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J N BuilderGeneral contractor in Fremont, CA

J N Builder is a general contractor in Fremont, CA, ranked #19 of 936 general contractors in Fremont and rated 5.0 from 16 Google reviews. Open 7 days a week.

Fremont, CAUpdated 0 paid placements in any rankingHow we rank

Call (408) 499-9048Website ↗

Key facts

Key facts about J N Builder
Phone(408) 499-9048
Websitejnbuilder.com
HoursMonday to Sunday: 7 AM – 6 PM
Google rating5.0 from 16 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Fremont and 12 towns within 25 miles: Tiburon, Sausalito, Strawberry, Richmond, Chinatown, Tamalpais-Homestead Valley, El Cerrito, Corte Madera, Albany, Tamalpais Valley, Mill Valley and San Pablo.

Based in Fremont, CAView on map

Opening hours

Opening hours for J N Builder
DayHours
Monday7 AM – 6 PM
Tuesday7 AM – 6 PM
Wednesday7 AM – 6 PM
Thursday7 AM – 6 PM
Friday7 AM – 6 PM
Saturday7 AM – 6 PM
Sunday7 AM – 6 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

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Google

5.0from 16 Google reviews

Hired J N Builder? Write a review

Questions about J N Builder

How is J N Builder ranked in Fremont?

J N Builder is ranked #19 of 936 general contractors in Fremont by CR Score, with 59 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.

What are J N Builder’s hours?

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

What areas does J N Builder serve?

Serves Fremont and 12 towns within 25 miles: Tiburon, Sausalito, Strawberry, Richmond, Chinatown, Tamalpais-Homestead Valley, El Cerrito, Corte Madera, Albany, Tamalpais Valley, Mill Valley and San Pablo. 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 J N Builder?

J N Builder has a rating of 5.0 from 16 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 J N Builder?

Call J N Builder on (408) 499-9048. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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