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ContractorsRanked

Best General Contractors in Union City, CA (2026)

1,089 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Union City: Closets by Design - Northern California, CR Score 64/100; 4.8★ from 998 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Ocean Remodel, posts 24/7 hours; ranked #2 of 1,089.

  3. 3

    Most-reviewed: Closet World - Northern California, 775 Google reviews at 4.4★, the most of 1,089 ranked after Closets by Design - Northern California; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

1,089 Union City general contractors are ranked here by CR Score, from ten published factors. 58 are open 24/7, 381 open Saturdays and 212 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,089 rated businesses.

Top 10 general contractors in Union City at a glance

Top 10 general contractors in Union City at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Closets by Design - Northern California644.8★ (998)Hayward, 8 mi awaySat · Sun · EveningsOverall
2Ocean Remodel624.9★ (107)Castro Valley, 8 mi away24/7Emergencies
3Closet World - Northern California614.4★ (775)Hayward, 8 mi awaySat · Sun · EveningsMost reviews
4Primework Construction605.0★ (111)San Jose, 16 mi away24/7—
5R & S Erection North Peninsula605.0★ (233)South San Francisco, 22 mi away24/7—
6TRUSTED HEATING, COOLING & CONSTRUCTION604.8★ (21)Union City24/7—
7Lockworks Unlimited604.7★ (144)Redwood City, 14 mi away24/7—
8A Tamam Construction604.9★ (167)Fremont, 5 mi awaySun—
9HB Kitchen & Bath Inc / HB Home Decor604.8★ (137)Hayward, 2 mi awaySat—
10PTR REMODELING SERVICES605.0★ (22)Fremont, 5 mi away24/7—

The 1,089 best general contractors in Union City, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 Ocean Remodel

    Based in Castro Valley, 8 mi away

    62/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 107 Google reviews, listed on Google as “General contractor”.

    • 4.9★ from 107 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2811 Castro Valley Blvd #111, Castro Valley, CA 94546
    View profile for Ocean Remodel(510) 520-9934

  7. #7 Lockworks Unlimited

    Based in Redwood City, 14 mi away

    60/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.7★ from 144 Google reviews, listed on Google as “Contractor”.

    • 4.7★ from 144 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2671 El Camino Real, Redwood City, CA 94061
    View profile for Lockworks Unlimited(650) 299-9126

  8. #8 A Tamam Construction

    Based in Fremont, 5 mi away

    60/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 167 Google reviews, listed on Google as “Construction company”.

    • 4.9★ from 167 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat closed · Sun 9 AM–4 PM
    Address
    41060 High St, Fremont, CA 94538
    View profile for A Tamam Construction(408) 478-3111

  12. #12 Synergy Enterprises

    Based in Hayward, 4 mi away

    60/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 341 Google reviews, listed on Google as “Contractor”.

    • 4.8★ from 341 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    28436 Satellite St, Hayward, CA 94545
    View profile for Synergy Enterprises(510) 259-1700

  13. #13 Inspired Builders Inc

    Based in Sunnyvale, 15 mi away

    59/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 116 Google reviews, listed on Google as “General contractor”.

    • 5.0★ from 116 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    349 Cobalt Way #303, Sunnyvale, CA 94085
    View profile for Inspired Builders Inc(669) 800-9899

  16. #16 DevArt8 Builders

    Based in Milpitas, 15 mi away

    59/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Construction company”.

    • 5.0★ from 101 Google reviews
    Hours
    Mon–Sun 8 AM–10 PM
    Address
    1828 S Milpitas Blvd #506, Milpitas, CA 95035
    View profile for DevArt8 Builders(669) 322-3368

  18. #18 Sky Automatic Gates

    Based in Pleasanton, 9 mi away

    58/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 22 Google reviews, listed on Google as “General contractor”.

    • 4.9★ from 22 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4900 Hopyard Rd Suit 100, Pleasanton, CA 94588
    View profile for Sky Automatic Gates(925) 453-0009

  19. #19 Prime Design & Build

    Based in San Jose, 17 mi away

    58/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 56 Google reviews, listed on Google as “Construction company”.

    • 4.9★ from 56 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1729 N First St, San Jose, CA 95112
    View profile for Prime Design & Build(650) 220-9600

  20. #20 The Container Store

    Based in Palo Alto, 14 mi away

    58/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.4★ from 336 Google reviews, listed on Google as “Contractor”.

    • 4.4★ from 336 Google reviews
    Hours
    Mon–Sat 10 AM–7 PM · Sun 11 AM–6 PM
    Address
    500 Stanford Shopping Center, Palo Alto, CA 94304
    View profile for The Container Store(650) 300-4870

  22. #22 Y Group Remodeling

    Based in San Ramon, 13 mi away

    58/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Construction company”.

