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Licensed insulation contractors in North Hollywood, Los Angeles, CA

4 insulation contractors hold an active licence on the Contractors State License Board (CSLB) register in North Hollywood, checked 4 Nov 2026: 4 licensed 10 years or more, 100% bonded and none with a complaint or board disclosure on record. Ranked by a published formula; nobody pays to move up.

Active licences
4
Median time licensed
43.0 yrs
Bonded
100%
Lead-Safe certified
0
Google reviews
20

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

Showing 4 of 4

  1. 1

    Circulating Air Inc

    North Hollywood, CA · CSLB B, C-2, C-4, C10, C20, C38, C43 #240778 · licensed 61 yrs

    • Licence active
    • Bonded
    • Workers' comp
    864.3(19)Full report
  2. 2

    Commercial Interiors Acoustics Inc

    North Hollywood, CA · CSLB C-2 #669626 · licensed 34 yrs

    • Licence active
    • Bonded
    • Workers' comp
    845.0(1)Full report
  3. 3

    Blacksmith

    North Hollywood, CA · CSLB A, B, C-2, C-4, C10, C36, C38, D17, D35 #294488 · licensed 52 yrs

    • Licence active
    • Bonded
    • Works alone
    65No Google reviews yetFull report
  4. 4

    Kreit Mechanical Associates Inc

    North Hollywood, CA · CSLB C-2, C20, C36, C42 #819950 · licensed 23 yrs

    • Licence active
    • Bonded
    • Workers' comp
    65No Google reviews yetFull report

Questions people ask about insulation contractors in North Hollywood

How many licensed insulation contractors are in North Hollywood?

4 insulation contractors hold an active Contractors State License Board (CSLB) licence with a mailing address in North Hollywood, checked on 4 November 2026. 4 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 North Hollywood?

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 North Hollywood?

By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are Circulating Air Inc (86), Commercial Interiors Acoustics Inc (84), Blacksmith (65). Paying or claiming a listing never changes the order.

How much do insulation contractors charge in North Hollywood?

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 North Hollywood?

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. 64% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 0 of the 4 licensed insulation contractors listed are certified.