12 window replacement contractors Based in Chatsworth
Window replacement contractors in Chatsworth 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 Chatsworth's climate means for your window spec
Chatsworth sits in IECC climate zone 3B, the starting point for any code-minimum window performance here.
ENERGY STAR places Los Angeles County in its South-Central zone for window certification.
Normal temperatures run 57°F in January and 77°F in July, so the glass package worth paying for in Chatsworth isn't the same one that pencils out two zones over.
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 5.5 mi away.
14median years licensed
The license record behind these listings
The median window license active in Chatsworth has been on the books for 14 years.
A small slice, 0 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 Chatsworth 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.
12 window replacement contractors based in Chatsworth
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 |
|---|---|---|---|---|---|---|---|---|
| California Deluxe Windows | Window and glass contractor | B General Building / C-17 Glazing | 774518 | Active | Feb 3, 2000 | Feb 29, 2028 | 91311 | Verify license |
| Fine Windows & Doors Replacement INC | Window and glass contractor | C-17 Glazing | 987714 | Active | Oct 16, 2013 | Oct 31, 2027 | 91311 | Verify license |
| German Custom Glass And Mirror | Window and glass contractor | C-17 Glazing | 980083 | Active | Jan 12, 2013 | Jan 31, 2027 | 91311 | Verify license |
| Heart & Soul Custom Window & Glass Door Installation INC | Window and glass contractor | C-17 Glazing | 1067010 | Active | Jul 16, 2020 | Dec 31, 2026 | 91311 | Verify license |
| Intrepid Glass & Mirror INC | Window and glass contractor | C-17 Glazing | 972114 | Active | Apr 16, 2012 | Apr 30, 2028 | 91311 | Verify license |
| J Michael Designs INC | Window and glass contractor | C-17 Glazing | 968014 | Active | Nov 30, 2011 | Nov 30, 2027 | 91311 | Verify license |
| Lance Glass | Window and glass contractor | C-17 Glazing | 1057902 | Active | Sep 9, 2019 | Sep 30, 2027 | 91313 | Verify license |
| My Glass Guy | Window and glass contractor | C-17 Glazing | 1008653 | Active | Nov 3, 2015 | Nov 30, 2027 | 91311 | Verify license |
| Progressive Insulation & Windows | Window and glass contractor | B General Building / C-17 Glazing | 418046 | Active | Feb 18, 1982 | Feb 29, 2028 | 91311 | Verify license |
| S C Protective Glass Laminates & Coatings | Window and glass contractor | C-17 Glazing | 746519 | Active | Mar 3, 1998 | Mar 31, 2028 | 91311 | Verify license |
| Silva Glassworks INC | Window and glass contractor | C-17 Glazing | 909932 | Active | Jan 31, 2008 | Jan 31, 2028 | 91311 | Verify license |
| The Sliding Door Company | Window and glass contractor | C-17 Glazing | 1017209 | Active | Aug 12, 2016 | Aug 31, 2028 | 91311 | 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?