RETAINING WALL INSTALLATION IN PORTLAND, OREGON
Serving Portland Since 1987 | 285+ Five-Star Reviews Get Your Free Retaining Wall Quote!Retaining Wall Installation in Portland, Oregon
Portland properties face a combination of challenges that make retaining walls one of the most common landscaping investments across the metro area. Sloped lots, clay-heavy soil, and seasonal rainfall that averages over 43 inches per year create conditions where unmanaged slopes erode, drain poorly, and limit how much of the yard a homeowner can actually use. Retaining walls hold soil in place, redirect water flow, and convert steep grades into level, functional outdoor space.
Monaghan’s Landscaping has been building retaining walls throughout Multnomah, Clackamas, and Washington Counties since 1987. Every project starts with an on-site evaluation of your slope, soil, drainage, and access, because the right wall design depends entirely on what your specific property needs.
If you’re considering a retaining wall, call (503) 847-9110 to schedule a free consultation, or request a free quote online.
Retaining Walls as a Sloping Yard Solution
In nearby cities like West Linn and Lake Oswego, hillside properties frequently require retaining walls to stabilize slopes and create room for patios, garden beds, or lawn areas.
In Happy Valley and Damascus, elevation changes between neighboring lots make retaining walls a practical necessity for both drainage control and usable yard space.
Before construction begins, we evaluate the slope grade, soil composition, and drainage patterns on your property. We also verify that the wall design meets local building codes and coordinate utility locates to check for buried lines.
For walls over 4 feet, we’ll arrange engineering drawings and handle the permit process through the Bureau of Development Services.
Retaining Wall Aesthetics
Retaining walls aren’t just structural. A well-designed wall adds definition and curb appeal to your landscape. Many homeowners integrate patios, built-in seating, steps, or tiered planting beds into the wall design, creating both functional space and architectural interest.
We work with a range of materials suited to Portland’s climate, including concrete block systems, natural stone, limestone, and boulder walls. Each material offers a different look and performance profile, and the best choice depends on your property’s conditions, the wall’s structural requirements, and your design goals.
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Our Retaining Wall Installation Process
Every retaining wall project follows a structured process designed to get the wall right the first time. Here's what to expect when you work with Monaghan's.
Call (503) 847-9110 or fill out our short quote request form. We'll schedule a convenient time to visit your property and assess the project.
We'll visit your property to evaluate the slope, soil conditions, drainage patterns, and equipment access. This is where we determine what type of wall your property needs and identify any potential challenges before work begins.
You'll receive a detailed, written estimate covering materials, labor, drainage provisions, and any engineering or permit requirements. No surprises, no hidden costs.
For walls over 4 feet or walls supporting surcharge loads, we'll coordinate stamped engineering drawings and submit the permit application to the appropriate building department. We handle the paperwork so you don't have to.
We excavate to the required depth, establish proper drainage behind the wall with gravel backfill and perforated drain pipe, and compact the base to create a stable foundation.
The wall is built course by course with proper backfill at each level. For taller walls, we install geogrid reinforcement layers to ensure long-term structural stability.
We grade the surrounding area, complete all drainage tie-ins, and leave your property clean. We won't leave until we've earned your 5-star review.
Ready to get started? Call (503) 847-9110 or request your free quote today.
Types of Retaining Walls We Install
The right retaining wall material depends on your property’s slope, soil conditions, wall height, drainage requirements, and design preferences. Here’s an overview of the wall types we install most often across the Portland metro area.
Concrete Block Retaining Walls
Concrete block systems are the most popular choice for residential retaining walls in the Portland area. Interlocking segmental blocks are engineered specifically for retaining wall construction, providing strong structural performance without requiring mortar. They’re available in a wide range of colors, textures, and face profiles, making it easy to match the look of your existing landscape. Concrete block walls handle Portland’s wet climate well and are compatible with geogrid reinforcement for taller installations.
Natural Stone Retaining Walls
Natural stone walls offer a premium, custom look that blends well with the Pacific Northwest landscape. Basalt, granite, and locally sourced stone are common choices in the Portland metro. Stone walls typically cost more than block systems due to material and labor requirements, but they provide a distinctive appearance that’s difficult to replicate with manufactured products. Proper drainage behind a natural stone wall is especially important, as the joints between stones need to handle water movement without undermining the wall’s stability.
