Gold Bar is a foothill town on the Skykomish. The river is the flood story, and the banks above it are rock and thin soil. Spring water comes down the cuts fast, and a lawn or a driveway that ignores that ends up as a channel. Foothill lots fail at the bank, not at the flower bed. The wall has to be heavy, drained, and founded on something that is not fill from the last slide.
Snohomish County · ZIP 98251 · 2020 population 1,918
The wall is holding the road cut
We dig to competent ground. Setting a wall on the soft stuff that already moved is how you build the next failure. Rock and engineered block both work when the base and the drain are right. The drain daylights to the side, not into the face where it stains and freezes.
Access for boulders is a real constraint on a narrow drive. If we cannot get the stone in, we do not promise stone. Block can be the honest material.
The ground in Gold Bar
Lots here are not the flat rectangles of Marysville. Driveways climb, yards step down toward the river or the highway, and the native ground is rocky enough that a shovel stops early. When the river runs high, low ground remembers it. We do not put a finished lawn or a bark bed in a spot that has carried water.
What works is straightforward: rock and retaining where the bank is moving, gravel on the steep drive, and a drain that has a real outlet instead of a hole filled with hope. Plantings stay rugged. A manicured hedge is a maintenance bill in a town that gets the mountain rain. Cleanup is often storm debris and alder coming in from the edge of the clearing.
How we do the work
A retaining wall is a structure. The part you see is the block, the boulder, or the timber. The part that keeps it standing is the base, the batter or the geogrid, and the drain rock behind it. We do not stack block on the sod and call it a wall.
Height decides everything. A low garden wall and a wall holding a drive are not the same detail, the same permit, or the same price. We measure the retained dirt, not the face you wish it were.
What we look at first
- Retained height, at the tallest point
- What is above the wall: a lawn, a drive, a house
- Water coming down the slope
- Access for block or for boulders
The base
Compacted rock, buried enough that the first course is not sitting in the organic layer. A wall is not a stack. If the base is soft, we dig out and replace it. There is no fabric or foam that fixes a bad base.
Block, rock, or timber
Engineered block is predictable and what we use when the height or the permit wants an engineered system. Boulders fit the foothills and the older yards. Timber is a short-life choice in the wet, and we will say how many years you are buying.
Drainage is part of the wall
Rock behind the face, a pipe at the heel, and an outlet you can see. Weep holes alone, stuffed with the native clay, are not a drain. This is the step that gets skipped on walls that lean.
More from this crew
- Retaining walls across Snohomish County
- Rock walls in Gold Bar
- French drain installation in Gold Bar
- Hardscaping in Gold Bar
- Patio installation in Gold Bar
- Retaining walls in Sultan
- Retaining walls in Index
- Retaining walls in Monroe
Sources for the climate and the water
- USDA plant hardiness map for choosing plants that can take a Snohomish County winter.
- EPA WaterSense on watering less once a lawn or a new planting is established.
- EPA Soak Up the Rain on keeping roof and yard water from becoming someone else’s problem.
