Accessory dwelling unit construction — 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
This involves the physical building process, from laying the foundation to installing the roof and interior finishes. It covers the actual labor and materials needed to transform a design into a finished home. You need this service when you have your plans ready and are prepared to break ground. Costs are typically affected by square footage and interior materials chosen for the unit. Exact pricing confirmed free on the call.
Frequently asked in Beaverton
What are the considerations for a backyard accessory dwelling unit in Beaverton?
How do I get an ADU estimate in Beaverton?
What is the accessory dwelling unit cost in Beaverton?
What are common homes with mother-in-law suites in Beaverton?
What is a local ADU in Beaverton?
What are accessory dwelling units (ADUs)?
Accessory dwelling units (ADUs) are secondary housing units on a single-family residential lot. They are typically smaller and independent of the main home. ADUs can be attached, detached, or conversions of existing spaces like garages. They provide flexible housing options. The pros can explain the types suitable for Beaverton.
What is an affordable ADU 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, Greenwood, Murrayhill, Bethany, Sylvan Highlands — and every surrounding area.
Areas we serve
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