21 E Gate Dr, Mount Sinai, NY 11766 Property Records

Suffolk County and Brookhaven Town property record for 21 E Gate Dr, Mount Sinai, NY 11766

Property Summary

Property TypeSingle Family Home
Details4 bd · 1 ba · 1,948 sqft · built 1974
Lot Size0.35 acres (15,246 sqft)
OwnerIndividual Name on Record
Tax Bill$12,140 (2024)
Deeds & MortgagesOct 2020 Sale
Jun 2017 Transfer
Flood ZoneZone X (minimal risk)
APN0200-116.00-03.00-032.000

Property Details

APN / Parcel Number

Primary APN0200-116.00-03.00-032.000
Alternative APNs
  • 472289 116.00-03-032.000
  • 228911600000030320000000
  • 00001133530
  • 0001133530
  • 1133530

Interior

Bedrooms4 Beds
Full Baths1 Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area1,948 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1974
Effective Year BuiltEffective 1974
Architectural StyleColonial
Exterior MaterialBrick
Lot Area15,246 sqft (0.35 acres)
View / LotWaterfront

Utilities, Heating & Cooling

Heating SystemRadiant

Location & Zoning

Account Number1133530
Street Address21 E GATE DR
CityMOUNT SINAI
StateNY
Zip11766-1703
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionPLEASANT HILLS 4160 SEC 4 180
Legal SubdivisionPLEASANT HILLS
Legal Block6000
Legal Lot Number300
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group2
Census Block2004
Census Tract158205

Owner

Source: Suffolk County and Brookhaven Town records, as of August 11, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address21 E GATE DR, MOUNT SINAI, NY 11766-1703
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Oct 25, 2020Grant Deed, Transfer
NOT AVAILABLE
Jun 30, 2017Quit Claim Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateNov 10, 2016
Transfer Doc0129190013
Record UpdatedSep 20, 2026

October 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSUFFOLK NY
Recording DateOct 25, 2020
Property Address21 E GATE DR, MOUNT SINAI, NY 11766-1703
Document Number0130750594
Book / Page013075 / 000594
Instrument DateAug 30, 2020
Transaction TypeTransfer
Record UpdatedDec 29, 2020
Title CompanyNOT AVAILABLE

Transaction

AmountAmount Recorded
Tax$1,992.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address592 BELLA LOOP DUNEDIN FL 346981829, DUNEDIN, FL 34698-1829

June 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSUFFOLK NY
Recording DateJun 30, 2017
Property Address21 E GATE DR, MOUNT SINAI, NY 11766-1703
Document Number0129190013
Book / Page012919 / 000013
Instrument DateNov 10, 2016
Transaction TypeTransfer
Record UpdatedJan 14, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipIrrevocable Trust
Address21 E GATE DR MOUNT SINAI NY 117661703, MOUNT SINAI, NY 11766-1703

Tax Assessment & Valuation

Source: Suffolk County and Brookhaven Town assessment roll, as of August 11, 2026

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionBrookhaven Town
Unified School DistrictMount Sinai Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$2,945 (-) Land $300 Building $2,645$613,542 (+11,149.39%) Land $56,604 Building $499,057
2024$12,140.00
2023$2,945 Land $300 Building $2,645$5,454 Land $556 Building $4,898

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies5 in force
Nearby Flood Claims2 (1979–2012)
Claims Outside the SFHA1 of 2
Most Recent ClaimOct 2012 · Hurricane Sandy

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · above 54% of New York
Wildfire Likelihood0.01% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people · EPA ID NY5110526
Water SourceGroundwater
Last State InspectionJan 2024
Lead1 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityAsbestos
resolved · Jul 2020
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 138 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Cable · Fiber in parts of the area
940 / 35
Verizon
Fixed Wireless · Fiber in parts of the area
300 / 20

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