Boulder Retaining Walls
Boulder walls use large natural rocks stacked or placed to retain soil, and they’re a common solution on properties with a more natural or rustic landscape style. They work well for shorter walls and terraced applications where the goal is to blend the wall into the surrounding terrain rather than create a formal, finished appearance. Boulder walls require careful placement and properly prepared bases, especially in Portland’s clay-heavy soil where settling is a concern.
Poured Concrete Retaining Walls
Poured concrete is typically used for structural retaining walls that need to support significant soil pressure or surcharge loads like driveways and structures. This type of wall requires formwork, steel reinforcement, and engineered design. It’s less common for standard residential landscaping, but it’s the right choice when maximum structural performance is required. Poured concrete walls in Portland almost always require engineering drawings and city permits.
Timber Retaining Walls
Pressure-treated timber walls are one of the more affordable options for smaller landscape walls, garden terraces, and planter beds. They’re straightforward to install and work well for walls under 3 feet. However, timber has a shorter lifespan than stone or concrete in Portland’s wet climate. Moisture exposure and soil contact accelerate deterioration over time, so we typically recommend timber only for applications where long-term durability isn’t the primary concern.
Choosing the Right Wall Type
You don’t need to decide on a wall type before contacting us. During the on-site consultation, we’ll evaluate your property and recommend the wall system that fits your slope, soil, budget, and design goals. If you’d like to research options ahead of time, our Retaining Wall Planning Guide covers materials, design considerations, and what to expect during the installation process.
Retaining Walls in Portland: What You Need to Know
Portland’s geography and climate create specific conditions that affect how retaining walls need to be designed and built. Understanding these factors helps you make better decisions about your project.
Soil and Drainage Conditions
Most properties in the Portland metro sit on clay-heavy soil that retains moisture and drains slowly. During the rainy season, which typically runs from October through May, this soil becomes saturated and expands, putting increased lateral pressure on retaining walls. Proper drainage behind the wall isn’t optional here: it’s the single most important factor in whether a wall lasts 5 years or 50. Every retaining wall we build includes gravel backfill and perforated drain pipe to manage water pressure and protect the wall’s structural integrity.
Permits and Building Codes
In the City of Portland, retaining walls over 4 feet in height require a building permit through the Bureau of Development Services. Walls over 4 feet also typically require stamped engineering drawings from a licensed structural engineer. If you’re outside Portland city limits, permit requirements vary by jurisdiction. Clackamas County, Washington County, and individual cities like Lake Oswego, West Linn, and Happy Valley each have their own permitting processes. We handle permit applications as part of our installation service regardless of which jurisdiction your property falls under.
Seasonal Timing
The best time for retaining wall installation in the Portland area is typically late spring through early fall, when the soil is drier and easier to excavate. That said, we build walls year-round. Winter projects are possible but may require additional site preparation to manage wet conditions. If you’re planning a spring or summer project, scheduling your consultation in the winter months helps ensure you’re in the queue when the building season starts.
Retaining Wall Cost in Portland, Oregon
Retaining wall installation in the Portland metro area typically costs between $3,500 and $25,000+, depending on wall height, materials, drainage requirements, site access, and whether engineering or permits are needed. Smaller garden and landscape walls generally fall on the lower end, while taller structural walls designed to stabilize steep slopes or support surcharge loads cost significantly more.
Several factors specific to Portland properties affect project pricing. Clay-heavy soil often requires more extensive drainage provisions. Tight backyard access in older neighborhoods like Sellwood or Laurelhurst can increase labor costs when materials need to be moved by hand rather than machine. Properties with steep grades may need additional excavation and engineered geogrid reinforcement. And walls over 4 feet add the cost of engineering drawings and city permits.
For a more detailed breakdown of pricing by wall type, height, and material, see our Retaining Wall Cost Guide for Portland Homeowners. You can also review the key factors that affect retaining wall cost to understand what drives the estimate for your specific property.
Pricing ranges last verified: 2026.
Landscaping Contractor Services
Retaining Wall Installation
Create functional outdoor spaces while preventing soil erosion with professionally designed retaining walls. Whether you need to level a sloped yard, build terraced garden beds, or add structural support, retaining walls combine durability with attractive landscaping that increases your property value.
New Sod Lawn Installation
Transform your yard with instant, lush green grass that's ready to enjoy immediately. Professional sod installation provides a thick, weed-free lawn that establishes faster than seeding, perfect for busy homeowners who want immediate results and enhanced curb appeal.
