Our Story

Established in 1993, JDT Construction is a full-service residential and commercial construction company specializing in installation, renovations, and repairs. We are experts in installing and repairing roofs, siding, gutters, windows and doors and home remodeling and home additions to the Montgomery, Delaware, and Philadelphia Counties, as well as the Jersey shore area. As a top-tier construction company, JDT is dedicated to safety, professionalism and quality work is evident through the satisfaction of thousands of customers. Our reputation is built on a history of performance and 100% satisfaction guarantee when the job is complete.  All of our workmanship comes with a five year guarantee.

Our Team

Jon Thir

Jon Thir

President

Jon established JDT in 1993 and has been in the industry 23+ years. Jon wanted to start a company that could pride themselves on quality craftsmanship using industry leading materials. Through the years he has developed strong relationships with many customers who have grown with the organization. Jon joined the US Navy shortly after graduation and served in California and Puerto Rico as a rescue swimmer, and an aviation electronics specialist on H-3 helicopters.

Jonathan Sweet

Jonathan Sweet

VP of Construction

Graduating from Philadelphia University in 2001 with a Bachelor of Science in Architecture, Jonathan has worked in residential architecture and construction since 1999. Raised in a construction family, Jonathan has been exposed to construction techniques for practically his entire life. In 2008, he started his own construction company, which he merged with JDT in 2014. Since then, Jonathan has designed and managed residential construction for JDT.

Rob Coughlin

Rob Coughlin

VP of Commercial Sales and Operations

Rob oversees quality control as well as P&L responsibilities for JDT. He graduated from Villanova University and is certified in construction and facilities management, ACI and snow removal procedures.

Rob has spent over 30 years in the construction/facilities management industries. His dedication and focus is centered around value engineering, problem solving, budgeting, team building and ensuring best-in-class quality service while delivering cost-effective solutions.

Jaime Pizzi

Jaime Pizzi

Manager of Business Administration

Jaime Pizzi has been working with JDT since 2009 as our Manager of Business Administration. She manages the day to day internal operations, works diligently to improve processes and policies, oversees staff, and leads our long-term organizational planning. Jaime also handles our accounting, advertising, and marketing needs and coordinates all JDT events. Because every day is different, Jaime loves the challenge of taking on new projects, while working with a fun and diverse group of employees.

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