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24 companies listed · 8 in Castro Valley · 1 open 24/7 · 11 open weekends · 19 rated 4.5+
Data verified October 18, 2026
Listed for homeowners in and around Castro Valley, CA, these 24 companies take on multi-trade work, from a single addition to a whole-floor renovation. What each one says about licensing, hours and the work it takes on comes from its own website; ratings and quotes come from public reviews.
Of the 24 companies we list here, 8 are in Castro Valley itself and 16 come from towns including Mill Valley (7, 29 mi), Walnut Creek (4, 13 mi) and San Francisco (2, 21 mi). The companies on this page are rated from 4.0 to 5.0 across 178 reviews; 19 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (90%), quality (86%) and responsiveness (72%). The topics that come up most in reviews of the companies on this page are "price" and "communication". 1 is open around the clock; 11 are open on Saturdays and 1 on Sundays. 6 show a license on their websites and 6 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 96 years. 2 offer emergency call-outs; 8 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the companies on this page; 21 publish a contact page and 20 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
6 of the 24 listings on this page show a license on their websites. That is a claim you can check with the board that issued it, and worth checking, because the license belongs to a named person who may not be the one standing in your hallway.
