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
A home with an in-law suite includes a private, self-contained living area for family members, often attached to the main residence. If you want to keep aging parents or adult children close while maintaining everyone's privacy, this is the solution. We help you design these spaces to blend with your current home layout.
Frequently asked in Gresham
What accessory dwelling unit services are available in Gresham?
Tell me about accessory dwelling unit construction in Gresham.
Where can I find accessory dwelling unit builders near me in Gresham?
What are accessory dwelling unit homes like in Gresham?
What's the typical cost for an ADU in Gresham?
Are there accessory dwelling units for rent in Gresham?
Can I get an accessory dwelling unit permit 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: Downtown Gresham, West Gresham, East Gresham, North Gresham, Rockwood — and every surrounding area.
Areas we serve
Browse by state, then city.
