• CA Lic#399424
  • NV Lic#0058541
  • 601 Fifth Street San Fernando, CA 91340

  • (818) 837-9983

  • (818) 837-9932

services of commercial construction

Commercial / retail

A diverse portfolio of Commercial, Retail and Mixed-Use Projects.


From quick serve with drive through-service to sit-down dining.

fueling stations

Fueling Stations, Co-Branded with Convenience stores, Restaurants and Car Washing Facilities.

super markets

From ALDI Foods to Tressieras Markets, we are a full-service general contractor for new construction and remodel programs.

About Us

A message From our President:

With 70 years of combined construction and management experience, On-Site Builders, Inc., is a diverse construction company, teamed with an exceptional office support staff and a seasoned group of field personnel.

Our focus and project experience is in the private commercial sector, specializing in retail, restaurant, fueling, grocery and pharmacy, with a smattering of mixed-use.

All of us here truly care about building relationships and treating our subcontractors, and our clients and their vendors with respect!

Whether working with standard estimating and construction management software tools, or adapting and utilizing each client’s required systems, we can easily accommodate their needs. We engage with the entire team in order to produce high-level construction projects.

Our mission is to earn your trust and continuing building strong and long-lasting relationships!

We trust that you will find we are of the caliber which you would like to do business with.

Feel free to reach out to me directly and I will be happy to spend time with you and discuss your company’s growth and construction needs.

Rob Klebba