Tri-County General Contractors is owned and operated by Tom Thornton who has worked in residential and commercial construction since the seventies. When you are looking for a general contractor honesty and dependability are the most important things to look for. Estimates need to be accurate and work needs to be completed on time. Tri-county General Contractors have satisfied customers all over Delaware County, Montgomery County, Chester County and the Main Line. Take a look at the reviews on our website or on our Google Places Account to see what our customers think. Our most common projects are home additions, kitchen remodeling, bathroom remodeling, and custom home building.