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
These companies provide end-to-end management for property owners looking to add a secondary unit. They typically offer a mix of design, permitting, and construction management services to streamline the project. You need to hire a company when you want a structured, professional approach to the entire build process rather than managing individual subcontractors yourself. They help ensure your unit is built to code, on time, and aligned with your budget goals.
Frequently asked in Gresham
Where can I find an accessory dwelling unit near me in Gresham?
How do I get an ADU quote in Gresham?
What are the rules for a detached accessory dwelling unit in Gresham?
Who is a good accessory dwelling unit contractor in Gresham?
A good accessory dwelling unit contractor in Gresham is one that is licensed, insured, and experienced with local building practices. They should be able to provide references and have a clear understanding of your project goals. Communication and transparency throughout the construction process are key indicators. The pros we work with fit this description.
How do local ADU regulations work in Gresham?
What are accessory dwelling units (ADUs)?
Accessory dwelling units, or ADUs, are secondary housing units on a single-family lot. They can be attached to the main home or be a separate structure, like a backyard cottage. ADUs provide independent living spaces. They are a flexible way to add housing in areas like Gresham.
Are there accessory dwelling unit builders near me 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: Hollydale, North Gresham, South Gresham, West Gresham, Centennial, Clear Creek — and every surrounding area.
Areas we serve
Browse by state, then city.
