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Five to six families
597 PROSPECT AVENUE
BRONX · BIN 2004909
💬 Discuss this project
1910Year Built
4Stories
C2Building Class
R7-1Zoning
4,760 sfGross Floor Area
5Units
Rent Stabilized73 Open Violations ▸FDNY Report ↗
Five to six families · Owner of record: 597 PROSPECT AVENUE LLC · 2,000 sf lot · 2.38 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire ProtectionGeneral
Permit Issued — active, not yet Signed-off
RoofUnder Construction37p · 1 filing · 20 docs
Floor 4Under Construction50p · 1 filing · 20 docs
Floor 3Under Construction48p · 1 filing · 20 docs
Floor 2Under Construction42p · 1 filing · 20 docs
Floor 1Under Construction48p · 1 filing · 20 docs
BasementUnder Construction43p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
597 PROSPECT AVE LLC203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/22/2026$1.4M—597 PROSPECT AVE LLC → PROSPECT EQUITIES NY LLC$291/sf building
02/06/2019$886K—— → —$186/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NIKOLAI KATZ ARCHITECT306/25/2026
VASILIOS ARTEMIOU PE403/05/2026
AG ENGINEERING PLLC111/25/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
EXPRESS FILING INC1203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MABE GROUP INCGeneral Contractor404/09/2026
RIGHTWAY PLBG AND HTG INCFire Protection107/08/2026
MPI PLUMBING CORPPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
RI CONSULTING SERVICES IN8904706/25/2026
Building Lifecycle
All (93)Filed (8)Permit Issued (6)Signed Off (1)Violation (60)Inspection (18)
06/30/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
06/25/2026
Filed — Alteration CO
PROPOSED INTERIOR RENOVATION CONVERTING EXISTING 4 STORY AND BASEMENT, INTO A 10 UNIT RESIDENTIAL BUILDING
X01268871-P3
06/24/2026
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
06/22/2026
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
06/18/2026
Signed off — Alteration CO
PROPOSED INTERIOR RENOVATION CONVERTING EXISTING 4 STORY AND BASEMENT, INTO A 10 UNIT RESIDENTIAL BUILDING
X01268871-S5
06/17/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
06/03/2026
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
05/12/2026
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
05/04/2026
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
05/04/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
04/30/2026
Violation issued (HPD, open)
A
04/16/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
04/01/2026
Inspection — Pass-Final PL - Underground
Pass
View inspection ↗
03/31/2026
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
03/31/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
03/31/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
03/25/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
03/23/2026
Permit issued — Construction Fence
X01268871-S5-FN
03/18/2026
Filed — Alteration CO
PROPOSED INTERIOR RENOVATION CONVERTING EXISTING 4 STORY AND BASEMENT, INTO A 10 UNIT RESIDENTIAL BUILDING
X01268871-S5
03/13/2026
Permit issued — Plumbing
X01268871-S3-PL
03/06/2026
Permit issued — Sprinklers
X01268871-S4-EW-SP
03/05/2026
Filed — Alteration CO
PROPOSED INTERIOR RENOVATION CONVERTING EXISTING 4 STORY AND BASEMENT, INTO A 10 UNIT RESIDENTIAL BUILDING
X01268871-P1
03/03/2026
Permit issued — Mechanical Systems
X01268871-S2-MS
02/27/2026
Permit issued — Structural
X01268871-S1-ST
02/27/2026
Permit issued — General Construction
X01268871-I1-GC
02/04/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
12/24/2025
