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From Babylon and Huntington to Montauk

Water Damage Restoration in Suffolk County

Suffolk County stretches more than 80 miles, from the Nassau line to Montauk Point and Orient, across ten towns and about 1.5 million people. Water damage here looks different from the rest of the metro area: most homes rely on cesspools or septic systems, the Great South Bay and the Sound bring coastal flooding, and the East End has thousands of seasonal homes that sit empty in winter.

Suffolk County at a glance

Towns
Babylon, Brookhaven, Huntington, Islip, Smithtown and the five East End towns
Homes on cesspools or septic
About 74% (Suffolk County)
Contractor licensing
Suffolk County Dept. of Labor, Licensing & Consumer Affairs

Answered 24/7 · free to call

Aerial view of tidal marsh and a winding river on Long Island after Hurricane Sandy
Wertheim National Wildlife Refuge in Shirley, Suffolk County, from the air after Hurricane Sandy. Photo: U.S. Fish and Wildlife Service, Public Domain Mark 1.0

Water damage risks across Suffolk

Cesspool and septic backups

According to Suffolk County, about 360,000 homes, roughly 74%, are not connected to a sewer. When a cesspool fills up or the ground around it is saturated by heavy rain or high groundwater, wastewater backs up into the lowest drain in the house, usually in the basement. Stop using water, and call a cesspool service company to pump and inspect the system, as well as a restoration company for the cleanup.

Flash flooding inland

The August 2014 storm that dropped 13.57 inches on Islip in 24 hours, the New York State record, flooded homes and roads across central Suffolk, including Bay Shore, Brentwood, Central Islip and Ronkonkoma. Inland flooding happens when storm drains and recharge basins cannot keep up, not only near the water.

South Shore and Fire Island

From Lindenhurst and Babylon to Mastic Beach and Fire Island, the South Shore faces surge and tidal flooding. Sandy flooded thousands of homes along the Great South Bay in 2012.

East End second homes

In the Hamptons, the North Fork and Shelter Island, many houses sit empty for weeks at a time in winter. A pipe that bursts in an empty house can run until someone checks in, which turns a small repair into a whole-house job. Water sensors, remote thermostats and automatic shut-off valves are worth the cost.

Water service and shut-offs

The Suffolk County Water Authority supplies most of the county, with some areas served by local water districts or private wells, especially on the East End. Your provider is on your water bill, and it can shut off the curb valve if your inside main valve fails. Homes on private wells can stop the flow by turning off the well pump at its breaker.

Choosing a restoration company in Suffolk

  • Ask for the company’s Suffolk County home improvement license, issued by the Department of Labor, Licensing and Consumer Affairs.
  • For cesspool backups, expect the restoration team to treat the water as Category 3 (contaminated) and remove porous materials it touched.
  • Ask how the team will dry finished basements, including behind the walls.
  • If mold over 10 square feet is involved, New York requires a licensed mold assessor and a separate licensed remediator.

Septic upgrades after a backup

If your cesspool has failed, Suffolk County’s septic improvement program offers grants toward replacing old systems with innovative, nitrogen-reducing systems. A licensed septic or cesspool company can tell you whether your property qualifies. It is worth asking about before you simply replace a failed cesspool with another one.

Every community we take calls from in Suffolk County

This is the full list of Suffolk County communities covered. If yours is not listed, call anyway: the team will tell you right away whether it can help.

107 communities in Suffolk County. Linked names have their own page.
CommunityZIP codes
Amagansett11930
Amityville11701
Aquebogue11931
Babylon11702
Bay Shore11706
Bayport11705
Bellport11713
Blue Point11715
Bohemia11716
Brentwood11717
Bridgehampton11932
Brightwaters11718
Brookhaven11719
Calverton11933
Center Moriches11934
Centereach11720
Centerport11721
Central Islip11722
Cold Spring Harbor11724
Commack11725
Copiague11726
Coram11727
Cutchogue11935
Deer Park11729
East Hampton11937
East Islip11730
East Marion11939
East Moriches11940
East Northport11731
East Quogue11942
East Setauket11733
Eastport11941
Farmingville11738
Fishers Island06390
Great River11739
Greenlawn11740
Greenport11944
Hampton Bays11946
Hauppauge11788
Holbrook11741
Holtsville11742
Huntington11743
Huntington Station11746
Islandia11749
Islip11751
Islip Terrace11752
Jamesport11947
Kings Park11754
Lake Grove11755
Laurel11948
Lindenhurst11757
Manorville11949
Mastic11950
Mastic Beach11951
Mattituck11952
Medford11763
Melville11747
Middle Island11953
Miller Place11764
Montauk11954
Moriches11955
Mount Sinai11766
Nesconset11767
New Suffolk11956
North Babylon11703
Northport11768
Noyack11963 (shared ZIP)
Oakdale11769
Ocean Beach11770
Orient11957
Patchogue11772
Peconic11958
Port Jefferson11777
Port Jefferson Station11776
Quogue11959
Remsenburg11960
Ridge11961
Riverhead11901
Rocky Point11778
Ronkonkoma11779
Sag Harbor11963
Sagaponack11962
Saint James11780
Sayville11782
Selden11784
Shelter Island11964
Shelter Island Heights11965
Shirley11967
Shoreham11786
Smithtown11787
Sound Beach11789
South Jamesport11970
Southampton11968
Southold11971
Speonk11972
Stony Brook11790, 11794
Upton11973
Wading River11792
Wainscott11975
Water Mill11976
West Babylon11704
West Islip11795
West Sayville11796
Westhampton11977
Westhampton Beach11978
Wyandanch11798
Yaphank11980

Common questions

Water damage in Suffolk County: common questions

Do you serve the Hamptons and the North Fork?

Yes, calls are accepted from across Suffolk, including the South Fork, North Fork and Shelter Island. The full list of communities and ZIP codes is below, and our Hamptons page covers second-home and coastal risks on the South Fork.

My basement drain backed up and I have a cesspool. Who do I call?

Stop using water first. Then call a cesspool or septic service company to pump and inspect the system, and a restoration company to clean up and disinfect the basement. Backups are contaminated water, so porous materials they touched usually need to be removed.

Does Suffolk County license restoration contractors?

Companies doing home improvement work on residential property must hold a license from the Suffolk County Department of Labor, Licensing and Consumer Affairs. Ask for the license number before signing.

Is cesspool backup damage covered by insurance?

Usually only if you have a water backup endorsement on your homeowners policy. Damage from a system that failed from age or lack of maintenance may be limited. Check your policy and call your agent.

How do I protect a second home from burst pipes?

Keep the heat at 55°F or more, shut off and drain the water if the house will be empty for a long time, install a water leak sensor or automatic shut-off valve, and have someone check the house after severe cold.

Local water damage help in Suffolk County

Call (800) 000-0000, 24 hours a day, 7 days a week.

Call (800) 000-0000
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