Public CSLB records

Mckowski's Maintenance Systems INC, B General Building Contractor in San Diego, CA

License #724136·Corporation·San Diego, San Diego County
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Summary

Mckowski's Maintenance Systems INC operating as a corporation holds California contractor license #724136, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 1996, the license has been on the CSLB roster for 30 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with Ace American Insurance Company that is no longer active. The business is based in San Diego, in San Diego County, California.

Business Information
Address
10979 San Diego Mission Rd
San Diego, CA 92108
License Details & Classifications
License Number
724136
Issued
Jun 19, 1996
Status
CLEAR
Expires
Jun 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67368084
Effective
Jun 28, 2025
Status
Active
Workers' Compensation
Coverage
Leasing Firm, Temp Agency, etc
Carrier
Ace American Insurance Company
Policy Number
C73847138
Effective
Jul 1, 2025
Expires
Jul 1, 2026
Alert

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

  • License expired
  • No active workers' comp on file
License StatusInactive / Expired
Contractor BondOn file
Workers' CompensationInactive

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

Frequently asked questions
Is Mckowski's Maintenance Systems INC licensed in California?

Mckowski's Maintenance Systems INC previously held California Contractors State License Board license number 724136, but the license expired on June 30, 2026 and is not currently valid. It was first issued on June 19, 1996.

What does Mckowski's Maintenance Systems INC specialize in?

Mckowski's Maintenance Systems INC is licensed for one CSLB classification: B General Building Contractor.

Where is Mckowski's Maintenance Systems INC headquartered?

Mckowski's Maintenance Systems INC is headquartered at 10979 San Diego Mission Rd, San Diego, CA 92108, in San Diego County, California.

Does Mckowski's Maintenance Systems INC have an active surety bond on file with CSLB?

Yes. Mckowski's Maintenance Systems INC has an active California contractor surety bond filed with Western Surety Company.

Does Mckowski's Maintenance Systems INC carry workers' compensation coverage?

Mckowski's Maintenance Systems INC has a previously-filed workers' compensation policy with Ace American Insurance Company that is no longer active.

How do I verify Mckowski's Maintenance Systems INC's contractor license?

You can verify Mckowski's Maintenance Systems INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=724136.

Activity Timeline
  1. License issuedJun 19, 1996
  2. Bond activeJun 28, 2025
  3. WC coverage startsJul 1, 2025
  4. License expiredJun 30, 2026
  5. WC expiredJul 1, 2026
Other contractors in San Diego County
California lien & payment resources

Working a California job with Mckowski's Maintenance Systems INC, 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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