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
An ADU estimate provides a preliminary look at what your secondary unit might cost based on the size and complexity of your plans. Variables such as foundation type, square footage, and interior material quality shift the total investment up or down. You need an estimate early in the process to help determine if your vision aligns with your available budget. Exact pricing confirmed free on the call.
Frequently asked in Pomona
What is the accessory dwelling unit construction cost in Pomona?
What accessory dwelling unit services are available in Pomona?
What does ADU construction involve in Pomona?
Can I find an accessory dwelling unit for rent in Pomona?
What are the benefits of a modular accessory dwelling unit in Pomona?
How does ADU building work in Pomona?
Are there accessory dwelling unit grants for Pomona residents?
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, Ganesha Hills, Lincoln Park, Pomona Valley, Walnut Heights — and every surrounding area.
Areas we serve
Browse by state, then city.
