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321 Prospect Ave, Brooklyn, NY 11215 Property Records

New York City property record for 321 Prospect Ave, Brooklyn, NY 11215

Property Summary

Property TypeDuplex
Details2,068 sqft · built 1901
Lot Size0.034 acres (1,473 sqft)
Owner2 Individual Names on Record
Last Sale$1,950,000 (Feb 2021)
Tax Bill$4,663 (2025)
Deeds & MortgagesFeb 2021 Sale & Mortgage
APN01054-0047

Property Details

APN / Parcel Number

Primary APN01054-0047
Alternative APNs
  • 0404010540047
  • 3-01054-0047

Interior

Units2 Units
Stories2 Stories
Building Area2,068 sqft Living Area
1st Floor Area553 sqft

Exterior

Year BuiltBuilt 1901
Effective Year BuiltEffective 1901
Architectural StyleDuplex Single
Lot Area1,473 sqft (0.034 acres)
Lot Dimensions80 ft deep x 18.4 ft wide

Location & Zoning

Account Number3-01054-0047
Street Address321 PROSPECT AVE
CityBROOKLYN
StateNY
Zip11215-5510
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR5B
Legal Block1054
Legal Lot Number47
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group3
Census Block3001
Census Tract14902

Owner

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

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

Owner of Record2 Individual Names on Record
Mailing Address350 LINCOLN PL, 4L, BROOKLYN, NY 11238-5843
Owner TypeIndividual
VestingIndividual(s)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 3, 2021 · Amount on Record
Deed SaleFeb 3, 2021 · Amount on Record
Prior SaleOct 16, 2001
Deed Document Number202141691
Record UpdatedOct 29, 2026

February 2021: Deed, Transfer

Document TypeDeed
JurisdictionKINGS (BROOKLYN) NY
Recording DateFeb 3, 2021
Property Address321 PROSPECT AVE, BROOKLYN, NY 11215-5510
Document Number0000041691
Instrument DateJan 20, 2021
Instrument2021000041691
Transaction TypeTransfer
Record UpdatedJul 9, 2021

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address321 PROSPECT AVE, 321, BROOKLYN, NY 11215-5510

Transferred To (Grantee/Buyer)

NameVerified Name
Address350 LINCOLN PL APT 4L, 4L, BROOKLYN, NY 11238-5843

Mortgage

Document Number0000041692
DateFeb 3, 2021
Instrument2021000041692
Lender
NameWELLS FARGO BANK, N.A.
Agreement
AmountAmount Recorded

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$193,080 (+48.64%) Land $20,340 Building $172,740$3,218,000 (+48.64%) Land $339,000 Building $2,879,000
2025$4,663.00 (+10.21%)
2023$4,231.00$129,900 Land $20,340 Building $109,560$2,165,000 Land $339,000 Building $1,826,000

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

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

FEMA Flood ZoneNot on file
Nearby Flood Policies3 in force

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 1,605 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, Starry.

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