Union City, CA

Find the Best Contractors in Union City

Discover top-rated home service professionals in Union City, California. Browse 129 verified contractors for roofing, HVAC, plumbing, and more.

129

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4.4

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Union City, CA

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Top Contractors in Union City, CA

Showing 1-20 of 129 contractors

DoReMi Garage Door Repair

DoReMi Garage Door Repair

1768 Decoto Rd, Union City, CA 94587

5(12 reviews)

"The technician you assigned was skilled, professional and punctual."

Garage Doors
Hours
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Felardo Construction

Felardo Construction

342 Monaco Ave, Union City, CA 94587

5(2 reviews)
RoofingGeneral Contracting
Hours
Roto-Rooter Plumbing & Water Cleanup

Roto-Rooter Plumbing & Water Cleanup

1780 Whipple Rd Ste 203G, Union City, CA 94587

5(510 reviews)

"They came very quickly and explained every step of the job."

Water Damage RestorationGeneral ContractingPlumbing
Hours
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AAA Affordable Plumbing and Rooter

AAA Affordable Plumbing and Rooter

4250 Solar Cir, Union City, CA 94587

5(17 reviews)

"Khan was early for the appointment and fixed the clog and leak in no time."

Plumbing
Hours
Union City CA Roofing Contractors

Union City CA Roofing Contractors

34236 Perry Rd, Union City, CA 94587

5(5 reviews)
Roofing
Hours
Sierra Vents

Sierra Vents

34005 11th St, Union City, CA 94587

5(16 reviews)

"Did a great job and cleaned up everything."

Gutters
Hours
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Paving Masters

Paving Masters

33459 Western Ave A10, Union City, CA 94587

5(7 reviews)

"Great communication from the start, fast and amazing work!"

MasonryConcreteGeneral Contracting
Hours
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Plumbing Connection Inc

Plumbing Connection Inc

4154 Asimuth Cir, Union City, CA 94587

5(24 reviews)

"They came quickly and gave honest advice."

Plumbing
Hours
Union City Plumbing Water Heaters Services

Union City Plumbing Water Heaters Services

4568 Niland St, Union City, CA 94587

5(49 reviews)

"Khan returned and replaced the entire water heater with a brand-new one."

Plumbing
Hours
Apex Roofing Co

Apex Roofing Co

33458 Central Ave #2, Union City, CA 94587

5(2 reviews)

"Excellent Job!"

RoofingSiding
Hours
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De La Cruz Painting

De La Cruz Painting

33951 11th St, Union City, CA 94587

5(1 reviews)

"This company was pleasant to work with."

RoofingPainting
Hours
Compass Materials Inc

Compass Materials Inc

1205 Atlantic St Unit B, Union City, CA 94587

5(1 reviews)

"This is nice services provider"

Flooring
Hours
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MB Marble Resurfacing

MB Marble Resurfacing

Union City, CA

5(1 reviews)
FlooringTile Installer
Hours
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Areas Verde landscape service Inc

Areas Verde landscape service Inc

33510 11th St, Union City, CA 94587

5(6 reviews)

"Excellent services and price, I recommend it 100%."

FencingMasonryLandscaping
Hours
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True Arc Insulation

True Arc Insulation

31868 Alvarado Blvd, Union City, CA 94587

5(1 reviews)

"Super professional and very friendly crew!"

Insulation
Hours
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Aurora Fencing

Aurora Fencing

2837 Whipple Rd A, Union City, CA 94587

5(2 reviews)

"They were very responsive, knowledgeable, and efficient."

FencingGeneral Contracting
Hours
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RCD Concrete

RCD Concrete

740 Bradford Way, Union City, CA 94587

5(1 reviews)
Concrete
Hours
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Areas verde landscape service inc

Areas verde landscape service inc

Union City, CA

5(3 reviews)

"My yard is now thriving thanks to Eugenio's skillful workmanship."

Landscaping
Hours
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The Whiting-Turner Contracting Company

The Whiting-Turner Contracting Company

1600 Whipple Rd, Union City, CA 94587

5(1 reviews)
General Contracting
Hours
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Equinox Air Conditioning

Equinox Air Conditioning

32433 London Ct, Union City, CA 94587

5(40 reviews)

"They worked efficiently, finished on time, and left me seriously impressed."

HVAC
Hours
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Top Rated Contractors 2026

Union City, CA

Every contractor shown for Union City, California is listed with the rating and review count from its public Google Business Profile, so you can compare local professionals on the same basis. Businesses marked as claimed have confirmed their own details, which is not the same as a licence or insurance check. Confirm licensing and insurance directly, then request at least three written estimates before you hire in Union City.

Frequently Asked Questions

Common questions about finding contractors in Union City

Prices in Union City depend on the trade, the size and complexity of the job, and the materials you choose. Small repairs often start in the low hundreds of dollars, while full replacements such as a roof, HVAC system, or kitchen can run from several thousand dollars upward. Request at least three written estimates for the same scope so you can compare local pricing fairly.

Start with the listings on this page, then confirm the licence directly with the licensing board that covers California. Requirements vary by trade: some states license general contractors, while others license only electrical, plumbing, and HVAC work. Ask for the licence number and verify it yourself before signing anything.

Most listings in Union City are aggregated from public business data, including the Google Business Profile rating and review count shown on each page, and are not individually inspected by us. A listing marked as claimed simply means the owner has confirmed control of the business record; it is not a licence or insurance check. Always verify licensing, insurance, and references before you hire.

Costs in California depend heavily on the trade and the project. Labour rates vary by region, licensed trades such as electrical and plumbing usually cost more per hour than general labour, and emergency or after-hours work carries a premium. Statewide averages are only a starting point; get itemized quotes from local contractors for your exact scope.

Permit rules are set by the local authority that covers Union City. Structural work, additions, and most electrical, plumbing, HVAC, and roofing replacements require a permit, while some cosmetic work does not. Ask who is pulling the permit and confirm it is issued in the correct name before work starts, because unpermitted work can complicate resale and insurance.

A deposit of roughly 10-30% of the contract price to cover materials is common in Union City, with the balance tied to milestones in a written contract. Be cautious of anyone demanding full payment up front, large cash-only payments, or payment before the work is scheduled. A written payment schedule protects both sides.

Compare quotes on the same written scope of work, not on the bottom line alone. Check that each quote lists materials and brands, labour, permits, cleanup, and exclusions, and ask how change orders are priced. A bid that is far below the others usually means something has been left out.

A contractor contract in California should state the full scope, materials, total price and payment schedule, estimated start and completion dates, the licence number, how changes will be approved and priced, the warranty, and who handles permits and cleanup. Read it before signing and keep a copy.

Timelines in Union City vary widely by trade and scope, from a same-day repair to several months for a major remodel. Weather, permit queues, and material lead times all affect the schedule. Ask each contractor for a written timeline and confirm how they handle weather or inspection delays.

Read the Google review excerpts shown on each listing for patterns rather than judging only by the star average. Also check the state or provincial licensing board for complaints, ask the contractor for recent local references, and confirm they carry insurance. A single bad review matters less than a consistent theme.

Pricing in Union City reflects local labour rates, cost of living, demand, and how far crews have to travel. Dense metro areas and high-cost regions usually run above the state average, while smaller markets can be below it. The only accurate comparison is like-for-like quotes from contractors who work in Union City.

Document everything in writing first, including photos, dates, and the contract. Ask the contractor to fix the issue under the warranty, and if they refuse, file a complaint with the California licensing board or consumer-protection office. You can also contact us so we can review the listing associated with that business.