Licensed insulation contractors in Chatsworth, Los Angeles, CA
8 insulation contractors hold an active licence on the Contractors State License Board (CSLB) register in Chatsworth, checked 4 Nov 2026: 2 licensed 10 years or more, 100% bonded and 2 with a complaint or board disclosure on record. Ranked by a published formula; nobody pays to move up.
- Active licences
- 8
- Median time licensed
- 7.9 yrs
- Bonded
- 100%
- Lead-Safe certified
- 1
- Google reviews
- 1,702
Filled tags sit at the business's Google location; hollow tags show its mailing ZIP code only. Each tag is the theoPros score.
Ranked list
- 1
Progressive Insulation & Windows
- Licence active
- Bonded
- EPA Lead-Safe
- 2
Advanced Attic Solutions
- Licence active
- Bonded
- Workers' comp
- 3
Service Genius Corporation
- Licence active
- Bonded
- 4
Elm Insulation & Sound Solutions
- Licence active
- Bonded
- Workers' comp
- 5
- 6
Ym Insulation
- Licence active
- Bonded
- Workers' comp
- 7
- 8
Yohai Pinto
- Licence active
- Bonded
- Works alone
Questions people ask about insulation contractors in Chatsworth
How many licensed insulation contractors are in Chatsworth?
8 insulation contractors hold an active Contractors State License Board (CSLB) licence with a mailing address in Chatsworth, checked on 4 November 2026. 2 of them have been licensed for 10 years or more.
Does a insulation contractor need a licence in California?
Yes, when the whole job, labour and materials, costs $1,000 or more or needs a permit. Below that, California's minor-work exemption (B&P Code 7048) applies, but only if they work alone. Look for an active C-2 licence.
How do I check a insulation contractor's licence in Chatsworth?
Ask for the licence number and look it up on the CSLB website, or search this page. Every insulation contractor listed here was matched to an active licence on the CSLB register.
Which insulation contractors rank highest in Chatsworth?
By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are Progressive Insulation & Windows (86), Advanced Attic Solutions (79), Service Genius Corporation (73). Paying or claiming a listing never changes the order.
How much do insulation contractors charge in Chatsworth?
Insulation contractors in the Los Angeles-Long Beach-Anaheim metro earn a median $23.30 an hour (BLS, May 2025); contractors typically bill about twice the wage to cover insurance, overhead and profit.
Do I need a lead-safe certified insulation contractor in Chatsworth?
If your home was built before 1978 and the work disturbs paint, yes: the law requires a firm certified lead-safe by the US Environmental Protection Agency. 68% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 1 of the 8 licensed insulation contractors listed are certified.