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471-475 Keap Street, Brooklyn

Brooklyn • Block 02371 • Lot 0040 • Zip: 11211

Condition

What the city currently has open against this building, counted from its own records.

Address

Primary address: 471-475 Keap Street, Brooklyn
Borough: Brooklyn
Zip code: 11211
Block: 02371
Lot: 0040
BBL: 3023710040
Unified address ID: 3023710040

Land use and zoning

Land use: Multi-Family Walk-Up Buildings
Zoning: M1-2/R6 (Mixed Manufacturing & Residential)
Lot type: Inside
Lot area: 4,400 sq ft
Lot dimensions: 44 ft x 99 ft
Built FAR: 3.9
Max residential FAR: 2.43
Max commercial FAR: 2
Max facility FAR: 4.8
School district: 14

Building

Building class: Walk-up Apartments - Over Six Families Without Stores (C1)
Year built: 1910
Last altered: 2007
Floors: 4
Total units: 13
Residential units: 13
Building area: 17,152 sq ft
Building dimensions: 40 ft x 99 ft
Basement: Below grade full basement
Owner: KEAP LOFTS LLC

Latest assessment

Assessment year: 2018/19
Tax class: Apartments
Market value: $2,102,000
Total assessment: $945,900
Land assessment: $108,900
Exempt total: $0
Assessment owner: KEAP LOFTS LLC

Neighborhood

The area this lot falls inside, and the commute Hoodkit measures from it.

Neighborhood Williamsburg
District Brooklyn

Getting around

Estimated 4 days ago
Nearest station

About 5 minutes on foot · 308 m

  • Union Square 19 min 5 walking, 14 riding
  • Downtown Brooklyn 28 min 5 walking, 23 riding
  • Grand Central 30 min 5 walking, 25 riding
  • Times Square 31 min 5 walking, 26 riding
  • Fulton Street 32 min 5 walking, 27 riding
  • Penn Station 33 min 5 walking, 28 riding

Around this address

Transit and places within 0.5 miles of the lot.

Activity

Sales, filings, permits and violations from every dataset, in one order.

2026

  1. HPD violation Jun 15, 2026

    Class B

    § 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING ...

  2. HPD violation Jun 15, 2026

    Class C

    § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR/TRIP HAZARD IN THE 2nd RO...

  3. HPD violation May 5, 2026

    Class A

    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION ...

  4. HPD violation Mar 10, 2026

    Class B

    § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE ...

2025

  1. HPD violation Jan 21, 2025

    Class A

    § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCH AT ENTRANCE DOOR IN THE ENTRANCE LOCATED AT A...

  2. HPD violation Jan 21, 2025

    Class A

    § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE VENTILATION AT CEILING IN THE PRIVATE HALLWAY LOCAT...

2021

  1. DOB violation Mar 12, 2021

    E-ELEVATOR ELEVATORREQUIRED

2020

  1. DOB violation Feb 28, 2020

    E-ELEVATOR ELEVATORREQUIRED

2018

  1. DOB violation Feb 22, 2018

    E-ELEVATOR ELEVATORREQUIRED

2017

  1. DOB violation Aug 28, 2017

    E-ELEVATOR ELEVATORREQUIRED

2016

  1. DOB violation Dec 1, 2016

    EVCAT1-ELEVATOR ANNUAL INSPECTION / TEST ELEVATORREQUIRED

    VIOLATION ISSUED TO ELEVATOR-FAILURE TO FILE CATEGORY 1 2015 INSPECTION/TEST

  2. DOB violation Jun 1, 2016

    EVCAT5-NON-RESIDENTIAL ELEVATOR PERIODIC INSPECTION/TEST ELEVATORREQUIRED

    FAILURE TO PERFORM CATEGORY 5 INSPECTION

2015

  1. ECB violation May 8, 2015 $0

    CLASS - 2

    67X10,05X10,40R09,71X10,99BB05,69M07. 67X10-REPAIR EMERGENCY PHONE;05X10-REPAIR DOOR ZONE LOCK; 40R09-REMOVE NOT ELEV...

2011

  1. Sale Mar 17, 2011 $3,630,000

    Changed hands

    471 KEAP STREET

2010

  1. DOB filing Sep 9, 2010 $250,000

    Alteration Type I

    PROPOSED CONVERSION FROM MANUFACTURINGTO RESIDENTIAL UNITS AND NEW FOURTH FLOOR VERTICAL ENLARGEMENT REMOVE INTERIOR ...

  2. DOB filing Sep 2, 2010 $36,000

    Alteration Type II

    INSTALLATION OF SPRINKLER SYSTEM AS PER PLAN. APPLICATION FILED IN CONJUNCTION WITH MAJOR ALTERATION#302143151.

  3. DOB filing Sep 1, 2010 $0

    Alteration Type III

    Builder's pavement plan checklist submitted herewith for total lot frontage of 44'-4' on Keap Street in conjunction w...

  4. DOB filing Aug 11, 2010 $75,000

    Alteration Type II

    Install mechanical equipment and related ductwork in conjunction with Construction being performed under alt type I: ...

