Retaining Wall Construction

What This Service Involves

Sloped and terraced properties are common across Western Washington, and a well-built retaining wall turns unstable grade into usable yard while controlling erosion. We start with proper footings, drainage, and backfill so the wall handles saturated soil and seismic movement rather than failing under it. Materials range from block to stone to concrete, chosen for your load, height, and desired look. Walls over four feet or holding surcharge loads get engineering and permits, which we manage from start to finish. The result is a structure that performs for decades in our wet, seismically active region.

Benefits

Creates level, usable space on a sloped lot; Controls erosion and manages hillside runoff; Built with drainage to survive saturated soils; Engineered for seismic and load requirements; Adds structure and lasting value to the landscape

Our Process

1) Evaluate slope, soil, drainage, and load conditions; 2) Secure engineering and permits for walls that require them; 3) Excavate and build a compacted base with footing and drainage; 4) Set the wall units, backfill with drainage rock, and finish the grade

What Affects the Cost

Wall height, length, and whether engineering is required; Material selected, from block to natural stone; Site access and the amount of excavation; Drainage system and backfill materials; Soil conditions and any surcharge loads above the wall

Best Time of Year

Dry summer months are ideal for excavation and base compaction, though many walls can be built through fall before the heavy rains.