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Three families
54 ST MARKS PLACE
BROOKLYN · BIN 3006275
💬 Discuss this project
1899Year Built
3Stories
C0Building Class
R6BZoning
3,600 sfGross Floor Area
3Units
Rent Stabilized5 Open Violations ▸
Three families · Owner of record: AZ 54 SAINT MARKS PLACE OWNER LLC · 2,033 sf lot · 1.77 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralPlumbing
Permit Issued — active, not yet Signed-off
RoofUnder Construction18p · 1 filing · 20 docs
PenthouseUnder Construction7p · 1 filing · 20 docs
Floor 4Under Construction14p · 1 filing · 20 docs
Floor 3Under Construction18p · 1 filing · 20 docs
Floor 2Under Construction18p · 1 filing · 20 docs
Floor 1Under Construction18p · 1 filing · 20 docs
CellarUnder Construction20p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
AZ 54 SAINT MARKS PLACE OWNER LL303/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
10/31/2024$2.4M—Private party → AZ 54 SAINT MARKS PLACE OWNER LLC$672/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CLIP ARCHITECTS1403/24/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
WM ARCH2603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
1 ALEXANDERS GROUP INCGeneral Contractor607/08/2026
ARCO PLBG AND HTG INCFire Protection107/08/2026
EXPERT PLUMBING & HEATINGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
D&E BUILD EVERGREEN I9342703/24/2026
NKM ENGINEERING PLLC6244203/31/2025
Building Lifecycle
All (106)Filed (14)Permit Issued (6)Signed Off (4)Violation (28)Inspection (8)Objection (16)Special Inspection (30)
05/27/2026
Signed off — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-I1
05/06/2026
Violation issued (HPD, closed)
A
04/29/2026
Signed off — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-S2
04/01/2026
Signed off — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-S1
04/01/2026
Signed off — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-S3
03/25/2026
Special inspection requirement — HVAC-R and service water heating equipment
Jaeyoung Jang
03/25/2026
Special inspection requirement — HVAC-R and service water heating system controls
Jaeyoung Jang
03/25/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Jaeyoung Jang
03/25/2026
Special inspection requirement — Shutoff dampers
Jaeyoung Jang
03/25/2026
Special inspection requirement — Maintenance information
Jaeyoung Jang
03/25/2026
Special inspection requirement — Duct leakage testing, insulation and design
Jaeyoung Jang
03/25/2026
Special inspection requirement — Energy Code Compliance Inspections
Jaeyoung Jang
03/25/2026
Special inspection requirement — Final
Jaeyoung Jang
03/25/2026
Special inspection requirement — Heating Systems
Danny Chen
03/25/2026
Special inspection requirement — Smoke Control Systems Testing
Danny Chen
03/25/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Danny Chen
03/25/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
03/25/2026
Special inspection requirement — Mechanical Systems
Danny Chen
03/24/2026
Filed — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-P7
03/12/2026
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
03/12/2026
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
03/09/2026
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
03/06/2026
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
03/02/2026
Special inspection requirement — Interior lighting power
Jaeyoung Jang
03/02/2026
Special inspection requirement — Lighting controls
Jaeyoung Jang
03/02/2026
Special inspection requirement — Maintenance information
Jaeyoung Jang
03/02/2026
Special inspection requirement — Lighting in dwelling units
Jaeyoung Jang
03/02/2026
Special inspection requirement — Fenestration areas
Jaeyoung Jang
03/02/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Jaeyoung Jang
03/02/2026
Special inspection requirement — Fenestration air leakage
Jaeyoung Jang
03/02/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
03/02/2026
Special inspection requirement — Air barrier - visual inspection
Jaeyoung Jang
03/02/2026
Special inspection requirement — Structural Cold-Formed Steel
Danny Chen
03/02/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
Danny Chen
03/02/2026
Special inspection requirement — Structural Steel - Details
Danny Chen
03/02/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Danny Chen
03/02/2026
Special inspection requirement — Structural Wood Frame
Jaeyoung Jang
03/02/2026
Special inspection requirement — Energy Code Compliance Inspections
Jaeyoung Jang
03/02/2026
Special inspection requirement — Fire-Resistance Rated Construction
Jaeyoung Jang
03/02/2026
Special inspection requirement — Final
Jaeyoung Jang
02/25/2026
Filed — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-P9
02/19/2026
Objection resolved — Addressed
