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Licensed air & water balancing contractors in Southern California
Every CSLB D-62 license with a business address in Los Angeles, Orange, San Diego, Riverside or San Bernardino County, from CSLB data updated 10/22/2026.
By county
Los Angeles County has the most, 26 of 64 (40.6%).
| County | Licenses | Active | Share of SoCal |
|---|---|---|---|
| Los Angeles County | 26 | 25 | 40.6% |
| Orange County | 14 | 14 | 21.9% |
| Riverside County | 11 | 10 | 17.2% |
| San Diego County | 10 | 10 | 15.6% |
| San Bernardino County | 3 | 3 | 4.7% |
Air & Water Balancing (D-62) by city
- San Diego 4
- Glendale 3
- Corona 3
- Riverside 3
- Covina 3
- Anaheim 3
- Los Angeles 2
- Palm Desert 2
- San Dimas 2
- Orange 2
- Pasadena 2
- El Cajon 2
- Huntington Beach 1
- Cypress 1
- Lake Forest 1
- La Jolla 1
- Walnut 1
- Lakewood 1
- Irvine 1
- Bermuda Dunes 1
- Sunland 1
- Brea 1
- Granada Hills 1
- Midway City 1
- Woodland Hills 1
- La Habra 1
- Gardena 1
- Altadena 1
- Upland 1
- San Clemente 1
- Rancho Cucamonga 1
- Monrovia 1
- Buena Park 1
- Alpine 1
- Hesperia 1
- Downey 1
- Sylmar 1
- Glendora 1
- Escondido 1
- San Marcos 1
- Whittier 1
- La Quinta 1
- Long Beach 1
- Beaumont 1
No new licenses for Air & Water Balancing (D-62) across SoCal
None issued Oct 16 – Oct 22, 2026.
Quick facts
How many licensed air & water balancing contractors are in Southern California?
64 air & water balancing contractors with a California CSLB license list a business address in Southern California. 62 of them have an active license in good standing (CSLB data as of 10/22/2026).
How many air & water balancing contractors in Southern California have a license problem right now?
2 are not in good standing right now, including 1 suspended for missing workers' comp. 6 active licenses expire within 90 days. Each county and city list linked here shows the status and a plain-English OK-to-hire verdict.
How do I check if an air & water balancing contractor is licensed?
Search the business name or license number on LicenseWatch CA to see license status, bond and workers' comp in one place, then confirm on the CSLB website before you sign a contract. In California, work over $1,000 in labor and materials requires a licensed contractor.
New and lapsed SoCal licenses, every Monday
New licenses, expirations and workers' comp lapses across five counties. One short email a week.