L👀kup Contractor

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Data Sources & Attribution

Last Updated: 8/8/2025

📊 Data Transparency

We believe in transparency about our data sources. All contractor information displayed on this website is derived from publicly available government records.

Primary Data Source

California Contractors State License Board (CSLB)

Official Website: www.cslb.ca.gov

License Lookup Tool: CSLB License Check

The CSLB is the official state agency responsible for licensing and regulating construction contractors in California. All contractor licensing information displayed on our website originates from CSLB's public records database.

Data Elements Included

Our database includes the following publicly available information from CSLB records:

  • License Numbers: Official CSLB license numbers
  • Business Names: Registered business names and DBA names
  • License Classifications: Contractor specialties and trade classifications
  • License Status: Current status (Active, Inactive, Suspended, etc.)
  • Business Addresses: Mailing and business addresses on file
  • Phone Numbers: Contact phone numbers when available
  • License Issue/Expiration Dates: When available in public records

Data Processing and Updates

Data Collection: We periodically collect publicly available contractor data from CSLB's database through automated processes that respect their terms of service.

Processing: Raw data is processed, cleaned, and organized to improve searchability and user experience while maintaining accuracy of the original information.

Update Frequency: We strive to update our database regularly, but there may be delays between when information changes in CSLB records and when it appears on our site.

Data Accuracy and Limitations

⚠️ Important Limitations

  • Data may not reflect the most current information
  • Some records may contain incomplete or outdated information
  • Historical data availability varies by contractor and time period
  • Data processing may introduce minor formatting changes

Independent Verification

Always Verify Directly: While we strive for accuracy, users should always verify contractor information directly with the CSLB before making hiring decisions.

Official Verification: Use the official CSLB license lookup tool at CSLB License Check for the most current and authoritative information.

Additional Resources

Data Usage and Attribution

This website provides access to public information for informational purposes only. While the underlying government data is in the public domain, our compilation, organization, and presentation of this data is protected by copyright.

Commercial Use: Commercial use of our compiled data requires explicit written permission. Contact us for licensing inquiries.

Data Corrections

If you notice incorrect information about a contractor's license, please note that we display information as it appears in CSLB records. To correct official licensing information, contact the CSLB directly.

For issues specific to our website's display or processing of data, please contact us.

📋 Supporting CSLB's Mission

We are not affiliated with or endorsed by the CSLB. However, we support their mission to protect consumers and promote quality construction. By making publicly available licensing information more accessible, we help consumers make informed decisions while encouraging proper licensing and regulatory compliance.