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
ADU housing refers to the creation of independent living spaces located on the same lot as a primary residence. This is a practical way to provide housing for extended family, caretakers, or tenants. You need this service if you want to maximize your property value while addressing a specific need for private space. We help guide you through the process of adding a functional, safe, and comfortable dwelling to your backyard. Exact pricing confirmed free on the call.
Frequently asked in Berkeley
What are the accessory dwelling unit regulations in Massachusetts?
How do I get an ADU quote for Berkeley?
What are the costs for accessory dwelling unit construction in Berkeley?
Can I get an accessory dwelling unit for rent in Berkeley?
Yes, accessory dwelling units in Berkeley can be rented out. The city has specific regulations regarding rental properties, including ADUs. Pros can guide you on any requirements for rental units, such as separate utility meters or fire safety measures. Ensuring compliance from the outset is important for a smooth rental process. They will help you navigate these rules.
Are affordable accessory dwelling units possible in Berkeley?
What are the benefits of a backyard accessory dwelling unit?
A backyard accessory dwelling unit offers excellent privacy for residents. It can be ideal for renters, aging family members, or as a guest house. These units can generate rental income while maintaining separation from the main home. They also add value to your property. The flexibility of a backyard ADU is a major advantage for homeowners. Pros can design the perfect one.
What are emergency ADUs?
Emergency ADUs are not a standard term in construction. However, the term might refer to ADUs built quickly due to specific circumstances, like family needs or disaster recovery. The process for any ADU, emergency or not, still requires permits and adherence to building codes. Pros ensure all builds, regardless of urgency, are safe and compliant. They can discuss timelines for your specific situation.
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, West Berkeley, Berkeley Marina, Indian Rock — and every surrounding area.
Areas we serve
Browse by state, then city.
