Areas of Expertise

  • Storm Drainage Piping Systems
  • Drainage Basin Studies
  • Paving and Grading
  • Highways
  • Environmental Assessments
  • Noise Studies for Highway Projects
  • Permitting
  • General Civil Engineering
  • Water Distribution
  • Small Public Drinking Water Facilities
  • Sewage Collection
  • Lift (Pump) Stations

Our Services

Site Plans for Commercial and Residential Developments:

We provide a complete service including site engineering, design and planning for commercial sites and residential subdivisions. We also specialize in all aspects of surveying and engineering services from the initial concept to the final construction. For comprehensive engineering of your property, you can rely on Knowles Civil Engineering. It is this very complete service of planning research and development that has made us so well known in this field.


  • FDOT Driveway and Drainage Connection Permits
  • ERP and MSSW permits from St. Johns River Water Management District
  • Water and Sewer Permits through RESD, Department of Health, and DEP
  • City of Jacksonville Public Works Preliminary and Final Engineering Reviews, as well as, Site Plan/Engineering Review Submittals through other city and local governments.

Environmental Assessments:

Type-I pre-purchase(s) Environmental Assessments on your property.

Covered by Professional Liability Insurance
D&B D-U-N-S Number: 87-963-0259