What apprenticeships are available for insulation workers in California?

In California, registered apprenticeships are administered through the California Division of Apprenticeship Standards - Registered Apprenticeship, which works with employers and trade union locals to register programs. See the apprenticeship section above for office contact details.

How to Become an Insulation Worker in California (2026)

Q: How much do insulation workers earn in California?

According to the U.S. Bureau of Labor Statistics OEWS data (May 2025), insulation workers in California earned a median annual wage of approximately $48,840. Employment concentration in California is roughly 0.59 of the national average, meaning fewer workers per capita than the U.S. as a whole.

Q: What is the job outlook for insulation workers in California?

California currently employs approximately 3,080 workers, and the U.S. Bureau of Labor Statistics projects 3.8% national employment change for this occupation from 2024 to 2034.

Updated September 2, 2026 | TradeCareerPath Editorial Team

California insulation workers, floor, ceiling, and wall earn a median annual wage of $48,840 ($23.48/hr) according to U.S. Bureau of Labor Statistics OEWS data (May 2025), with about 3,080 workers employed statewide. The state median is approximately -0.6% below the national median of $49,120 for the same occupation.

Key Takeaways

Median annual pay: $48,840 ($23.48/hr)
25th percentile: $45,300 per year
75th percentile: $73,660 per year
Top 10% earn: more than $105,440 per year
Entry-level (bottom 10%): under $39,660 per year
Workers employed in California: 3,080
Versus national median: -0.6% below the U.S. median of $49,120
Job concentration: Location quotient 0.59 - this occupation is less concentrated in California than the national average

Source: BLS Occupational Employment and Wage Statistics (OEWS), May 2025. Last reviewed September 2, 2026.

California employs about 3,080 insulation workers earning a median $48,840 a year (BLS OEWS, May 2025). Most insulation workers train through a trade school program or a registered apprenticeship before entering the field in California.

California employs approximately 3,080 insulation workers according to the Bureau of Labor Statistics, with a median annual wage of $48,840 ¹. Nationally, insulation worker employment is projected to grow 3.8% from 2024 to 2034, with about 3,400 openings per year ². This page covers how to become an Insulation Worker in California, including requirements, training programs, and salary data.

At a Glance

Training paths: trade school, community college, or apprenticeship
Typical timeline: 1 to 5 years depending on the path
Median wage (California): $48,840 per year ¹

Quick Answers About How to Become an Insulation Worker in California

How to become an Insulation Worker in California? Complete a training program or apprenticeship, gain work experience, and meet any state or employer requirements for insulation workers in California.

How long does it take? Most paths into the insulation worker field take 1 to 5 years, depending on whether you complete a trade school program, a registered apprenticeship, or a combination of both.

What do insulation workers earn in California? The median annual wage for insulation workers in California is $48,840 according to BLS data. Entry-level wages start around $39,660 and experienced professionals can earn $105,440 or more ¹.

How to Become an Insulation Worker in California

Finish high school or earn a GED. Most California training programs and registered apprenticeships require a high school diploma or GED to enroll.
Complete a training program or apprenticeship. Enroll in an approved trade school program or a registered apprenticeship in California that combines classroom instruction with supervised hands-on hours.
Gain supervised work experience. Build documented on-the-job hours under a qualified supervisor; confirm the exact total currently required with the licensing board.
Meet state and employer requirements. Confirm any registration, certification, or employer requirements that apply to insulation workers in California before you start working.

Steps and hour totals vary by credential level; confirm current requirements with the state board before you apply.

Insulation Worker Apprenticeship Information in California

Apprenticeships combine paid on-the-job training with classroom instruction and typically last 3 to 5 years. California’s apprenticeship program is administered by the California Division of Apprenticeship Standards - Registered Apprenticeship ³.

Contact Information:

Office: California Division of Apprenticeship Standards - Fresno Region
Phone: (559) 445-5431
Email: [email protected]

Insulation Worker Wages by Metro Area in California

Insulation Workers, Floor, Ceiling, and Wall Wages by Metro Area in California

According to the Bureau of Labor Statistics ( OES data), insulation workers, floor, ceiling, and wall wages in California vary by metro area.

Metro Area	Employment	Median Annual Wage	Avg. Annual Wage	Entry Level (10th pctile)	Experienced (90th pctile)
Los Angeles-Long Beach-Anaheim	1,360	$77,940	$78,506	$45,618	$126,469
San Francisco-Oakland-Fremont	580	$97,999	$98,891	$53,919	$142,130
Riverside-San Bernardino-Ontario	480	$46,850	$56,120	$38,430	$83,930
Sacramento-Roseville-Folsom	260	$64,112	$68,772	$46,899	$100,898
San Jose-Sunnyvale-Santa Clara	190	$58,890	$73,150	$49,620	$122,850
San Diego-Chula Vista-Carlsbad	100	$112,280	$104,000	$61,180	$159,710
Oxnard-Thousand Oaks-Ventura	50	$65,930	$72,920	$44,030	$103,780
Visalia	N/A	$37,160	$43,790	$37,160	$54,800
Bakersfield-Delano	N/A	$58,100	$56,750	$50,650	$58,100

Wages reflect survey data and vary based on experience, credentials, employer, and local market conditions. Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May .

Frequently Asked Questions

What is the job outlook for insulation workers in California? California currently employs approximately 3,080 insulation workers ¹. Nationally, insulation worker employment is projected to grow 3.8% from 2024 to 2034 ².

What training programs are available in California? Options include trade schools, community colleges, and apprenticeship programs. Use the school finder above to search for programs in California. You can also contact the California Division of Apprenticeship Standards - Registered Apprenticeship for apprenticeship opportunities.

How much do insulation workers earn in California compared to the national average? The median annual wage for insulation workers in California is $48,840, which is $160 above the national median of $48,680 according to BLS data ¹.

In California

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Citations

About this guide: Researched and written by the TradeCareerPath Editorial Team. Our editorial team researches and sources every trade school and career guide using federal labor and education data, including BLS OEWS and Employment Projections, DOL apprenticeship records, IPEDS, College Scorecard, and state licensing boards. We follow the editorial standards documented at /editorial-policy/.

References

Bureau of Labor Statistics - Occupational Employment and Wage Statistics: https://www.bls.gov/oes/ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎
Bureau of Labor Statistics - Employment Projections: https://www.bls.gov/emp/ ↩︎ ↩︎
California Division of Apprenticeship Standards - Registered Apprenticeship: https://www.dir.ca.gov/databases/das/aigstart.asp ↩︎

Data sources

Figures on this page are sourced from the federal and state datasets below. Methodology: how we rank and source data.

Data	Provider	Vintage
Occupational Employment and Wage Statistics (OEWS)	U.S. Bureau of Labor Statistics	May 2025
Employment Projections	U.S. Bureau of Labor Statistics	2024-2034
Integrated Postsecondary Education Data System	National Center for Education Statistics (IPEDS)	2024
College Scorecard (school-level outcomes)	U.S. Department of Education	latest release
College Scorecard (field-of-study earnings)	U.S. Department of Education	latest release (updated 2026-06-12)
Occupational licensing requirements	CareerOneStop (U.S. Department of Labor)	latest release (updated 2026-02-22)
Registered apprenticeship programs	CareerOneStop / Apprenticeship.gov (U.S. Department of Labor)	latest release (updated 2025-10-25)
O*NET occupation profiles (skills, tasks, tools, job zones)	U.S. Department of Labor (O*NET / Employment & Training Admin.)	O*NET 29.1 (updated 2026-06-13)