Cost of accessory dwelling unit — Daly City, CA
Last updated: September 24, 2026
What affects the price
Building an ADU involves several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.
About this service
The total price for an ADU depends on several moving parts, including the square footage, your foundation type, and local labor rates. Choosing high-end finishes or complex site prep will naturally increase the budget, while standard layouts help keep things manageable. Exact pricing confirmed free on the call.
Frequently asked in Daly City
What are the benefits of prefabricated accessory dwelling units in Daly City?
How can I find an affordable accessory dwelling unit in Daly City?
What are the rules for backyard accessory dwelling units in Daly City?
How do I get an ADU quote in Daly City?
What is the accessory dwelling unit construction cost in Daly City?
Are homes with in-law suites common in Daly City?
Is ADU allowed in New Hampshire?
Also serving nearby: San Mateo · Oakland · Berkeley · Richmond · Hayward
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Daly City — population 99,833; about 13,070 residents per square mile across 7.6 sq mi. ZIP codes covered include 94014, 94015, 94016, 94017.
Neighborhoods served in Daly City: Westlake, Serramonte, Broadmoor, Cow Palace, Parkway — and every surrounding area.
Areas we serve
Browse by state, then city.