Best adu — Berkeley, CA
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
A top-tier ADU balances aesthetic appeal with practical functionality, ensuring you get the most utility from your property. You need a high-performance build if you want to avoid future maintenance headaches and ensure your unit holds its value over time. We emphasize quality materials and expert craftsmanship to deliver a space that serves your family well for many years. Exact pricing confirmed free on the call.
Frequently asked in Berkeley
What are some good accessory dwelling unit companies in Berkeley?
Are there accessory dwelling unit regulations in Massachusetts?
Accessory dwelling unit regulations vary by location. For Massachusetts, there are specific state laws and local ordinances that govern ADUs, including potential size limits, setback requirements, and owner occupancy rules. It is essential to consult with local experts familiar with both state and municipal codes for any projects in that state. Requirements differ significantly from California.
What is a prefab ADU?
What is the accessory dwelling unit permit cost?
What is an accessory dwelling unit?
An accessory dwelling unit (ADU) is a secondary, independent living space on a single-family home lot. It typically includes its own kitchen, bathroom, and sleeping area. ADUs can be attached to the main house or be a completely separate structure. They offer flexibility for housing family, guests, or for rental income in Berkeley.
Can I find an accessory dwelling unit for rent?
While our service focuses on building new accessory dwelling units, many homeowners in Berkeley construct ADUs specifically for rental income. These units provide independent living spaces that are attractive to renters. If you're looking to rent an ADU, you would typically search local rental listings. Our service helps you create one to potentially rent out.
What is an ADU near me?
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, Indian Rock, Elmwood, West Berkeley, Claremont Hills — and every surrounding area.
Areas we serve
Browse by state, then city.