Automatic Sprinkler System Installation
Maintain a healthy, vibrant landscape with an automated sprinkler system that delivers consistent coverage across your entire lawn and garden. Professional installation ensures proper zone coverage, efficient water distribution, and programmable scheduling that keeps your yard green while reducing water bills and eliminating the hassle of manual watering.
Artificial Turf Installation
Enjoy a perfect green lawn year-round without mowing, watering, or maintenance hassles with professional artificial turf installation. Modern synthetic grass looks incredibly realistic while saving thousands of gallons of water annually, staying lush through Texas heat and drought, and providing a clean, mud-free surface that's ideal for pets, play areas, and high-traffic zones.
Paver Installation
Upgrade your outdoor spaces with professionally installed paver patios, walkways, and driveways that combine long-lasting durability with custom design. Precision base preparation and expert installation create a smooth, even surface that resists shifting and cracking while adding high-end curb appeal and a polished, finished look to your property.
Areas We Serve
Don't See Your Area? Give us a call, we probably serve your area too! Call (503) 847-9110
Retaining Wall BBQ?
If you enjoy outdoor grilling your retaining wall can be put to good use. Consider building one that helps define an outdoor kitchen space. A barbecue grill, outdoor storage, and other accessories are then fit snugly into the wall.
You may also use it to define the patio space your outdoor kitchen rests on. This creative use of a retaining wall creates the illusion of separation and helps to outline an outdoor eating, cooking, and dining area.
Retaining Wall Garden Wall
Retaining walls can also be built to create a two-tiered garden effect. This gives the illusion of a larger yard than you actually have. It can also help in terms of drainage and erosion control.
Some interesting options to consider include integrating a garden pond into the wall design. The wall can be used to outline the perimeter of the pond. It can also be designed to contain shelving nooks, where low-maintenance plants like Tillandsia can live.
Types Of Retaining Walls
There are many types of retaining walls. These include freestanding, concrete, stacking, brick, wood, and flagstone.
It’s important for us to access your individual needs and yard structure before determining what type of retaining wall we’d recommend for your particular installation.
- Are you planning on building a retaining wall soon or in the future?
- Are you concerned about the condition of an existing wall?
Give us a call today! Let’s talk.
We’re more than happy to consult with you on your project as well as provide a free quote.
Frequently Asked Questions
Q: What does retaining wall installation involve in Portland, Oregon?
A: Retaining wall installation in Portland, Oregon, involves assessing soil conditions, designing for proper drainage, excavating the site, and constructing walls using materials like concrete blocks or natural stone to prevent erosion on sloped properties. With over 37 years of experience serving Portland homeowners, Monaghan’s Landscaping employs licensed specialists who adhere to local building codes and use professional-grade equipment for precise leveling and backfilling. As a fully insured, family-owned business with a BBB A+ rating and hundreds of 5-star reviews, we provide a comprehensive warranty, ensuring stability against Portland’s wet climate. Our transparent process includes free consultations to tailor solutions, building trust through proven results in the Portland Metro, Beaverton, and Lake Oswego areas.
Q: How much does a retaining wall cost in Portland, Oregon?
A: Retaining wall cost in Portland, Oregon, typically ranges from $40 to $150 per square foot, depending on height, materials like segmental blocks or poured concrete, and site complexity such as soil type or accessibility. Overall this can range from $3,500 to $25,000+. Monaghan’s Landscaping, with more than three decades of expertise in the Portland metro area, offers transparent, no-obligation estimates after on-site evaluations. Our licensed teams use high-quality, locally sourced materials and advanced engineering techniques to optimize value. Backed by a 100% satisfaction guarantee and positive testimonials from Portland Metro and Lake Oswego residents, we prioritize affordability without compromising durability. Fully bonded and insured, we’ve completed thousands of projects, delivering long-term savings through superior craftsmanship tailored to Oregon’s seismic and rainy conditions.
Q: What materials are best for retaining walls?
A: In Portland, the best retaining wall materials include concrete segmental blocks, natural stone, and timber, chosen for their durability against heavy rainfall and clay soils. Monaghan’s recommends permeable concrete blocks for superior drainage and earthquake resistance, complying with local regulations. Our certified installers, trained in industry best practices, have successfully installed these in hillside properties across the Portland Metro, Tigard and West Linn areas. As a trusted, locally owned company with awards for excellence and glowing customer reviews, we offer a comprehensive warranty on select materials. Our fully insured professionals ensure safety and precision, drawing from hands-on experience with Portland’s unique terrain.
Q: Do I need a permit for a retaining wall in Portland?
