Cost of accessory dwelling unit — Pomona, 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 Pomona
Where can I find accessory dwelling units for rent in Pomona?
Can I get 24-hour ADU service in Pomona?
How do I find ADU services near me in Pomona?
What's the cost to build an accessory dwelling unit in Pomona?
Who are the ADU builders in Pomona?
What are the considerations for a backyard accessory dwelling unit in Pomona?
What are the options for homes with in-law suites in Pomona?
Also serving nearby: Chino · West Covina · Ontario · Rancho Cucamonga · Anaheim
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Pomona — population 145,502; about 6,330 residents per square mile across 23.0 sq mi. ZIP codes covered include 91766, 91767, 91768, 91769.
Neighborhoods served in Pomona: Downtown Pomona, Walnut Heights, Hamilton, Pomona College, Ganesha Hills — and every surrounding area.
Areas we serve
Browse by state, then city.