Select Page


For over thirty years, Castle and Gray International, Inc.’s extensive range of projects and hands–on experience have made us California’s first choice in construction consulting services. At Castle and Gray Int. Inc. we pride ourselves on providing our clients the skills and industry knowledge that will aid in tackling on-site concerns, time-sensitive issues, and other unknown variables that can often arise throughout the various stages of construction.

Castle and Gray Int. Inc. is committed to offering our clients only the best in consulting services. Having advised clients on over $300,000 million dollars worth of construction, our specialized staff is dedicated to making your experience a successful one. We always go the extra mile to ensure that your project, no matter the size, comes in on time and within budget.

Construction consulting areas of expertise include:

  • Project Planning
  • Risk Management
  • Construction Management Oversight
  • Stage Construction Management Oversight
  • Construction Cost Estimating
  • Construction Evaluations
  • Litigation and Arbitration Support
  • Expert Witness Testimony

Our goal is to remain the gold standard of construction consulting services, where our exacting standards on construction oversight are what we do.