Best Licensed HVAC Contractors in Sebastopol, CA
11 HVAC contractors registered in Sebastopol hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by years licensed.
- 177 active C-20 heating and air conditioning licenses in Sonoma County; 11 registered in Sebastopol
- California requires workers' compensation cover for C-20 licensees: 11 of Sebastopol's 11 licenses (100.0%) carry a current policy with CSLB
- Median time licensed in Sebastopol: 21 years
- Longest Sebastopol licensure: since 1989
- 13 county licenses reach their expiration date within 90 days
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- Verified
- August 17, 2026
- Licensed since
- 1989
- Expires
- 2027-01-31
- Phone
- (707) 695-6902
- Verified
- August 17, 2026
- Licensed since
- 1997
- Expires
- 2027-02-28
- Phone
- (707) 322-6564
- Verified
- August 17, 2026
- Licensed since
- 2000
- Expires
- 2028-02-29
- Phone
- (707) 824-4698
- Verified
- August 17, 2026
- Licensed since
- 2003
- Expires
- 2027-05-31
- Phone
- (707) 544-3900
- Verified
- August 17, 2026
- Licensed since
- 2003
- Expires
- 2028-02-29
- Phone
- (707) 974-1290
- Verified
- August 17, 2026
- Licensed since
- 2004
- Expires
- 2026-12-31
- Phone
- (707) 529-6524
- Verified
- August 17, 2026
- Licensed since
- 2006
- Expires
- 2028-04-30
- Phone
- (707) 523-1668
- Verified
- August 17, 2026
- Licensed since
- 2019
- Expires
- 2027-01-31
- Phone
- (707) 595-8500
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Rogers Services | #555201 | On file | 1989 |
| Atmosair Heating And Air Conditioning | #732398 | On file | 1997 |
| Hoyt Plumbing | #774469 | On file | 2000 |
| Zero Energy Associates | #820063 | On file | 2003 |
| Justin Lewis | #828413 | On file | 2003 |
| D L G Electric | #851506 | On file | 2004 |
Sonoma County HVAC licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 177 active C-20 heating and air conditioning licenses in Sonoma County, 11 of them registered in Sebastopol. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Sebastopol license has been held 21 years, and the longest-standing one dates to 1989. California law requires workers' compensation cover for C-20 licensees, so it is a legal baseline rather than a way to tell two contractors apart: 11 of Sebastopol's 11 licenses (100.0%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 177 of the county's 177 licenses carry the same $25,000 bond California sets by statute. 13 county licenses reach their 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.
HVAC Contractors in Sebastopol: common questions
How many licensed HVAC contractors are there in Sebastopol?
11 active C-20 heating and air conditioning licenses are registered in Sebastopol, out of 177 across Sonoma County. 11 Sebastopol-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses CSLB shows as CLEAR and unexpired are listed.
Does California license HVAC contractors?
Yes. California licenses contractors by classification, and C-20 is the CSLB classification that authorises this work. 11 active C-20 heating and air conditioning licenses are registered in Sebastopol and 177 across Sonoma County, the longest-standing issued in 1989. Only CLEAR, unexpired licenses appear here.
How do I check an HVAC 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 California requires of C-20 licensees and 11 of Sebastopol's 11 currently carry. 13 Sonoma County licenses expire within 90 days.