Hunterdon County, NJ
Built tougher. Hunterdon County, done right.
Gruchacz Construction delivers residential and commercial roofing, siding, and gutter systems across Flemington, Stockton, Lambertville, and greater Hunterdon County, New Jersey—crews that move like a machine and finishes that look like money.
GAF Certified Roofing Installer — manufacturer-backed systems, clean installs, zero excuses.
Certified
GAF Certified Roofing Installer
Manufacturer-backed systems, documented installs, and crews trained to the standard—so your roof isn’t a guess, it’s a specification.
Capabilities
Roofing & exteriors
Residential Roofing
Steep-slope systems engineered for NJ wind, ice, and heat.
DetailsCommercial Roofing
Low-slope discipline, drainage done right, minimal downtime.
DetailsSiding
Tight courses, sharp transitions, exterior armor that holds its line.
DetailsGutter Systems
Volume, velocity, and downspout strategy—no more waterfall corners.
Details