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100 Prospect Pl, Brooklyn, NY 11217 Property Records

New York City property record for 100 Prospect Pl, Brooklyn, NY 11217

Property Summary

Property TypeDuplex
Details3,420 sqft · built 1899
Lot Size0.043 acres (1,875 sqft)
Owner2 Individual Names on File
Last Sale$3,400,000 (Sep 2015)
Tax Bill$14,534 (2025)
Deeds & MortgagesAug 2021 Mortgage
APN00939-0021

Property Details

APN / Parcel Number

Primary APN00939-0021
Alternative APNs
  • 0401009390021
  • 3-00939-0021

Interior

Units2 Units
Stories3 Stories
Building Area3,420 sqft Living Area
1st Floor Area656 sqft

Exterior

Year BuiltBuilt 1899
Effective Year BuiltEffective 1899
Architectural StyleDuplex Single
Lot Area1,875 sqft (0.043 acres)
Lot Dimensions100 ft deep x 18.8 ft wide

Location & Zoning

Account Number3-00939-0021
Street Address100 PROSPECT PL
CityBROOKLYN
StateNY
Zip11217-5254
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR6B
Legal Block939
Legal Lot Number21
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group4
Census Block4002
Census Tract16100

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the Park Slope Historic District
listed 1980 · 1,802 contributing resources · NRIS 80002636

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

100 Prospect Pl, a duplex, is owned and occupied by two individuals who bought it in September 2015.

Source: New York City records, as of May 4, 2026

Owner of Record2 Individual Names on File
Mailing Address100 PROSPECT PL, BROOKLYN, NY 11217-5254
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 Names2 Names on Deed
Last SaleSep 8, 2015 · Amount on File
Deed SaleSep 8, 2015 · Amount on File
Deed Document Number2015313916
Prior Transfer DateMay 14, 2008
Prior Transfer Doc0000245696
Record UpdatedOct 29, 2026

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKINGS (BROOKLYN) NY
Property Address100 PROSPECT PL, BROOKLYN, NY 11217-5254
Transaction TypeMortgage
Record UpdatedDec 1, 2023

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000324879
DateAug 18, 2021
Instrument2021000324879
Lender
NameCITIZENS BANK, N.A.
Address1 CITIZENS PLZ, PROVIDENCE, RI 02903
Agreement
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 100 Prospect Pl was $14,534 with a veteran's exemption.

Source: New York City assessment roll, as of May 4, 2026

Property Jurisdictions

TypeName
StateNew York
CountyKings County
MunicipalityNew York City
Unified School DistrictNew York City Department Of Education (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$277,860 Land $44,460 Building $233,400$4,631,000 Land $741,000 Building $3,890,000
2025$14,534.00
2023$12,829.00 Homeowner's exemption Veteran's exemption$256,860 Land $44,460 Building $212,400$4,281,000 Land $741,000 Building $3,540,000

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA has no flood map on file for 100 Prospect Pl; there have been 1 flood claim nearby since 2021.

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

FEMA Flood ZoneNot on file
Nearby Flood Policies13 units insured
incl. 10 condo units
Nearby Flood Claims1 (2021)
Claims Outside the SFHA1 of 1
Most Recent ClaimSep 2021 · Remnants Of Hurricane Ida

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

The area around 100 Prospect Pl has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemNEW YORK CITY SYSTEM
serves 8,271,000 people · EPA ID NY7003493
Water SourceSurface water
Last State InspectionDec 2025
Lead10 ppb (2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureUncovered finished water reservoir
currently in violation since Feb 2017
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 1,378 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber · Fixed Wireless in parts of the area		2,300 / 2,300
Spectrum
Cable · Fiber in parts of the area		1,000 / 1,000
T-Mobile
Fixed Wireless		100 / 20

May also be available: Optimum, Skywire Networks, Starry.

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