Eastern Long Island's Trusted Irrigation Experts
Professional sprinkler system installation, maintenance, and winterization for residential and commercial properties across Eastern Long Island.
Call us today(631) 228-7343Full-Service Irrigation Solutions
New System Installation
Custom-designed irrigation systems engineered for your property. We handle everything from layout planning to final testing.
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Maintenance & Repair
Keep your system running at peak performance. We diagnose and fix broken heads, leaks, controller issues, and more.
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Winterization / Blowout
Protect your investment before the freeze. Our compressed-air blowout service prevents costly pipe damage all winter.
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Smart Controller Upgrades
Upgrade to Wi-Fi enabled smart controllers that adjust watering schedules based on weather and soil conditions.
Learn moreWhy Long Island Trusts 4EverGreen
What Our Customers Say
"4EverGreen installed our entire system in two days. Professional crew, clean work, and the lawn has never looked better. Highly recommend for anyone on the East End."
"We manage several commercial properties and 4EverGreen handles all of our irrigation. Reliable, responsive, and they know their stuff. Best contractor we've worked with."
"Called them for a blowout and they came out same week. Fair price, fast service. Been using them for three seasons now and won't go anywhere else."
Ready for a Greener Lawn?
Get a free, no-obligation quote from Eastern Long Island's irrigation experts. We'll assess your property and design the right system for your needs.
Or call directly(631) 228-7343