121 Cooper St, Brooklyn, NY 11207 Property Records

New York City property record for 121 Cooper St, Brooklyn, NY 11207

Property Summary

Property TypeDuplex
Details2,889 sqft · built 1899
Lot Size0.044 acres (1,925 sqft)
OwnerIndividual Name on Record
Tax Bill$2,690 (2025)
APN03434-0051

Property Details

APN / Parcel Number

Primary APN03434-0051
Alternative APNs
  • 1109034340051
  • 3-03434-0051

Interior

Units2 Units
Stories2 Stories
Building Area2,889 sqft Living Area
1st Floor Area963 sqft

Exterior

Year BuiltBuilt 1899
Effective Year BuiltEffective 1899
Architectural StyleDuplex Single
Construction TypeFrame
Lot Area1,925 sqft (0.044 acres)
Lot Dimensions100 ft deep x 19.3 ft wide

Location & Zoning

Account Number3-03434-0051
Street Address121 COOPER ST
CityBROOKLYN
StateNY
Zip11207-2970
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR6
Legal Block3434
Legal Lot Number51
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group2
Census Block2000
Census Tract41100

Owner

Source: New York City records, as of May 4, 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 Address121 COOPER ST, BROOKLYN, NY 11207-2970
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateFeb 17, 1999
Record UpdatedJun 8, 2026

Tax Assessment & Valuation

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$115,260 (+28.58%) Land $12,360 Building $102,900$1,921,000 (+28.58%) Land $206,000 Building $1,715,000
2025$2,690.00 (+7.13%)
2023$2,511.00$89,640 Land $12,360 Building $77,280$1,494,000 Land $206,000 Building $1,288,000

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneNot on file
Nearby Flood Policies2 in force
Nearby Flood Claims1 (1979)
Most Recent ClaimFeb 1979 · tidal / storm surge

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 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 2,184 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
Optimum
Cable · Fiber in parts of the area
940 / 35

May also be available: Skywire Networks, Starry, T-Mobile.

Nearby Properties on Cooper St

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