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BuildNYC
Primarily 2 family with 1 store or office
1449 50TH STREET
BROOKLYN · Borough Park · BIN 3137793
💬 Discuss this project
1910Year Built
3Stories
S2Building Class
R6Zoning
4,252 sfGross Floor Area
3Units
Rent Stabilized5 Active Violations 4 unresolved · 1 paperwork only ▸FDNY Report ↗
Primarily 2 family with 1 store or office · Owner of record: Congregation Ateres Zwi · 4,007 sf lot · 1.06 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalEquipmentGeneral
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
RoofHVAC system installationUnder Construction2p · 3 filings · 20 docs
Floor 6HVAC system installationUnder Construction2p · 3 filings · 20 docs
Floor 5HVAC system installationUnder Construction2p · 3 filings · 20 docs
Floor 4HVAC system installationUnder Construction2p · 3 filings · 20 docs
Floor 3HVAC system installationUnder Construction2p · 3 filings · 20 docs
Floor 2HVAC system installationUnder Construction2p · 3 filings · 20 docs
Floor 1HVAC system installationUnder Construction6p · 3 filings · 20 docs
CellarHVAC system installationUnder Construction26p · 3 filings · 20 docs
Site & exteriorConstruction fence installationUnder Construction9p · 1 filing · 4 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Advanced Engineering & Inspection210/20/2026
MCEES Engineering109/03/2026
Aryeh Siegel Architect205/18/2026
York Tower Consulting Engineering403/27/2026
Friedman Engineering102/20/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
YSG Services103/21/2026
Avalon Designs403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
CR Builders NYGeneral Contractor207/08/2026
Crowbar IndustriesGeneral Contractor107/08/2026
CR Builders NYScaffold107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
AA Building & Inspection1519403/27/2026
Building Lifecycle
All (81)Filed (11)Permit Issued (4)Signed Off (1)Violation (20)Objection (15)Special Inspection (30)
10/20/2026
Filed — Alteration
B01424749-I1
09/14/2026
Objection raised — Energy
09/03/2026
Filed — New Building
Filing Structural Work in conjunction with NB #B01358352-I1
B01358352-S5
08/31/2026
Special inspection requirement — Electrical motors and elevators
08/31/2026
Special inspection requirement — Permanent certificate
08/31/2026
Special inspection requirement — Lighting in dwelling units
08/31/2026
Special inspection requirement — Maintenance information
08/31/2026
Special inspection requirement — Exterior lighting power
08/31/2026
Special inspection requirement — Metering
08/31/2026
Special inspection requirement — Lighting controls
08/31/2026
Special inspection requirement — Interior lighting power
08/30/2026
Special inspection requirement — Air barrier - visual inspection
08/30/2026
Special inspection requirement — Fenestration air leakage
08/30/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
08/30/2026
Special inspection requirement — Insulation placement and R values
08/30/2026
Special inspection requirement — Fenestration areas
07/07/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
07/07/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
07/07/2026
Special inspection requirement — Air barrier - visual inspection
07/07/2026
Special inspection requirement — Fenestration air leakage
07/07/2026
Special inspection requirement — Insulation placement and R values
07/07/2026
Special inspection requirement — Fenestration areas
07/02/2026
Filed — Alteration
Installation of mechanical system in conjunction with GC #B01358352.
B01361578-I1
07/02/2026
Special inspection requirement — Shutoff dampers
07/02/2026
Special inspection requirement — Maintenance information
07/02/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
07/02/2026
Special inspection requirement — HVAC-R and service water heating system controls
07/02/2026
Special inspection requirement — HVAC-R and service water heating equipment
07/02/2026
Special inspection requirement — Energy Code Compliance Inspections
07/02/2026
Special inspection requirement — Heating Systems
07/02/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
06/22/2026
Permit issued — Foundation
B01358352-S2-FO
05/29/2026
Permit issued — Support of Excavation
B01358352-S1-SE
05/27/2026
Signed off — Full Demolition
Full demolition of the existing building.
