Affordable accessory dwelling unit — 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
Affordability in ADUs usually comes down to smart design choices, like using standardized floor plans or choosing efficient building materials that reduce labor time. You need this approach if you want to add living space for family or rental income without overextending your finances. We help you prioritize the features that matter most to keep costs manageable while maintaining high quality. Exact pricing confirmed free on the call.
Frequently asked in Beaverton
Who are the ADU builders to consider in Beaverton?
What is an ADU unit, and is it allowed in Beaverton?
An ADU unit, or accessory dwelling unit, is a secondary housing unit on a single-family lot. Yes, ADU units are allowed in Beaverton, Oregon, with specific regulations in place to guide their development. These units can be attached to the main house or be a detached structure. Beaverton's zoning ordinances outline the requirements for size, setbacks, and other factors.
How do I get an affordable ADU quote in Beaverton?
What is the cost to build an accessory dwelling unit in Beaverton?
The cost to build an accessory dwelling unit in Beaverton is influenced by factors such as the unit's size, design complexity, materials chosen, and site preparation requirements. Utility connections and foundation work are also significant cost components. For an accurate estimate tailored to your specific property and desired features, obtaining a detailed quote from a local builder is essential.
What is the ADU building process in Beaverton?
What are accessory dwelling unit builders near me?
What is the accessory dwelling unit permit cost in Beaverton?
The accessory dwelling unit permit cost in Beaverton is determined by factors such as the project's valuation and the specific fees charged by the city. These can include application fees, plan review fees, and inspection fees. The size and complexity of your ADU will also influence the total permit cost. Local builders can provide an estimate of these fees during the quoting process.
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: The Cedar Mill area, Raleigh Hills, The Cooper Mountain area, The Sunset Corridor — and every surrounding area.
Areas we serve
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