Public CSLB records

Ostberg & Son's Masonry, C-29 Masonry Contractor in El Cajon, CA

License #917192·Partnership·El Cajon, San Diego County
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Summary

Ostberg & Son's Masonry operating as a partnership holds California contractor license #917192, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 2008, the license has been on the CSLB roster for 18 years. It carries a single CSLB classification: C-29 — Masonry Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Markel Insurance Company. The business is based in El Cajon, in San Diego County, California.

Business Information
Address
522 Jeffree
El Cajon, CA 92020
License Details & Classifications
License Number
917192
Issued
Jun 7, 2008
Status
CLEAR
Expires
Jun 30, 2026
Entity
Partnership
Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100115050
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Markel Insurance Company
Policy Number
MWC000001816
Effective
Jan 12, 2026
Expires
Jan 12, 2027
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
License StatusInactive / Expired
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Ostberg & Son's Masonry licensed in California?

Ostberg & Son's Masonry previously held California Contractors State License Board license number 917192, but the license expired on June 30, 2026 and is not currently valid. It was first issued on June 7, 2008.

What does Ostberg & Son's Masonry specialize in?

Ostberg & Son's Masonry is licensed for one CSLB classification: C-29 Masonry Contractor.

Where is Ostberg & Son's Masonry headquartered?

Ostberg & Son's Masonry is headquartered at 522 Jeffree, El Cajon, CA 92020, in San Diego County, California.

Does Ostberg & Son's Masonry have an active surety bond on file with CSLB?

Yes. Ostberg & Son's Masonry has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Ostberg & Son's Masonry carry workers' compensation coverage?

Yes. Ostberg & Son's Masonry carries active workers' compensation coverage through Markel Insurance Company.

How do I verify Ostberg & Son's Masonry's contractor license?

You can verify Ostberg & Son's Masonry's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=917192.

Activity Timeline
  1. License issuedJun 7, 2008
  2. Bond activeJan 1, 2023
  3. WC coverage startsJan 12, 2026
  4. License expiredJun 30, 2026
  5. WC expiresJan 12, 2027
Other contractors in San Diego County
California lien & payment resources

Working a California job with Ostberg & Son's Masonry, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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