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Castillo Bay Builders, LLCGeneral contractor in Oakland, CA

Castillo Bay Builders, LLC is a general contractor at 3770 Malcolm Ave, Oakland, CA 94605, rated 5.0 from 2 Google reviews. Open 7 days a week.

Oakland, CA0 paid placements in any rankingHow we rank

Call (510) 480-7574Website ↗

Key facts

Key facts about Castillo Bay Builders, LLC
Address3770 Malcolm Ave, Oakland, CA 94605Get directions
Phone(510) 480-7574
Websitecastillobaybuilders.com
HoursMonday to Saturday: 8 AM – 6 PM; Sunday: 9 AM – 5 PM
Google rating5.0 from 2 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves Oakland and 11 towns within 25 miles: San Leandro, Ashland, Castro Valley, San Lorenzo, Cherryland, Moraga, Hayward, Fairview, Alameda, Piedmont and San Ramon.

Based in Oakland, CAView on map

Opening hours

Opening hours for Castillo Bay Builders, LLC
DayHours
Monday8 AM – 6 PM
Tuesday8 AM – 6 PM
Wednesday8 AM – 6 PM
Thursday8 AM – 6 PM
Friday8 AM – 6 PM
Saturday8 AM – 6 PM
Sunday9 AM – 5 PM
  • Open evenings — no
  • Open Saturdays
  • Open Sundays

Typical general contracting prices

Typical general contracting prices
JobLowTypicalHigh
Kitchen remodelPer project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.04 Pacific factor (2025 Cost vs. Value Report)$15,240$28,190$43,470
Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 1.06 Pacific factor (2025 Cost vs. Value Report)$7,050$12,880$18,720

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 2 Google reviews

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Questions about Castillo Bay Builders, LLC

What are Castillo Bay Builders, LLC’s hours?

Castillo Bay Builders, LLC is open 7 days a week. Its listed hours are Monday to Saturday, 8 AM – 6 PM; Sunday, 9 AM – 5 PM. On Saturdays it is open 8 AM to 6 PM, and on Sundays 9 AM to 5 PM. Hours come from the business listing; holiday hours may differ.

What areas does Castillo Bay Builders, LLC serve?

Serves Oakland and 11 towns within 25 miles: San Leandro, Ashland, Castro Valley, San Lorenzo, Cherryland, Moraga, Hayward, Fairview, Alameda, Piedmont and San Ramon. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.

What do Google reviews say about Castillo Bay Builders, LLC?

Castillo Bay Builders, LLC has a rating of 5.0 from 2 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.

How do I contact Castillo Bay Builders, LLC?

Call Castillo Bay Builders, LLC on (510) 480-7574. The business is at 3770 Malcolm Ave, Oakland, CA 94605. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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