Licensed General Building (B) contractors in Thornton, CA

The California Contractors State License Board (CSLB) lists 8 General Building (B) contractors in Thornton, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of August 19, 2026.

8 contractors

1. Alas Constructor

   Thornton, CA · CSLB #1118558 · as of August 19, 2026
   Active · clear
2. E M D Construction

   Thornton, CA · CSLB #1078264 · as of August 19, 2026
   Active · clear
3. GGG Construction Solutions INC

   Thornton, CA · CSLB #1147138 · as of August 19, 2026
   Active · clear
4. R A Jones Construction

   Thornton, CA · CSLB #694892 · as of August 19, 2026
   Active · clear
5. Mullahey Construction

   Thornton, CA · CSLB #1130849 · as of August 19, 2026
   Active · clear
6. Quality Landscape

   Thornton, CA · CSLB #714914 · as of August 19, 2026
   Active · clear
7. Swinyard Construction

   Thornton, CA · CSLB #752085 · as of August 19, 2026
   Active · clear
8. Unity Contractors INC

   Thornton, CA · CSLB #1135559 · as of August 19, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of August 19, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.