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 using your secondary unit as a source of monthly income by leasing it to tenants. You might consider this if you want to offset your mortgage or capitalize on high local demand for smaller housing. Success depends on local rental laws and how well the unit is designed for privacy. Exact pricing confirmed free on the call.
Frequently asked in Gresham
What are the accessory dwelling unit services available in Gresham?
What are the rules for ADU housing in Gresham?
How do I get ADU services in Gresham?
What is involved in accessory dwelling unit construction in Gresham?
What is the accessory dwelling unit construction cost in Gresham?
Where can I find accessory dwelling unit builders in Gresham?
Do you have accessory dwelling unit builders near me in Gresham?
Also serving nearby: Portland · Vancouver · Beaverton · Hillsboro · Salem
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Gresham — population 110,685; about 4,706 residents per square mile across 23.5 sq mi. ZIP codes covered include 97030, 97080.
Neighborhoods served in Gresham: Sandy Neighborhood, Centennial Neighborhood, Downtown Gresham, Wakefield, Pleasant Valley — and every surrounding area.
Areas we serve
Browse by state, then city.
