Accessory dwelling units adus — Gresham, 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
Accessory dwelling units, or ADUs, are secondary residences that share a lot with a main house. These units allow you to increase your property value and utility without buying a new home. You need these when your household needs are changing and you need more flexible living space.
Frequently asked in Gresham
Can I get an ADU quote for my Gresham property?
What are the costs of an accessory dwelling unit in Gresham?
Who are the accessory dwelling unit companies in Gresham?
What is involved in accessory dwelling unit construction?
What are the permit costs for an ADU in Gresham?
Do you offer ADU contractor services in Gresham?
How much does accessory dwelling unit construction cost?
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: Meadow Creek, Hollydale, West Gresham, North Gresham, Pleasant Valley — and every surrounding area.
Areas we serve
Browse by state, then city.