Dry basements
Sump Pump Installation & Basement Waterproofing
Long Island basements flood for a handful of predictable reasons — high water table, sandy soil that moves water fast, and storm surge that arrives faster than any single pump can clear it. A dry basement is a system, not a pump.
Backup that works in an outage
The storm that floods your basement is the storm that takes the power. Backups are not optional here.
Sized to your water table
We measure actual inflow rate rather than fitting whatever the box store sells.
Water managed outside first
Grading, leaders and drains before pumps. Cheaper to keep water out than to pump it back.
Before-storm service
We test and service pumps ahead of hurricane season, not during it.
Primary pump with battery backup and alarm, Massapequa Park.
Sump Pumps & Waterproofing
from
$975
Installed price for a cast-iron primary pump in an existing pit with a new check valve and discharge. Battery backup, pit excavation and interior drain systems quoted after a site visit.
Battery Backup
French Drains
Storm-Season Ready
Sump Pumps & Waterproofing on Long Island, Explained
Why Long Island basements take on water
The water table across much of the south shore sits close to the surface, and it rises with sustained rain and with tide. Add sandy soil that carries water sideways quickly and a lot of housing stock built with block foundations and minimal exterior waterproofing, and the result is a basement that is fine for years and then is not.
Sandy is the reference point most homeowners here still use, and it is the right one. The houses that stayed dry were the ones with a working pump, a backup, and water directed away from the foundation before it ever reached the wall.
A backup pump is the whole point
A primary sump pump runs on house current. Nor’easters and hurricanes take house current down. A primary pump alone means you are protected in every scenario except the one that actually floods you.
Battery backup systems run for hours on their own and alarm when they engage. Water-powered backups use municipal pressure and never run out as long as the main is live, though they are only an option where you are on public water. We fit both and will tell you which suits your street.
Keep the water out before you pump it
The cheapest waterproofing on any house is free: extend your downspouts, clear the gutters, and re-grade so the first six feet of soil falls away from the foundation. A huge share of “groundwater” in Long Island basements is roof water landing at the wall.
When that is not enough, an interior French drain around the perimeter, tied into a properly sized pit, relieves hydrostatic pressure at the footing and gives the water a route that does not run across your floor.
Test it before the season
Pour five gallons into the pit. The float should rise, the pump should start, the water should leave, and the check valve should stop it coming back. If the pump hums but does not move water, the impeller is jammed. If it short-cycles, the check valve is failing.
Do this in September, not the night the storm is named.
STARTING FROM
$975
Backup that works in an outage
Sized to your water table
Water managed outside first
Before-storm service
Licensed master plumber · Fully bonded and insured
Is This an Emergency?
Water coming in right now? Call the 24/7 line and we will tell you what to shut off while the truck is on its way.
Call and speak to someone who works here. Average response across Nassau and western Suffolk is about 90 minutes.
Good questions
Sump Pumps & Waterproofing: What People Ask Us.
Do I really need a battery backup?
On Long Island, yes. The storms that flood basements here are the storms that take the power out. A primary pump alone protects you in every scenario except the one that actually happens.
How often should a sump pump be replaced?
Seven to ten years for a typical primary pump, sooner if it runs constantly. Test it every autumn by pouring five gallons into the pit before storm season, not during it.
Six Hundred Long Island Homeowners, and Counting.
Quick quote
Tell Us What It Is Doing. We Will Tell You What It Costs.
Every request gets a real answer from a real plumber within one business day. Some jobs need us to come and look first — if yours does, we will say so rather than guessing at a number.