A & O Insulation INC, C-2 Insulation and Acoustical Contractor in National City, CA
A & O Insulation INC operating as a corporation holds an active California contractor license (CSLB #1082870), valid through Oct 31, 2027. First issued in 2021, the license has been on the CSLB roster for 5 years. It carries a single CSLB classification: C-2 — Insulation and Acoustical Contractor. Records show an active surety bond on file with Philadelphia Indemnity Insurance Company and active workers' compensation coverage from Pie Insurance Company (the). The business is based in National City, in San Diego County, California.
- License Number
- 1082870
- Issued
- Oct 22, 2021
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Corporation
- Surety
- Philadelphia Indemnity Insurance Company
- Bond Number
- PB10163404643
- Effective
- Oct 10, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Pie Insurance Company (the)
- Policy Number
- 3320175
- Effective
- Feb 24, 2026
- Expires
- Feb 24, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is A & O Insulation INC licensed in California?
Yes. A & O Insulation INC holds California Contractors State License Board license number 1082870, which is active and in good standing. The license was first issued on October 22, 2021. It is valid through October 31, 2027.
What does A & O Insulation INC specialize in?
A & O Insulation INC is licensed for one CSLB classification: C-2 Insulation and Acoustical Contractor.
Where is A & O Insulation INC headquartered?
A & O Insulation INC is headquartered at 518 K Avenue Apt B, National City, CA 91950, in San Diego County, California.
Does A & O Insulation INC have an active surety bond on file with CSLB?
Yes. A & O Insulation INC has an active California contractor surety bond filed with Philadelphia Indemnity Insurance Company.
Does A & O Insulation INC carry workers' compensation coverage?
Yes. A & O Insulation INC carries active workers' compensation coverage through Pie Insurance Company (the).
How do I verify A & O Insulation INC's contractor license?
You can verify A & O Insulation INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1082870.
- License issuedOct 22, 2021
- Bond activeOct 10, 2025
- WC coverage startsFeb 24, 2026
- WC expiresFeb 24, 2027
- License expiresOct 31, 2027
- Hulett Electric CO#194675Ramona·B General Building Contractor
- Spring Valley Insulation Contractors#202032Spring Valley·C-2 Insulation and Acoustical Contractor
- Tri-County Insulation Company INC#269753El Cajon·C-2 Insulation and Acoustical Contractor
- Russell Development INC#285084Fallbrook·B General Building Contractor
- Eco Services#290497San Diego·B General Building Contractor
- M V W General Contractor#292907Escondido·B General Building Contractor
- Johnson Finch & Mcclure Construction INC#392277Lakeside·B General Building Contractor
- Burch Construction Company INC#431673Ramona·B General Building Contractor
Working a California job with A & O Insulation INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own A & O Insulation INC? Claim or correct this profile