MAINSTREET HOME IMPROVEMENTS is a medium-size, family owned Construction Company operating in Mercer County New Jersey since 1988. We specialize in installation of all types of vinyl siding, fiber cement siding like James Hardie Plank, cedar wood clapboard siding. We can build portico over your front door, or new deck on a back of your house. We also install replacement windows, seamless gutters and leaders, shutters, Tyvek & insulation.