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Four families
83 RYERSON STREET
BROOKLYN · BIN 3054551
💬 Discuss this project
1905Year Built
3Stories
C3Building Class
R6BZoning
2,800 sfGross Floor Area
4Units
Rent Stabilized13 Open Violations ▸FDNY Report ↗
Four families · Owner of record: RYERSON PLAZA L.P. · 2,000 sf lot · 1.4 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
Permit Issued — active, not yet Signed-off
Floor 3Under Construction4p · 1 filing · 14 docs
Floor 2Under Construction6p · 2 filings · 20 docs
Floor 11p · 1 filing · 20 docs
CellarUnder Construction2p · 1 filing · 14 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MARCY PLAZA1707/08/2026
RYERSON PLAZA L.P.1503/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/08/2016$950K—— → —$339/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CHUN ENGINEERING CONSULTANT PLLC312/20/2023
CAVALRY ASSOCIATES201/13/2023
ALBERTO ROMAN211/02/2020
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
CAVALRY MANAGEMENT403/21/2026
CAVALRY LLC303/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
DARCI PLUMBING CO INCPlumbing1207/08/2026
CAVALRY LLCGeneral Contractor507/08/2026
CAVALRY GC&P LLCGeneral Contractor207/08/2026
ALEF CONSTRUCTION INCGeneral Contractor107/08/2026
AMC PLBG, HTG & CLNG, INCPlumbing107/08/2026
SO PLUMBING & HEATING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CHUN ENGINEERING CONSULTA9605312/20/2023
M. INT'L ENGINEERING PLLC3129201/13/2023
AR-TECH ENGINEERING, P.C.6659211/02/2020
Building Lifecycle
All (94)Filed (7)Permit Issued (9)Signed Off (1)Violation (60)Inspection (4)Objection (6)Special Inspection (7)
09/14/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
09/03/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
05/21/2026
Permit issued — Mechanical Systems
B00878590-S2-MS
05/19/2026
Permit issued — General Construction
B00878590-I1-GC
05/05/2026
Violation issued (HPD, closed)
A
04/02/2026
Violation issued (HPD, closed)
C
04/02/2026
Violation issued (HPD, closed)
C
01/22/2026
Permit issued — General Construction
B00878590-I1-GC
10/29/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
10/15/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
07/07/2025
Violation issued (HPD, closed)
C
07/07/2025
Violation issued (HPD, open)
B
07/07/2025
Violation issued (HPD, closed)
B
07/07/2025
Violation issued (HPD, open)
B
07/07/2025
Violation issued (HPD, closed)
B
07/07/2025
Violation issued (HPD, closed)
A
07/07/2025
Violation issued (HPD, closed)
C
06/10/2025
Violation issued (HPD, closed)
A
04/30/2025
Violation issued (HPD, closed)
C
04/30/2025
Violation issued (HPD, closed)
B
03/24/2025
Permit issued — General Construction
B00878590-I1-GC
09/23/2024
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
01/31/2024
Permit issued — Plumbing
B00878590-S1-PL
01/12/2024
Permit issued — General Construction
B00878590-I1-GC
01/12/2024
Permit issued — Mechanical Systems
B00878590-S2-MS
12/20/2023
Filed — Alteration
APPLICATION FILED HEREWITH TO PROPOSE MINOR RENOVATIONS ON 2NDAND 3RD FLOOR (CLASS A DWELLING UNITS) NO WORK at BASEMENT AND1ST FLOOR , NO INCREASE TO BULK, OR CHANGE IN USE OCCUPANCY OREGRESS
B00878590-S1
12/07/2023
Filed — Alteration
APPLICATION FILED HEREWITH TO PROPOSE MINOR RENOVATIONS ON 2NDAND 3RD FLOOR (CLASS A DWELLING UNITS) NO WORK at BASEMENT AND1ST FLOOR , NO INCREASE TO BULK, OR CHANGE IN USE OCCUPANCY OREGRESS
B00878590-S2
11/30/2023
Objection resolved — Addressed
10/30/2023
Objection resolved — Addressed
