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Library
Ryder Library
5902 23RD AVENUE · BIN 3172049
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1931Year Built
1Stories
P8Building Class
R6Zoning
7,310 sfGross Floor Area
1Units
1 Active Violation ▸FDNY Report ↗
Library · Owner of record: Brooklyn Public Library · 10,000 sf lot · 0.73 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionEquipmentGeneral
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
RoofBrooklyn Public Library16p · 6 filings · 15 docs
Floor 1Brooklyn Public Library44p · 5 filings · 17 docs
Site & exteriorBrooklyn Public Library5p · 2 filings · 6 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
NYC Department of Design and Construction2007/08/2026
Brooklyn Public Library1509/13/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Sage and Coombe Architects706/04/2026
Newtec Engineering109/17/2025
NY Building Associates107/09/2025
Goldman Copeland Associates507/01/2024
Brand Access Solutions401/02/2024
Ysrael A. Seinuk110/31/2019
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Archetype Consultants1203/21/2026
A1 Expediting Service803/21/2026
JMV Architect1203/21/2026
S R Solar Design203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Pen EnterprisesGeneral Contractor907/08/2026
Safway AtlanticScaffold907/08/2026
Erin Construction & DevelopmentGeneral Contractor403/21/2026
Parkview P&HPlumbing207/08/2026
Central Air Conditioningspecialty_contractor204/09/2026
Donnelly Mechanicalspecialty_contractor203/21/2026
A & E PlumbingPlumbing107/08/2026
770 Electricspecialty_contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
EP Inspections and Commis7079506/04/2026
Obaid Mian849109/17/2025
NKM Engineering6244107/09/2025
JPC Logistics Dba JPCL EN351507/01/2024
Building Lifecycle
All (120)Filed (19)Permit Issued (23)Signed Off (11)Violation (6)Inspection (3)Objection (28)Special Inspection (30)
07/29/2026
Signed off — Alteration
Brooklyn Public Library Ryder Branch Proposed Plumbing application to renovate existing plumbing fixtures.
B00994551-I1
07/09/2026
Signed off — Alteration
Brooklyn Public Library Ryder Branch Proposed Plumbing application to renovate existing plumbing fixtures.
B00994551-S2
06/04/2026
Filed — Alteration
Brooklyn Public Library Ryder Branch Proposed Plumbing application to renovate existing plumbing fixtures.
B00994551-P4
06/04/2026
Special inspection requirement — Energy Code Compliance Inspections
MOLLY GLENN
06/04/2026
Special inspection requirement — Fire-Resistance Rated Construction
MOLLY GLENN
06/04/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
MOLLY GLENN
06/04/2026
Special inspection requirement — Air barrier - visual inspection
MOLLY GLENN
06/04/2026
Special inspection requirement — Insulation placement and R values
MOLLY GLENN
06/04/2026
Special inspection requirement — Maintenance information
MOLLY GLENN
06/04/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
MOLLY GLENN
06/04/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
MOLLY GLENN
03/24/2026
Signed off — Alteration
Plumbing alterations at the ground floor and roof level; related work as per plans.
B00251381-I1
02/26/2026
Permit issued — Plumbing
B00251381-I1-PL
02/17/2026
Signed off — Alteration
Brooklyn Public Library Ryder Branch Proposed Plumbing application to renovate existing plumbing fixtures.
