Licensed General Engineering (A) contractors in Alta Loma, CA

The California Contractors State License Board (CSLB) lists 19 General Engineering (A) contractors in Alta Loma, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

19 contractors

1. George Bryant

   Alta Loma, CA · CSLB #421278 · as of October 7, 2026
   Active · clear
2. George Bryant Construction INC

   Alta Loma, CA · CSLB #718466 · as of October 7, 2026
   Active · clear
3. C M B Structures INC

   Alta Loma, CA · CSLB #613977 · as of October 7, 2026
   Active · clear
4. Crown Structures Engineering

   Alta Loma, CA · CSLB #1138368 · as of October 7, 2026
   Active · clear
5. Edward J Graves DBA Edward Graves & Associates

   Alta Loma, CA · CSLB #400167 · as of October 7, 2026
   Active · clear
6. Hafner Company INC

   Alta Loma, CA · CSLB #912493 · as of October 7, 2026
   Active · clear
7. Hardscape West INC

   Alta Loma, CA · CSLB #838617 · as of October 7, 2026
   Active · clear
8. HRM Construction & Engineering

   Alta Loma, CA · CSLB #1159160 · as of October 7, 2026
   Active · clear
9. International Construction Builders LLC

   Alta Loma, CA · CSLB #1106960 · as of October 7, 2026
   Active · clear
10. J R N Construction CO

    Alta Loma, CA · CSLB #484205 · as of October 7, 2026
    Active · clear
11. L'or Constructions INC

    Alta Loma, CA · CSLB #1156094 · as of October 7, 2026
    Active · clear
12. Norstar Plumbing & Engineering INC

    Alta Loma, CA · CSLB #633471 · as of October 7, 2026
    Active · clear
13. Reyco Engineering INC

    Alta Loma, CA · CSLB #1070146 · as of October 7, 2026
    Active · clear
14. R F C Services

    Alta Loma, CA · CSLB #719686 · as of October 7, 2026
    Active · clear
15. Sci

    Alta Loma, CA · CSLB #984859 · as of October 7, 2026
    Active · clear
16. Southland Pipe Corporation

    Alta Loma, CA · CSLB #928448 · as of October 7, 2026
    Active · clear
17. Varn Development

    Alta Loma, CA · CSLB #906370 · as of October 7, 2026
    Active · clear
18. Vasquez Construction General Engineering Contractor

    Alta Loma, CA · CSLB #904085 · as of October 7, 2026
    Active · clear
19. Xpress Concrete INC

    Alta Loma, CA · CSLB #911587 · as of October 7, 2026
    Active · clear

See all General Engineering (A) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.