Last updated: September 24, 2026
What affects the price
Building an ADU is a major project, and the final bill depends on a few key things. Site prep is a big factor; if your land is sloped or needs extensive utility connections, costs go up. The materials you choose—from siding to kitchen finishes—also change the math significantly. Whether you’re building a detached unit or converting an existing garage shifts the permit requirements and structural work needed. We provide exact pricing confirmed free on the call.
About this service
Frequently asked in Beaverton
What is ADU housing in Beaverton?
Who are the best ADU companies in Beaverton?
What services are available for ADUs in Beaverton?
What is involved in ADU construction in Beaverton?
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What is an ADU unit in Beaverton?
What is ADU building in Beaverton?
Also serving nearby: Hillsboro · Portland · Vancouver · Gresham · Salem
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Beaverton — population 96,945; about 4,935 residents per square mile across 19.6 sq mi. ZIP codes covered include 97003, 97005, 97006, 97007, 97008, 97075, 97076, 97077.
Neighborhoods served in Beaverton: Raleigh Hills, Murrayhill, Progress, Bonny Slope, Bethany, West Haven — and every surrounding area.
Areas we serve
Browse by state, then city.