A: Yes, in Portland, permits are required for retaining walls over 4 feet tall or those supporting surcharges like driveways, per city building codes. We handle all permitting seamlessly as part of our full-service process. Our licensed techniciaqns prepare detailed plans and submit applications, ensuring compliance with seismic standards. Fully bonded and insured, we’ve navigated hundreds of approvals for clients in local areas like Sellwood and Hillsboro, backed by 5-star reviews and a comprehensive guarantee. This expertise saves you time and avoids fines, reflecting our commitment to transparent, reliable service for your project.
Q: How long does retaining wall installation take?
A: Retaining wall installation typically takes 3-10 days, based on wall length, height, and site prep needs like excavation in rocky soils. We deploy efficient crews with professional compaction tools to complete projects swiftly without rushing quality. We’ve finished 100-foot walls in Milwaukie in under a week, as praised in our customer testimonials. As BBB-accredited pros with full insurance, we provide a comprehensive warranty and clear timelines upfront. Our family-operated business prioritizes your schedule, using weather-resistant techniques suited to Oregon’s climate for lasting results.
Q: Can Monaghan’s Landscaping handle sloped yards?
A: Yes, we excel at transforming sloped yards into usable spaces with expertly engineered retaining walls. Our certified teams use geogrid reinforcement and proper drainage to prevent landslides. Serving areas like Southwest Portland and Clackamas, we’ve earned top reviews for durable installations that withstand heavy rains. We offer free site assessments and a workmanship warranty, positioning us as the local authority. Customers trust our transparent pricing and proven track record for safe, beautiful outcomes.
Q: What is the warranty on retaining walls by Monaghan’s?
A: Monaghan’s Landscaping provides a robust workmanship warranty on all retaining walls installations, plus manufacturer warranties on materials. Drawing from over 37 years serving Portland families, we’ve refined our process to ensure longevity against local wet weather and soil shifts. Our licensed specialists use premium blocks and backfill techniques, as evidenced by 5-star Google reviews from Beaverton clients. We stand by our quality with satisfaction guarantees and free follow-ups. This commitment builds trust, making us the preferred choice for reliable, worry-free installations.
Q: Are retaining walls necessary for my Portland property?
A: Retaining walls are often necessary on Portland properties with slopes greater than 3:1 to manage erosion, create level areas, and protect foundations from runoff. We have 37+ years of expertise in Portland’s variable terrain and conducts free assessments to determine needs. Our certified professionals have stabilized hundreds of yards in East Portland, using code-compliant designs praised in testimonials. We offer transparent advice and a comprehensive warranty, ensuring cost-effective solutions. Trust our authoritative guidance honed from real-world projects for safer, more enjoyable outdoor spaces.
Q: How do I maintain a retaining wall?
A: Maintaining a retaining wall involves annual inspections for cracks, clearing drainage weep holes, and controlling weeds to prevent water buildup. We offer maintenance plans with our licensed teams using specialized tools. We’ve extended wall lifespans for Lake Oswego clients, earning rave reviews. As BBB-accredited and fully insured, our service includes a satisfaction guarantee and tips on local climate challenges. This proactive approach, backed by our family-operated reliability, keeps your investment strong and beautiful year-round.
Q: What are signs my retaining wall needs repair?
A: Signs your retaining wall needs repair include bulging, leaning, cracks wider than 1/4 inch, or poor drainage causing erosion. We’ve restored failing walls in Tualatin using helical ties and drainage corrections. Our certified, insured crews provide prompt diagnostics, supported by 5-star testimonials. Offering a comprehensive warranty on repairs and transparent quotes, we’re the trusted local authority. Hands-on experience with Oregon’s soils ensures precise, durable fixes that prevent costly failures.
Q: Does Monaghan’s offer free estimates for retaining walls?
A: Yes, Monaghan’s Landscaping provides free, detailed estimates for retaining wall projects throughout the Portland Metro Area in throughout all Of Multnomah County, Clackamas County, and Washington County. Our licensed experts visit your site to measure and design custom solutions suited to local conditions. Clients in Cedar Hills appreciate our no-pressure approach, reflected in top reviews. Fully bonded, insured, and BBB A+ rated, we emphasize transparency to build trust. This service, paired with our satisfaction guarantee, positions us as Portland’s reliable choice for high-quality, affordable installations.
Q: What heights require engineering for retaining walls?
