Adu builder — 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
An ADU builder is a professional who manages the design, permitting, and construction of your secondary unit. You need to hire one when you want a streamlined process that handles the heavy lifting from start to finish. Builders provide expertise on zoning and structural requirements that keep your project on budget. Exact pricing confirmed free on the call.
Frequently asked in Gresham
How do I find an ADU builder in Gresham?
What are the advantages of having an ADU in Gresham?
Adding an ADU in Gresham offers significant advantages. It can provide rental income, accommodate family members, or serve as a home office. An ADU increases your property's value and offers flexible living solutions. For Gresham homeowners, an ADU is a smart way to create additional living space without moving. Pros can help you determine the best fit for your needs.
What permits are needed for an ADU in Gresham?
What is the process for building a detached ADU in Gresham?
Building a detached ADU in Gresham usually begins with site assessment and design. Next, you'll apply for permits and prepare the site. Construction includes foundation, framing, and utility hookups. Finally, exterior and interior finishing takes place, followed by inspections. The pros can walk you through each phase for your Gresham property.
What is an accessory dwelling unit?
An accessory dwelling unit (ADU) is a secondary, independent living space on a single-family lot. It includes its own kitchen, bathroom, and sleeping area. ADUs can be attached to the main home or be a separate structure. They offer flexibility for homeowners and can generate rental income. Pros can help you design one that fits Gresham's requirements.
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, South Gresham — and every surrounding area.
Areas we serve
Browse by state, then city.