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
Financing an ADU involves finding a loan product that works for your specific financial situation. You might use a home equity line of credit, a cash-out refinance, or a specialized construction loan. You need this service if you have the space for a unit but need help covering the upfront costs.
Frequently asked in Gresham
What contractor services are available for ADUs in Gresham, Oregon?
What are the general considerations for accessory dwelling units (ADUs) in Gresham?
Are there specific rules for ADUs in New Hampshire that apply here?
What is involved in ADU building in Gresham?
How can I find affordable ADU options in Gresham?
What does an accessory dwelling unit entail in Gresham?
Is 24-hour ADU service available 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: West Gresham, Oaks, South Gresham, Downtown Gresham, Pleasant Valley — and every surrounding area.
Areas we serve
Browse by state, then city.
