345 Adelphi St, Brooklyn, NY 11238 Property Records

New York City property record for 345 Adelphi St, Brooklyn, NY 11238

Property Summary

Property TypeDuplex
Details4,040 sqft · built 1899
Lot Size0.048 acres (2,083 sqft)
OwnerIndividual Name on File
Last Sale$1,200,000 (Dec 2004)
Tax Bill$12,584 (2025)
Deeds & MortgagesAug 2020 Mortgage
Jun 2020 Loan Modification
+ 1 more
APN02121-0011

Property Details

APN / Parcel Number

Primary APN02121-0011
Alternative APNs
  • 0706021210011
  • 3-02121-0011

Interior

Units2 Units
Stories3 Stories
Building Area4,040 sqft Living Area
1st Floor Area958 sqft

Exterior

Year BuiltBuilt 1899
Effective Year BuiltEffective 1899
Architectural StyleDuplex Single
Lot Area2,083 sqft (0.048 acres)
Lot Dimensions100 ft deep x 20.8 ft wide

Location & Zoning

Account Number3-02121-0011
Street Address345 ADELPHI ST
CityBROOKLYN
StateNY
Zip11238-1056
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR6B
Legal Block2121
Legal Lot Number11
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group4
Census Block4003
Census Tract18100

Historic Designation

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

Historic DistrictWithin the Fort Greene Historic District
listed 1983 · 784 contributing resources · NRIS 83001691

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

Owner

345 Adelphi St, a duplex, is owned and occupied by an individual who bought it in December 2004.

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

Owner of RecordIndividual Name on File
Mailing Address345 ADELPHI ST, BROOKLYN, NY 11238-1056
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

DateDocument
Aug 4, 2020Deed of Trust, Mortgage
CITIZENS BANK, N.A.
Jun 25, 2020Loan Modification, Mortgage
CITIZENS BK NA
Jun 15, 2020Loan Modification, Mortgage · Line of Credit
FIRST NAT'L BK/LONG ISLAND

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 1, 2004 · Amount on File
Deed SaleDec 1, 2004 · Amount on File
Prior SaleFeb 15, 2001 · Amount on File
Deed Document Number2004741217
Record UpdatedOct 29, 2026

August 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKINGS (BROOKLYN) NY
Property Address345 ADELPHI ST, BROOKLYN, NY 11238-1056
Transaction TypeMortgage
Record UpdatedOct 24, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000219473
DateAug 4, 2020
Instrument2020000219473
Lender
NameCITIZENS BANK, N.A.
Address1 CITIZENS PLZ, PROVIDENCE, RI 02903
Agreement
AmountAmount on Record

June 2020: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionKINGS (BROOKLYN) NY
Property Address345 ADELPHI ST, BROOKLYN, NY 11238-1056
Document Number0000219474
Instrument DateJun 25, 2020
Transaction TypeMortgage
Record UpdatedAug 20, 2020
Title CompanyKENSINGTON VANGUARD NATIONAL LAND, KENSINGTON VANGUARD NAT'L LAND

Transferred To (Grantee/Buyer)

NameVerified Name
Address345 ADELPHI ST BROOKLYN NY 112381056, BROOKLYN, NY 11238-1056

Mortgage

Document Number0000219474
DateAug 4, 2020
Instrument219474
Lender
NameCITIZENS BK NA
Address1 CITIZENS PLZ, PROVIDENCE, RI 02903-1344
Agreement
AmountAmount on Record
Term180 Months
DueAug 3, 2035
Interest
Rate TypeFixed Rate
Rate2.62%

June 2020: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionKINGS (BROOKLYN) NY
Property Address345 ADELPHI ST, BROOKLYN, NY 11238-1056
Document Number0000219469
Instrument DateJun 15, 2020
Transaction TypeMortgage
Record UpdatedAug 20, 2020
Title CompanyABSTRACTS INC.

Transferred To (Grantee/Buyer)

NameVerified Name
Address345 ADELPHI ST BROOKLYN NY 112381056, BROOKLYN, NY 11238-1056

Mortgage

Document Number0000219469
DateAug 4, 2020
Instrument219469
Lender
NameFIRST NAT'L BK/LONG ISLAND
TypeBank
AddressGLEN HEAD, NY 11545
Agreement
TypeLine of Credit
AmountAmount on Record
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 345 Adelphi St was $12,584.

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$242,640 Land $17,100 Building $225,540$4,044,000 Land $285,000 Building $3,759,000
2025$12,584.00
2023$11,872.00$249,120 Land $17,100 Building $232,020$4,152,000 Land $285,000 Building $3,867,000

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 345 Adelphi St; there have been 1 flood claim nearby since 2012.

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
Nearby Flood Claims1 (2012)
Most Recent ClaimOct 2012 · Hurricane Sandy

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 345 Adelphi St 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 1,496 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.

Nearby Properties on Adelphi St

Nearby Streets

Search Property Records by Address or Parcel Number