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BROOKLYN
54 21 STREET
BROOKLYN · BIN 3430223
💬 Discuss this project
—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
FDNY Report ↗
Flood zone X500
Locations of Work
ArchitectureStructural
Permit Issued — active, not yet Signed-off
RoofUnder Construction2p · 3 filings · 20 docs
Floor 1Under Construction1p · 1 filing · 20 docs
2 jobs · most recent 04/16/2026
Heating Systems
FiledStatusContractorScopeMake / Model / Capacity
04/16/2026Permit IssuedHUNTER ROBERTS CONSTRUCTIHeating Systems
Heating
Qmark MUH-15-4 51,150 BTU · Unit Heater ×16
01/20/2025Permit IssuedNORTHEAST SPECIALIST GROUHeating Systems—
1 job · most recent 01/20/2025
Water/Sanitary
FiledStatusContractorScope
01/20/2025Signed-offDONATO PLUMBING GROUP INCWater/Sanitary
1 job · most recent 04/23/2026
General Wiring
FiledStatusContractorScope
04/23/2026Permit IssuedC.M. RICHEY ELEC'L CONTRGeneral Wiring
3 jobs · most recent 04/16/2026
Steel Concrete
FiledStatusContractorScope
04/16/2026Permit IssuedHUNTER ROBERTS CONSTRUCTISteel, Concrete
01/20/2025Permit IssuedNORTHEAST SPECIALIST GROU1 scope_items
05/06/2024——Steel
Building Lifecycle
All (97)Filed (14)Permit Issued (6)Signed Off (3)Objection (44)Special Inspection (30)
09/29/2026
Permit issued — General Construction
B01158787-I1-GC
04/27/2026
Special inspection requirement — Fenestration air leakage
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Lighting controls
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Fire-Resistance Rated Construction
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Fenestration areas
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Metering
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Air barrier continuity plan testing
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Interior lighting power
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Maintenance information
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Masonry
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Electrical motors and elevators
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Energy Code Compliance Inspections
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Lighting in dwelling units
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Exterior lighting power
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
04/27/2026
Special inspection requirement — Protection of exposed foundation insulation
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Insulation placement and R values
JOHN MCMONAGLE
04/27/2026
Special inspection requirement — Air barrier - visual inspection
04/27/2026
Special inspection requirement — Air barrier — testing
JOHN MCMONAGLE
04/24/2026
Special inspection requirement — Structural Steel - Details
JOHN MCMONAGLE
04/24/2026
Special inspection requirement — Masonry
JOHN MCMONAGLE
04/24/2026
Special inspection requirement — Structural Cold-Formed Steel
JOHN MCMONAGLE
04/24/2026
Special inspection requirement — Structural Steel - High Strength Bolting
JOHN MCMONAGLE
04/24/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
JOHN MCMONAGLE
04/24/2026
Special inspection requirement — Post-installed Anchors
JOHN MCMONAGLE
04/24/2026
Special inspection requirement — Structural Steel - Welding
JOHN MCMONAGLE
04/24/2026
Special inspection requirement — Final
JOHN MCMONAGLE
04/16/2026
Filed — Alteration CO
Mechanical filing as per plans filed
B01158787-P2
04/16/2026
Filed — Alteration CO
Mechanical filing as per plans filed
B01158787-P1
03/18/2026
Permit issued — Mechanical Systems
B01158787-S6-MS
03/18/2026
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
03/18/2026
Special inspection requirement — Air barrier - visual inspection
03/11/2026
Special inspection requirement — Masonry
JOHN MCMONAGLE
02/18/2026
Permit issued — Foundation
B01158787-S5-FO
01/16/2026
Permit issued — Structural
B01158787-S4-ST
12/16/2025
Permit issued — General Construction
B01158787-S3-GC
11/26/2025
Objection resolved — Addressed
10/08/2025
Permit issued — General Construction
B01158787-I1-GC
08/26/2025
Objection resolved — Addressed
08/26/2025
Objection resolved — Addressed
08/21/2025
Objection resolved — Addressed
07/23/2025
Objection resolved — Addressed
07/23/2025
Objection resolved — Addressed
07/23/2025
Objection resolved — Addressed
05/19/2025
Signed off — Alteration
temporary shoring as per plans filed
B01164299-S4
05/14/2025
Signed off — Alteration
temporary shoring as per plans filed
B01164299-I1
05/14/2025
Signed off — Alteration
temporary shoring as per plans filed
B01164299-S2
04/11/2025
Objection resolved — Addressed
04/09/2025
Objection resolved — Addressed
04/02/2025
Objection resolved — Addressed
04/02/2025
Objection resolved — Addressed
04/02/2025
Objection resolved — Addressed
03/04/2025
Objection resolved — Addressed
03/04/2025
Objection resolved — Addressed
03/04/2025
Objection resolved — Addressed
02/13/2025
Filed — Alteration CO
Mechanical filing as per plans filed
B01158787-S6
02/12/2025
Objection raised — Admin