Filed — Alteration CO
PROPOSED INTERIOR RENOVATION CONVERTING EXISTING 4 STORY AND BASEMENT, INTO A 10 UNIT RESIDENTIAL BUILDING
X01268871-S4
12/24/2025
Filed — Alteration CO
PROPOSED INTERIOR RENOVATION CONVERTING EXISTING 4 STORY AND BASEMENT, INTO A 10 UNIT RESIDENTIAL BUILDING
X01268871-S3
12/24/2025
Filed — Alteration CO
PROPOSED INTERIOR RENOVATION CONVERTING EXISTING 4 STORY AND BASEMENT, INTO A 10 UNIT RESIDENTIAL BUILDING
X01268871-S2
11/25/2025
Filed — Alteration CO
PROPOSED INTERIOR RENOVATION CONVERTING EXISTING 4 STORY AND BASEMENT, INTO A 10 UNIT RESIDENTIAL BUILDING
X01268871-S1
11/17/2025
Violation issued (HPD, open)
I
08/14/2025
Filed — Alteration CO
PROPOSED INTERIOR RENOVATION CONVERTING EXISTING 4 STORY AND BASEMENT, INTO A 10 UNIT RESIDENTIAL BUILDING
X01268871-I1
06/05/2025
Violation issued (HPD, open)
A
05/29/2025
Inspection — Pass-Final PL - Underground
Pass
View inspection ↗
04/02/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
04/02/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
09/16/2024
Violation issued (HPD, open)
I
09/16/2024
Violation issued (HPD, open)
I
09/16/2024
Violation issued (HPD, open)
I
09/16/2024
Violation issued (HPD, open)
I
09/16/2024
Violation issued (HPD, open)
I
09/11/2024
Violation issued (HPD, open)
C
09/11/2024
Violation issued (HPD, open)
C
09/11/2024
Violation issued (HPD, open)
C
09/11/2024
Violation issued (HPD, open)
C
09/11/2024
Violation issued (HPD, open)
C
09/11/2024
Violation issued (HPD, open)
C
09/10/2024
Violation issued (HPD, open)
C
04/03/2024
Violation issued (HPD, open)
A
02/29/2024
Violation issued (HPD, open)
C
02/29/2024
Violation issued (HPD, open)
B
02/29/2024
Violation issued (HPD, open)
C
02/29/2024
Violation issued (HPD, open)
C
02/29/2024
Violation issued (HPD, open)
C
03/17/2023
Violation issued (HPD, open)
A
01/27/2023
Violation issued (HPD, open)
B
08/15/2022
Violation issued (HPD, open)
B
08/15/2022
Violation issued (HPD, open)
C
08/15/2022
Violation issued (HPD, open)
B
08/15/2022
Violation issued (HPD, open)
B
Latest 60 of 93 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FenceSigned-offAB BUILDERS NY03/23/2026
DOB NOWPlumbingPermit IssuedYG SERVICES INC03/13/2026
DOB NOWSprinklersPermit IssuedRIGHTWAY PLBG AND HTG INC03/06/2026
DOB NOWMechanical SystemsPermit IssuedAB BUILDERS NY03/03/2026
DOB NOWStructuralPermit IssuedAB BUILDERS NY02/27/2026
DOB NOWGeneral ConstructionPermit IssuedAB BUILDERS NY02/27/2026
1 project · most recent 06/25/2026
Sprinkler System
FiledStatusContractorScope
06/25/2026Permit IssuedRIGHTWAY PLBG AND HTG INCSprinkler System
1 project · most recent 06/25/2026
Storm Water/Sanitary
FiledStatusContractorScope
06/25/2026Permit IssuedMPI PLUMBING CORPStorm, Water/Sanitary
1 project · most recent 07/20/2026
General Wiring
FiledStatusContractorScope
07/20/2026CompleteBAY ELECTRICAL INCGeneral Wiring
1 project · most recent 06/25/2026
Steel
FiledStatusContractorScope
06/25/2026Signed-offAB BUILDERS NYSteel
1 project · most recent 06/25/2026
Fence
FiledStatusContractorScope
06/25/2026Signed-offAB BUILDERS NYFence
▾Field Inspections (DOB CAP) — 18
DateTypeResultReport
06/30/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
06/24/2026Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
06/22/2026Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
06/17/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
06/03/2026Pass-Final CND-Occupancy InspectionPassView ↗
05/12/2026Certified Gas-Gas-Piping-RoughingCertifiedView ↗
05/04/2026Fail-Final PL - Up to 3 Requested FloorsFailView ↗
