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Licensed insulation contractors in Sylmar, Los Angeles, CA

3 insulation contractors hold an active licence on the Contractors State License Board (CSLB) register in Sylmar, checked 4 Nov 2026: 0 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
3
Median time licensed
2.3 yrs
Bonded
100%
Lead-Safe certified
0
Google reviews
9

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 3 of 3

  1. 1

    Marathon Insulation

    Sylmar, CA · CSLB C-2 #1094776 · licensed 4 yrs

    • Licence active
    • Bonded
    • Workers' comp
    635.0(3)Full report
  2. 2

    Insulation Services of California LLC

    Sylmar, CA · CSLB C-2 #1124372 · licensed 2 yrs

    • Licence active
    • Bonded
    • Works alone
    595.0(2)Full report
  3. 3

    Leos Insulation LLC

    Sylmar, CA · CSLB C-2 #1160010 · licensed <1 yr

    • Licence active
    • Bonded
    • Works alone
    585.0(4)Full report

Questions people ask about insulation contractors in Sylmar

How many licensed insulation contractors are in Sylmar?

3 insulation contractors hold an active Contractors State License Board (CSLB) licence with a mailing address in Sylmar, checked on 4 November 2026. 0 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 Sylmar?

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 Sylmar?

By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are Marathon Insulation (63), Insulation Services of California LLC (59), Leos Insulation LLC (58). Paying or claiming a listing never changes the order.

How much do insulation contractors charge in Sylmar?

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 Sylmar?

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. 54% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 0 of the 3 licensed insulation contractors listed are certified.