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Top Yard Drainage & Grading in Beaverton, Oregon Ranked

A soggy lawn, a flooded patio, or water pooling against your foundation are more than just nuisances; they are signs of a drainage problem that can threaten your home's structural integrity and create unhealthy conditions in your yard. Proper yard drainage and grading are essential services for managing the Pacific Northwest's abundant rainfall, directing water away from your home and into the soil or designated storm systems. This guide will help you understand the common solutions-from simple grading to complex French drain systems-and how to find qualified local professionals to assess your property and implement an effective water management plan.

HD Landscape and Maintenance

HD Landscape and Maintenance

portland

HD Landscape and Maintenance is a landscaping and maintenance company serving Portland, OR, and the surrounding metropolitan area. They offer a wide range of services including lawn care, sod and artificial turf installation, fence installation, landscape lighting, landscape design, tree services, yard drainage, hardscaping, and seasonal maintenance. Their work covers residential and commercial properties across Multnomah, Washington, and Clackamas counties. The company emphasizes sustainable landscaping practices using native plants and eco-friendly materials. They are fully licensed and insured, with experience handling projects from initial design to completion, including specialized capabilities like storm damage restoration and smart drainage systems.

5.0
263 Reviews
Simple Lawns Landscape Design

Simple Lawns Landscape Design

9707 NE 54th St #C, Vancouver, WA 98662

Simple Lawns Landscape Design is a family-owned landscaping and lawn care company serving Portland, OR. They provide a full range of services including lawn mowing, fertilization, weed control, landscape design, yard drainage, sprinkler installation and repair, and hardscaping such as pavers and retaining walls. With over 20 years of experience, they focus on durable outdoor solutions backed by a 5-year warranty on hardscaping. Their team includes trained installers who stay current with landscaping techniques to ensure quality results.

4.9
338 Reviews
Lawn & Irrigation Technologies NW

Lawn & Irrigation Technologies NW

2900 SE Cornelius Pass Rd Ste 336, Hillsboro, OR 97123

Lawn & Irrigation Technologies NW is a landscaping and irrigation contractor based in Portland, OR, serving the Washington County area for over 30 years. They offer a wide range of services including irrigation system installation and repair, sod installation, landscape lighting, paver installation, yard drainage solutions, and lawn fertilization. Their team is known for using water-efficient irrigation products and providing NDS-certified drainage solutions to enhance outdoor spaces while promoting environmental stewardship.

4.9
164 Reviews
Danshap Landscaping and Excavation inc.

Danshap Landscaping and Excavation inc.

7800 NE 103rd Ave, Vancouver, WA 98662

Danshap Landscaping and Excavation Inc. is a licensed, bonded, and insured landscaping company serving Portland, OR, and the surrounding areas. They offer a wide range of services including sod installation, landscape design, tree removal, stump grinding, yard drainage, grading, land clearing, brush removal, and general lawn care. The company is equipped to handle both residential and commercial projects, with capabilities such as grading and re-sloping yards to improve drainage and appearance. Danshap Landscaping is locally owned and operated, with a strong focus on customer satisfaction and quality workmanship.

5.0
68 Reviews
Wyeast Gardens, LLC

Wyeast Gardens, LLC

23202 SE Hoffmeister Rd, Damascus, OR 97089

Wyeast Gardens, LLC is a full-service landscaping company based in Portland, OR, offering landscape design, irrigation installation and repair, yard drainage solutions, and hardscaping services. Serving commercial, residential, industrial, and governmental clients, they specialize in efficient irrigation systems and sustainable water management to enhance outdoor spaces. Established in 1994, Wyeast Gardens brings over 25 years of experience, including work with national cemeteries and VA hospitals, and provides skilled masonry and landscape construction services.