10/11/2023
Objection resolved — Addressed
09/29/2023
Objection raised — Scope
09/19/2023
Objection raised — Other
09/19/2023
Objection raised — Admin
09/14/2023
Filed — Alteration
APPLICATION FILED HEREWITH TO PROPOSE MINOR RENOVATIONS ON 2NDAND 3RD FLOOR (CLASS A DWELLING UNITS) NO WORK at BASEMENT AND1ST FLOOR , NO INCREASE TO BULK, OR CHANGE IN USE OCCUPANCY OREGRESS
B00878590-I1
08/30/2023
Violation issued (ECB, closed)
Construction
06/30/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/30/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/23/2023
Special inspection requirement — Tenant Protection Plan Compliance
JAMES CHUN
06/23/2023
Special inspection requirement — Energy Code Compliance Inspections
JAMES CHUN
05/23/2023
Special inspection requirement — Final
JAMES CHUN
05/02/2023
Signed off — Alteration
PLUMBING FILING IN CONJUNCTION WITH ALT2 APPLICATION# 322021735. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B00366400-I1
02/14/2023
Violation issued (HPD, closed)
B
02/14/2023
Violation issued (HPD, closed)
B
02/14/2023
Violation issued (HPD, closed)
C
02/14/2023
Violation issued (HPD, closed)
B
02/14/2023
Violation issued (HPD, closed)
A
02/14/2023
Violation issued (HPD, closed)
B
02/14/2023
Violation issued (HPD, closed)
B
01/13/2023
Filed — Alteration
PLUMBING FILING IN CONJUNCTION WITH ALT2 APPLICATION# 322021735. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B00366400-P3
01/11/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
NANIK MASSAND
01/11/2023
Special inspection requirement — Maintenance information
NANIK MASSAND
01/11/2023
Special inspection requirement — Post-installed Anchors
NANIK MASSAND
01/11/2023
Special inspection requirement — Energy Code Compliance Inspections
NANIK MASSAND
08/09/2022
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/03/2022
Permit issued — Plumbing
B00366400-I1-PL
03/15/2022
Violation issued (HPD, closed)
B
03/15/2022
Violation issued (HPD, closed)
B
03/15/2022
Violation issued (HPD, closed)
B
03/15/2022
Violation issued (HPD, closed)
A
03/15/2022
Violation issued (HPD, closed)
C
Latest 60 of 94 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedCAVALRY GC&P LLC05/21/2026
DOB NOWGeneral ConstructionPermit IssuedCAVALRY GC&P LLC05/19/2026
DOB NOWGeneral ConstructionPermit IssuedALEF CONSTRUCTION INC01/22/2026
DOB NOWGeneral ConstructionPermit IssuedCAVALRY LLC03/24/2025
DOB NOWPlumbingPermit IssuedAMC PLBG, HTG & CLNG, INC01/31/2024
DOB NOWGeneral ConstructionPermit IssuedCAVALRY LLC01/12/2024
DOB NOWMechanical SystemsPermit IssuedCAVALRY LLC01/12/2024
DOB NOWPlumbingSigned-offDARCI PLUMBING CO INC05/03/2022
DOB NOWPlumbingSigned-offNICHOLAS SUIDA09/10/2020
BISOTISSUEDCAVALRY LLC07/17/2020
1 project · most recent 12/20/2023
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
12/20/2023Permit IssuedCAVALRY GC&P LLCHeating and Air Conditioning Systems
Heat / Cool
Mitsubishi Electric Mitsubishi Electric - MXZ-3C24NA 24,000 BTU · Condensing Unit ×2
Mitsubishi - MXZ-4C36NA 120,000 BTU · Vrf Outdoor ×1
1 project · most recent 12/20/2023
Gas Water/Sanitary
FiledStatusContractorScope
12/20/2023Permit IssuedAMC PLBG, HTG & CLNG, INCGas, Water/Sanitary
1 project · most recent 12/02/2018
General Wiring
FiledStatusContractorScope
12/02/2018Permit IssuedACCURATE ELEC'L CORP.General Wiring
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
09/14/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
09/03/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
