Adu company — 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 company manages the entire project lifecycle, from initial design and permit acquisition to the final walk-through. You need a full-service company if you want to avoid the stress of coordinating different contractors or handling complex municipal filings yourself. We act as your single point of contact, ensuring your vision is executed correctly while keeping you informed at every stage of construction. Exact pricing confirmed free on the call.
Frequently asked in Gresham
What accessory dwelling unit services are available in Gresham?
What is a modular accessory dwelling unit?
A modular accessory dwelling unit (ADU) is constructed in sections off-site in a factory setting, then transported and assembled on your property in Gresham. This method can often lead to faster project completion compared to traditional on-site building. These units are built to strict quality standards and building codes. They offer a consistent and reliable construction process. Pros can assess if this option suits your needs.
What is a detached accessory dwelling unit?
Can I get an accessory dwelling unit for rent in Gresham?
What does accessory dwelling unit mean?
An accessory dwelling unit (ADU) means a second, smaller, independent living unit located on a single-family residential lot. In Gresham, this could be a backyard cottage, a basement apartment, or a converted garage. ADUs are designed to provide complete living facilities, including a kitchen, bathroom, and sleeping area. They are a practical way to add housing capacity to a property. They offer flexibility for homeowners.
How much does it cost to build an accessory dwelling unit in Gresham?
What ADU services are available?
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, Downtown Gresham, Pleasant Valley — and every surrounding area.
Areas we serve
Browse by state, then city.