B01293394-I1
05/19/2026
Permit issued — Full Demolition
B01293394-I1-FD
05/18/2026
Filed — Alteration
Installation of 8ft construction fence.
B01294890-P1
05/01/2026
Violation issued (HPD, open)
A
04/30/2026
Permit issued — Construction Fence
B01294890-I1-FN
04/17/2026
Objection resolved — Addressed
04/10/2026
Objection resolved — Addressed
04/01/2026
Objection resolved — Open
04/01/2026
Objection resolved — Resolved
04/01/2026
Objection resolved — Resolved
04/01/2026
Objection resolved — Resolved
03/27/2026
Filed — New Building
Filing Structural Work in conjunction with NB #B01358352-I1
B01358352-S4
03/25/2026
Objection raised — Other
03/25/2026
Objection raised — Other
03/23/2026
Filed — New Building
Filing Structural Work in conjunction with NB #B01358352-I1
B01358352-S3
03/18/2026
Filed — New Building
Filing Structural Work in conjunction with NB #B01358352-I1
B01358352-S2
03/18/2026
Filed — New Building
Filing Structural Work in conjunction with NB #B01358352-I1
B01358352-S1
03/17/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
Bin Li
03/17/2026
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
Younes Abouyaala
03/17/2026
Special inspection requirement — Subgrade Inspections
Younes Abouyaala
03/06/2026
Objection raised — Energy
03/06/2026
Objection raised — Zoning
03/05/2026
Objection raised — Energy
03/05/2026
Objection raised — Admin
02/20/2026
Filed — New Building
Filing Structural Work in conjunction with NB #B01358352-I1
B01358352-I1
12/01/2025
Objection resolved — Addressed
11/24/2025
Objection raised — Other
Latest 60 of 81 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWFoundationPermit IssuedCR Builders NY06/22/2026
DOB NOWSupport of ExcavationPermit IssuedCR Builders NY05/29/2026
DOB NOWFull DemolitionSigned-offCrowbar Industries05/19/2026
DOB NOWConstruction FencePermit IssuedCR Builders NY04/30/2026
1 project · most recent 07/02/2026
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
07/02/2026——Heating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Mitsubishi Electric MXZ-SM96TAM-U1 276,000 BTU · Condensing Unit ×3
MXZ-SM120TAM-U1 228,000 BTU · Condensing Unit ×2
MXZ-SM72TAM-U1 160,000 BTU · Condensing Unit ×2
PUHY-EP168TNU-A1 188,000 BTU · Vrf Outdoor ×1
Trane YSK090A3S0L 120 BTU · Rooftop Unit ×1
Ventilation
Greenheck MINIVENT 750-VG 1 CFM · Exhaust Fan ×2
Trane YSK090A3S0L 2,500 CFM · Rooftop Unit ×1
1 project · most recent 05/26/2026
FiledStatusContractorScope
05/26/2026Permit IssuedCYM Electrical Contractor—
1 project · most recent 09/03/2026
Steel Concrete
FiledStatusContractorScope
09/03/2026Permit IssuedCR Builders NYSteel, Concrete
1 project · most recent 05/18/2026
Fence
FiledStatusContractorScope
05/18/2026Permit IssuedCR Builders NYFence
▾Special Inspection Requirements (DOB NOW) — 47
DateRequirementInspectorRole
08/31/2026Electrical motors and elevators—energy_progress
08/31/2026Permanent certificate—energy_progress
08/31/2026Lighting in dwelling units—energy_progress
08/31/2026Maintenance information—energy_progress
08/31/2026Exterior lighting power—energy_progress
08/31/2026Metering—energy_progress
08/31/2026Lighting controls—energy_progress
08/31/2026Interior lighting power—energy_progress
08/30/2026Air barrier - visual inspection—energy_progress
08/30/2026Fenestration air leakage—energy_progress
08/30/2026Fenestration and door U-factor and product ratings—energy_progress
08/30/2026Insulation placement and R values—energy_progress
08/30/2026Fenestration areas—energy_progress
07/07/2026Fire-Resistant Penetrations and Joints—special
07/07/2026Fenestration and door U-factor and product ratings—energy_progress
07/07/2026Air barrier - visual inspection—energy_progress
07/07/2026Fenestration air leakage—energy_progress
07/07/2026Insulation placement and R values—energy_progress
07/07/2026Fenestration areas—energy_progress
07/02/2026Shutoff dampers—energy_progress
07/02/2026Maintenance information—energy_progress
07/02/2026HVAC-R and service water piping design and insulation—energy_progress
07/02/2026HVAC-R and service water heating system controls—energy_progress
07/02/2026HVAC-R and service water heating equipment—energy_progress
07/02/2026Energy Code Compliance Inspections—progress
Latest 25 of 47.
