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O'Brien BuildersGeneral contractor in Fairfield, CA

O'Brien Builders is a general contractor at 5090 Central Way #100, Fairfield, CA 94534, rated 5.0 from 5 Google reviews. Open Monday to Friday.

Fairfield, CA0 paid placements in any rankingHow we rank

Call (707) 864-2615Website ↗

Key facts

Key facts about O'Brien Builders
Address5090 Central Way #100, Fairfield, CA 94534Get directions
Phone(707) 864-2615
Websiteobrienbuilders.com
HoursMonday to Friday: 8 AM – 4:30 PM
Google rating5.0 from 5 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves Fairfield and 11 towns within 25 miles: Suisun, American Canyon, Vallejo, Napa, Benicia, Vacaville, Martinez, Rodeo, Hercules, Bay Point and Pinole.

Based in Fairfield, CAView on map

Opening hours

Opening hours for O'Brien Builders
DayHours
Monday8 AM – 4:30 PM
Tuesday8 AM – 4:30 PM
Wednesday8 AM – 4:30 PM
Thursday8 AM – 4:30 PM
Friday8 AM – 4:30 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

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 5 Google reviews

Hired O'Brien Builders? Write a review

Questions about O'Brien Builders

What are O'Brien Builders’ hours?

O'Brien Builders is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 4:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does O'Brien Builders serve?

Serves Fairfield and 11 towns within 25 miles: Suisun, American Canyon, Vallejo, Napa, Benicia, Vacaville, Martinez, Rodeo, Hercules, Bay Point and Pinole. 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 O'Brien Builders?

O'Brien Builders has a rating of 5.0 from 5 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 O'Brien Builders?

Call O'Brien Builders on (707) 864-2615. The business is at 5090 Central Way #100, Fairfield, CA 94534. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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