Licensed Contractors in Rockville, California
Rockville has 4 licensed contractors registered with the California Contractors State License Board across 2 trade classifications. The most common specialties are Hazardous Substance Removal Certification (2). 4 contractors hold general contractor licenses (Class A or B).
All license data is sourced from the California Contractors State License Board (CSLB). Last data update: February 20, 2026.
Contractors by Classification
General Contractors
Specialty Contractors
S J Louis Construction Inc
Active
License #614834
A
Rockville, CA
Est. 1991
The Source Group Inc
Active
License #758173
A, HAZ
Rockville, CA
Est. 1999
Apex Companies Llc
Active
License #983773
A, HAZ
Rockville, CA
Est. 2013
Atlas Trenchless Llc
Active
License #1048468
A
Rockville, CA
Est. 2019