▾Documents — 68 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
10/21/2026B01424749-I1Request digital key ↗
08/17/2026B01358352-S1Request digital key ↗
08/17/2026B01358352-I1Request digital key ↗
Showing 3 of 10 on file for this type
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZD1: DOB Zoning Diagram1
08/17/2026B01358352-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/17/2026B01358352-I1Open ↗
▸Seals & Professional Certifications20
▸DOB NOWDPL-1: Design Professional Seal & Signature10
10/21/2026B01424749-I1Open ↗
10/03/2026B01358352-S5Open ↗
08/17/2026B01358352-S2Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
09/27/2026B01358352-S1Open ↗
09/27/2026B01358352-S1Open ↗
08/26/2026B01358352-S2Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWProgress Inspector Seal & Signature4
08/26/2026B01358352-S2Open ↗
08/26/2026B01358352-S2Open ↗
08/23/2026B01358352-S3Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWCONTRACTOR SEAL & SIGNATURE1
08/15/2026B01293394-I1Open ↗
▸Trade Schedules & Equipment6
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)2
10/03/2026B01358352-S5Open ↗
08/17/2026B01358352-I1Open ↗
▸DOB NOWWater Cut-Off1
08/15/2026B01293394-I1Open ↗
▸DOB NOWGas Cut-Off1
08/15/2026B01293394-I1Open ↗
▸DOB NOWSewer Cut-Off1
08/15/2026B01293394-I1Open ↗
▸DOB NOWElectric Cut-Off1
08/15/2026B01293394-I1Open ↗
▸Safety & Tenant Protection4
▸DOB NOWStreet Tree Checklist2
10/03/2026B01358352-S5Open ↗
08/17/2026B01358352-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan2
10/03/2026B01358352-S5Open ↗
08/17/2026B01358352-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/15/2026B01293394-I1Open ↗
▸DOB NOWRodent Control1
08/15/2026B01293394-I1Open ↗
▸Inspections & Test Reports4
▸DOB NOWTR4 Test Report and Plot Diagram2
08/17/2026B01358352-S1Open ↗
08/17/2026B01358352-S2Open ↗
▸DOB NOWSOIL REPORT2
08/17/2026B01358352-S1Open ↗
08/17/2026B01358352-S2Open ↗
▸Approvals, Objections & Sign-offs10
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter10
10/21/2026B01424749-I1Open ↗
10/03/2026B01358352-S5Open ↗
08/17/2026B01358352-S3Open ↗
Showing 3 of 10 on file for this type
▸Other Documents10
▸DOB NOWSite Survey: Initial2
10/03/2026B01358352-S5Open ↗
08/17/2026B01358352-I1Open ↗
▸DOB NOWProperty Ownership Certification2
08/17/2026B01358352-I1Open ↗
08/13/2026B01293394-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
10/03/2026B01358352-S5Open ↗
08/17/2026B01358352-I1Open ↗
▸DOB NOWAdjoining Owners Notification1
08/17/2026B01358352-S1Open ↗
▸DOB NOWCommunity Board Notification1
08/15/2026B01293394-I1Open ↗
▸DOB NOWFull Demo: 10-Day Notice1
08/15/2026B01293394-I1Open ↗
▸DOB NOWStructure Photographs1
08/13/2026B01293394-I1Open ↗