5.0
65 Reviews
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Why Beaverton Homes Need Professional Drainage Solutions

Beaverton's climate, with its wet winters and periodic heavy rains, makes effective water management a priority for every homeowner. The city's soil often contains heavy clay, which absorbs water slowly and can lead to prolonged surface pooling and subsurface saturation 1 2. Without proper drainage, this water seeks the path of least resistance, which is often towards your home's foundation. Over time, hydrostatic pressure and moisture infiltration can cause cracks, mold, and costly damage. Furthermore, the City of Beaverton emphasizes preventing polluted runoff from entering the municipal stormwater system, making responsible on-site water management both a private and a community benefit 3 4 5. A well-designed drainage plan protects your investment, enhances your landscape's usability, and contributes to cleaner local waterways.

Common Yard Drainage Problems and Signs

How do you know if you need drainage work? Look for these telltale signs around your Beaverton property:

  • Standing Water: Puddles that remain for more than 24 hours after rain, especially in low spots of your lawn or near downspouts.
  • Soil Erosion: Gullies or washed-away soil in planting beds or on slopes, indicating uncontrolled water flow.
  • Soggy Lawn: A consistently spongy, muddy lawn that you can't use without getting your feet wet.
  • Water in the Basement or Crawl Space: The most serious sign, indicating that groundwater is pressing against or entering your foundation.
  • Foundation Cracks: New or widening cracks in your home's concrete foundation or basement walls.
  • Rotting Fences or Siding: Persistent moisture against wood structures leads to decay.

Identifying these issues early is the first step toward a solution. A professional can diagnose whether the problem is due to surface runoff, subsurface water, poor soil composition, or improper grading.

Core Drainage and Grading Techniques

Professional landscapers and drainage contractors in Beaverton utilize a toolbox of techniques to solve water problems. The right solution depends on your specific site conditions, budget, and landscape goals.

Regrading and Swales

The most fundamental solution is ensuring your yard slopes correctly. Regrading involves moving soil to create a minimum 2% slope away from your home's foundation, directing water toward a street, drainage ditch, or a safe infiltration area 1 6. For broader areas, swales-gentle, shallow channels lined with grass or rock-can be constructed to guide surface runoff across your property without causing erosion 6 7. This is often the first line of defense against foundation water issues.

French Drains and Dry Wells

For subsurface water or water collecting in a specific low area, a French drain is a common remedy. This involves digging a trench, laying a perforated pipe wrapped in filter fabric, and filling it with gravel. The system collects water from the saturated soil and redirects it to a safer outlet 1 8 9. The outlet is often a dry well-an underground chamber filled with gravel that stores water and allows it to percolate slowly into the surrounding soil 1 10. These are excellent for dealing with heavy, clay-based soils common in the region.

Rain Gardens and Soil Amendment

Rain gardens are a beautiful and eco-functional solution. They are shallow depressions planted with native, water-tolerant plants that collect runoff from roofs, driveways, or lawns. The garden holds the water temporarily, allowing it to soak into the ground while plants filter out pollutants 6 2 7. Complementing this, soil amendment involves mixing compost, sand, or other materials into heavy clay soil to dramatically improve its permeability and drainage capacity 6 2.

Downspout Management and Rain Barrels

A simple but highly effective step is managing roof runoff. Extending downspouts so they discharge at least 5-10 feet away from your foundation onto a lawn or into a rain garden is crucial 3. Connecting them to rain barrels or cisterns captures water for later garden use, reducing the volume of water your yard must handle during a storm 3 10.

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The Professional Drainage Project Process

Engaging a professional for landscape drainage work typically follows a structured process to ensure a lasting solution.

  1. Site Assessment and Diagnosis: A qualified contractor will inspect your property during or after a rain event if possible. They will identify problem areas, trace water flow paths, and assess your soil type. This step determines the root cause of the drainage issue.
  2. Design and Planning: Based on the assessment, the professional will design a customized solution. This plan may combine several techniques (e.g., regrading a slope to direct water into a new French drain that outlets to a dry well). For larger projects in Beaverton, you may need to check local codes or obtain permits, especially if work involves connecting to the city storm system or significant excavation 11 5.
  3. Installation: This is the construction phase, which may include excavation for trenches and basins, laying pipe, installing catch basins and pop-up emitters, moving soil for grading, building rain gardens, or amending soil across large areas 1 12.
  4. Final Testing and Maintenance: Once installed, the system should be tested with water to ensure proper flow. A good contractor will explain simple maintenance, like keeping drain grates clear of debris and occasionally flushing pipes, to keep the system functioning for years to come 8.