A: In Portland, retaining walls over 4 feet require engineering stamps per building codes to account for soil pressure and seismic risks. We collaborate with structural engineers for compliant designs. We’ve engineered dozens of tall walls in West Linn, earning awards for safety. Our licensed, insured teams deliver turnkey services with a comprehensive warranty and stellar reviews. This expertise ensures your project meets standards, providing peace of mind in Oregon’s challenging environment.
Q: Can retaining walls increase property value?
A: Yes, well-designed retaining walls can boost property values by 10-20% by maximizing usable yard space and enhancing curb appeal. Monaghan’s has seen this impact in resale testimonials from Happy Valley homes, among others. Our certified installers create functional landscapes using premium materials, backed by BBB accreditation and full insurance. With a satisfaction guarantee, we blend expertise and aesthetics to deliver ROI-focused results trusted by local realtors.
Q: How does drainage work with retaining walls?
A: Proper drainage for Portland retaining walls uses gravel backfill, perforated pipes, and weep holes to redirect water, preventing hydrostatic pressure failures. We integrate French drains tailored to rainy climates, as proven in Gresham projects with perfect reviews. Our licensed professionals follow best practices, fully insured for safety. Offering a comprehensive warranty, we’re Portland’s authoritative source for walls that endure seasonal downpours reliably.
Q: Is Monaghan’s Landscaping licensed for retaining walls in Portland, Oregon?
A: Yes, we’re fully licensed, bonded, and insured for retaining wall installations in Oregon (LCB# 7419). With over three decades of service, our licensed technicians excel in complex projects, from permits to finishes. We stay current with Oregon codes and use pro-grade tools, earning BBB A+ status. This trustworthiness, plus our satisfaction guarantee, makes us the go-to for safe, expert work in Portland’s diverse neighborhoods.
Q: What is the process for installing a block retaining wall?
A: Installing a block retaining wall starts with excavation, base compaction, then laying interlocking blocks with geogrid for stability. We execute this flawlessly using laser levels, as seen in Tigard successes with top testimonials. We include drainage and a comprehensive warranty. Our family business’s transparent steps build confidence for durable, code-compliant results.
Q: Do you serve Beaverton for retaining wall installation in the Portland, Oregon area?
A: Yes, Monaghan’s Landscaping proudly serves Beaverton and the greater Portland Metro area with top-tier retaining wall installations. Over 37 years, we’ve transformed local slopes, earning 5-star reviews for expertise in clay soils. Licensed, bonded crews use advanced techniques and offer free estimates with satisfaction guarantees. As BBB-accredited locals, our reliable service ensures beautiful, stable landscapes for Beaverton homeowners.
Q: How do I choose a retaining wall contractor?
A: Choose a retaining wall contractor with proven experience, licenses, insurance, and strong reviews, like Monaghan’s Landscaping, serving Oregon for 37+ years. We provide engineered designs, warranties, and transparent pricing, distinguished by awards and testimonials. Fully certified for local codes, our hands-on pros deliver excellence, building trust as Portland’s authority in safe, lasting installations.
Q: What are common retaining wall failures?
A: Common retaining wall failures stem from poor drainage, inadequate footings, or ignoring seismic loads, leading to collapses. We counter this with over 37 years of expertise installing reinforced systems praised in reviews. Licensed and insured, we offer repairs with comprehensive warranties, positioning us as the trusted fix for Portland’s wet, shaky conditions.
Q: Can I plant in front of my retaining wall?
A: Yes, plant shallow-rooted species like groundcovers in front of retaining walls to avoid root damage. We recommend natives and integrate planters in designs, per client testimonials. Certified landscapers ensure compatibility, backed by insurance and warranties for harmonious, low-maintenance beauty.
Q: Does Monaghan’s offer design services for retaining walls?
A: Monaghan’s Landscaping offers comprehensive design services for retaining walls, blending functionality and aesthetics. Over 37+ years, our experts create 3D plans suited to local terrains, earning awards and reviews. Licensed with satisfaction guarantees, we turn visions into durable realities for your properties.
Q: How tall can retaining walls be without permits in Portland?
A: In Portland, retaining walls up to 4 feet tall generally don’t need permits if not near structures. Monaghan’s has handled all sizes expertly over 37+ years, advising on codes with licensed precision. Insured with warranties and top reviews, we’re your guide for compliant, stunning walls.
Q: What backfill is used for retaining walls?
A: Retaining walls use clean gravel backfill for optimal drainage, preventing water pressure. We specify 3/4-inch rock per standards, as in successful Clackamas projects. Certified teams ensure longevity with insurance and comprehensive warranties, trusted locally.