02/19/2026
Objection resolved — Addressed
02/18/2026
Objection raised — Scope
02/18/2026
Objection raised — Scope
01/29/2026
Filed — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-P6
01/29/2026
Filed — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-P5
11/19/2025
Violation issued (HPD, closed)
I
10/24/2025
Permit issued — Structural
B01133679-I1-GC-CX
08/28/2025
Permit issued — Sprinklers
B01133679-S3-EW-SP
08/14/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
08/14/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
08/14/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
08/14/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
08/08/2025
Filed — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-P4
08/01/2025
Filed — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-P3
08/01/2025
Filed — Alteration CO
PROPOSED A PENTHOUSE ON EXISTING 3-STORY WITH CELLAR,3-FAMILY INTO 1-FAMILY DWELLING UNIT WITH NEW LAYOUT AS PLAN.OBTAIN NEW C OF O
B01133679-P2
07/15/2025
Objection resolved — Addressed
07/15/2025
Objection resolved — Addressed
07/15/2025
Objection resolved — Addressed
Latest 60 of 106 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWStructuralPermit Issued1 ALEXANDERS GROUP INC10/24/2025
DOB NOWSprinklersSigned-offARCO PLBG AND HTG INC08/28/2025
DOB NOWMechanical SystemsSigned-off1 ALEXANDERS GROUP INC05/13/2025
DOB NOWPlumbingSigned-offEXPERT PLUMBING & HEATING04/28/2025
DOB NOWGeneral ConstructionPermit Issued1 ALEXANDERS GROUP INC03/13/2025
DOB NOWGeneral ConstructionSigned-off1 ALEXANDERS GROUP INC11/22/2024
1 project · most recent 03/24/2026
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
03/24/2026Permit Issued1 ALEXANDERS GROUP INCAir Conditioning Systems
Cooling
Goodman GLXS3BN3610AA 36,000 BTU · Condensing Unit ×6
GSX3N3610 3T 36,000 BTU · Condensing Unit ×3
Gree MUL18HP230V1R32A0 18,000 BTU · Condensing Unit ×2
MULTI24HP230V1E0 24,000 BTU · Condensing Unit ×1
1 project · most recent 03/24/2026
Sprinkler System
FiledStatusContractorScope
03/24/2026Signed-offARCO PLBG AND HTG INCSprinkler System
1 project · most recent 03/24/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
03/24/2026Signed-offEXPERT PLUMBING & HEATINGGas, Storm, Water/Sanitary
1 project · most recent 06/09/2025
General Wiring
FiledStatusContractorScope
06/09/2025CompleteCITY ELECTRIC LLCGeneral Wiring
1 project · most recent 03/24/2026
Steel
FiledStatusContractorScope
03/24/2026Permit Issued1 ALEXANDERS GROUP INCSteel
1 project · most recent 03/12/2025
Fence
FiledStatusContractorScope
03/12/2025——Fence
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
03/12/2026Pass-Final CND-Occupancy InspectionPassView ↗
03/12/2026Pass-Final General Construction Non-Directive 14PassView ↗
03/09/2026Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
03/06/2026Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
08/14/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
08/14/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
08/14/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
08/14/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 60
DateRequirementInspectorRole
03/25/2026HVAC-R and service water heating equipmentJaeyoung Jangenergy_progress
03/25/2026HVAC-R and service water heating system controlsJaeyoung Jangenergy_progress
03/25/2026HVAC-R and service water piping design and insulationJaeyoung Jangenergy_progress
03/25/2026Shutoff dampersJaeyoung Jangenergy_progress
03/25/2026Maintenance informationJaeyoung Jangenergy_progress
03/25/2026Duct leakage testing, insulation and designJaeyoung Jangenergy_progress
03/25/2026Energy Code Compliance InspectionsJaeyoung Jangprogress
03/25/2026FinalJaeyoung Jangprogress
03/25/2026Heating SystemsDanny Chenspecial
03/25/2026Smoke Control Systems TestingDanny Chenspecial
03/25/2026Fire-Resistant Penetrations and JointsDanny Chenspecial
03/25/2026Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
03/25/2026Mechanical SystemsDanny Chenspecial
03/02/2026Interior lighting powerJaeyoung Jangenergy_progress
03/02/2026Lighting controlsJaeyoung Jangenergy_progress
03/02/2026Maintenance informationJaeyoung Jangenergy_progress
03/02/2026Lighting in dwelling unitsJaeyoung Jangenergy_progress
03/02/2026Fenestration areasJaeyoung Jangenergy_progress
03/02/2026Fenestration and door U-factor and product ratingsJaeyoung Jangenergy_progress
03/02/2026Fenestration air leakageJaeyoung Jangenergy_progress
03/02/2026Structural Stability – Alterations of existing buildings—special
03/02/2026Air barrier - visual inspectionJaeyoung Jangenergy_progress
03/02/2026Structural Cold-Formed SteelDanny Chenspecial
03/02/2026Structural Stability – Alterations of existing buildingsDanny Chenspecial
03/02/2026Structural Steel - DetailsDanny Chenspecial
Latest 25 of 60.
