Licensed Insulation Contractors in Riverside, California
Updated November 1, 2026 from CSLB's public license file · C-2 Insulation and Acoustical Contractor
- 25licensed insulation contractors
- 25active (Clear)
- 0%with a suspension
- 24%workers' comp exempt
- 7.7 yrsmedian time licensed
- 84%corp / LLC / partnership (16% sole owner)
- 1new in the last 12 months
- —change tracking began November 1, 2026
CSLB's public data lists 25 insulation contractors with a mailing address in Riverside, and 25 of them (100%) show a Clear primary status.
24% report a workers' comp exemption, 1.6 points higher than the statewide figure for insulation contractors (22.4%), so many of these businesses say they have no employees. The share with a suspension, 0%, is 3.9 points lower than the Riverside County rate for the same license (3.9%).
1 of these licenses is less than a year old, while 44% have been held for 10 years or more. The median is 7.7 years.
In California this work generally calls for the C-2 Insulation and Acoustical Contractor license (or a B license when it is part of a larger multi-trade job). See the C-2 Insulation and Acoustical Contractor guide for what the license covers.
How to check an insulation contractor's license in Riverside
- Find the business in the list below, or search all 25 Riverside listings, and open its profile. You want a Clear status and the C-2 classification (a B license can also cover it as part of a multi-trade job).
- Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
- Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed insulation contractor is required by law. See the $1,000 rule.
All 25 insulation contractors in Riverside
Riverside insulation contractors sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.
| Business name | License # | Status | Years | Workers' comp | Bond |
|---|---|---|---|---|---|
| Hasco Heating Airconditioning Service Company INC | 519360 | Clear | 39 | Insured | On file |
| National Paving Company INC | 583376 | Clear | 36 | Insured | On file |
| J Francis Company | 585103 | Clear | 36 | Insured | On file |
| Berry Roofing INC | 691947 | Clear | 32 | Insured | On file |
| Wilson Acoustical Ceilings | 699454 | Clear | 31 | Insured | On file |
| Accurate Acoustics INC | 756641 | Clear | 27 | Insured | On file |
| Empyrean Plumbing INC | 879157 | Clear | 20 | Insured | On file |
| Campos Construction | 892221 | Clear | 19 | Exempt | On file |
| A2z Home Improvement Construction CO | 937240 | Clear | 17 | Insured | On file |
| Gta Drywall INC | 958980 | Clear | 15 | Insured | On file |
| M A Acoustics | 993758 | Clear | 12 | Insured | On file |
| Ondatje Contracting INC | 1026836 | Clear | 9 | Insured | On file |
| My Insulation Guy INC | 1049977 | Clear | 7 | Insured | On file |
| Ecm Acoustic | 1058212 | Clear | 7 | Exempt | On file |
| Innovated Acoustics Corp | 1058140 | Clear | 7 | Exempt | On file |
| R & R Group INC | 1071598 | Clear | 5 | Exempt | On file |
| Skynet Acoustics | 1081195 | Clear | 5 | Exempt | On file |
| Next Level Insulation | 1101777 | Clear | 3 | Insured | On file |
| Your Insulation Specialist INC | 1101740 | Clear | 3 | Insured | On file |
| Orkin Insulation Services | 1124938 | Clear | 2 | Insured | On file |
| Acoustic Interior Solutions | 1129495 | Clear | 1 | Insured | On file |
| Nas Acoustics INC | 1143908 | Clear | 1 | Insured | On file |
| Contractors Insul Material Services | 1145266 | Clear | 1 | Insured | On file |
| Oc Insulation | 1145033 | Clear | 1 | Exempt | On file |
| Valle Insulation INC | 1162969 | Clear | <1 | Insured | On file |
Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.
Frequently asked questions
How many licensed insulation contractors are in Riverside?
CSLB's current public file lists 25 insulation contractors with a Riverside mailing address. 25 have a Clear status, and 96% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).
What license does an insulation contractor need in California?
In California this work generally calls for the C-2 Insulation and Acoustical Contractor license (or a B license when it is part of a larger multi-trade job). Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.
How do I check an insulation contractor's workers' comp?
Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among Riverside insulation contractors, 24% are exempt (no employees), 76% insured and 0% without current coverage. Verify a policy with CSLB's insurer search (step by step).
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Other licensed trades in Riverside
- General Contractors (966)
- Electricians (350)
- Limited Specialty Contractors (277)
- Plumbers (217)
- HVAC Contractors (208)
- General Engineering Contractors (185)
- Landscapers (148)
- Painters (140)
- Flooring Contractors (95)
- Concrete Contractors (87)