How many D62 air & water balancing contractors are licensed in California?

California has 121 contractors with a D62 (Air & Water Balancing) license from the Contractors State License Board. 115 (95%) hold active licenses. SiteVetter's D62 license lookup checks each against SAM.gov, OSHA, DOL, and EPA databases.

What does a D62 license cover in California?

A California D62 license covers air and water balancing contractors for hvac systems. Any contractor performing air & water balancing work valued at $500 or more must hold this license. The CSLB issues and regulates all contractor licenses in the state.

What percentage of air & water balancing contractors have federal violations?

4.1% of California air & water balancing contractors (5 out of 121) have at least one record in federal databases. These include SAM.gov debarments, DOL wage violations, OSHA safety citations, and EPA environmental violations.

D62 Air & Water Balancing Contractors in California - Page 2 | CSLB License Lookup

D62 Air & Water Balancing Contractor License Lookup

Use this page when you need a California D62 license lookup, a list of licensed air & water balancing contractors, or a quick screen before assigning air & water balancing work to a sub. Each row links to a contractor profile with CSLB status, workers' comp, bond, federal records, and permit checks.

California has 121 CSLB D62 license records for air & water balancing contractors. 95% currently hold active licenses and 4.1% have at least one federal compliance record. SiteVetter checks CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, EPA environmental records, and building permits in seconds.

What to Check for D62 Air & Water Balancing Contractors

Verify the contractor license is active and in good standing
Request proof of insurance and bonding
Get at least 3 written quotes before selecting a contractor
Check federal databases: SAM.gov, OSHA, DOL, and EPA records
Confirm bond: California requires $25,000+ contractor bond (SB 607)

Why Federal Records Matter for Air & Water Balancing Work

For air & water balancing work, 4.1% of licensed contractors have federal records that a standard CSLB license check would not reveal. SiteVetter's 6-source lookup gives GCs a faster way to compare subs before bid award, onboarding, or renewal review.

D62 Air & Water Balancing Contractors in California - Page 2

CSLB D62 License Scope

D62 Air & Water Balancing Contractor License Records

D62 Air & Water Balancing Contractor License Lookup

What to Check for D62 Air & Water Balancing Contractors

Why Federal Records Matter for Air & Water Balancing Work