Edmonds · Snohomish County
Retaining Wall Contractor in Edmonds, WA
Block and rock retaining walls in Edmonds, built on a compacted base with drainage behind them, from garden walls to walls that turn a slope into usable yard. The downtown "bowl" faces Puget Sound, and the land climbs steeply east to Five Corners and Westgate.
Building walls on Edmonds ground
The downtown "bowl" faces Puget Sound, and the land climbs steeply east to Five Corners and Westgate. North toward Meadowdale and south toward Woodway the shoreline is high bluff with mapped landslide hazard areas. That is where retaining walls earn their place in Edmonds: leveling yards, widening driveways and holding back cut slopes for pads and patios.
Glacial till and outwash sands over much of the city, with layered silts and clays in the bluffs that become unstable when saturated. What is under the wall decides how much base prep it needs, and poor or soft soil is replaced with compacted crushed rock before the first course goes down.
Puget Sound shoreline, Shell Creek, Perrinville Creek and the Lake Ballinger edge all carry critical-area or shoreline rules. Drainage on the slopes is a big deal here, because water in the wrong place moves hillsides. Water is the number one cause of wall failure here, so every wall gets drain rock and a drain pipe behind it.
Common retaining walls projects in Edmonds
Terracing sloped yards
Block and rock walls that turn sloped Edmonds yards into level, usable space.
Driveway and parking walls
Walls that widen or support driveways and parking pads on Downtown Edmonds and the Bowl lots.
Replacing failing walls
Leaning timber, block and rock walls in Edmonds removed and rebuilt with a proper base and drainage.
Garden and patio walls
Shorter block walls around Edmonds patios, beds and steps.
What our retaining walls work in Edmonds covers
- Block Retaining Walls
- Rock & Boulder Walls
- Wall Drainage
- Excavation & Base Prep
- Backfill & Compaction
- Old Wall Removal
Permits & Rules
Retaining wall permits in Edmonds
Walls taller than about four feet, or walls supporting a driveway, building or slope, typically need an engineered design and a permit from the City of Edmonds. Outside city limits, Snohomish County Planning and Development Services (PDS) handles it.
On mapped steep slopes or landslide hazard areas, a geotechnical review is often required as well. We build to the approved plan.
Cost & Timing
What affects the cost of retaining walls in Edmonds
We do not publish flat prices because no two Edmonds sites are the same. These are the things that move the number most here.
Slope and access
Steep Edmonds lots take smaller machines, more careful staging and sometimes engineering, which adds time compared with flat, open ground.
Tight lots
Narrow side yards and alley access in Edmonds mean compact equipment and shorter truck loads. We plan it so it costs less than it could.
Soft ground
Where Edmonds soils are soft or wet, over-excavation, fabric and imported rock are often part of the job, and we price that in up front.
Buffers and permits
Work near Edmonds's rivers, creeks, lakes or shoreline can need permits and limits on where machines go. That affects scope and schedule more than price.
Haul-off and disposal
How much material leaves the site, and what it is, drives cost. Our own trucks keep that predictable on Edmonds jobs.
When to schedule retaining walls in Edmonds
Retaining Walls in Edmonds goes best in the drier months, when soil compacts properly and trenches stay open. Wet-season work is doable with erosion control and the right material, and we plan for it in the quote.
Edmonds's till soils hold water through the winter, which is when drainage problems show up. That is a good time to see where water goes, and the dry season is the time to fix it.
Where We Work
Retaining walls across Edmonds
Edmonds is a waterfront city with a ferry dock, a walkable downtown and a lot of view property. Much of the work here is on steep or tight lots, where access, slope stability and the neighbors' view all matter as much as the digging.
We build block and rock walls across Downtown Edmonds, the Bowl, Five Corners, Westgate, Perrinville, Seaview, Firdale and Meadowdale. Everything from 1920s bungalows near downtown to mid-century view homes and new construction replacing them. Teardowns and driveway replacements on steep lots are typical Edmonds work.
Excavated soil is reused behind the wall where it suits, and the rest leaves on our own trucks via SR 104 and SR 524 (196th St SW).
We also do retaining walls nearby in Mountlake Terrace, Lynnwood, Shoreline and Brier. See everything we do in Edmonds, read our full guide to retaining walls, or browse all service areas.
Why DirtRaptor
Why Edmonds owners call us for retaining walls
Owner on the machine
On Edmonds jobs you talk to the person who walks the site, writes the quote and runs the equipment.
Trees and dirt, one crew
If trees are in the way of your Edmonds project, we take them down ourselves instead of waiting on a separate tree service.
Our own trucks
Haul-off and deliveries run on our schedule along SR 104 and SR 524 (196th St SW), not a subcontractor's.
Built for slopes
We plan machine placement, drainage and erosion control for Edmonds's sloped ground before we start.
How a retaining walls job runs
- 01
Plan & Permit
- 02
Excavate & Build the Base
- 03
Build With Drainage
- 04
Backfill & Finish Grade
Real Jobs
Recent DirtRaptor work in Edmonds
Demolition · Edmonds, WA
Driveway Removal & Concrete Prep
Tearing out an old blacktop driveway and prepping the ground for a new concrete pour — broken material hauled off, base left clean and ready.
Demolition · Everett, WA
Condemned 100-Year-Old Shed Teardown
A 100-year-old shed, condemned and unsafe, brought down and hauled off — the site left graded flat and clean.
Questions
Retaining Wall Contractor in Edmonds: FAQs
Do I need a permit for a retaining wall in Edmonds?
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Walls over about four feet, or walls holding up a driveway or slope, usually need engineering and a permit from the City of Edmonds. Shorter landscape walls usually do not.
What kind of walls work best in Edmonds?
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Block walls suit yards, patios and driveways; rock and boulder walls suit wooded and rural properties. Either way, the base and drainage matter more than the face.
Why do retaining walls fail?
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Most fail from water pressure behind the wall or a base that settles. Puget Sound shoreline, Shell Creek, Perrinville Creek and the Lake Ballinger edge all carry critical-area or shoreline rules. Drainage and a compacted base prevent both.
How much does retaining walls cost in Edmonds?
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It depends on the site, so we quote after a free site walk rather than guessing on the phone. The biggest drivers in Edmonds are usually slope and access, tight lots, soft ground. You get a written number with inclusions and exclusions spelled out.
When is the best time to schedule retaining walls in Edmonds?
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Retaining Walls in Edmonds goes best in the drier months, when soil compacts properly and trenches stay open. Wet-season work is doable with erosion control and the right material, and we plan for it in the quote.
Can you work on a steep Edmonds lot?
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Yes. On steep ground we choose machines by footprint and weight, control water during the job, and avoid stockpiling soil at the top of a slope. If the lot is in a mapped landslide hazard area, a geotechnical report may be part of the permit.
How did you handle the Edmonds driveway job?
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We broke out the old asphalt with the excavator, loaded it straight onto our own trucks and hauled it off, then prepped the base for the new surface. One crew and one schedule from tear-out to clean ground.
How long does a retaining wall take to build?
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A typical residential wall takes a few days to a couple of weeks depending on length, height, access and whether engineering is involved. We give a realistic window with the quote.
Ready for a real number in Edmonds?
Send the address and a few photos. We walk the site for free and come back with a written quote.
