Public CSLB records

Block by Block INC, C-29 Masonry Contractor in Apple Valley, CA

License #637885·Corporation·Apple Valley, San Bernardino County
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Summary

Block by Block INC operating as a corporation holds an active California contractor license (CSLB #637885), valid through Aug 31, 2026. First issued in 1992, the license has been on the CSLB roster for 34 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Contractors Indemnity Company and a previously-filed workers' compensation policy with Markel Insurance Company that is no longer active. The business is based in Apple Valley, in San Bernardino County, California.

Business Information
Address
P O Box 1932
Apple Valley, CA 92307
License Details & Classifications
License Number
637885
Issued
Feb 12, 1992
Status
CLEAR
Expires
Aug 31, 2026
Entity
Corporation
Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC6062244
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Markel Insurance Company
Policy Number
MWC020095104
Effective
Jun 1, 2025
Expires
Jun 1, 2026
Alert

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

  • No active workers' comp on file
License StatusActive
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 Block by Block INC licensed in California?

Yes. Block by Block INC holds California Contractors State License Board license number 637885, which is active and in good standing. The license was first issued on February 12, 1992. It is valid through August 31, 2026.

What does Block by Block INC specialize in?

Block by Block INC is licensed for one CSLB classification: C-29 Masonry Contractor.

Where is Block by Block INC headquartered?

Block by Block INC is headquartered at P O Box 1932, Apple Valley, CA 92307, in San Bernardino County, California.

Does Block by Block INC have an active surety bond on file with CSLB?

Yes. Block by Block INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Block by Block INC carry workers' compensation coverage?

Block by Block INC has a previously-filed workers' compensation policy with Markel Insurance Company that is no longer active.

How do I verify Block by Block INC's contractor license?

You can verify Block by Block INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=637885.

Activity Timeline
  1. License issuedFeb 12, 1992
  2. Bond activeJan 1, 2023
  3. WC coverage startsJun 1, 2025
  4. WC expiredJun 1, 2026
  5. License expiresAug 31, 2026
Other contractors in San Bernardino County
California lien & payment resources

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