Prefab ADU Cost in California (2026): What You’ll Really Pay
Most prefab ADUs in California cost about $120,000 to $320,000 all-in in 2026, and larger premium models can pass $400,000.
ADU Costs
ADU Costs
What ADUs cost in Santa Clarita and across California: detached units, garage conversions, Junior ADUs, prefab, and cost per square foot.
ADU Costs
Garage Conversion ADU in Santa Clarita: Cost, Permits, and Timeline (2026)
A garage-to-ADU conversion in the Santa Clarita area typically costs about $100,000 to $220,000 in 2026. It’s usually the most
ADU Costs
Detached ADU Cost in Santa Clarita (2026): Complete Price Breakdown
A new detached ADU in the Santa Clarita area typically costs about $150,000 to $350,000 or more all-in in 2026,
How Much Does an ADU Cost in Santa Clarita?
Discover our detailed cost breakdown for adding an ADU in Santa Clarita, including permits, materials, labor, and utility connections. Plan your investment wisely with expert insights.