Stewart Air Systems
Stewart Air Systems is an Irwindale, California HVAC company holding CSLB license #975647, verified against state records, licensed since 2012.
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- Licensed HVAC Contractors in Irwindale, CA - ranked #1 of 3 listed
Every licensed hvac contractors page in California: all licensed hvac contractors in California. Nearest large market for this trade (26 miles): HVAC Contractors in Los Angeles, CA.
License verification
License-Verified- CLEARCSLB #975647(C20)
- Original license date
- 2012-08-07
- Expires
- 2028-08-31
- Workers' comp cover through
- 2027-02-25 (EVEREST PREMIER INSURANCE COMPANY)
On CSLB's register since 2012-08-07, 14 years before our 2026-09-04 check. CSLB classifications on this record: C-20 (Warm-Air Heating, Ventilating and Air-Conditioning). Term on file to 2028-08-31. Bond: $25,000, California's statutory amount, with JET INSURANCE COMPANY.
Last verified 2026-09-04 · Verify at the state registry
Verification history
- 2026-09-04 · checked against the state file · status: CLEAR
Contact
- Phone
- (626) 498-7770
- Address
- 5277 N VINCENT AVE 15, Irwindale, CA 91706
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Common questions
- Is Stewart Air Systems licensed in California?
- Stewart Air Systems holds CSLB license #975647, status CLEAR as of our 2026-09-04 verification. The full credential detail, including any others on record, is in the verification section of this page.
- What does CSLB class C-20 mean on Stewart Air Systems's license?
- CSLB records it as C-20, Warm-Air Heating, Ventilating and Air-Conditioning. The codes come from the register itself, and our class-code glossary explains each one in the agency's own words.
- How long has Stewart Air Systems held its CSLB credential?
- CSLB has carried the record since 2012-08-07. That is the original date the register publishes; it is not a claim about how long the company has traded, which no register we check publishes.
- When was Stewart Air Systems's record last checked?
- 2026-09-04. Registers with a download feed are re-checked within 9 days; the 4 we fetch by hand (ROC, DCA, SPCB, FDACS) within 45 days. Every listing shows the date its credential was last verified, and a credential that lapses stops being claimed at the next rebuild.
- How can I verify Stewart Air Systems myself?
- Look up license #975647 in the official CSLB search - this page links it next to the credential. We publish the number precisely so you never have to take our word for it.