What does accessory dwelling unit mean — 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.
About this service
An accessory dwelling unit is a secondary house or apartment that shares the building lot of a larger, primary home. It is a flexible housing solution used for aging parents, adult children, or generating rental income. The term covers everything from garage conversions to new detached cottages. Understanding this definition helps you determine if your property has the potential to add living space. Exact pricing confirmed free on the call.
Frequently asked in Beaverton
What are the best accessory dwelling unit companies in Beaverton?
Who are the top accessory dwelling unit builders near me in Beaverton?
What's involved in ADU construction in Beaverton?
What are the benefits of accessory dwelling units in Beaverton?
Can I get an ADU quote in Beaverton?
What is the best ADU for my property in Beaverton?
What are the rules for accessory dwelling units 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: Swope Park, Vandever, Elmonica, West Hills, Raleighwood — and every surrounding area.
Areas we serve
Browse by state, then city.