Accessory dwelling unit permit cost — Beaverton, OR
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.
Frequently asked in Beaverton
What is an accessory dwelling unit in Beaverton?
What are some accessory dwelling unit companies in Beaverton?
What are homes with mother-in-law suites like in Beaverton?
What is an ADU estimate in Beaverton?
Are there affordable accessory dwelling units in Beaverton?
What's involved in ADU building in Beaverton?
Where can I find ADU builders near me 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: Cedar Mill, Bethany, Aloha, Mountain View, Raleigh Hills — and every surrounding area.
Areas we serve
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