Patrick N. O'Day, PE, QSD


Education/Honors/Military Service

  • J.D., University of San Diego, 1977​
  • B.S., Civil Engineering, University at Buffalo, 1973
    • Chi Epsilon (Civil Engineering Honor Society)
  • U.S. Army 1965 - 1968

Professional Qualifications

  • Professional Engineer, Qualified SWPPP Developer, California #27214 (licensed for surveying in California)
  • ​Professional Engineer, Nevada #18000
  • Professional Engineer, Arizona #51476
  • Member of the California Bar #92033
  • California Real Estate Broker #01090404
  • Contractors License (A and B), California #948217


As President and Founder of O’Day Consultants, Pat O’Day possesses 45 years of managerial experience. He specializes in civil engineering, real estate and law.

Pat’s unique background provides him with a broad range of expertise in land development, permit processing and contract administration. He has gained a trusted reputation for his ability to assess the civil engineering requirements for a project and assisting his clients in successfully completing the permit process. He is directly involved with local governmental agencies, concentrating on consultation, negotiation, and environmental mitigation.

As the Principal-in-Charge for all projects, Pat consistently reviews all projects with his Project Managers to ensure that each assignment maintains their respective budget and schedule, and that professional work standards are continued. In addition, Pat also manages the internal operations for the firm.​

Through his dedicated leadership and business initiatives, O’Day has come to be recognized as a trusted civil engineering company known for its professionalism, quality service and successful project completion.