Licensed Window Contractors Based in San Gabriel, California
Window replacement contractors in San Gabriel range from long-standing shops to 0 newer entrants licensed in the last two years. Every name below comes from the California license record, not a paid submission.
Licenses checked · California Contractors State License Board
3BIECC climate zone · ENERGY STAR South-Central zone
What San Gabriel's climate means for your window spec
Los Angeles-Long Beach-Anaheim, CA piles up about 1,145 heating degree days in a normal year, against 1,516 on the cooling side of the ledger.
That's the load an ENERGY STAR-rated window in the South-Central zone is built to handle.
A contractor pulled from San Gabriel's license record should be able to name the right U-factor for zone 3B before they ever measure an opening.
Data: U.S. EPA / DOE, ENERGY STAR, ENERGY STAR Version 7.0 Climate Zones by County/ZIP (Windows, Doors, and Skylights) (V7.0); Pacific Northwest National Laboratory (DOE Building America), Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270) (2021 IECC), from the nearest NOAA station 0.7 mi away.
15median years licensed
The license record behind these listings
The median window license active in San Gabriel has been on the books for 15 years.
A small slice, 1 of them, sit inside a 90-day window for renewal as of our last check, which is ordinary license-cycle timing rather than a mark against the business.
Match the number on any San Gabriel listing here against California's own lookup before you pick up the phone.
Data: California Contractors State License Board license records, checked 2026-09-30.
5 window replacement contractors based in San Gabriel
Listed A to Z by business name. No listed business paid for placement or position.
| Business | Category | License class | License no. | Status | Effective | Expires | ZIP | Official record |
|---|---|---|---|---|---|---|---|---|
| Ac Unique Glass INC | Window and glass contractor | C-17 Glazing | 973587 | Active | Jun 1, 2012 | Jun 30, 2028 | 91776 | Verify license |
| Rick De Vito / Devco Enterprises | Window and glass contractor | B General Building / C-17 Glazing | 645403 | Active | May 19, 1992 | May 31, 2028 | 91776 | Verify license |
| S B Monte | Window and glass contractor | C-17 Glazing | 1021360 | Active | Dec 1, 2016 | Nov 30, 2026 | 91776 | Verify license |
| Sweet Home Construction Services | Window and glass contractor | B General Building / C-17 Glazing | 899996 | Active | Jul 12, 2007 | Jul 31, 2027 | 91775 | Verify license |
| Tico Tech INC | Window and glass contractor | C-17 Glazing | 967571 | Active | Nov 9, 2011 | Nov 30, 2027 | 91775 | Verify license |
Questions to ask before you sign
- How long have you held your state license, and can I see the number?
- Is this a full-frame replacement or an insert into my existing frame, and why that one?
- Who pulls the permit, and does this change trigger an egress check on a bedroom window?
- What flashing and sill pan will you use, and in what order do you install them?
- If my home was built before 1978, is your crew lead-safe certified for this job?
- What's the completion date in writing, and what happens if the schedule slips?