Copyright Harborstone Consulting, LLC. All rights reserved.


​​​​​​Developing land has become more complex in today's regulatory environment and sophisticated approaches and solutions are required to achieve a client's goals and objectives.  Harborstone Consulting, LLC has substantial experience in land development consulting and addressing regulatory requirements.  We are also skilled at peeling through the many layers of regulatory approvals to help you understand the development potential and constraints.

What We Do:

  • Wastewater Engineering Design and Consulting
  • Site Feasibility Studies
  • ​Residential Stormwater Design
  • Winter Observation
  • Permitting and Entitlement Services
  • Land Use Consulting
  • Consultant Coordination

​​Areas We Serve:

S. King (including Vashon Island), Pierce, Kitsap, N. Mason and N. Thurston Counties