Adu cost — 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
Total ADU costs are driven by the foundation type, the complexity of plumbing and electrical runs, and your choice of fixtures. We provide a clear breakdown of where your money goes so you know exactly what you are paying for from day one. Exact pricing confirmed free on the call.
Frequently asked in Gresham
How do I get an ADU quote for my Gresham home?
Where can I find an accessory dwelling unit for rent in Gresham?
While we focus on building ADUs, many homeowners in Gresham build them for rental income. The best way to find an accessory dwelling unit for rent is to check local rental listings. Look for ADUs in neighborhoods like Fairview or Troutdale. You can also ask local real estate agents. They often have knowledge of new rental properties. We help build the units people rent.
What is involved in ADU building in Gresham?
ADU building in Gresham involves a structured process. It starts with initial design and site assessment. Then, necessary permits are obtained from the City of Gresham. The construction phase includes foundation work, framing, utility installations (plumbing, electrical, HVAC), and exterior finishing. Finally, interior work, such as drywall, flooring, and fixtures, is completed. The crew manages all these stages. They ensure compliance with local codes.
What determines the accessory dwelling unit construction cost in Gresham?
How much does an accessory dwelling unit permit cost in Gresham?
How can I get an ADU estimate in Gresham?
What are the best homes for in-law suites in Gresham?
The best homes for in-law suites in Gresham typically have sufficient yard space. A relatively level lot can simplify the building process. Easy access to existing utilities like water and power is crucial. Local zoning in Gresham must permit accessory dwelling units. The existing home's layout might also lend itself to an attached or detached suite. Pros will assess your property's potential.
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: Brentwood-Darlington, Centennial, East Gresham, Hollydale, North Gresham, West Gresham — and every surrounding area.
Areas we serve
Browse by state, then city.