Gutter guard installation typically costs between $4 and $11 per linear foot in the Long Island area, depending on the type of system you choose. Basic mesh systems start at the lower end, while premium micro-mesh systems with professional installation are at the higher end.For most North Lindenhurst homes with around 200 linear feet of gutters, you’re looking at $1,500 to $3,500 total. The investment pays for itself through reduced cleaning costs and prevented water damage. Most homeowners save $120 to $500 annually on maintenance alone.We provide detailed estimates that break down exactly what you’re getting for your investment, so there are no surprises.