Custom new home cost in Sacramento & the Bay Area

Contractors declared a value on 336 custom home permits in 2025–26 in the cities we track (Sacramento, Elk Grove, West Sacramento, San Francisco, San Jose, Marin County). Half of the jobs fall between $316,264 and $750,000; the median is $493,338. A declared value is what the contractor reported to the city, so your quote can be higher or lower, and prices differ from city to city.

Custom new home contractors by city (contractors with permits)