Optimum Heating and Air Conditioning
Glendora · Los Angeles County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Optimum Heating and Air Conditioning in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 20 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #856737 verify on CSLB ↗
- Classifications
- C-20
- Years licensed
- 21.3 years since 03/30/2005
- Contractor bond
- $25,000 NATIONWIDE MUTUAL INSURANCE COMPANY
- Workers’ comp
- Current CONTINENTAL CASUALTY COMPANY
- Business type
- Sole Owner
- Qualifying principal
- John David Preston
- Address of record
- 1123 Allen Ave, Glendora, CA 91740
Frequently Asked Questions
Is Optimum Heating and Air Conditioning a licensed HVAC contractor in California?
Yes. Optimum Heating and Air Conditioning holds California CSLB contractor license #856737 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.
What work is Optimum Heating and Air Conditioning licensed to perform?
License #856737 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).
Is Optimum Heating and Air Conditioning bonded?
Yes. Optimum Heating and Air Conditioning carries contractor's bond #7900637214 for $25,000 through NATIONWIDE MUTUAL INSURANCE COMPANY.
Does Optimum Heating and Air Conditioning carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with CONTINENTAL CASUALTY COMPANY, with a policy expiration of 01/01/2027.
How long has Optimum Heating and Air Conditioning held its contractor license?
License #856737 was originally issued on 03/30/2005, approximately 21 years ago (as of July 2026).
Where is Optimum Heating and Air Conditioning located?
Optimum Heating and Air Conditioning is based in Glendora, Los Angeles County, CA 91740.