▾Documents — 97 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch13
08/23/2026B01131728-I1Request digital key ↗
08/21/2026B01133679-S1Request digital key ↗
08/21/2026B01133679-P4Request digital key ↗
Showing 3 of 13 on file for this type
▸Applications & Permits2
▸BISBPP-5 - Authorization to the Department of Transportation1
05/01/2025340917217Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION1
06/11/2025340917217Open ↗
▸Zoning, Tax Lot & Property Records9
▸DOB NOWHouse Number Verification: TOPO Stamp3
08/13/2026B01133679-P1Open ↗
08/13/2026B01133679-I1Open ↗
08/13/2026B01133679-P5Open ↗
▸DOB NOWZoning Exhibit form (1-5)3
08/13/2026B01133679-P5Open ↗
08/13/2026B01133679-P1Open ↗
08/13/2026B01133679-I1Open ↗
▸DOB NOWZD1: DOB Zoning Diagram3
08/13/2026B01133679-P1Open ↗
08/13/2026B01133679-I1Open ↗
08/13/2026B01133679-P5Open ↗
▸Seals & Professional Certifications39
▸DOB NOWProgress Inspector Seal & Signature18
09/23/2026B01133679-P3Open ↗
09/23/2026B01133679-P3Open ↗
09/02/2026B01133679-I1Open ↗
Showing 3 of 18 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature13
08/21/2026B01133679-P4Open ↗
08/21/2026B01133679-P3Open ↗
08/21/2026B01133679-P2Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/02/2026B01133679-I1Open ↗
08/27/2026B01133679-S3Open ↗
08/25/2026B01133679-P2Open ↗
Showing 3 of 6 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
05/01/2025340917217Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
05/01/2025340917217Open ↗
▸Safety & Tenant Protection5
▸DOB NOWStreet Tree Checklist3
08/13/2026B01133679-P5Open ↗
08/13/2026B01133679-P1Open ↗
08/13/2026B01133679-I1Open ↗
▸BISBPP: STREET TREES SITE PLAN1
05/01/2025340917217Open ↗
▸BISSTREET TREE CHECKLIST1
05/01/2025340917217Open ↗
▸Environmental & Asbestos13
▸DOB NOWDEP ACP-5: Asbestos Assessment Report13
08/21/2026B01133679-P3Open ↗
08/21/2026B01133679-P2Open ↗
08/21/2026B01133679-P1Open ↗
Showing 3 of 13 on file for this type
▸Filing & Intake Forms2
▸BISEFILING JOB APPLICATION COVER SHEET1
05/01/2025340917217Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
05/01/2025340917217Open ↗
▸Other Documents14
▸DOB NOWSite Survey: Initial3
08/13/2026B01133679-I1Open ↗
08/13/2026B01133679-P5Open ↗
08/13/2026B01133679-P1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
08/13/2026B01133679-P5Open ↗
08/13/2026B01133679-P1Open ↗
08/13/2026B01133679-I1Open ↗
▸DOB NOWPlot Diagram3
08/13/2026B01133679-P5Open ↗
08/13/2026B01133679-I1Open ↗
08/13/2026B01133679-P1Open ↗
▸DOB NOWProperty Ownership Certification3
08/21/2026B01133679-P1Open ↗
08/21/2026B01133679-I1Open ↗
08/21/2026B01133679-P5Open ↗
▸BISBPP - SUPPORTING DOCUMENTATION1
05/01/2025340917217Open ↗
▸DOB NOWFinal Survey1
08/13/2026B01133679-I1Open ↗