11 window replacement contractors Based in Petaluma
Window replacement contractors in Petaluma 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
3CIECC climate zone · ENERGY STAR South-Central zone
What Petaluma's climate means for your window spec
Santa Rosa-Petaluma, CA piles up about 2,853 heating degree days in a normal year, against 317 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 Petaluma's license record should be able to name the right U-factor for zone 3C 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 1.6 mi away.
19median years licensed
The license record behind these listings
The median window license active in Petaluma has been on the books for 19 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 Petaluma 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.
Petaluma window and glazing licenses on file
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 |
|---|---|---|---|---|---|---|---|---|
| Adam's Glass And Repair | Window and glass contractor | C-17 Glazing | 976292 | Active | Aug 31, 2012 | Aug 31, 2028 | 94952 | Verify license |
| Advanced Building Solutions INC | Window and glass contractor | B General Building / C-17 Glazing | 867658 | Active | Nov 15, 2005 | Nov 30, 2027 | 94952 | Verify license |
| All Window & Door | Window and glass contractor | C-17 Glazing | 903140 | Active | Sep 6, 2007 | Sep 30, 2027 | 94954 | Verify license |
| Dassow Glass Company | Window and glass contractor | C-17 Glazing | 1004565 | Active | Jun 19, 2015 | Jun 30, 2027 | 94975 | Verify license |
| Folio Glass INC | Window and glass contractor | C-17 Glazing | 1030054 | Active | Aug 16, 2017 | Aug 31, 2027 | 94952 | Verify license |
| Golden State Lumber INC | Window and glass contractor | B General Building / C-17 Glazing | 749477 | Active | May 15, 1998 | May 31, 2028 | 94952 | Verify license |
| Maginn Windows & Glass | Window and glass contractor | C-17 Glazing | 995467 | Active | Aug 7, 2014 | Aug 31, 2028 | 94954 | Verify license |
| MJ Shower Doors | Window and glass contractor | C-17 Glazing | 1102663 | Active | Mar 20, 2023 | Mar 31, 2027 | 94954 | Verify license |
| Redwood Glass Company | Window and glass contractor | C-17 Glazing | 605295 | Active | Oct 24, 1990 | Nov 30, 2027 | 94952 | Verify license |
| Save Energy CO | Window and glass contractor | B General Building / C-17 Glazing | 440356 | Active | May 17, 1983 | May 31, 2027 | 94952 | Verify license |
| The Glass Shop Of The North Bay | Window and glass contractor | B General Building / C-17 Glazing | 501607 | Active | Nov 20, 1986 | Nov 30, 2026 | 94954 | 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?