1. [Wage rates](https://wagepilot.ai/prevailing-wage) 2. [California](https://wagepilot.ai/prevailing-wage/california) 3. Insulators (heat and frost) California prevailing wage rates # Insulators (heat and frost): Davis-Bacon rates in California 24 insulator rates across 18 of California’s 28 active wage determinations. Base rates run from $21.60 to $84.76 an hour (median $56.32), before fringe. The right rate depends on the county, the construction type and the work performed. Classification Determination Counties Type Base Fringe ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260001](https://wagepilot.ai/prevailing-wage/california/ca20260001) San Diego County Building, Heavy, Highway, Residential $56.32 $26.52 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260001](https://wagepilot.ai/prevailing-wage/california/ca20260001) San Diego County Building, Heavy, Highway, Residential $56.32 $26.52 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260002](https://wagepilot.ai/prevailing-wage/california/ca20260002) Imperial County Building, Heavy, Highway $56.32 $26.52 ASBESTOS WORKERS/INSULATOR: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260004](https://wagepilot.ai/prevailing-wage/california/ca20260004) Del Norte, Humboldt and 2 more counties Heavy, Highway $64.56 $25.07 ASBESTOS WORKERS/INSULATOR: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260004](https://wagepilot.ai/prevailing-wage/california/ca20260004) Del Norte, Humboldt and 2 more counties Heavy, Highway $64.56 $25.07 INSULATOR/ASBESTOS WORKER (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTEC… [CA20260005](https://wagepilot.ai/prevailing-wage/california/ca20260005) Del Norte, Humboldt and 2 more counties Building $21.60 $5.61 ASBESTOS WORKERS/INSULATOR: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260007](https://wagepilot.ai/prevailing-wage/california/ca20260007) Lassen, Alpine and 22 more counties Building, Heavy, Highway $84.76 $25.07 ASBESTOS WORKERS/INSULATOR: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260007](https://wagepilot.ai/prevailing-wage/california/ca20260007) Lassen, Alpine and 22 more counties Building, Heavy, Highway $64.56 $25.07 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260012](https://wagepilot.ai/prevailing-wage/california/ca20260012) San Luis Obispo County Building, Heavy, Highway $56.32 $26.52 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260014](https://wagepilot.ai/prevailing-wage/california/ca20260014) Santa Barbara County Building, Heavy, Highway $56.32 $26.52 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260015](https://wagepilot.ai/prevailing-wage/california/ca20260015) Ventura County Building, Heavy, Highway $56.32 $26.52 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260017](https://wagepilot.ai/prevailing-wage/california/ca20260017) Los Angeles, Orange and 6 more counties Residential $56.32 $26.52 ASBESTOS WORKERS/INSULATOR: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260018](https://wagepilot.ai/prevailing-wage/california/ca20260018) Madera, Fresno and 15 more counties Building, Heavy, Highway $84.76 $25.07 ASBESTOS WORKERS/INSULATOR: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260018](https://wagepilot.ai/prevailing-wage/california/ca20260018) Madera, Fresno and 15 more counties Building, Heavy, Highway $64.56 $25.07 ASBESTOS WORKERS/INSULATOR: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260019](https://wagepilot.ai/prevailing-wage/california/ca20260019) Monterey, San Benito and 16 more counties Residential $84.76 $25.07 ASBESTOS WORKERS/INSULATOR: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260019](https://wagepilot.ai/prevailing-wage/california/ca20260019) Monterey, San Benito and 16 more counties Residential $64.56 $25.07 INSULATOR/ASBESTOS WORKER: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTEC… [CA20260020](https://wagepilot.ai/prevailing-wage/california/ca20260020) Mono, Kern and 1 more counties Building, Heavy, Highway $56.32 $26.52 ASBESTOS WORKERS/INSULATOR: INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260020](https://wagepilot.ai/prevailing-wage/california/ca20260020) Mono, Kern and 1 more counties Building, Heavy, Highway $64.56 $25.07 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260021](https://wagepilot.ai/prevailing-wage/california/ca20260021) Tulare County Heavy, Highway $64.56 $25.07 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260022](https://wagepilot.ai/prevailing-wage/california/ca20260022) Los Angeles County Building, Heavy, Highway $56.32 $26.52 INSULATOR/ASBESTOS WORKER (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTEC… [CA20260023](https://wagepilot.ai/prevailing-wage/california/ca20260023) Amador County Building $24.85 $5.61 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260024](https://wagepilot.ai/prevailing-wage/california/ca20260024) Orange County Building, Heavy, Highway $56.32 $26.52 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260025](https://wagepilot.ai/prevailing-wage/california/ca20260025) Riverside County Building, Heavy, Highway $56.32 $26.52 ASBESTOS WORKERS/INSULATOR (INCLUDES THE APPLICATION OF ALL INSULATING MATERIALS, PROTE… [CA20260026](https://wagepilot.ai/prevailing-wage/california/ca20260026) San Bernardino County Building, Heavy, Highway $56.32 $26.52 Classifications are shortened to their first line here; the determination page has the full text, including scope notes and zone conditions. **About these rates** WagePilot mirrors Davis-Bacon general wage determinations from SAM.gov, the official source, and re-checks each one daily. The wage determination incorporated in your contract governs, including its modification number, footnotes and any conformed classifications. WagePilot reviews payroll; it does not file, certify or give legal advice. --- Source: https://wagepilot.ai/prevailing-wage/california/insulators (last updated 2026-10-15)