B00994551-S1
02/03/2026
Signed off — Alteration
B00251374-I1
01/22/2026
Signed off — Alteration
B00251379-I1
11/26/2025
Signed off — Alteration
Replacement of air conditioning units. All existing ductwork to remain as is. No change in use egress and occupancy
B01281067-I1
11/25/2025
Signed off — Alteration
INSTALLATION OF SOLAR PANELS ON EXISTING ROOF. NO CHANGE IN USE, OCCUPANCY, OR EGRESS. NO CHANGE IN BULK
B01239539-I1
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/28/2025
Permit issued — Solar
B01239539-I1-SL
10/16/2025
Objection raised — Admin
10/16/2025
Objection resolved — Addressed
10/09/2025
Objection resolved — Addressed
09/19/2025
Permit issued — Mechanical Systems
B01281067-I1-MS
09/17/2025
Filed — Alteration
Replacement of air conditioning units. All existing ductwork to remain as is. No change in use egress and occupancy
B01281067-I1
09/10/2025
Permit issued — Mechanical Systems
B00994551-S1-MS
09/09/2025
Permit issued — General Construction
B00994551-I1-GC
09/03/2025
Special inspection requirement — Final
Obaid Mian
09/03/2025
Special inspection requirement — HVAC-R and service water heating system controls
Obaid Mian
09/03/2025
Special inspection requirement — HVAC-R and service water heating equipment
Obaid Mian
09/03/2025
Special inspection requirement — Maintenance information
Obaid Mian
09/03/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Obaid Mian
09/03/2025
Special inspection requirement — Mechanical Systems
Obaid Mian
08/04/2025
Objection resolved — Addressed
08/01/2025
Objection resolved — Addressed
08/01/2025
Objection resolved — Addressed
08/01/2025
Objection resolved — Addressed
08/01/2025
Special inspection requirement — Post-installed Anchors
NARESH MAHANGU
07/24/2025
Objection raised — Fire_Protection
07/24/2025
Objection raised — Inspections
07/24/2025
Objection raised — Fire_Protection
07/24/2025
Objection raised — Structural
07/24/2025
Objection raised — Structural
07/11/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
07/09/2025
Filed — Alteration
INSTALLATION OF SOLAR PANELS ON EXISTING ROOF. NO CHANGE IN USE, OCCUPANCY, OR EGRESS. NO CHANGE IN BULK
B01239539-I1
07/01/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/11/2025
Permit issued — Plumbing
B00994551-S2-PL
06/11/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
06/11/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
06/11/2025
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
06/11/2025
Special inspection requirement — Final
NARESH MAHANGU
06/11/2025
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
05/08/2025
Signed off — Alteration
HEAVY DUTY SIDEWALK SHED DURING BLDG ALTERATION, FILED SEP. SIDEWALK SHED SHALL COMPLY WITH CH #33 OF THE NYC BC. NO CHANGE IN USE, OCCUPANCY OR EGRESS UNDER THIS APPLICATION.
B00902757-I1
05/08/2025
Signed off — Alteration
B00984065-I1
05/08/2025
Signed off — Alteration
INSTALLATION OF TEMPORARY PIPE SCAFFOLD STAIR TOWER AS PER DRAWINGS. PIPE SCAFFOLD STAIR TOWER SHALL COMPLY WITH CH #33 OF THE NYC BC. NO CHANGE IN USE, OCCUPANCY OR EGRESS UNDER THIS APPLICATION.
B00844348-I1
01/22/2025
Permit issued — Mechanical Systems
B00994551-S1-MS
11/21/2024
Permit issued — General Construction
B00994551-I1-GC
11/13/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
MOLLY GLENN
11/13/2024
Special inspection requirement — Final
MOLLY GLENN
11/13/2024
Special inspection requirement — Energy Code Compliance Inspections
MOLLY GLENN
Latest 60 of 120 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offParkview P&H02/26/2026
DOB NOWSolarSigned-off770 Electric10/28/2025
DOB NOWMechanical SystemsSigned-offDonnelly Mechanical09/19/2025
DOB NOWMechanical SystemsSigned-offCentral Air Conditioning09/10/2025
DOB NOWGeneral ConstructionSigned-offErin Construction & Development09/09/2025
DOB NOWPlumbingSigned-offA & E Plumbing06/11/2025