Understanding Costs for Drainage Work in Beaverton

The investment for drainage solutions varies widely based on the complexity, materials, and size of your property. Here's a general range for common projects in the Beaverton area:

  • Rain Barrel Installation: $100 - $300+ (often a DIY-friendly starting point) 1.
  • Soil Amendment (per truckload): $200 - $500+, depending on material and delivery 1.
  • Rain Garden Installation: $500 - $2,000+ for a small to medium garden, with cost varying based on plants and excavation 1.
  • French Drain Installation: $1,000 - $3,000+ per run, heavily dependent on length, depth, and site accessibility 1 9.
  • Dry Well Installation: $1,000 - $4,000+, based on size and complexity 1.
  • Professional Grading/Regrading: $1,000 - $5,000+ for significant landscaping work to reshape your yard's slope 1.

These are estimates, and actual quotes from Beaverton-area landscapers and drainage specialists will depend on your specific site conditions. It's wise to get multiple detailed estimates.

Choosing the Right Professional for Your Project

Not every landscaper specializes in complex water management. When looking for help with yard drainage, seek out professionals who:

  • Have specific experience and examples of drainage solution projects.
  • Understand local Beaverton codes and soil conditions.
  • Can explain the why behind their proposed plan, not just the what.
  • Offer a clear warranty on their workmanship.
  • Are licensed, bonded, and insured for excavation and landscaping work.

A well-executed drainage system is an investment that preserves your home's value, protects your foundation, and transforms a waterlogged yard into a usable, enjoyable outdoor space.

Frequently asked questions

Sources

Footnotes

  1. Professional Drainage Solutions Beaverton OR - https://www.olguinclandscaping.com/services/drainage-solution/ 2 3 4 5 6 7 8 9 10 11

  2. Stormwater Solutions - Oregon Environmental Council - https://www.oeconline.org/wp/wp-content/uploads/2014/11/Stormwater-Solutions-Report.pdf 2 3

  3. 10 Things You Can Do to Prevent Stormwater Runoff Pollution - https://www.farmington-ct.org/departments/engineering/stormwater/10-things-to-prevent-stormwater-pollution 2 3

  4. Stormwater runoff pollution and how to reduce it - King County, Washington - https://kingcounty.gov/en/dept/dnrp/nature-recreation/environment-ecology-conservation/stormwater-surface-water-management/stormwater-services/stormwater-runoff

  5. Stormwater System | Beaverton, OR - Official Website - https://www.beavertonoregon.gov/931/Stormwater-System 2

  6. Control Heavy Runoff - Solving Drainage and Erosion Problems - https://www.fairfaxcounty.gov/soil-water-conservation/drainage-problem-control-runoff 2 3 4

  7. Stormwater Best Management Practices - https://spcwater.org/topics/stormwater-management/stormwater-best-management-practices-2/ 2

  8. Portland Oregon Landscapers Talk Drainage Systems - https://www.landscapeeast.com/blog/portland-oregon-landscapers-talk-drainage-systems-by-alex-konopka-at-landscape-east-west-2014-01 2

  9. Keep Your Yard Dry with Expert Landscape Drainage Solutions - https://www.lewislandscape.com/drainage.html 2

  10. Urban Stormwater Runoff Capture and Management Resource ... - https://water.ca.gov/-/media/DWR-Website/Web-Pages/Programs/California-Water-Plan/Docs/RMS/2025/Urban-Stormwater-RMS---2025.pdf 2

  11. 9.05.135 Drainage requirements | Beaverton Code - https://beaverton.municipal.codes/BC/9.05.135

  12. Creative Landscape Drainage Solutions In Oregon City OR - https://www.whiteoaknw.com/landscape-drainage-solutions/