ADU Builders Bay AreaHome builder in San Jose, CA

ADU Builders Bay Area is ranked #1 of 392 home builders in San Jose by CR Score, with 67 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

ADU Builders Bay Area is open 7 days a week. Its listed hours are Monday to Sunday, 9 AM – 6 PM. On Saturdays it is open 9 AM to 6 PM, and on Sundays 9 AM to 6 PM. Hours come from the business listing; holiday hours may differ.

Serves San Jose and 11 towns within 40 miles: Santa Clara, Communications Hill, Alum Rock, Campbell, East Foothills, Milpitas, Cupertino, Sunnyvale, Saratoga, Los Gatos and Mountain View. The list is based on the business's location and the usual service radius for home building. Confirm your address is covered when you call.

ADU Builders Bay Area has a rating of 5.0 from 134 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call ADU Builders Bay Area on (669) 201-8445. The business is at 111 N Market St suite 378, San Jose, CA 95113. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.