DOB NOWMechanical SystemsSigned-offCentral Air Conditioning01/22/2025
DOB NOWGeneral ConstructionSigned-offErin Construction & Development11/21/2024
DOB NOWSupported ScaffoldSigned-offSafway Atlantic09/27/2024
DOB NOWSidewalk ShedSigned-offSafway Atlantic09/27/2024
DOB NOWPlumbingSigned-offParkview P&H05/16/2024
DOB NOWStructuralSigned-offPen Enterprises05/01/2024
DOB NOWMechanical SystemsSigned-offPen Enterprises05/01/2024
DOB NOWProtection and Mechanical MethodsSigned-offSafway Atlantic01/02/2024
DOB NOWSidewalk ShedSigned-offSafway Atlantic09/28/2023
DOB NOWSupported ScaffoldSigned-offSafway Atlantic09/27/2023
DOB NOWSidewalk ShedSigned-offSafway Atlantic08/01/2023
DOB NOWMechanical SystemsSigned-offPen Enterprises06/17/2023
DOB NOWMechanical SystemsSigned-offPen Enterprises04/26/2023
DOB NOWStructuralSigned-offPen Enterprises04/26/2023
DOB NOWSupported ScaffoldSigned-offSafway Atlantic03/15/2023
DOB NOWMechanical SystemsSigned-offPen Enterprises09/12/2022
DOB NOWStructuralSigned-offPen Enterprises09/12/2022
BISMHISSUEDVolmar Construction09/12/2002
BISPLISSUEDStarlite Plumbing & Heating03/20/2001
BISOTISSUEDVolmar Construction03/05/2001
BISMHISSUEDAir Com Air03/05/1993
1 project · most recent 06/04/2026
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
06/04/2026Signed-offCentral Air ConditioningHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Little Giant VCCA-20-P 7 CFM · Pump ×2
Ventilation
Titus Titus FL-10 14 CFM · Other ×1
Titus Omni 50 CFM · Exhaust Fan ×1
1 project · most recent 06/04/2026
Water/Sanitary
FiledStatusContractorScope
06/04/2026Signed-offA & E PlumbingWater/Sanitary
5 projects · most recent 12/23/2025
General Wiring
FiledStatusContractorScope
12/23/2025Permit IssuedMedco Electrical ContrngGeneral Wiring
06/11/2025CompleteGrid City Electric1 meters, 1 new_meters
01/22/2025CompleteValentis ElectricGeneral Wiring
10/29/2024CompleteHatzel and BuehlerGeneral Wiring
07/28/2023CompleteNash Electric Services—
▾Field Inspections (DOB CAP) — 3
DateTypeResultReport
07/11/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
07/01/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
06/26/2024Pass-Final PL - Up to 3 Requested FloorsPassView ↗
▾Special Inspection Requirements (DOB NOW) — 54
DateRequirementInspectorRole
06/04/2026Energy Code Compliance InspectionsMOLLY GLENNprogress
06/04/2026Fire-Resistance Rated ConstructionMOLLY GLENNprogress
06/04/2026Fenestration and door U-factor and product ratingsMOLLY GLENNenergy_progress
06/04/2026Air barrier - visual inspectionMOLLY GLENNenergy_progress
06/04/2026Insulation placement and R valuesMOLLY GLENNenergy_progress
06/04/2026Maintenance informationMOLLY GLENNenergy_progress
06/04/2026Fire-Resistant Penetrations and JointsMOLLY GLENNspecial
06/04/2026Structural Stability – Alterations of existing buildingsMOLLY GLENNspecial
09/03/2025FinalObaid Mianprogress
09/03/2025HVAC-R and service water heating system controlsObaid Mianenergy_progress
09/03/2025HVAC-R and service water heating equipmentObaid Mianenergy_progress
09/03/2025Maintenance informationObaid Mianenergy_progress
09/03/2025HVAC-R and service water piping design and insulationObaid Mianenergy_progress
09/03/2025Mechanical SystemsObaid Mianspecial
08/01/2025Post-installed AnchorsNARESH MAHANGUspecial
06/11/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
06/11/2025Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
06/11/2025Energy Code Compliance InspectionsNARESH MAHANGUprogress
06/11/2025FinalNARESH MAHANGUprogress
06/11/2025Air barrier - visual inspectionNARESH MAHANGUenergy_progress
11/13/2024HVAC-R and service water piping design and insulationMOLLY GLENNenergy_progress
11/13/2024FinalMOLLY GLENNprogress
11/13/2024Energy Code Compliance InspectionsMOLLY GLENNprogress
11/13/2024Fire-Resistant Penetrations and JointsMOLLY GLENNspecial
11/13/2024Mechanical SystemsMOLLY GLENNspecial
Latest 25 of 54.
