5 window replacement contractors Based in Grass Valley
Window replacement contractors in Grass Valley 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
5BIECC climate zone · ENERGY STAR Northern zone
Climate and energy performance in Grass Valley
Grass Valley sits in IECC climate zone 5B, the starting point for any code-minimum window performance here.
ENERGY STAR places Nevada County in its Northern zone for window certification.
Normal temperatures run 43°F in January and 73°F in July, so the glass package worth paying for in Grass Valley 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 1.4 mi away.
30median years licensed
How long Grass Valley's window contractors have been licensed
Grass Valley counts 5 window replacement contractors in the state's own file, with the earliest entry dating to 1976.
100% of that list cleared a decade on their license before this page ever existed.
0 are new to the file within the last two years, working the same Grass Valley streets as shops with decades on record.
Data: California Contractors State License Board license records, checked 2026-09-30.
Window contractors licensed to work in Grass Valley, CA
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 |
|---|---|---|---|---|---|---|---|---|
| Grass Valley Glass INC | Window and glass contractor | C-17 Glazing | 609228 | Active | Jan 11, 1991 | Mar 31, 2028 | 95945 | Verify license |
| Jada INC | Window and glass contractor | C-17 Glazing | 986538 | Active | Sep 5, 2013 | Sep 30, 2027 | 95945 | Verify license |
| Moule Glass And Glazing | Window and glass contractor | C-17 Glazing | 318814 | Active | Apr 22, 1976 | Feb 29, 2028 | 95945 | Verify license |
| Pro Glass And Mirror INC | Window and glass contractor | C-17 Glazing | 834093 | Active | Mar 16, 2004 | Mar 31, 2028 | 95945 | Verify license |
| Rak Development | Window and glass contractor | B General Building / C-17 Glazing | 723170 | Active | May 23, 1996 | May 31, 2028 | 95949 | 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?