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MANHATTAN
21 ALLEN STREET
MANHATTAN · BIN 1003895
💬 Discuss this project
—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
1 Active Violation 2 old, status unconfirmed ▸FDNY Report ↗
Flood zone X
Locations of Work
ArchitecturePlumbingGeneral
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Permit Issued — active, not yet Signed-off
RoofUnder Construction3p · 1 filing · 9 docs
Floor 4Under Construction5p · 1 filing · 9 docs
Floor 3
Floor 2
Floor 1
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
21 Allen Street903/22/2026
Tang Brothers Holdings410/14/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Self Employee208/05/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Mercury Building AssociatesGeneral Contractor208/20/2026
American Standard P&H CororpPlumbing110/14/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM Engineering6244208/05/2026
Building Lifecycle
All (57)Filed (2)Permit Issued (3)Violation (40)Special Inspection (12)
10/13/2026
Permit issued — Plumbing
M01436628-S1-PL
08/18/2026
Permit issued — General Construction
M01436628-I1-GC
08/18/2026
Permit issued — General Construction
M01436628-I1-MS
08/05/2026
Filed — Alteration
FILE PLUMBING WORK AT APT #9, #11,#12 ON 4TH FLOOR TO REPLACE PLUMBING FIXTURES AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01436628-S1
08/05/2026
Filed — Alteration
FILE PLUMBING WORK AT APT #9, #11,#12 ON 4TH FLOOR TO REPLACE PLUMBING FIXTURES AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01436628-I1
08/03/2026
Special inspection requirement — Tenant Protection Plan Compliance
NARESH MAHANGU
08/03/2026
Special inspection requirement — Tenant Protection Plan Compliance
NARESH MAHANGU
07/28/2026
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
07/27/2026
Special inspection requirement — Final
Manuel Ramirez Lachica
07/27/2026
Special inspection requirement — Energy Code Compliance Inspections
Manuel Ramirez Lachica
07/27/2026
Special inspection requirement — Fire-Resistance Rated Construction
Manuel Ramirez Lachica
07/27/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Manuel Ramirez Lachica
07/27/2026
Special inspection requirement — HVAC-R and service water heating equipment
Manuel Ramirez Lachica
07/27/2026
Special inspection requirement — Interior lighting power
Manuel Ramirez Lachica
07/27/2026
Special inspection requirement — HVAC-R and service water heating system controls
Manuel Ramirez Lachica
07/27/2026
Special inspection requirement — Mechanical Systems
NARESH MAHANGU
07/27/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
06/04/2025
Violation issued (HPD, closed)
A
11/22/2024
Violation issued (HPD, closed)
I
04/01/2024
Violation issued (HPD, closed)
A
11/15/2023
Violation issued (HPD, closed)
I
06/20/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/15/2023
Violation issued (HPD, closed)
A
11/02/2022
Violation issued (HPD, closed)
I
02/15/2022
Violation issued (HPD, closed)
A
02/15/2022
Violation issued (HPD, closed)
I
04/01/2021
Violation issued (HPD, closed)
A
04/06/2018
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
04/13/2017
Violation issued (ECB, closed)
Boilers
02/24/2017
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/26/2016
Violation issued (HPD, closed)
A
10/26/2016
Violation issued (HPD, closed)
A
10/26/2016
Violation issued (HPD, closed)
A
10/26/2016
Violation issued (HPD, closed)
B
10/24/2016
Violation issued (HPD, closed)
I
10/20/2016
Violation issued (HPD, open)
A
04/11/2016
Violation issued (HPD, closed)
C
04/11/2016
Violation issued (HPD, closed)
B
10/01/2015
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/03/2015
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/15/2014
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/01/2013
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
12/03/2012
Violation issued (ECB, closed)
Construction
11/29/2012
Violation issued (DOB, closed)
V-DOB VIOLATION - ACTIVE
11/29/2012
Violation issued (DOB, closed)
V-DOB VIOLATION - ACTIVE
12/13/2011
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
12/31/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/01/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/03/2008
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/19/2007
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/06/2006
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/31/2005
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
