Cost of accessory dwelling unit — Bend, OR
Last updated: September 24, 2026
What affects the price
Building an ADU involves several moving parts that shape your total investment. The final figure depends heavily on whether you choose a prefab unit or a custom build from the ground up. Site conditions are another major factor; if your property requires extensive grading, utility trenching, or foundation work, costs will climb. You also have to consider your choice of finishes, like high-end appliances or custom cabinetry. Navigating local permit fees and impact assessments also adds to the total.
About this service
Building an ADU involves several variables that shift the total investment. Your site conditions, the type of foundation, and the quality of finishes you choose will dictate whether you land on the lower or higher end of the spectrum. Because every lot is unique, we provide a breakdown of your specific project requirements to ensure full transparency. Exact pricing confirmed free on the call.
Frequently asked in Bend
What are prefab ADUs like in Bend?
How do I find ADU builders near me in Bend?
What's involved in building a backyard ADU in Bend?
What makes a 'best' ADU in Bend?
Can you tell me about ADU contractors in Bend?
What about ADU building in Bend?
Are prefabricated ADU options good in Bend?
Also serving nearby: Eugene · Salem · Gresham · Portland · Beaverton
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Bend — population 104,557; about 3,004 residents per square mile across 34.8 sq mi. ZIP codes covered include 97701, 97702, 97703, 97707, 97708, 97709.
Neighborhoods served in Bend: Shevlin Commons, Old Bend, River West, Summit West, Desert Woods, Northwest Crossing — and every surrounding area.
Areas we serve
Browse by state, then city.
California (3)
All of California · Costa Mesa · Jurupa Valley · Santa Maria