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Licensed solar contractors in Concord
13 contractors with a Concord mailing address hold an active (CLEAR) CSLB C-46 Solar license in CSLB's license file dated Oct 20, 2026. Get quotes from up to 3 of them →
This page lists C-46 Solar licensees. Electrical (C-10) and B General Building contractors can also install solar systems under CSLB rules. They aren't listed here.
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Ad space · openAdvertise here
A Featured spot on this solar page for Concord is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →
All 13 licensed solar contractorsOrder: A–Z by business name (neutral, stated). Showing 1–13.
ALCOR ENTERPRISES
C-46 · also B · Lic. #559721 · Concord 94518
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DANNY B MEINECKE DBA REFRESHED HEATING & COOLING
C-46 · also C-20 · Lic. #697406 · Concord 94520
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DIABLO SOLAR SERVICES INC
C-46 · also C-10 · Lic. #454228 · Concord 94520
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ECO SOLAR
C-46 · also D-35 · Lic. #899476 · Concord 94521
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FREDERICK VON STIEFF
C-46 · Lic. #1079483 · Concord 94521
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FRESCHI AIR SYSTEMS LLC
C-46 · also B, C-20, C-36 · Lic. #1077999 · Concord 94520
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GREEN AIR HEATING AND AIR CONDITIONING INC
C-46 · also B, C-10, C-20 · Lic. #916517 · Concord 94520
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HIGH DEFINITION SOLAR INC DBA HIGH DEFINITION SOLAR CONSTRUCTION
C-46 · also B, C-39 · Lic. #949189 · Concord 94520
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HOMEXPERTS INC
C-46 · also B, C-39 · Lic. #1053003 · Concord 94520
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
N V HEATHORN CO
C-46 · also A, B, C-2, C-4… · Lic. #761659 · Concord 94520
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SWIFT CERTIFIED MECHANICAL
C-46 · also C-20, C-36, C-38 · Lic. #717212 · Concord 94521
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
UPKEEP INDUSTRIES INC
C-46 · also B, C-10, C-15, C-36 · Lic. #993919 · Concord 94520
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
WEST COAST SOLAR INC
C-46 · also C-10 · Lic. #908549 · Concord 94520
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026