Skip to content Skip to footer
Modern Bay Area living room with floor-to-ceiling black aluminum-framed windows installed by Insight Glass
Bay Area Windows, Doors, Railings and Storefronts

Windows, Doors, Glass Railings and Storefronts for the Bay Area

Insight Glass has supplied and installed windows, patio doors, glass railings and commercial storefront systems across the San Francisco Bay Area since 1987. Licensed, experienced installation crews. Free in-home and on-site estimates.

(707) 746-6571Or call us directly
Since 1987Serving the Bay Area
CSLB License #599566Licensed, bonded and insured
20-Year WarrantyManufacturer warranty on windows and doors
Residential and CommercialHomes, multifamily, retail and office
What We Do

Windows, Doors, Railings and Glass for Every Bay Area Project

One licensed team for residential replacements, new construction, glass railings and commercial storefront work.

Homeowners

Upgrade Your Home's Windows, Railings and Glass

Replacing windows, adding a glass railing or upgrading a shower? We handle measurement, permits, installation and cleanup, and every window and door carries a 20-year manufacturer warranty.

Builders, Architects and Property Managers

Commercial Glazing Delivered on Schedule and to Spec

From production housing to hotels and storefronts, our commercial team supplies and installs windows, storefront framing and glass railings on schedule and to spec.

Frameless glass railing on a Bay Area deck with an open view
Glass Railings

Glass Railings That Keep the View Open

Insight Glass installs tempered and laminated glass railing systems for decks, balconies, staircases and pool areas throughout the Bay Area. Choose a frameless base-shoe system for an uninterrupted view or a semi-frameless post system for a lower cost per foot. Every installation meets the California Building Code guard height and load requirements, so it passes inspection the first time.

Commercial storefront windows and entrance installed by Insight Glass
Commercial Storefront

Storefront Windows and Entrances for Bay Area Businesses

We supply and install aluminum storefront framing, tempered and insulated storefront glass, and commercial entrance doors for retail, restaurants, offices and mixed-use buildings. Our crews work around your business hours and coordinate with your general contractor or property manager from bid to final walkthrough.

Insight Glass headquarters in Benicia, California
Our Story

The Insight Glass Difference

Headquartered in Benicia, Insight Glass has installed windows, doors, railings and commercial glass across the Bay Area for nearly four decades.

Since 1987Nearly four decades installing windows and glass across the Bay Area.
CSLB #599566Licensed, bonded and insured California contractor.
20-Year WarrantyManufacturer warranty on all of our windows and doors.
Professional InstallationExperienced, skilled installers on every residential and commercial job.

Insight Glass is headquartered at 393 E Channel Rd, Benicia, and serves Solano, Contra Costa, Alameda, Napa, Marin, San Mateo, Santa Clara and Sonoma counties, plus San Francisco, Sacramento, Stockton and Davis.

How It Works

From Free Estimate to Finished Install in Four Steps

1

Request an Estimate

Call or send the form. We schedule a visit within days.

2

Measure and Quote

We measure on site, review glass and frame options, and give you a written price.

3

Order and Schedule

Product lead time is confirmed and your install date is set.

4

Install and Clean Up

Our crew installs, inspects and leaves the site clean.

Start With a Free Estimate
Service Area

Serving the San Francisco Bay Area and Beyond

Headquartered in Benicia, with crews working across nine Bay Area counties plus Sacramento, Stockton and Davis.

Solano County

  • Benicia (HQ)
  • Vallejo
  • Suisun City
  • Fairfield
  • Vacaville
  • Dixon

Napa and Sonoma Counties

  • Napa
  • American Canyon
  • Petaluma
  • Santa Rosa

Marin County

  • San Rafael
  • Tiburon
  • Sausalito
  • Mill Valley
  • Novato

San Mateo County

  • Daly City
  • South San Francisco
  • San Bruno
  • Pacifica
  • Millbrae
  • Burlingame
  • San Mateo
  • Foster City
  • Belmont
  • San Carlos
  • Redwood City
  • Menlo Park

Santa Clara County

  • Milpitas
  • Palo Alto
  • Mountain View
  • Sunnyvale
  • Santa Clara
  • Cupertino
  • Campbell
  • San Jose
  • Los Gatos
  • Saratoga

San Francisco and Beyond

  • San Francisco
  • Sacramento
  • Stockton
  • Davis
Reviews

What Bay Area Homeowners and Builders Say

★★★★★

"I've dealt with my share of glass shops renovating one or two homes a year. Insight Glass are my new favorites. The estimator was on time and had some great suggestions that saved money and increased the look of the home. The estimate included a breakdown of each window in each room, the windows came a few days before the expected date, and the delivery guys brought them upstairs into the individual rooms. Overall a great experience."

John HGoogle review
★★★★★

"Insight Glass is a great shop with excellent service and fast delivery. I used their service for my house to change all windows and patio doors. They offered the best deal and professional service. I am really happy about it!"

Sk KGoogle review
★★★★★

"Insight Glass Inc. are always very helpful. Great service. They care."

Gerald JonesGoogle review
Read More Reviews on Google
Our Blog

Guides and Insights for Bay Area Windows, Railings and Storefronts

Pricing guides, code explainers and buying advice from the Insight Glass team.

FAQ

Frequently Asked Questions

Quick answers on service area, pricing, railings, commercial work and permits. Call (707) 746-6571 for anything not covered here.

The greater San Francisco Bay Area, including Solano, Contra Costa, Alameda, Napa, Marin, San Mateo, Santa Clara and Sonoma counties, plus San Francisco, Sacramento, Stockton and Davis. We are headquartered in Benicia.

Most Bay Area projects fall between $450 and $2,200 per window installed, with a typical middle range of $700 to $1,200 depending on frame material, glass package, size and access. See our window replacement cost guide for a full breakdown.

Yes. We install frameless and semi-frameless glass railing systems for decks, balconies, staircases and pool areas, all built to the California Building Code guard height and load requirements. Learn more on our glass railings page.

Yes. Our commercial team supplies and installs aluminum storefront framing, storefront glass, commercial entrance doors and windows for multifamily, hotel, office, affordable housing and senior housing projects. Start with our commercial glazing services.

Vinyl, fiberglass and aluminum frames from manufacturers such as Milgard, Andersen and Amsco.

Yes. We install ENERGY STAR rated windows with Low-E glass options that meet California Title 24 energy code requirements for Bay Area climate zones. Read our energy-efficient windows guide.

It varies by city. Like-for-like retrofit replacements often do not need a permit, while changing a window size, adding egress or structural work usually does. We confirm requirements with your local building department before work begins.

A typical residential window replacement takes one to three days once product arrives. Glass railings usually install in one to two days. Commercial storefront and multifamily timelines depend on scope and are set during bidding.

Contact Us

Have Questions? Get in Touch

Call, email or use the estimate form at the top of the page, and we will follow up within one business day. Visit our Benicia showroom to see windows, doors and glass railing samples in person.

Subscribe for the updates!



    Privacy Policy | Terms & Conditions