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
When unexpected life changes require immediate extra living space, an emergency ADU provides a functional solution. This service involves rapid assessment and streamlined planning to get a structure on your property as quickly as local regulations allow. You might need this if a family member suddenly needs to move in or if your primary home becomes temporarily uninhabitable. We focus on getting you secure, comfortable housing without unnecessary delays. Exact pricing confirmed free on the call.
Frequently asked in Berkeley
Where can I find an accessory dwelling unit near me in Berkeley?
What are the types of ADU housing available in Berkeley?
What is a modular accessory dwelling unit in Berkeley?
What is considered the best accessory dwelling unit for a property?
What are homes with in-law suites like in Berkeley?
What is the construction cost of an accessory dwelling unit in Berkeley?
How do I get an ADU quote in Berkeley?
Also serving nearby: Richmond · Oakland · Daly City · Vallejo · Concord
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Berkeley — population 118,962; about 11,403 residents per square mile across 10.4 sq mi. ZIP codes covered include 94701, 94702, 94703, 94704, 94705, 94707, 94708, 94709.
Neighborhoods served in Berkeley: Gourmet Ghetto, Elmwood, Rose Garden, Lorraine Village, Westbrae — and every surrounding area.
Areas we serve
Browse by state, then city.
