Adu permit — 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
Getting an ADU permit is the legal process of obtaining local government approval for your building project. You cannot legally construct or occupy an ADU without this documentation. You need this service before any construction begins to ensure your build meets building codes and safety regulations.
Frequently asked in Gresham
What are the benefits of a prefab ADU in Gresham?
Prefab ADUs offer several benefits for homeowners in Gresham. They can be built off-site in a controlled environment, leading to faster construction times once delivered. This often results in more predictable costs compared to traditional builds. Prefabricated units can also be designed with energy efficiency in mind. Pros can help you select a prefab option that suits your property and budget.
Are there accessory dwelling unit grants available in Gresham?
Accessory dwelling unit grants can sometimes be available for homeowners in Gresham, though specific programs change. These grants often aim to encourage the development of ADUs for affordable housing or to support homeowners with construction costs. It's best to consult with the pros who handle ADU projects. They stay updated on local and state initiatives that might offer financial assistance. They can help you explore these options.
What ADU services do you offer in Gresham?
What is the permit cost for an accessory dwelling unit in Gresham?
How do I get an ADU estimate in Gresham?
What types of ADU units can be built in Gresham?
Gresham allows for various types of ADU units to be built, offering flexibility for homeowners. These can include detached backyard cottages, converted garages, and additions to existing homes. Some ADUs might be built above garages or as basement apartments. The pros will assess your property and local zoning to determine the best unit types for your site. They'll help you choose one that fits your needs.
What about accessory dwelling unit rental in Gresham?
Accessory dwelling unit rental in Gresham is a popular option for homeowners looking to generate income. Local regulations typically govern rental ADUs, including occupancy limits and lease agreements. The pros can help you design a unit that is attractive to renters and compliant with city ordinances. They understand the market and can advise on features that appeal to tenants. This makes your rental investment more successful.
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: South Gresham, North Gresham, West Gresham, Oaks, Pleasant Home — and every surrounding area.
Areas we serve
Browse by state, then city.