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634 Classon Ave, Brooklyn, NY 11238 Property Records

New York City property record for 634 Classon Ave, Brooklyn, NY 11238

Property Summary

Property TypeMixed Use Commercial Office / Residential
Details6,250 sqft · built 1931
Lot Size0.056 acres (2,450 sqft)
Owner2 Company Names on Record
Last Sale$22,072,796 (Jul 2021)
Tax Bill$3,131 (2025)
Deeds & MortgagesNov 2021 Mortgage
Jul 2021 Sale & Mortgage
+ 2 more
APN01141-0043

Property Details

APN / Parcel Number

Primary APN01141-0043
Alternative APNs
  • 0407011410043
  • 3-01141-0043

Interior

Units16 Units
Stories4 Stories
Building Area6,250 sqft Gross Area
1st Floor Area1,225 sqft

Exterior

Year BuiltBuilt 1931
Effective Year BuiltEffective 1931
Lot Area2,450 sqft (0.056 acres)
Lot Dimensions100 ft deep x 24.5 ft wide
View / LotCorner
Garage Area1,250 sqft
Parking Spaces5 Parking Spaces

Location & Zoning

Account Number3-01141-0043
Street Address634 CLASSON AVE
CityBROOKLYN
StateNY
Zip11238-3229
Property CategoryCommercial
Property TypeCommercial > Office > Mixed Use Commercial Office / Residential
Local Zoning CodeR6A
Legal Block1141
Legal Lot Number43
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group1
Census Block1004
Census Tract30500

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 Company Names on Record
Mailing Address253 W 35TH ST, 3, NEW YORK, NY 10001-1913
Owner TypeCompany
VestingGovernment

Deeds, Mortgages & Sale History

DateDocument
Nov 12, 2021Deed of Trust, Mortgage
STERLING NATIONAL BANK
Jul 27, 2021Deed, Transfer
ROCKROSE LLC
Feb 26, 2021Deed, Transfer
Jun 10, 2021Deed, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 27, 2021 · Amount on Record
Deed SaleJul 27, 2021 · Amount on Record
Deed Document Number2021290055
Record UpdatedJun 8, 2026

November 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKINGS (BROOKLYN) NY
Property Address634 CLASSON AVE, BROOKLYN, NY 11238-3229
Transaction TypeMortgage
Record UpdatedAug 19, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000447995
DateNov 12, 2021
Instrument2021000447995
Lender
NameSTERLING NATIONAL BANK
Address1 JERICHO PLZ # 33, JERICHO, NY 11753
Agreement
AmountAmount Recorded

July 2021: Deed, Transfer

Document TypeDeed
JurisdictionKINGS (BROOKLYN) NY
Recording DateJul 27, 2021
Property Address634 CLASSON AVE, BROOKLYN, NY 11238-3229
Document Number0000290055
Instrument DateJun 24, 2021
Instrument2021000290055
Transaction TypeTransfer
Record UpdatedAug 19, 2022

Transaction

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

Transferred From (Grantor/Seller)

NameVerified Name
Address199 LEE AVE # 693, 199, BROOKLYN, NY 11211-8919

Transferred To (Grantee/Buyer)

NameVerified Name
AddressAS NOMINEE 253 WEST 35TH STREET 3RD FLOOR FL 3RD, 3, NEW YORK, NY 10001-1913
InvestorPossibly a Property Investor

Mortgage

Document Number0000290058
DateJul 27, 2021
Instrument2021000290058
Lender
NameROCKROSE LLC
Agreement
AmountAmount Recorded

February 2021: Deed, Transfer

Document TypeDeed
JurisdictionKINGS (BROOKLYN) NY
Recording DateFeb 26, 2021
Property Address634 CLASSON AVE, BROOKLYN, NY 11238-3229
Document Number0000070939
Instrument DateFeb 16, 2021
Instrument2021000070939
Transaction TypeTransfer
Record UpdatedAug 19, 2022

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address905 MCDONALD AVE, 905, BROOKLYN, NY 11218-5611

Transferred To (Grantee/Buyer)

NameVerified Name
Address905 MCDONALD AVE, BROOKLYN, NY 11218-5611
InvestorPossibly a Property Investor

June 2021: Deed, Transfer

Document TypeDeed
JurisdictionKINGS (BROOKLYN) NY
Recording DateJun 10, 2021
Property Address634 CLASSON AVE, BROOKLYN, NY 11238-3229
Document Number0000219234
Instrument DateFeb 16, 2021
Instrument2021000219234
Transaction TypeTransfer
Record UpdatedAug 19, 2022

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address905 MCDONALD AVE, 905, BROOKLYN, NY 11218-5611

Transferred To (Grantee/Buyer)

NameVerified Name
Address905 MCDONALD AVE, BROOKLYN, NY 11218-5611

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$840,150 (-20.25%) Land $4,500 Building $835,650$1,867,000 (-20.25%) Land $10,000 Building $1,857,000
2025$3,131.00 (+1.1%)
2023$3,097.00 Additional exemption filed$1,053,450 Land $4,500 Building $1,048,950$2,341,000 Land $10,000 Building $2,331,000

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 Policies1 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 1,216 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable		8,000 / 8,000
Verizon
Fiber · Fixed Wireless in parts of the area		2,300 / 2,300
Starry
Fixed Wireless · Fiber in parts of the area		800 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: Astound Broadband, Skywire Networks, Spectrum.

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