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
These are specialized contractors who focus specifically on the design and assembly of secondary housing units. Unlike general contractors who take on all home renovations, these specialists understand the unique constraints of building in backyards or converting existing structures. You need them when you want someone who manages the entire process—including permits and site management—specifically to ensure your ADU is built efficiently, correctly, and according to the specific regulations governing secondary structures on residential lots.
Frequently asked in Pomona
What are the rules for a detached accessory dwelling unit in Pomona?
Can I build a backyard accessory dwelling unit in Pomona?
What are the considerations for a modular accessory dwelling unit in Pomona?
What is an accessory dwelling unit in Pomona?
An accessory dwelling unit (ADU) in Pomona is a secondary, independent living unit on a residential lot. It can be attached or detached from the main home and includes its own kitchen and bathroom. ADUs are designed to provide additional housing options within existing neighborhoods. They offer flexibility for homeowners and renters alike.
What accessory dwelling unit services are available in Pomona?
Where can I find accessory dwelling unit builders in Pomona?
What's the accessory dwelling unit cost in Pomona?
The accessory dwelling unit cost in Pomona depends on size, design, and materials. Basic units are more affordable than custom-built, larger ADUs. Factors like site preparation and utility hookups also influence the price. For an accurate cost, a professional assessment of your property is necessary. We can arrange this.
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: Lakeside, Walnut, La Verne, San Dimas, Claremont — and every surrounding area.
Areas we serve
Browse by state, then city.
