147 Chestnut St, Mount Sinai, NY 11766 Property Records

Suffolk County and Brookhaven Town property record for 147 Chestnut St, Mount Sinai, NY 11766

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 864 sqft · built 1949
Lot Size1.1 acres (47,916 sqft)
OwnerIndividual Name on File
Last Sale$109,000 (Nov 1998)
Tax Bill$12,395 (2024)
Deeds & MortgagesApr 2022 Refinance
Flood ZoneZone X (minimal risk)
APN0200-209.00-03.00-005.003

Property Details

APN / Parcel Number

Primary APN0200-209.00-03.00-005.003
Alternative APNs
  • 472289 209.00-03-005.003
  • 228920900000030050030000
  • 00001142821
  • 0001142821
  • 1142821

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area864 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1949
Effective Year BuiltEffective 1949
Exterior MaterialAluminum/Vinyl
Lot Area47,916 sqft
View / LotWaterfront

Utilities, Heating & Cooling

Heating SystemRadiant

Location & Zoning

Account Number1142821
Street Address147 CHESTNUT ST
CityMOUNT SINAI
StateNY
Zip11766-2330
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionO L SCHWENKE 398 35 N 139 PT 12
Legal SubdivisionSCHWENCKE O L
Legal Block9000
Legal Lot Number300
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group1
Census Block1006
Census Tract158306

Owner

147 Chestnut St is owned and occupied by an individual who bought it in November 1998.

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

Owner of RecordIndividual Name on File
Mailing Address147 CHESTNUT ST, MOUNT SINAI, NY 11766-2330
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleNov 25, 1998 · Amount on File
Deed SaleNov 25, 1998 · Amount on File
Deed Book / Page11930 / 807
Record UpdatedSep 20, 2026

April 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address147 CHESTNUT ST, MOUNT SINAI, NY 11766-2330
Transaction TypeMortgage
Record UpdatedJul 19, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0234050376
DateApr 15, 2022
Book Page23405/376
InstrumentDN003018
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount on Record
Term157 Months
DueMay 1, 2035

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$3,270 Land $375 Building $2,895$681,250 Land $70,755 Building $546,226
2024$12,395.00
2023$3,270 Land $375 Building $2,895$6,055 Land $694 Building $5,361

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 147 Chestnut St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1979.

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 Policies4 in force
Nearby Flood Claims5 (1979–1985)
Claims Outside the SFHA5 of 5
Most Recent ClaimSep 1985 · Hurricane Gloria

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

Wildfire risk around 147 Chestnut St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.2% of New York
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

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 268 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
T-Mobile
Fixed Wireless
100 / 20

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Chestnut St

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