▾Tenants in the building
TenantSpaceFloorsRenovation projects
Brooklyn Public LibraryCommunity FacilityEntire building
Project B01281067 Alteration · LOC Issued · 09/17/2025
Project B00994551 Alteration · LOC Issued · 03/29/2024
Project B00902757 Alteration · LOC Issued · 07/31/2023
Project B00251374 Alteration · LOC Issued · 10/31/2019
Project B00251379 Alteration · LOC Issued · 10/31/2019
Project B00251381 Alteration · LOC Issued · 10/31/2019
Names are taken automatically from the text of each project’s filed documents (title blocks and cover sheets) and screened to exclude owners, landlords and designers. They may be incomplete or wrong; check the filing.
▾Documents — 121 on file (BIS + DOB NOW)
▸Plans & Drawings19
▸DOB NOWPlans/Sketch13
08/27/2026B00844348-I1Request digital key ↗
08/26/2026B00902757-P1Request digital key ↗
08/26/2026B00902757-I1Request digital key ↗
Showing 3 of 13 on file for this type
▸DOB NOWPlans/Sketch - Plumbing4
09/02/2026B00251381-I1Request digital key ↗
09/02/2026B00251381-P3Request digital key ↗
09/02/2026B00251381-P2Request digital key ↗
Showing 3 of 4 on file for this type
▸DOB NOWPlans/Sketch - Structural1
09/02/2026B00251374-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Mechanical Systems1
09/02/2026B00251379-I1Request digital key ↗
▸Applications & Permits5
▸BISPLAN / WORK APPROVAL APPLICATION5
02/02/2026322005030Open ↗
09/23/2021322005030Open ↗
11/01/2019322005030Open ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications48
▸DOB NOWDPL-1: Design Professional Seal & Signature19
08/27/2026B00844348-I1Open ↗
08/26/2026B00902757-P1Open ↗
08/26/2026B00902757-I1Open ↗
Showing 3 of 19 on file for this type
▸DOB NOWProgress Inspector Seal & Signature19
10/03/2026B01239539-I1Open ↗
10/03/2026B01239539-I1Open ↗
09/21/2026B01281067-I1Open ↗
Showing 3 of 19 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature9
10/03/2026B01239539-I1Open ↗
10/03/2026B01239539-I1Open ↗
09/30/2026B00251381-I1Open ↗
Showing 3 of 9 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
11/01/2019322005030Open ↗
▸Trade Schedules & Equipment1
▸BISFA - FDNY APPROVAL : FD-FAA1
05/08/2018321510049Open ↗
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form6
08/16/2026B00994551-I1Open ↗
08/16/2026B00994551-S1Open ↗
08/16/2026B00994551-S2Open ↗
Showing 3 of 6 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
01/17/2017321510049Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B01239539-I1Open ↗
▸Energy Compliance2
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
09/01/2023322005030Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
11/01/2019322005030Open ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: RESPONSIBILITY1
09/01/2023322005030Open ↗
▸Approvals, Objections & Sign-offs30
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter19
08/26/2026B00984065-I1Open ↗
08/16/2026B00994551-P4Open ↗
08/13/2026B00994551-S1Open ↗
Showing 3 of 19 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)6
08/13/2026B00251381-P3Open ↗
08/13/2026B00251381-P2Open ↗
08/13/2026B00251381-P1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)3
08/13/2026B00251381-I1Open ↗
08/13/2026B00251374-I1Open ↗
08/13/2026B00251379-I1Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
06/08/2018321510049Open ↗
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01239539-I1Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT3
11/01/2019322005030Open ↗
06/08/2018321510049Open ↗
01/17/2017321510049Open ↗
▸Filing & Intake Forms3
▸BISEFILING COVER SHEET2
11/01/2019322005030Open ↗
01/17/2017321510049Open ↗
▸BISBOROUGH INTAKE FORM1
06/08/2018321510049Open ↗
▸Other Documents1
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION1
12/18/2019322005030Open ↗