    • 4.8★ from 85 Google reviews
    Hours
    Mon–Sun 7 AM–8 PM
    Address
    2010 Crow Canyon Pl Suite 100, San Ramon, CA 94583
    View profile for Y Group Remodeling(510) 899-1053

General contractors ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 1,089 ranked general contractors here; the rest are on their profiles.

general contractors in Union City, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Driven Construction585.0★ (15)4 mi
27My Construction Group574.8★ (37)16 mi
28Derco Construction575.0★ (11)2 mi
29Shokran construction575.0★ (5)3 mi
30THE HOUSE DOCTOR INC.575.0★ (23)15 mi
31Finest Builders575.0★ (52)9 mi
32ZEMM Construction575.0★ (15)5 mi
33AMI Contracting575.0★ (20)8 mi
34AIF Construction Inc575.0★ (28)5 mi
35Loona Construction574.8★ (19)6 mi
36BAQC Builders Inc.575.0★ (15)6 mi
37B2 Home Renovations Inc575.0★ (8)In Union City
38All State Builders Inc575.0★ (22)3 mi
39Green Living Remodeling574.9★ (67)11 mi
40MasterPro Installs574.9★ (163)11 mi
41AK PAHULU CONSTRUCTION575.0★ (6)6 mi
42Sassoon Construction575.0★ (23)17 mi
43My Pure Environment575.0★ (212)17 mi
44Construction & More575.0★ (65)5 mi
45Green California Builders Inc575.0★ (38)15 mi
46AGH Commercial Inc.574.9★ (47)16 mi
47D&D Home Remodeling575.0★ (140)20 mi
48United Chimney Services Inc574.7★ (46)14 mi
49EcoStar Remodeling & Construction564.7★ (240)19 mi
50Home prep services565.0★ (22)5 mi

Also serving Union City

20 more general contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked general contractors serving Union City
BusinessGoogle ratingDistance
Aurora Fencing5.0★ (2)In Union City
Best Contracting Services4.7★ (6)In Union City
CedarSpringline RoofingIn Union City
Centro A Construction Inc1.0★ (1)In Union City
Escon Builders5.0★ (2)In Union City
Felardo Construction5.0★ (2)In Union City
Gomez ConstructionIn Union City
H P Communications IncIn Union City
JMCR Kitchens5.0★ (3)In Union City
Lira Construction5.0★ (2)In Union City
Miramar Marble & Granite Inc.5.0★ (15)In Union City
Musk Construction Kitchen Remodeling Union City5.0★ (11)In Union City
Novum Structures LLC5.0★ (2)In Union City
NPL Construction Co.1.0★ (1)In Union City
RHS Construction5.0★ (1)In Union City
Roto-Rooter Plumbing & Water Cleanup5.0★ (510)In Union City
Southland Industries4.0★ (8)In Union City
Synergy k buildersIn Union City
The Whiting-Turner Contracting Company5.0★ (1)In Union City
Y&K INC5.0★ (1)In Union City

How much do general contractors cost in Union City?

Typical prices in USD, adjusted for California with a published regional index. Each row names its basis and month.

How much do general contractors cost in Union City?
JobLowTypicalHighBasisChecked
Kitchen remodel$15,240$28,190$43,470Per 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)October 2026
Bathroom remodel$7,050$12,880$18,720Per bathroom: typical range of customer-reported remodels. US national range × 1.06 Pacific factor (2025 Cost vs. Value Report)October 2026

How to check a general contractor's license in California

In California, Contractors State License Board (CSLB) licenses B General Building contractor license (B-2 for residential remodeling).

Jobs of $1,000 or more in labor and materials (from January 1, 2025).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

How we ranked Union City general contractors

We scored 1,089 Union City general contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Union City data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

General contractors in Union City: frequently asked questions

Who is the best general contractor in Union City?

By CR Score, the highest-ranked general contractor in Union City, CA is Closets by Design - Northern California with a CR Score of 64/100. It has 4.8★ from 998 Google reviews. It is open 7 days a week. Ocean Remodel (#2) and Closet World - Northern California (#3) follow. We ranked 1,089 general contractors on ten factors, last updated October 22, 2026.

How many general contractors are there in Union City?

ContractorsRanked ranks 1,089 general contractors serving Union City, CA. 2 of them are based in Union City; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which general contractors in Union City are open 24/7?

58 ranked general contractors in Union City post 24/7 hours. The highest-ranked are Ocean Remodel (#2), Primework Construction (#4) and R & S Erection North Peninsula (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which general contractors in Union City work on weekends?

381 of 1,089 ranked general contractors post Saturday hours and 212 post Sunday hours. The highest-ranked open Saturdays are Closets by Design - Northern California (#1), Ocean Remodel (#2) and Closet World - Northern California (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a general contractor's license in California?

In California, Contractors State License Board (CSLB) handles licensing and covers B General Building contractor license (B-2 for residential remodeling). Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).

How much does kitchen remodel cost in Union City?

Kitchen remodel typically costs $15,240 to $43,470, with $28,190 typical (Per 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)). The range is adjusted for California. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Union City general contractors have?

The median Google rating among 1,089 rated general contractors in Union City is 5.0★, with a median of 7 reviews. Closets by Design - Northern California has the most, 998 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank general contractors?

Each general contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Union City

  1. October 2026: CR Scores recalculated for 1,089 general contractors serving Union City.
  2. October 2026: 11 duplicate listings merged.

More general contractors and Union City pages

Other trades in Union City