Q: Are there eco-friendly retaining wall options?
A: Eco-friendly options include permeable blocks and recycled materials for sustainable retaining walls. We pioneer these with 37+ years experience, integrating bioswales per green reviews. Licensed for LEED projects, insured with guarantees, we lead in environmentally sound designs.
Q: How soon can you start a retaining wall project?
A: We can often start retaining wall projects within 1-2 weeks, based on availability. With 37+ years efficiency, we prioritize urgent jobs, delighting clients with quick, quality work and reviews. Licensed, insured, with warranties, our streamlined process ensures timely excellence.
Q: What insurance does Monaghan’s have for local projects?
A: Monaghan’s carries full general liability, workers’ comp, and bonding insurance for all jobs. Over 37+ years, this protects clients, as affirmed in testimonials. Licensed experts deliver worry-free service with BBB status and warranties, embodying trustworthiness.
Q: Can retaining walls fix erosion my yard?
A: Retaining walls effectively fix erosion in yards by stabilizing soil on slopes. We design targeted solutions, praised in reviews for Hillsboro fixes. Certified with comprehensive warranties and insurance, we provide proven, lasting protection.
Q: Do you install tiered retaining walls?
A: Yes, we install stunning tiered retaining walls creating terraced landscapes. With decades of experience, our licensed teams engineer multi-level designs per codes, earning top marks. Insured with guarantees, we’re experts in maximizing space beautifully.
Q: What is the best time for retaining wall installation in the Portland area?
A: The best time for retaining wall installation in Portland, is spring or fall to avoid wet winters. However, this doesn’t mean it’s impossible in the winter. Give us a call to talk about your specific neighborhood. We time projects to ensure firm bases as per reviews. Licensed professionals with insurance and warranties deliver peak performance seasonally.
Q: How does Monaghan’s handle permits?
A: We manage all Portland permits efficiently, from submission to approval. We have over 37+ years of navigating city processes for clients, backed by licenses and reviews. Insured with satisfaction guarantees, we simplify compliance for seamless projects.
Q: What do customer reviews say about Monaghan’s Landscaping?
A: Customers rave about Monaghan’s, with 5-star reviews praising punctuality, quality, and communication. Over the last 37+ years, thousands laud our retaining walls’ durability. BBB A+ and insured, we earn trust through excellence.
Q: Can you match existing walls for properties?
A: Yes, we match existing walls seamlessly using precise material sourcing. 37+ years of matching expertise delights clients per reviews. Licensed, insured with warranties, we ensure cohesive, professional enhancements.
Q: Do retaining walls need footings?
A: Yes, Portland retaining walls require concrete footings for stability per codes. Monaghan’s certified specialists pour them expertly over 37+ years, as in reviewed projects. Insured with comprehensaive warranties, we guarantee solid foundations.
Q: How do I contact Monaghan’s for retaining wall construction and installation?
A: Contact Monaghan’s Landscaping for Portland Metro Area retaining walls via phone or online form for prompt response. We offer over 37 years of accessible service, free estimates, and top reviews. Licensed and insured, we’re ready to assist you!
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Q: What safety measures are there for retaining wall work?
A: Monaghan’s employs OSHA-compliant safety measures for retaining wall work, including shoring and PPE. 37+ years prioritizing safety, zero incidents per records and reviews. Fully insured, licensed, we protect teams and properties.
Q: Does Monaghan’s do emergency retaining wall repairs?
A: Yes, Monaghan’s Landscaping offers emergency retaining wall repairs, responding quickly to failures. Experienced over 37 years with rapid fixes, praised in urgent testimonials. Insured, licensed with warranties, we’re dependable in a crisis.
Q: Are natural stone walls popular in the Portland Metro area?
A: Natural stone walls are highly popular in Portland for their rustic appeal and durability. Monaghan’s has installed them expertly over 37+ years, blending with local aesthetics per reviews. Certified, insured with guarantees, we craft timeless features.
Q: How deep are excavations for retaining walls?
A: Excavations for Portland retaining walls are typically 12-24 inches deep for footings, per height. Our professionals dig precisely with 37+ years experience, ensuring stability as reviewed. Licensed, insured with warranties for flawless bases.
Q: Can walls support patios?
A: Yes, engineered retaining walls by Monaghan’s safely support patios. We have 37+ years of experience designing surcharge-capable structures, top-rated for usability. Licensed and insured with comprehensive warranties, we create functional outdoor living.
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