Last updated: September 24, 2026
What affects the price
Building an ADU involves several moving parts that shape your total investment. The final figure depends heavily on whether you choose a prefab unit or a custom build from the ground up. Site conditions are another major factor; if your property requires extensive grading, utility trenching, or foundation work, costs will climb. You also have to consider your choice of finishes, like high-end appliances or custom cabinetry. Navigating local permit fees and impact assessments also adds to the total.
About this service
These are financial programs offered by local or state governments to help homeowners cover some costs of building a secondary unit. You might need one if you want to create housing but need help with the initial investment. Availability varies by region and specific eligibility requirements. We can help you identify if you qualify for local assistance during our consultation. Costs depend on your site size and design choices; exact pricing confirmed free on the call.
Frequently asked in Santa Maria
What's the cost for an accessory dwelling unit permit in Santa Maria?
How much does a typical accessory dwelling unit cost in Santa Maria?
Where can I find accessory dwelling unit companies in Santa Maria?
What is the average accessory dwelling unit cost in Santa Maria?
How do I find an accessory dwelling unit contractor in Santa Maria?
What factors influence accessory dwelling unit construction cost in Santa Maria?
What accessory dwelling unit services are available in Santa Maria?
Also serving nearby: San Buenaventura Ventura · Bakersfield · Oxnard · Thousand Oaks · Simi Valley
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Santa Maria — population 109,987; about 4,821 residents per square mile across 22.8 sq mi. ZIP codes covered include 93454, 93455, 93456, 93457, 93458.
Neighborhoods served in Santa Maria: Old Town, North Central, South Central, Tanglewood, Cimarron — and every surrounding area.
Areas we serve
Browse by state, then city.
California (3)
All of California · Costa Mesa · Jurupa Valley · Santa Maria