10/29/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
10/15/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
▾Special Inspection Requirements (DOB NOW) — 7
DateRequirementInspectorRole
06/23/2023Tenant Protection Plan ComplianceJAMES CHUNspecial
06/23/2023Energy Code Compliance InspectionsJAMES CHUNprogress
05/23/2023FinalJAMES CHUNprogress
01/11/2023Fire-Resistant Penetrations and JointsNANIK MASSANDspecial
01/11/2023Maintenance informationNANIK MASSANDenergy_progress
01/11/2023Post-installed AnchorsNANIK MASSANDspecial
01/11/2023Energy Code Compliance InspectionsNANIK MASSANDprogress
▾Documents — 65 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch - Plumbing4
09/02/2026B00366400-I1Request digital key ↗
09/02/2026B00366400-P3Request digital key ↗
08/15/2026B00366400-P1Request digital key ↗
Showing 3 of 4 on file for this type
▸DOB NOWPlans/Sketch3
08/26/2026B00878590-I1Request digital key ↗
08/26/2026B00878590-S2Request digital key ↗
08/26/2026B00878590-S1Request digital key ↗
▸Applications & Permits5
▸BISPLAN / WORK APPROVAL APPLICATION4
11/04/2021322021735Open ↗
06/11/2020322021735Open ↗
06/04/2020322021735Open ↗
Showing 3 of 4 on file for this type
▸BISWORK PERMIT APPLICATION1
07/17/2020322021735Open ↗
▸Seals & Professional Certifications14
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/26/2026B00878590-S2Open ↗
08/26/2026B00878590-S1Open ↗
08/26/2026B00878590-I1Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWProgress Inspector Seal & Signature3
09/21/2026B00366400-P3Open ↗
09/21/2026B00366400-P3Open ↗
09/01/2026B00878590-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature3
09/21/2026B00366400-P3Open ↗
09/21/2026B00366400-P3Open ↗
09/01/2026B00878590-I1Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
02/27/2020322021735Open ↗
▸Safety & Tenant Protection12
▸DOB NOWHPD-3: Single Room Occupancy Multiple Dwelling (SRO MD) Anti-Harassment Checklist7
08/13/2026B00878590-S2Open ↗
08/13/2026B00878590-S1Open ↗
08/13/2026B00366400-P2Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWTenant Protection Plan4
08/13/2026B00366400-P2Open ↗
08/13/2026B00366400-P3Open ↗
08/13/2026B00366400-P1Open ↗
Showing 3 of 4 on file for this type
▸BISHPD: SRO MD CERTIFICATE OF NO HARASSMENT1
03/06/2020322021735Open ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
08/26/2026B00878590-S2Open ↗
08/26/2026B00878590-S1Open ↗
08/26/2026B00878590-I1Open ↗
▸Energy Compliance5
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2
05/01/2023322021735Open ↗
06/12/2020322021735Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
05/01/2023322021735Open ↗
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
05/02/2023322021735Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
02/27/2020322021735Open ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: RESPONSIBILITY1
06/12/2020322021735Open ↗
▸Approvals, Objections & Sign-offs2
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
05/03/2023322021735Open ↗
▸BISFINAL1
05/01/2023322021735Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT1
02/06/2020322021735Open ↗
▸BISCOST AFFIDAVIT (FINAL): PW31
05/01/2023322021735Open ↗
▸Filing & Intake Forms11
▸BISADDITIONAL INFORMATION10
01/12/2022322021735Open ↗
01/12/2022322021735Open ↗
01/12/2022322021735Open ↗
Showing 3 of 10 on file for this type
▸BISEFILING COVER SHEET1
02/06/2020322021735Open ↗
▸Other Documents3
▸DOB NOWDHCR Document2
08/13/2026B00366400-I1Open ↗
08/13/2026B00366400-P3Open ↗
▸BISDHCR DOCUMENT1
06/17/2020322021735Open ↗