A+ Rating by Better Business Bureau                               CSLB License # 725052
3045 East 12th Street, Los Angeles, CA 90023
Phone: 323 266 3456,      Fax: 323 266 3331

877 7 CALTRON
CALTRON CONSTRUCTION

About Us

Founded in 1996, Caltron Construction has been building high quality structures. Led by CEO Ruben Gamerberg, who holds a Bachelor Degree in Civil Engineering, a Master of Science Degree from Stanford University in Engineering-Economic Systems and an Honorary Alumni title from the Department of Management Science and Engineering from Stanford University, Caltron Construction merged a wealth of experience and skill with Katherine Gamerberg and her Engineering, Architectural and Interior Design skills, as its Vice-President, into a company that would earn a remarkable reputation as a leading construction firm. We are committed to operating with a quality foundation of unwavering ethics and quality results.


Since 1996, Caltron Construction has been licensed with the Contractors State License Board holding several classifications. Some of these include:

  • General Building Contractor
  • General Engineering Contractor
  • Plumbing
  • Glazing
  • Swimming Pool
  • Steel, Structural

Member of the Better Business Bureau with A+ Rating