05/04/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
04/16/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
04/01/2026Pass-Final PL - UndergroundPassView ↗
03/31/2026Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
03/31/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
03/31/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
03/25/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
02/04/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
05/29/2025Pass-Final PL - UndergroundPassView ↗
04/02/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
04/02/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 57
DateRequirementInspectorRole
07/27/2026Structural Stability – Alterations of existing buildingsMD ISLAMspecial
07/27/2026Lighting in dwelling unitsMD ISLAMenergy_progress
07/27/2026Interior lighting powerMD ISLAMenergy_progress
07/27/2026MeteringMD ISLAMenergy_progress
07/27/2026Fenestration areasMD ISLAMenergy_progress
07/27/2026Insulation placement and R valuesMD ISLAMenergy_progress
07/27/2026Maintenance informationMD ISLAMenergy_progress
07/27/2026Fenestration air leakageMD ISLAMenergy_progress
07/27/2026Exterior lighting powerMD ISLAMenergy_progress
07/27/2026Air barrier - visual inspectionMD ISLAMenergy_progress
07/27/2026Fenestration and door U-factor and product ratingsMD ISLAMenergy_progress
07/27/2026Electrical motors and elevatorsMD ISLAMenergy_progress
07/27/2026Lighting controlsMD ISLAMenergy_progress
07/27/2026Fire-Resistance Rated ConstructionMD ISLAMprogress
07/27/2026Energy Code Compliance InspectionsMD ISLAMprogress
07/27/2026Fire-Resistant Penetrations and JointsMD ISLAMspecial
06/24/2026Fire-Resistance Rated ConstructionMD ISLAMprogress
06/24/2026Air barrier - visual inspectionMD ISLAMenergy_progress
06/24/2026Lighting in dwelling unitsMD ISLAMenergy_progress
06/24/2026Insulation placement and R valuesMD ISLAMenergy_progress
06/24/2026Electrical motors and elevatorsMD ISLAMenergy_progress
06/24/2026Maintenance informationMD ISLAMenergy_progress
06/24/2026Interior lighting powerMD ISLAMenergy_progress
06/24/2026Fenestration air leakageMD ISLAMenergy_progress
06/24/2026MeteringMD ISLAMenergy_progress
Latest 25 of 57.
▾Documents — 86 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch8
08/17/2026X01268871-S1Request digital key ↗
08/17/2026X01268871-S2Request digital key ↗
08/17/2026X01268871-S3Request digital key ↗
Showing 3 of 8 on file for this type
▸Seals & Professional Certifications65
▸DOB NOWProgress Inspector Seal & Signature44
08/30/2026X01268871-P1Open ↗
08/30/2026X01268871-P1Open ↗
08/30/2026X01268871-P1Open ↗
Showing 3 of 44 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature13
09/23/2026X01268871-S4Open ↗
09/23/2026X01268871-S4Open ↗
09/23/2026X01268871-S4Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature8
08/17/2026X01268871-S1Open ↗
08/17/2026X01268871-S2Open ↗
08/17/2026X01268871-S3Open ↗
Showing 3 of 8 on file for this type
▸Safety & Tenant Protection4
▸DOB NOWStreet Tree Checklist2
08/17/2026X01268871-I1Open ↗
08/17/2026X01268871-P3Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/17/2026X01268871-I1Open ↗
▸DOB NOWStreet Trees Site Plan1
08/17/2026X01268871-I1Open ↗
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/17/2026X01268871-I1Open ↗
08/17/2026X01268871-S1Open ↗
08/17/2026X01268871-S2Open ↗
Showing 3 of 7 on file for this type
▸Other Documents2
▸DOB NOWProperty Ownership Certification2
08/17/2026X01268871-P3Open ↗
08/17/2026X01268871-I1Open ↗