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
A dedicated contractor manages the heavy lifting of your ADU project. This involves hiring skilled tradespeople, ordering materials, and ensuring that every phase of construction passes municipal inspections. You need a contractor when you want a single point of contact to oversee the transition from a vacant backyard area to a fully finished, livable home. They bridge the gap between initial architectural designs and the final move-in date for your new space.
Frequently asked in Beaverton
How does the accessory dwelling unit cost in Beaverton compare to other areas?
What ADU companies are available in Beaverton?
What is the best ADU design for Beaverton's climate?
Can I build an accessory dwelling unit near me in Beaverton?
Are accessory dwelling unit builders near me in Beaverton experienced?
What is ADU near me in Beaverton?
What is the accessory dwelling unit cost 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: Murrayhill, Raleigh Hills, Aloha, Tigard, Garden Home-Whitcomb — and every surrounding area.
Areas we serve
Browse by state, then city.
