About us

Castle Valley Consultants is a multi-discipline engineering design and consulting company.  We have completed thousands of projects for public and private sector clients in Pennsylvania, New Jersey, and Delaware. Castle Valley Consultants provides civil engineering, code enforcement,  landscape architecture, environmental services, land surveying, and construction administration to a wide range of clients.  We pride ourselves in being a trustworthy, reliable, employee-owned engineering firm.

Our professional staff can take a development project from property acquisition through construction. This ability offers our expertise to clients during all phases of a project which ultimately leads to greater project success. At Castle Valley Consultants, we are small enough to be responsive to individual client needs, yet large enough to remain at the forefront of our industry.  With local knowledge, contacts, and expertise, your project will be completed with great designs, thorough reports, and efficient permitting.  We’ve heard from clients that our people make the difference.

Office Locations

Main Office

10 Beulah Road
New Britain, PA 18901
Phone: 215-348-8257
Fax: 215-348-8267

Pottstown Office

1011 Daisy Point Road
Pottstown, PA 19465
Phone: 610-469-8414
Fax: 610-469-8415


Our Leadership Team

Tom Kelso, Gary Weaver, and Craig Kologie are the founding partners of Castle Valley Consultants, a multi-disciplinary firm providing engineering, planning and design services to public- and private-sector clients since 1997.

Tom Kelso, AICP
Tom Kelso, AICPPresident
Tom Kelso holds a B.S. in Water Resource Engineering and a M.S. in Urban and Regional Planning from Penn State University.
  • Municipal Engineering & Planning

  • Comprehensive Planning

  • Community Planning

  • Open Space Planning

Gary Weaver, P.E.
Gary Weaver, P.E.V.P. Engineering
Gary holds a B.S. in Mechanical Engineering from Spring Garden College and has been a licensed Professional Engineer for over 30 years. Gary Weaver has significant experience in the preparation of design and contract documents, including cost estimates, technical specifications, engineering reports, design calculations of water and wastewater process systems.
  • Civil & Municipal Engineering

  • Water & Wastewater Facility Design

  • Mechanical Engineering

  • Plant Process Engineering

Craig Kologie, AICP
Craig Kologie, AICPV.P. Planning
Mr. Kologie manages all aspects of the Governmental Consulting Services for Castle Valley. In this role he oversees the marketing and project/client development activities and works with the firms Project Managers to monitor project timelines and budgets.
  • Comprehensive Planning

  • Code Related Services

  • Community Planning

  • Ordinance Preparation & Review

Other Team Members

Matt Liszewski
Matt LiszewskiProject Manager
Matt Liszewski has been in the construction industry for over 30 years and oversees construction projects for Castle Valley.
  • Construction Oversight

  • Project Management

  • Site Engineering

  • Engineering Review

Crystal Hessler, P.E.
Crystal Hessler, P.E.Engineer
Crystal Hessler is licensed Professional Engineer.
  • Environmental Engineering

  • Water & Wastewater Facility Design

  • Storm Water

  • Permitting

Megan Kawamoto, P.E.
Megan Kawamoto, P.E.Project Engineer
Megan is an Project Engineer with Castle Valley Consultants.
  • Environmental Engineering

  • Geographic Information Systems (GIS)

  • Permitting

  • Construction Administration

Dan O'Connell, SEO
Dan O'Connell, SEOProject Manager
Dan O’Connell is a certified Sewage Enforcement Officer and is a Project Manager for Castle Valley Consultants.
  • Sewage Facility Design & Operations

  • Code Related Services

  • Construction Oversight

  • Project Management

Liam Allenstein-Lyon
Liam Allenstein-LyonAsst. Project Designer
Liam Allenstein-Lyon is an assistant project designer for Castle Valley Consultants.
  • Planting Design

  • Geographic Information Systems (GIS)

  • Construction Oversight

  • Permitting

Marc Faulkner
Marc FaulknerCode Enforcement Officer
Marc Faulkner is a Code Enforcement Officer for Castle Valley Consultants.
  • Code Related Services

Edward Mullock
Edward MullockBuilding Inspector/Code Enforcement Officer
Edward Mullock is a Building Inspector/Code Enforcement Officer for Castle Valley Consultants.
  • Code Related Services

John Kupferschmid
John KupferschmidBuilding Inspector/Code Enforcement Officer
John Kupferschmid is a Building Inspector/Code Enforcement Officer for Castle Valley Consultants.
  • Code Related Services

Happy Clients
Projects Completed
Cups of Coffee

We Always Strive To Understand Our Clients Needs.

For over 20 years, the key to our business is developing long-term relationships with our customers, employees, and partners.  We’ve accomplished this by providing top-notch service and by taking the time to understand the needs of our clients.

We Listen

We are committed to listening to clients, understanding your needs, and working together to achieve success.

We Care

We care about people and the planet.  We are committed to respect and excellence in everything we do.

We Create Value

We want to contribute to a world that provides a viable future with enhanced quality of life for everyone.

” Integrity and trustworthiness are in fact the greatest things we have to offer you. ”