Best Windows Companies in Union City, CA (2026)

Looking for a trusted windows company in Union City, CA? We've compiled 10 verified windows service providers in the Union City area. Average rating: 4.8 stars across 185 customer reviews. Compare windows companies, read real reviews, and get free quotes from local pros.

10 contractors185 reviews4.8★ avg
#1
Equipar Windows
25 NorCal Score
5★★★★★(1 reviews)

39025 Fremont Hub, Fremont, CA 94538, USA

★★★★★Robinson Flechas

There's no window installation service, it's a fire station 😇

#2
Cal Coast Window & Door
25 NorCal Score
5★★★★★(1 reviews)

39899 Balentine Dr #200, Newark, CA 94560, USA

★★★★★Mark Bush

Worked with Dave for awhile now and he has shown that he is a person of high integrity. This is a company that you will want to do business with!

#3
KP Doors & Access
31 NorCal Score
5★★★★★(11 reviews)

28971 Hopkins St Ste 2, Hayward, CA 94545, USA

★★★★★Liz Ramjohn

The KP Doors and Access team is professional and provides excellent service. They take pride in their work and stand behind it with integrity. We had an issue w...

#4
Economy Glass Services
36 NorCal Score
5★★★★★(25 reviews)

27365 Industrial Blvd Unit a, Hayward, CA 94545, USA

★★★★★Geo W

I highly recommend this place. I had them make and install some sliding glass doors for a display case I made for a retail location. They did a great job! I wo...

#5
Complete siding solutions
25 NorCal Score
5★★★★★(1 reviews)

29397 Lassen St, Hayward, CA 94544, USA

★★★★★Sandeep Badve

We had been contemplating replacing our siding which was in rough shape for quite some time. Over the years we contacted numerous contractors; some never respon...

#6
Union City Roof Masters
25 NorCal Score
5★★★★★(2 reviews)

2506 Village Dr, Union City, CA 94587, USA

★★★★★SHAIK OSMAN SHAIK SYDA

I had Union City Roof Masters come out yesterday and had a really positive experience. They were on time, professional, and very thorough with their work. Every...

#7
HOSO Windows and doors
25 NorCal Score
5★★★★★(1 reviews)

33508 Central Ave, Union City, CA 94587, USA

★★★★★Dinesh Kumar

I had an outstanding experience working with Rosalind at Hoso Windows and doors on two custom windows, each measuring 13 feet wide by 5 feet tall. From the ver...

#8
Roxy Glass
38 NorCal Score
4.4★★★★(97 reviews)

7401-A Morton Ave, Newark, CA 94560, USA

★★★★★Stephanie Garcia

I’m extremely happy with my recent installation of Roxy Glass. Darren and John did an incredible job. They checked in with me along the way to make sure I was h...

#9
Roadrunner Glass
33 NorCal Score
4.3★★★★(43 reviews)

4246 Peralta Blvd A, Fremont, CA 94536, USA

★★★★★Scott Chou

We are replacing our 50-year-old entry door, which has decorative side glass panels. We purchased the new glass from Roadrunner. David, the technician, came thi...

#10
Miller Interiors Door Company
24 NorCal Score
4★★★★(3 reviews)

33362 Dowe Ave, Union City, CA 94587, USA

★★★★★Zoe Smith

Jason repaired a pocket door my grandsons had knocked off the track with their roughhousing in just 30 minutes. He was at my door the very next day after I cal...

What Union City Customers Say About Local Windows Pros

★★★★★5/5

There's no window installation service, it's a fire station 😇

Robinson Flechasre: Equipar Windows
★★★★★5/5

Worked with Dave for awhile now and he has shown that he is a person of high integrity. This is a company that you will want to do business with!

Mark Bushre: Cal Coast Window & Door
★★★★★5/5

The KP Doors and Access team is professional and provides excellent service. They take pride in their work and stand behind it with integrity. We had an issue with something they i...

Liz Ramjohnre: KP Doors & Access
★★★★★5/5

The team at KP Doors were excellent to work with. Not only did they respond the same day, but they stayed in communication while waiting for additional parts to repair my warehouse...

Marshall Giorgire: KP Doors & Access

Windows Services Available in Union City, CA

Local windows companies in Union Cityoffer a range of services. Here's what you can expect:

How to Choose a Windows Company in Union City

Finding a reliable windows company in Union City, CA doesn't have to be stressful. Here are the key things to look for when hiring a windows service provider:

  • Check licensing and insurance — California requires windows companies to carry proper insurance. Verify their credentials before hiring.
  • Read customer reviews — Look for windows services in Union City with consistently high ratings (4+ stars) and detailed reviews from real customers.
  • Get multiple quotes — Compare at least 2–3 windows companies in Union City to ensure fair pricing. Be wary of quotes significantly below market rate.
  • Ask about guarantees — Reputable windows companies stand behind their work with satisfaction guarantees or warranties.
  • Local expertise mattersUnion City is known for diverse suburban city between fremont and hayward with 1970s–2000s family homes. Choose a windows company familiar with local property types and conditions.

Frequently Asked Questions About Windows in Union City

How much does window replacement cost in Union City?+
Window replacement in Union City typically costs $300–$1,200 per window installed, depending on size, material, and style. A full-house replacement (10–15 windows) averages $5,000–$15,000. Energy-efficient dual-pane windows qualify for federal tax credits up to $600.
What are the best windows for Union City's climate?+
For Union City's hot summers and mild winters, we recommend dual-pane vinyl or fiberglass windows with Low-E coating and argon gas fill. These reduce heat gain by up to 70% and can lower cooling costs by 15–25%.
How much does window repair cost?+
Window repair in Union City costs $100–$500 depending on the issue. Broken glass replacement runs $100–$300, seal repair $150–$350, and hardware fixes $75–$200.
Can foggy windows be repaired?+
Yes, foggy windows caused by seal failure can often be repaired by replacing the insulated glass unit (IGU) without replacing the entire window frame, saving 50–70% vs full replacement.
How much does new window installation cost?+
New window installation with framing costs $500–$2,000 per window in the Union City area. This includes structural modifications, framing, flashing, insulation, and interior/exterior trim work.
Do I need a permit for window installation?+
In most Union City-area municipalities, permits are required when changing the size of a window opening or adding new windows. Replacement of same-size windows typically does not require a permit. We handle all permitting.

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