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Business ProfileWindow Installers in Costa Mesa, California

Window HQ

Taking Calls in Costa Mesa Today 4.90 (40 reviews)(949) 245-3294

Window HQ

Window HQ is a Costa Mesa window and door company serving Orange County, Los Angeles, San Diego, Palm Springs and surrounding areas. It serves residential and commercial properties with custom-designed window and door options.

Last Updated October 2, 2026.

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Business Highlights
  • Window HQ is locally and family owned.
  • Window HQ has over 40 years of industry experience.
  • Its team includes Certified Installation Masters and Instructors.
  • Window HQ is fully licensed and insured.
  • Window HQ offers turnkey projects with white-glove service.
  • Warranty coverage is available on materials and installation.
Service Area

Orange County, Los Angeles, San Diego and Palm Springs, plus surrounding areas.

Local Business Taking Calls

Window HQ is one of 8 window installers ProsGrade lists in Costa Mesa, California.

Taking Calls
Taking calls through ProsGrade
Listing details

6 services listed, including Window and door installation, Window and door replacement and Window maintenance and upgrades. Open weekdays, closed on weekends. Rated 4.9 from 40 reviews.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

How Window HQ compares with the other 7 window installers on ProsGrade in Costa Mesa, using public Google ratings and review counts.

  • Ranks in the top half of the 8 Costa Mesa window installers on ProsGrade by Google rating and review volume.
  • Rated 4.9 on Google, at or above the 4.8 average of other Costa Mesa window installers on ProsGrade.
  • Has more Google reviews (40) than 4 of the 7 other Costa Mesa window installers on ProsGrade.
  • One of 5 Costa Mesa window installers on ProsGrade rated 4.7 or higher from at least 10 reviews.

Services Covered

6 services
  • Window and door installation
  • Window and door replacement
  • Window maintenance and upgrades
  • Window stylesDouble-hung, casement, sliding and specialty-shaped.
  • Door stylesEntry, patio, bifold, sliding and interior.
  • Window and door materialsVinyl, fiberglass, wood, aluminum and steel.

Reviews

What customers say

Customers praise the teams’ attention to detail, professionalism and courtesy. One homeowner says Window HQ kept an older home’s character while updating its windows and doors, and helped build a custom front door. Another customer appreciated the in-house installation team and praised the crew’s dust mitigation.

Customer Reviews

Joseph M Riggio

WHQ did a great job throughout. They helped identify and solve specific problems anticipated and were attentive to working with the solution. The end result is exactly what was desired. We would definitely use WHQ again have all the same subs work with us. They were polite, considerate, and trustworthy
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Kevin McKenna

The entire team had great attention to detail. Our home is a 90 year old home and they were able to maintain the character and charm of an older home with beautiful, updated windows and doors throughout our home. They also assisted us to build a custom front door. Quality of work is excellent from how the windows are manufactured to the high quality of the installation process.
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David Robins

Jake and the Windows HQ team were great. The came on time and measuredand ordered the windows. He quotes a price and was a great deal. They were delivered on the day he said, and installed them the next day. His team of installers were friendly and got the job done. I highly recommend Windows HQ.
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Larry Atkins

We asked Jake and Windows HQ to replace and install 3 windows and a glass door that had leaked water after the winter rains. My wife and I love our new windows and appreciate the professionalism, expertise and courtesy that Jake and his workers demonstrated throughout the entire process, from the initial consultation until completion. This is team with an A+ game and pride in their work. Thanks Jake!
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Greg Meyer

I purchased two windows, a front door, and two outdoor solid wood gates from Window HQ. Everything was absolutely beautiful. They also have a top notch installation team headed by Jake White. The installation was done in a timely fashion, very professional and detailed, and their dust mitigation is the best I’ve seen. It is very rare to find a place that will sell you windows and also have an in house top notch install team. If you need windows for your business or home, this is the place to go!!!!
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Frequently Asked Questions

How does a Window HQ showroom consultation work?

Showroom visits begin with a one-on-one consultation and a tour of window and door displays. Consultants discuss brands and product features.

Does Window HQ handle permits and project coordination?

Window HQ manages necessary permits and coordinates the project. This includes scheduling, product delivery and installation logistics.

How long does a Window HQ installation take?

Timing varies with the project’s size and complexity; most installations are completed within a few days to a couple of weeks.

How does Window HQ’s warranty coverage work?

Coverage varies by product and manufacturer. Window HQ explains the coverage terms, duration and inclusions.