02/12/2025
Objection raised — Structural
02/12/2025
Objection raised — Admin
Latest 60 of 97 events.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
BRIDGE DEVELOPMENT PARTNERS3409/30/2026
SIP HOLDINGS VENTURE203/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MCLAREN ENGINEERING GROUP704/16/2026
CESO ARCHITECTS, INC.504/16/2026
LBI Professional Engineering, LLC102/13/2025
BOHLER ENGINEERING NY PLLC101/29/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
JM ZONING, LLC.2303/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HUNTER ROBERTS CONSTRUCTIONGeneral Contractor509/30/2026
NORTHEAST SPECIALIST GROUPGeneral Contractor203/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
DOMANI INSPECTION SERVICE843704/16/2026
ACE STRUCTURAL ENGINEERIN496201/20/2025
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedHUNTER ROBERTS CONSTRUCTION09/29/2026
DOB NOWMechanical SystemsPermit IssuedHUNTER ROBERTS CONSTRUCTION03/18/2026
DOB NOWFoundationPermit IssuedHUNTER ROBERTS CONSTRUCTION02/18/2026
DOB NOWStructuralPermit IssuedHUNTER ROBERTS CONSTRUCTION01/16/2026
DOB NOWGeneral ConstructionPermit IssuedNORTHEAST SPECIALIST GROUP12/16/2025
DOB NOWGeneral ConstructionPermit IssuedHUNTER ROBERTS CONSTRUCTION10/08/2025
▾Special Inspection Requirements (DOB NOW) — 75
DateRequirementInspectorRole
04/27/2026Exterior Insulation and Finish Systems (EIFS)—special
04/27/2026MasonryJOHN MCMONAGLEspecial
04/27/2026Energy Code Compliance InspectionsJOHN MCMONAGLEprogress
04/27/2026Fire-Resistance Rated ConstructionJOHN MCMONAGLEprogress
04/27/2026Lighting controlsJOHN MCMONAGLEenergy_progress
04/27/2026MeteringJOHN MCMONAGLEenergy_progress
04/27/2026Fenestration areasJOHN MCMONAGLEenergy_progress
04/27/2026Interior lighting powerJOHN MCMONAGLEenergy_progress
04/27/2026Maintenance informationJOHN MCMONAGLEenergy_progress
04/27/2026Air barrier — testing JOHN MCMONAGLEenergy_progress
04/27/2026Air barrier continuity plan testingJOHN MCMONAGLEenergy_progress
04/27/2026Exterior lighting powerJOHN MCMONAGLEenergy_progress
04/27/2026Lighting in dwelling unitsJOHN MCMONAGLEenergy_progress
04/27/2026Fenestration air leakageJOHN MCMONAGLEenergy_progress
04/27/2026Electrical motors and elevatorsJOHN MCMONAGLEenergy_progress
04/27/2026Protection of exposed foundation insulationJOHN MCMONAGLEenergy_progress
04/27/2026Fenestration and door U-factor and product ratingsJOHN MCMONAGLEenergy_progress
04/27/2026Insulation placement and R valuesJOHN MCMONAGLEenergy_progress
04/27/2026Air barrier - visual inspection—energy_progress
04/24/2026MasonryJOHN MCMONAGLEspecial
04/24/2026Structural Cold-Formed SteelJOHN MCMONAGLEspecial
04/24/2026Structural Steel - DetailsJOHN MCMONAGLEspecial
04/24/2026FinalJOHN MCMONAGLEprogress
04/24/2026Post-installed AnchorsJOHN MCMONAGLEspecial
04/24/2026Structural Stability – Alterations of existing buildingsJOHN MCMONAGLEspecial
Latest 25 of 75.
▾Documents — 110 on file (BIS + DOB NOW)
▸Plans & Drawings14
▸DOB NOWPlans/Sketch14
08/25/2026B01034558-I1Request digital key ↗
08/25/2026B01034558-S1Request digital key ↗
08/25/2026B01040345-I1Request digital key ↗
Showing 3 of 14 on file for this type
▸Applications & Permits2
▸BISBPP-5 - Authorization to the Department of Transportation1
12/09/2024340912677Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION1
12/09/2024340912677Open ↗
▸Zoning, Tax Lot & Property Records2
▸DOB NOWHouse Number Verification: TOPO Stamp2
08/17/2026B01158787-P2Open ↗
08/13/2026B01158787-I1Open ↗
▸Seals & Professional Certifications75
▸DOB NOWProgress Inspector Seal & Signature40
09/01/2026B01164299-I1Open ↗
09/01/2026B01158787-S6Open ↗
09/01/2026B01158787-S6Open ↗
Showing 3 of 40 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature19
09/01/2026B01158787-S6Open ↗
09/01/2026B01158787-S6Open ↗
08/28/2026B01158787-P2Open ↗
Showing 3 of 19 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature14
08/25/2026B01034558-I1Open ↗
08/25/2026B01034558-S1Open ↗
08/25/2026B01040345-I1Open ↗
Showing 3 of 14 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
12/09/2024340912677Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
12/09/2024340912677Open ↗
▸Safety & Tenant Protection4
▸DOB NOWStreet Tree Checklist3
08/17/2026B01158787-P2Open ↗
08/15/2026B01158787-I1Open ↗
08/15/2026B01158787-S3Open ↗
▸BISBPP: STREET TREES SITE PLAN1
12/09/2024340912677Open ↗
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form4
08/17/2026B01158787-S5Open ↗
08/17/2026B01158787-S6Open ↗
08/15/2026B01158787-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/25/2026B01040345-I1Open ↗
08/17/2026B01158787-S5Open ↗
08/17/2026B01158787-P1Open ↗
Showing 3 of 4 on file for this type
▸Approvals, Objections & Sign-offs1
▸BISNYS DEC TIDAL WETLANDS APPROVAL1
12/09/2024340912677Open ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
12/09/2024340912677Open ↗
▸Other Documents3
▸DOB NOWProperty Ownership Certification2
08/17/2026B01158787-P2Open ↗
08/15/2026B01158787-I1Open ↗
▸BISNYS DEC TIDAL WETLANDS MAP1
12/09/2024340912677Open ↗