  5. DOB filing Jul 16, 2010 $0

    Alteration Type III

2009

  1. Permit issued Jun 30, 2009

    PL / PL

    D.D.S. MECH PBG&HTG CORP

  2. Permit issued Jun 22, 2009

    EQ / EQ

    RYJAK, LLC

  3. Permit issued Jun 22, 2009

    AL

    RYJAK, LLC

  4. Permit issued Jan 20, 2009

    PL / PL

    D.D.S. MECH PBG&HTG CORP

  5. Permit issued Jan 16, 2009

    EW / SP

    AMD & ASSOCIATES INC

2008

  1. Permit issued Aug 29, 2008

    EQ / EQ

    RYJACK LLC

  2. ECB violation Feb 29, 2008 $800

    Hazardous

    UNSAFE USE OF STRUCTURES AS TIE IN ANCHORS FOR SCAFFOLD SCAFFOLD ARE 39' HIGH & NO PROPER TIE-IN 1ST ON HEIGHT 30' BY...

2007

  1. ECB violation Feb 6, 2007 $2,500

    Non-Hazardous

    EXPIRED PERMIT.AT TIME OF INSPECTION FENCE PERMIT #302143151 HAS EXPIRED ON 12/31/06.REMEDY:RENEW PERMIT-POST ON FENCE

  2. ECB violation Jan 17, 2007 $250

    Non-Hazardous

    WORK W/O A PERMIT, EXPIRED PERMIT. NOTED: CONST FENCE PERMIT #302143151 HAS EXPIRED ON 12/31/06. (ONGOING WORK). REME...

2006

  1. Sale Jan 19, 2006 $1,672,500

    Changed hands

    471 KEAP STREET

2000

  1. DOB filing Apr 20, 2000 $4,000

    Alteration Type II

    INSTALL EXHAUST SYSTEM FOR PAINT SPRAY ROOM NO CHANGE IN EGRESS OR OCCUPANCY INVOLVE D WITH THIS APPLICATION.

1993

  1. ECB violation Aug 11, 1993 $700

    Non-Hazardous

    OCCUPANCY CONTRARY TO THAT ALLOWED BY THE BUILDING DEPARTMENT RECORDS THE 2ND FLOOR OF ABOVE FACTORY BUILDING IS OCCU...

The most recent 6 events from each dataset, so no one source takes the axis. Each tab holds the full record.

Property Contacts

Contact information aggregated from multiple government sources

1

Registration Contracts

Contact information from multiple dwelling registrations

CorporateOwner
KEAP LOFTS LLC
35 Spencer st 111
Brooklyn, NY, 11205
Agent
GUARDEUM MANAGEMENT
35 Spencer st 111
Brooklyn, NY, 11205
HeadOfficer
MENDEL JACOBS
35 Spencer st 111
Brooklyn, NY, 11205
Officer
JOEL JACOBS
35 Spencer st 111
Brooklyn, NY, 11205
Shareholder
MENDEL JACOBS
35 Spencer st 111
Brooklyn, NY, 11205
Shareholder
JOEL JACOBS
185 MARCY AVENUE 101
BROOKLYN, NY, 11211
SiteManager
MARTIN JACOBS
2

Building Permits

Owner information from Department of Buildings filings

Owner
Treetop Developement LLC
Adam Mermelstein
Owner
TREETOP DEVELOPMENT LLC
ADAM MERMELSTEIN
Owner
471 Keap street LLC
Adam Mermelstein
Owner
N/A
ADAM MERMELSTEIN
Owner
THE MURPHY BED CENTER OF NY DBA
ROBERT MEYERS
4

Deed Records

Parties from ACRIS deed and mortgage records

PARTY 1
P.O. BOX 110484
BROOKLYN, NY, 11211
MORTGAGOR/BORROWER
P.O. BOX 110484
BROOKLYN, NY, 11211
ASSIGNOR
P.O. BOX 110484
BROOKLYN, NY, 11211
MORTGAGEE/LENDER
1 JERICHO PLAZA, 3RD FL
JERICHO, NY, 11753
ASSIGNOR/OLD LENDER
200 LIBERTY STREET, 17TH FL
NEW YORK, NY, 10281
ASSIGNOR/OLD LENDER
200 LIBERTY STREET, 17TH FL
NEW YORK, NY, 10281
ASSIGNOR/OLD LENDER
200 LIBERTY STREET, 17TH FL
NEW YORK, NY, 10281
MORTGAGEE/LENDER
200 LIBERTY STREET, 17TH FLOOR
NEW YORK, NY, 10281
PARTY 2
FKA SOVEREIGN BANK
200 LIBERTY STREET, 17TH FLOOR
NEW YORK, NY, 10281
MORTGAGEE/LENDER
200 LIBERTY STREET, 17TH FLOOR
NEW YORK, NY, 10281

Show all recorded documents

5

Property Records

Owner information from assessment and PLUTO records

Assessment Owner
PLUTO Owner