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18 Saint Marks Ave, Brooklyn, NY 11217 Property Records

New York City property record for 18 Saint Marks Ave, Brooklyn, NY 11217

Property Summary

Property TypeDuplex
Details3,096 sqft · built 1901
Lot Size0.035 acres (1,509 sqft)
Owner2 Individual Names on Record
Last Sale$545,000 (Oct 2006)
Tax Bill$9,014 (2025)
Deeds & MortgagesMay 2020 Mortgage
Apr 2020 Loan Modification
APN00935-0015

Property Details

APN / Parcel Number

Primary APN00935-0015
Alternative APNs
  • 0401009350015
  • 3-00935-0015

Interior

Units2 Units
Stories3 Stories
Building Area3,096 sqft Living Area
1st Floor Area750 sqft

Exterior

Year BuiltBuilt 1901
Effective Year BuiltEffective 1901
Architectural StyleDuplex Single
Lot Area1,509 sqft (0.035 acres)
Lot Dimensions80.5 ft deep x 18.8 ft wide

Location & Zoning

Account Number3-00935-0015
Street Address18 SAINT MARKS AVE
CityBROOKLYN
StateNY
Zip11217-2404
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR6B
Legal Block935
Legal Lot Number15
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group2
Census Block2006
Census Tract12902

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 Record2 Individual Names on Record
Mailing Address18 SAINT MARKS AVE, BROOKLYN, NY 11217-2404
OccupancyOwner Occupied
Owner TypeIndividual
VestingIndividual(s)

Deeds, Mortgages & Sale History

DateDocument
May 4, 2020Quit Claim Deed, Transfer
QUICKEN LNS
Apr 8, 2020Loan Modification, Mortgage · Conventional Mortgage
QUICKEN LNS

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 6, 2006 · Amount on Record
Deed SaleOct 6, 2006 · Amount on Record
Prior SaleFeb 28, 2002
Deed Document Number2006564444
Prior Transfer DateAug 28, 2006
Prior Transfer Doc0000564444
Record UpdatedOct 29, 2026

May 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionKINGS (BROOKLYN) NY
Recording DateMay 4, 2020
Property Address18 SAINT MARKS AVE, BROOKLYN, NY 11217-2404
Document Number0000138832
Instrument DateApr 8, 2020
Instrument138832
Transaction TypeTransfer
Record UpdatedJun 5, 2020
Title CompanyMONOPOLY ABSTRACT CORPORATION, MONOPOLY ABS CORP

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address18 SAINT MARKS AVE BROOKLYN NY 112172404, BROOKLYN, NY 11217-2404

Mortgage

Document Number138835
DateMay 4, 2020
Instrument138835
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
AmountAmount Recorded
Term360 Months
DueMay 3, 2050

April 2020: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionKINGS (BROOKLYN) NY
Property Address18 SAINT MARKS AVE, BROOKLYN, NY 11217-2404
Document Number0000138836
Instrument DateApr 8, 2020
Transaction TypeMortgage
Record UpdatedJun 5, 2020
Title CompanyMONOPOLY ABSTRACT CORPORATION, MONOPOLY ABS CORP

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address18 SAINT MARKS AVE BROOKLYN NY 112172404, BROOKLYN, NY 11217-2404

Mortgage

Document Number0000138836
DateMay 4, 2020
Instrument138836
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueMay 3, 2050
Interest
Rate TypeFixed Rate
Rate3.25%

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$268,380 (+17.12%) Land $32,160 Building $236,220$4,473,000 (+17.12%) Land $536,000 Building $3,937,000
2025$9,014.00 (+7.67%)
2023$8,372.00$229,140 Land $32,160 Building $196,980$3,819,000 Land $536,000 Building $3,283,000

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
Nearby Flood Claims4 (1978–2023)
Claims Outside the SFHA3 of 4
Most Recent ClaimSep 2023 · Severe Storm And Flooding

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 1,378 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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