Best Licensed HVAC Contractors in Glendora, CA
33 HVAC contractors registered in Glendora hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by years licensed.
- 2,674 active C-20 heating and air conditioning licenses in Los Angeles County; 34 registered in Glendora
- California requires workers' compensation cover for C-20 licensees: 32 of Glendora's 34 licenses (94.1%) carry a current policy with CSLB
- Median time licensed in Glendora: 17 years
- Longest Glendora licensure: since 1975
- 206 county licenses reach their expiration date within 90 days
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- Verified
- August 17, 2026
- Licensed since
- 1975
- Expires
- 2026-09-30
- Phone
- (626) 963-9810
- Verified
- August 17, 2026
- Licensed since
- 1980
- Expires
- 2028-06-30
- Phone
- (626) 335-0574
- Verified
- August 17, 2026
- Licensed since
- 1988
- Expires
- 2028-04-30
- Phone
- (626) 914-3605
- Verified
- August 17, 2026
- Licensed since
- 1989
- Expires
- 2028-08-31
- Phone
- (626) 963-3313
- Verified
- August 17, 2026
- Licensed since
- 1990
- Expires
- 2028-08-31
- Phone
- (626) 914-7069
- Verified
- August 17, 2026
- Licensed since
- 1991
- Expires
- 2027-10-31
- Phone
- (626) 480-1811
- Verified
- August 17, 2026
- Licensed since
- 1991
- Expires
- 2028-02-29
- Phone
- (626) 332-8200
- Verified
- August 17, 2026
- Licensed since
- 1994
- Expires
- 2028-04-30
- Phone
- (626) 926-1689
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Cypress Heating & Air Conditioning | #302865 | On file | 1975 |
| Glendora Plumbing & Heating Inc. | #388123 | On file | 1980 |
| King Unlimited | #523208 | On file | 1988 |
| Jordanair Inc. | #560429 | On file | 1989 |
| Re Air Inc. | #595054 | On file | 1990 |
| B-p Air Inc. | #631883 | On file | 1991 |
Los Angeles County HVAC licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 2,674 active C-20 heating and air conditioning licenses in Los Angeles County, 34 of them registered in Glendora. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Glendora license has been held 17 years, and the longest-standing one dates to 1975. 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: 32 of Glendora's 34 licenses (94.1%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 2,672 of the county's 2,674 licenses carry the same $25,000 bond California sets by statute. 206 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 Glendora: common questions
How many licensed HVAC contractors are there in Glendora?
34 active C-20 heating and air conditioning licenses are registered in Glendora, out of 2,674 across Los Angeles County. 33 Glendora-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. 34 active C-20 heating and air conditioning licenses are registered in Glendora and 2,674 across Los Angeles County, the longest-standing issued in 1975. 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 32 of Glendora's 34 currently carry. 206 Los Angeles County licenses expire within 90 days.