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 kind of ADU housing is common in Beaverton?
What are accessory dwelling units ADUs in Beaverton?
Who is an ADU builder in Beaverton?
What makes an accessory dwelling unit affordable in Beaverton?
How do I get an ADU estimate in Beaverton?
What is the accessory dwelling unit permit process in Beaverton?
What is ADU construction 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: The Highlands, West Hills, Northwest Beaverton, South Beaverton, Raleigh Hills — and every surrounding area.
Areas we serve
Browse by state, then city.
