• Provide our customers with a Company that they can absolutely count on for Workmanship, Integrity and Honesty. Provide our customers with a Service, not just another contractor with a low bid.
  • Develop and maintain long standing relationships with our customers. We appreciate your business and we want you to know that time and time again.
  • Communicate and work with our customers on their projects. Things can change rapidly on a project and our ability toadapt to any situation with communication and determination will keep your project running smoothly.
  • Understanding that not only starting and finishing a project on time and on budget is very Important, but what happens on a project in the middle is very crucial to it's success. We will be by your side during the whole project, not just the beginning and end.
  • Providing our customers with complete scopes of work for their projects. Our bids are complete per the plans and specifications for our scope of work. No secrets and no surprises later.
  • We have a strong commitment to safety and our safety record proves it. Our field staff are trained with the most current and up to date safety information and procedures available . Safety is our number one priority and mandatory for our employees and the safety of the public. We do not take it lightly.

About Us


On-Site Engineering & Asphalt, Inc., is a local and family owned General Engineering Contracting firm SPECIALIZING  in Grading, Paving, Underground and Demolition. 

Ken Pinkham (President), has accumulated over 23 years of experience in civil construction while working for established firms in Santa Cruz, Monterey and the Sacramento areas. 

Utilizing this experience and harnessing the knowledge learned from some of the best leaders in the industry, On-Site Engineering & Asphalt, Inc., was established in 2004.