Homes with mother in law suites — 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
Adding a mother-in-law suite is a popular way to provide comfortable, accessible housing for family members on your own property. These suites usually include a kitchenette and private bathroom. You need this if you want to provide independent living for loved ones while keeping them close by.
Frequently asked in Beaverton
Can I get an affordable accessory dwelling unit in Beaverton?
What's the cost to build an accessory dwelling unit in Beaverton?
The cost to build an accessory dwelling unit in Beaverton varies significantly. Factors include the size of the unit, the chosen design, and the quality of finishes. Site preparation and any necessary utility upgrades also contribute to the overall price. We provide detailed quotes after a site assessment. Call today for an estimate.
Where can I find accessory dwelling unit builders near me in Beaverton?
Can I find an ADU builder in Beaverton?
What does 'accessory dwelling unit' mean in Beaverton?
In Beaverton, an 'accessory dwelling unit' (ADU) refers to a second, independent living unit on a single-family residential lot. This can be a detached structure or an addition to the main home. It includes its own kitchen, bathroom, and entrance. ADUs provide flexible living space. Call us for advice.
Can I build a backyard accessory dwelling unit in Beaverton?
What's the accessory dwelling unit permit process 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, Garden Home, Aloha, Tigard, Hillsboro, Lake Oswego — and every surrounding area.
Areas we serve
Browse by state, then city.