11/17/2004
Violation issued (ECB, closed)
Construction
02/13/2004
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/19/2003
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/27/2001
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/29/1995
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedAmerican Standard P&H Cororp10/13/2026
DOB NOWGeneral ConstructionPermit IssuedMercury Building Associates08/18/2026
DOB NOWGeneral ConstructionPermit IssuedMercury Building Associates08/18/2026
BISOTISSUEDIntegrity UV16811/27/2015
BISFPISSUEDMaster Fire Systems11/05/2008
BISFPISSUEDNew York Fire System05/02/2005
BISPLISSUEDS & L Plumbing12/30/2004
BISMHISSUEDAll10/20/2004
BISOTISSUEDMDG Construction10/26/1994
BISOTISSUEDSt Marks Plumbing & Heating Co10/15/1992
BISPLISSUEDSt Marks Plumbing & Heating Co10/15/1992
1 project · most recent 08/05/2026
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
08/05/2026Permit IssuedMercury Building AssociatesAir Conditioning Systems
Cooling
Gree LIV12HP230V1R32AO 12,000 BTU · Condensing Unit ×3
1 project · most recent 08/05/2026
Water/Sanitary
FiledStatusContractorScope
08/05/2026Permit IssuedAmerican Standard P&HWater/Sanitary
1 project · most recent 09/28/2026
General Wiring
FiledStatusContractorScope
09/28/2026Permit IssuedIntelogic ElectricGeneral Wiring
1 project · most recent 08/05/2026
FiledStatusContractorScope
08/05/2026Permit IssuedAmerican Standard P&H1 scope_items
▾Special Inspection Requirements (DOB NOW) — 12
DateRequirementInspectorRole
08/03/2026Tenant Protection Plan ComplianceNARESH MAHANGUspecial
08/03/2026Tenant Protection Plan ComplianceNARESH MAHANGUspecial
07/28/2026Energy Code Compliance InspectionsNARESH MAHANGUprogress
07/27/2026FinalManuel Ramirez Lachicaprogress
07/27/2026Energy Code Compliance InspectionsManuel Ramirez Lachicaprogress
07/27/2026Fire-Resistance Rated ConstructionManuel Ramirez Lachicaprogress
07/27/2026HVAC-R and service water piping design and insulationManuel Ramirez Lachicaenergy_progress
07/27/2026HVAC-R and service water heating equipmentManuel Ramirez Lachicaenergy_progress
07/27/2026Interior lighting powerManuel Ramirez Lachicaenergy_progress
07/27/2026HVAC-R and service water heating system controlsManuel Ramirez Lachicaenergy_progress
07/27/2026Mechanical SystemsNARESH MAHANGUspecial
07/27/2026Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
▾Documents — 34 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/16/2026M01436628-I1Request digital key ↗
08/16/2026M01436628-S1Request digital key ↗
▸Applications & Permits5
▸BISWORK PERMIT APPLICATION2
12/23/2015122629398Open ↗
11/06/2008110372597Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION2
12/16/2015122629398Open ↗
10/24/2008110372597Open ↗
▸BISNon-Directive 14 Construction Sign Off Including Sign Applications1
08/02/2016122629398Open ↗
▸Seals & Professional Certifications11
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4
08/02/2016122629398Open ↗
12/16/2015122629398Open ↗
10/24/2008110372597Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/16/2026M01436628-I1Open ↗
08/16/2026M01436628-S1Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
10/03/2026M01436628-I1Open ↗
10/03/2026M01436628-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
12/16/2015122629398Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
12/16/2015122629398Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
10/03/2026M01436628-I1Open ↗
▸Environmental & Asbestos5
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'2
10/24/2008110372597Open ↗
10/24/2008110372597Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/16/2026M01436628-I1Open ↗
08/16/2026M01436628-S1Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
12/16/2015122629398Open ↗
▸Energy Compliance3
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2
08/02/2016122629398Open ↗
12/16/2015122629398Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
08/02/2016122629398Open ↗
▸Approvals, Objections & Sign-offs3
▸BISLETTERS - SUPPORTING DOCUMENTATION1
08/02/2016122629398Open ↗
▸BISADMINISTRATIVE OBJECTIONS1
10/24/2008110372597Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
08/02/2016122629398Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT3
08/02/2016122629398Open ↗
12/16/2015122629398Open ↗
10/24/2008110372597Open ↗
▸Filing & Intake Forms2
▸BISEFILING COVER SHEET1
12/16/2015122629398Open ↗
▸BISADDITIONAL INFORMATION1
01/27/2016122629398Open ↗