Cost of accessory dwelling unit — 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
Building an ADU involves several variables that influence the total investment, including your local site conditions, utility hookups, and the finishes you select for the interior. We focus on transparency throughout your project planning to keep you on budget. Exact pricing confirmed free on the call.
Frequently asked in Gresham
What is the process for getting an accessory dwelling unit in Gresham?
Are there specific rules for accessory dwelling units in Oregon?
What are homes with mother-in-law suites like in Gresham?
Homes with mother-in-law suites in Gresham are typically existing residences with an added, self-contained living space. This can be an attached unit or a detached structure in the backyard. These suites offer independent living quarters for family members or renters. The pros can assess your property's suitability for adding such a space.
How do I get an ADU permit in Gresham?
What financing options are available for ADUs in Gresham?
Financing for accessory dwelling units in Gresham can include home equity loans, personal loans, or construction loans. Some homeowners also explore refinancing their primary mortgage to fund the project. The estimate you receive will provide a clear cost breakdown, which is essential for securing financing. Discussing your budget with us is a good first step.
Who builds accessory dwelling units in Gresham?
Can I get an ADU estimate in Gresham today?
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: North Gresham, South Gresham, West Gresham, Oakhills, Pleasant Valley — and every surrounding area.
Areas we serve
Browse by state, then city.