Real numbers and straight answers
What things cost in King County, which permits you need, and what works in Puget Sound soil. Written by the crew that does the work.
· 7 min read
How Much Does a Retaining Wall Cost in Seattle? (2026)
Retaining wall bids in King County swing wildly because the price is set by height, access and drainage, not by block. Here are the 2026 installed ranges and what actually moves the number.
Read the guide· 7 min read
Paver Patio Cost Per Square Foot in King County
Per square foot is how patios get priced and also how patio bids get misleading. Here is the 2026 King County range by material, what one square foot is actually made of, and where the cheap bids cut.
Read the guide· 7 min read
Do You Need a Permit for a Retaining Wall in Kent, WA?
The 4-foot rule is not measured where most homeowners think it is, and several ordinary backyard conditions void the exemption entirely. Here is how a retaining wall gets reviewed in Kent, and what the paperwork costs.
Read the guide· 6 min read
Best Retaining Wall Materials for Puget Sound Clay Soil
Most of what people around here call clay is dense glacial till, and it breaks walls in one specific way. Here is how block, basalt, gabion, concrete, timber and rockery actually perform in it.
Read the guide· 6 min read
Drainage Solutions for Sloped Yards in Western Washington
A wet hillside is almost always two different problems wearing one symptom. Here is how to separate surface water from perched groundwater, what each fix runs in King County, and where the rules draw the line.
Read the guide· 6 min read
When to Winterize Sprinklers in the Pacific Northwest
Puget Sound sprinkler winterization is a scheduling problem more than a weather problem. Here is the real blowout window by elevation, what actually freezes first, and the pressure limits that keep a blowout from doing its own damage.
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