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320 Union St, Brooklyn, NY 11231 Property Records

New York City property record for 320 Union St, Brooklyn, NY 11231

Property Summary

Property TypeMulti-Family Dwellings
Details3,300 sqft · built 1920
Lot Size0.051 acres (2,200 sqft)
Owner2 Individual Names on Record
Last Sale$3,400,000 (Oct 2024)
Tax Bill$11,725 (2025)
Deeds & MortgagesApr 2022 Sale
Jun 2021 Transfer
APN00435-0023

Property Details

APN / Parcel Number

Primary APN00435-0023
Alternative APNs
  • 0204004350023
  • 3-00435-0023

Interior

Units7 Units
Stories3 Stories
Building Area3,300 sqft Living Area
1st Floor Area1,100 sqft

Exterior

Year BuiltBuilt 1920
Effective Year BuiltEffective 1920
Architectural StyleMulti-Family
Lot Area2,200 sqft (0.051 acres)
Lot Dimensions100 ft deep x 22 ft wide

Location & Zoning

Account Number3-00435-0023
Street Address320 UNION ST
CityBROOKLYN
StateNY
Zip11231-5090
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Local Zoning CodeR6B
Legal Block435
Legal Lot Number23
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group5
Census Block5001
Census Tract7500

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 Address410 DEGRAW ST, BROOKLYN, NY 11231-4713
Owner TypeIndividual
VestingIndividual(s)

Deeds, Mortgages & Sale History

DateDocument
Apr 13, 2022Deed, Transfer
Jun 28, 2021Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 10, 2024 · Amount on Record
Deed SaleOct 10, 2024 · Amount on Record
Deed Document Number2024265785
Prior Transfer DateJun 18, 2021
Prior Transfer Doc0000244974
Record UpdatedOct 29, 2026

April 2022: Deed, Transfer

Document TypeDeed
JurisdictionKINGS (BROOKLYN) NY
Recording DateApr 13, 2022
Property Address320 UNION ST, BROOKLYN, NY 11231-5090
Document Number0000155456
Instrument DateMar 9, 2022
Instrument2022000155456
Transaction TypeTransfer
Record UpdatedApr 19, 2022

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address572 GRAND ST # STG1205, 572, NEW YORK, NY 10002-4380

Transferred To (Grantee/Buyer)

NameVerified Name
Address572 GRAND ST APT G1205, G1205, NEW YORK, NY 10002-2989

June 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionKINGS (BROOKLYN) NY
Recording DateJun 28, 2021
Property Address320 UNION ST, BROOKLYN, NY 11231-5090
Document Number0000244974
Instrument DateJun 18, 2021
Instrument2021000244974
Transaction TypeTransfer
Record UpdatedJul 6, 2021

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address572 GRAND ST APT 1205, 572, NEW YORK, NY 10002-2989

Transferred To (Grantee/Buyer)

NameVerified Name
Address572 GRAND ST APT G1205, G1205, NEW YORK, NY 10002-2989

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$1,086,300 (+56.96%) Land $182,250 Building $904,050$2,414,000 (+56.96%) Land $405,000 Building $2,009,000
2025$11,725.00 (+3.23%)
2023$11,358.00 Homeowner's exemption Senior Citizen's exemption$692,100 Land $182,250 Building $509,850$1,538,000 Land $405,000 Building $1,133,000

Assessed value is set for property tax purposes, not a market price estimate; it is 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 Policies2 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 1,577 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
Starry
Fixed Wireless		300 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: Optimum.

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