Adu near me — Portland, 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
Frequently asked in Portland
What permits are needed for an accessory dwelling unit in Portland?
What is the cost to build an accessory dwelling unit in Portland?
What financing options are available for accessory dwelling units in Portland?
What makes an ADU the 'best' option in Portland?
What are 'homes with mother in law suites' in Portland?
What is the construction cost for an accessory dwelling unit in Portland?
What should I look for in a local ADU contractor in Portland?
Also serving nearby: Vancouver · Beaverton · Gresham · Hillsboro · Salem
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Portland — population 630,498; about 4,723 residents per square mile across 133.5 sq mi. ZIP codes covered include 97201, 97202, 97203, 97204, 97205, 97206, 97207, 97208.
Neighborhoods served in Portland: Pearl District, Alberta Arts District, Hawthorne District, Sellwood-Moreland, Kenton — and every surrounding area.
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