About John Trombley Construction in Castleton, VT

Three Generations of Excavation and Construction Excellence in Castleton

When you need excavation, septic services, or construction work in Castleton, you're choosing a team that has served Vermont and New York families and businesses since 1976. John Trombley Construction brings three generations of hands-on experience to every residential and commercial project, treating your property with the care and precision it deserves.


Family-owned and operated for nearly five decades, our company was built on a foundation of quality workmanship, honest communication, and long-term client satisfaction. We understand that your project is an investment, and we approach each job with the professionalism and attention to detail that have earned us trust across the region.


Our values are simple: deliver reliable service, maintain open jobsite communication, and stand behind every piece of work we complete. You can count on us to show up prepared, stay code-compliant, and leave your site better than we found it.



Discover how decades of local expertise can make your next project smoother and more successful.

Established in Castleton and Connected to Vermont's Landscape

Our story began in 1976, when the Trombley family set out to provide dependable excavation and construction services to neighbors across Castleton and the surrounding communities. Over the years, we've expanded our capabilities to include septic system installation, site work, and outdoor construction—always adapting to meet the evolving needs of Vermont and New York property owners.


Working in Castleton means understanding the rolling hills, rocky soil, and harsh winters that define this beautiful region. From frozen ground in February to muddy spring conditions, we know how to plan, execute, and protect your investment no matter the season. Our team has navigated every challenge this terrain presents, and we use that knowledge to deliver work that lasts.


We're proud to support homeowners and businesses across Castleton, helping our community thrive through dependable service and lasting relationships. Many of our clients have worked with us for decades, and some have even referred their own children and grandchildren—a testament to the trust we've earned over three generations.



Learn more about how we can bring our experience to your property.

Our experienced team brings over 70 combined years of expertise in excavation, septic systems, construction, and outdoor services. We're fully licensed and insured, and we partner with a local engineering firm to ensure every septic system design and installation meets Vermont and New York's demanding codes. You can trust that your project will be completed safely, correctly, and with long-term performance in mind.

Where Vermont Craftsmanship Meets Engineering and Safety Standards

Family-owned since 1976 with three generations of construction and excavation knowledge guiding every project

Over 70 combined years of hands-on experience across residential and commercial work

Fully licensed and insured with a proven track record of safe, code-compliant operation

Deep roots in Castleton and a reputation built on word-of-mouth referrals and multi-generation customer relationships

Free estimates and transparent project guidance to help you plan with confidence and clear expectations

When you're ready to move forward with excavation, septic, or construction services in Castleton, VT, you can count on John Trombley Construction to deliver the quality and communication you deserve. Reach out today for a free estimate and experience the difference that three generations of local expertise can make.