Cali-GrafCali-Graf
For pros Sign in
BA
Electrical contractorConcord, CA

Bay Air Systems Inc

Licensed since 1984 · Corporation · 12 building permits on record

CSLB #450929 · ActiveWorkers' comp insuredBonded $25,000Verified website
License classes
C-4 Boiler, Hot Water Heating & Steam FittingC-10 ElectricalC-20 HVACC-36 Plumbing
12
Permits on record
1 jurisdiction
0
Permits in 3 years
last Mar 23, 2023

Work history

Building permits: City of Los Angeles

Permits by year

22019220205202232023
Data covers City of Los Angeles 2006–Oct 2026.

What they build

HVAC
12

Most recent permits

IssuedWorkJurisdictionZIP
Mar 23, 2023HVACCity of Los Angeles90015
Mar 15, 2023HVACCity of Los Angeles90015
Feb 17, 2023HVACCity of Los Angeles91344
Sep 7, 2022HVACCity of Los Angeles90039
Aug 24, 2022HVACCity of Los Angeles90038
Aug 17, 2022HVACCity of Los Angeles90039
Jul 1, 2022HVACCity of Los Angeles91331
Feb 11, 2022HVACCity of Los Angeles91345
Dec 1, 2020HVACCity of Los Angeles90032
Mar 3, 2020HVACCity of Los Angeles90045
Only the type of work, date and ZIP are shown — never homeowner names or street addresses.
Permits are matched to this contractor by CSLB license number on the permit

Where they work

Building permits

Jurisdictions

Los Angeles
12

Top ZIP codes

  • ZIP 900453
  • ZIP 900392
  • ZIP 900152
  • ZIP 900321
  • ZIP 900381
  • ZIP 913311
  • ZIP 913441
  • ZIP 913451
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#450929 · Active
  • Business typeCorporation
  • Issued · expiresJan 3, 1984 · Jan 31, 2028
  • OfficeConcord, CA 94520
  • CSLB record updatedOct 1, 2026
  • Contractor bond$25,000 · since Dec 28, 2025
  • Bond companyMerchants Bonding Company (mutual)
  • Workers' compensationWorkers' Compensation Insurance · until Oct 1, 2027
  • InsurerContinental Insurance Company (the)

License classes

C-4 Boiler, Hot Water Heating & Steam FittingC-10 ElectricalC-20 HVACC-36 Plumbing
Always confirm a license on cslb.ca.gov before signingCheck another license

About the company

bayairsystems.com

Services

CommercialHVAC
  • Founded1981
  • Websitebayairsystems.com
From the company's own website, checked Oct 8, 2026. Claims are the company's; we show where each came from.
Facts with links to the page they came from

Questions & answers

Is Bay Air Systems Inc licensed?
CSLB license #450929 is active, issued Jan 3, 1984 and valid through Jan 31, 2028, with classes C-4, C-10, C-20, C-36.
Is Bay Air Systems Inc insured and bonded?
CSLB lists workers' compensation insurance with Continental Insurance Company (the) until Oct 1, 2027 and a $25,000 contractor bond with Merchants Bonding Company (mutual).
How many jobs has Bay Air Systems Inc done?
Building permits name the company on 12 jobs, including 12 hvac.
Where does Bay Air Systems Inc work?
Most permits are in City of Los Angeles.

Sources

  1. Contractors State License Board — license, bond and workers' comp records (Oct 1, 2026).
  2. Building permits — City of Los Angeles.
  3. Company website — bayairsystems.com (checked Oct 8, 2026).
Answers use only the facts on this pageIs this your business? Update listing