Best Licensed Solar Contractors in Grass Valley, CA
5 solar companies registered in Grass Valley hold current CSLB licenses, verified against official records as of August 17, 2026. All 5 are listed below, ordered by workers' compensation cover and years licensed.
- 7 active C-46 solar licenses in Nevada County; 5 registered in Grass Valley
- 4 of Grass Valley's 5 licenses (80.0%) carry current workers' compensation cover, not liability insurance; a blank usually means an owner-operator with no employees
- Median time licensed in Grass Valley: 26 years
- Longest Grass Valley licensure: since 1988
- 1 county license reaches its expiration date within 90 days
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- Verified
- August 17, 2026
- Licensed since
- 1988
- Phone
- (530) 272-8171
- Verified
- August 17, 2026
- Licensed since
- 1991
- Phone
- (530) 272-6351
- Verified
- August 17, 2026
- Licensed since
- 2000
- Phone
- (530) 263-7838
- Verified
- August 17, 2026
- Licensed since
- 2021
- Phone
- (530) 838-5358
- Verified
- August 17, 2026
- Licensed since
- 2009
- Phone
- (530) 583-9363
Compare the top 5 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Grass Valley Air Conditioning Inc. | #543093 | On file | 1988 |
| Brewer Refrigeration Heating And Airconditioning Inc. | #608848 | On file | 1991 |
| Thomas J Ivy | #776172 | On file | 2000 |
| T-rex Solar Inc. | #1081160 | On file | 2021 |
| Betmar Construction | #935976 | Exempt or none on file | 2009 |
Nevada County solar licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 7 active C-46 solar licenses in Nevada County, 5 of them registered in Grass Valley. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Grass Valley license has been held 26 years, and the longest-standing one dates to 1988. 4 of Grass Valley's 5 licenses (80.0%) carry current workers' compensation cover in CSLB's file. That is employee injury cover, not liability insurance, and a blank usually means an owner-operator with no employees - lawful, and not a mark against anyone. The contractor bond is not a signal here: 7 of the county's 7 licenses carry the same $25,000 bond California sets by statute. 1 county license reaches its expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.
Solar Contractors in Grass Valley: common questions
How many licensed solar contractors are there in Grass Valley?
5 active C-46 solar licenses are registered in Grass Valley, out of 7 across Nevada County. 5 Grass Valley-registered companies passed our license verification, and all 5 are listed on this page. Only licenses CSLB shows as CLEAR and unexpired are listed.
Does California license solar contractors?
Yes. California licenses contractors by classification, and C-46 is the CSLB classification that authorises this work. 5 active C-46 solar licenses are registered in Grass Valley and 7 across Nevada County, the longest-standing issued in 1988. Only CLEAR, unexpired licenses appear here.
How do I check a solar contractor's license in California?
Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which 4 of Grass Valley's 5 currently carry. 1 Nevada County license expires within 90 days.
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