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Hospital, sanitarium, mental institution
Masin Building
86 EAST 49 STREET · East Flatbush-Rugby · BIN 3346580
💬 Discuss this project
1927Year Built
4Stories
I1Building Class
R6Zoning
291,398 sfGross Floor Area
1Units
LL97 Covered19 Open Violations 4 unresolved · 15 paperwork only ▸FDNY Report ↗
Hospital, sanitarium, mental institution · 253,940 sf lot · 1.15 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionEquipmentCivilGeneralOther
Permit Issued — active, not yet Signed-off
RoofUnder Construction8p · 1 filing · 8 docs
BulkheadUnder Construction4p · 1 filing · 8 docs
Floor 7Under Construction2p · 1 filing · 8 docs
Floor 6Under Construction13p · 2 filings · 10 docs
Floor 5Under Construction11p · 2 filings · 10 docs
Floor 4Under Construction13p · 2 filings · 10 docs
Floor 3Under Construction13p · 2 filings · 10 docs
Floor 2Under Construction14p · 2 filings · 10 docs
Floor 1Under Construction14p · 2 filings · 10 docs
Site & exteriorUnder Construction48p · 1 filing · 8 docs
Filed — no permit issued13p · 4 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
BROOKDALE HOSPITAL MEDICAL CENTER803/21/2026
MONADNOCK DEVELOPMENT509/01/2026
CELTIC SERVICES NYC209/13/2026
▾Design Consultants (Architect / Engineer of Record)
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
JM ZONING, LLC.1603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
DTO ALTERATIONS LLCGeneral Contractor408/25/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
H & O ENGINEERING, DPC5595106/05/2026
Building Lifecycle
All (111)Filed (15)Permit Issued (4)Violation (7)Inspection (2)Objection (53)Special Inspection (30)
08/27/2026
Filed — Alteration
MECHANICAL DEMOLITION EQUIPMENT USE IN CONJUNCTION WITH FULL DEMOLITION JOB B01406126-I1
B01445386-I1
08/24/2026
Permit issued — Construction Fence
B01406126-S2-FN
08/03/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
07/30/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
07/28/2026
Special inspection requirement — Final
SANTIAGO HELMAN
07/27/2026
Filed — Alteration
INTERIOR DEMOLITION OF NON-LOAD BEARING PARTITIONS, CEILINGS, FLOORS, FINISHES, FIXTURES, BOILERS & ELEVATORS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01406173-P1
07/27/2026
Special inspection requirement — Final
SANTIAGO HELMAN
07/14/2026
Objection resolved — Resolved
06/30/2026
Filed — Full Demolition
INSTALLATION OF HEAVY-DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. SIDEWALK SHED SHALL COMPLY WITH CHAPTER 33 OF THE 2022 NYC BUILDING CODE.
B01406126-S2
06/26/2026
Objection raised — Admin
06/25/2026
Permit issued — Sidewalk Shed
B01406126-S1-SH
06/24/2026
Permit issued — General Construction
B01406173-I1-GC
06/23/2026
Permit issued — Protection and Mechanical Methods
B01406173-S1-PMM
06/16/2026
Filed — Full Demolition
INSTALLATION OF HEAVY-DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. SIDEWALK SHED SHALL COMPLY WITH CHAPTER 33 OF THE 2022 NYC BUILDING CODE.
B01406126-S1
06/05/2026
Filed — Full Demolition
INSTALLATION OF HEAVY-DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. SIDEWALK SHED SHALL COMPLY WITH CHAPTER 33 OF THE 2022 NYC BUILDING CODE.
B01406126-I1
06/02/2026
Filed — Alteration
INTERIOR DEMOLITION OF NON-LOAD BEARING PARTITIONS, CEILINGS, FLOORS, FINISHES, FIXTURES, BOILERS & ELEVATORS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01406173-I1
06/02/2026
Filed — Alteration
INTERIOR DEMOLITION OF NON-LOAD BEARING PARTITIONS, CEILINGS, FLOORS, FINISHES, FIXTURES, BOILERS & ELEVATORS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01406173-S1
05/21/2026
Special inspection requirement — Demolition
SANTIAGO HELMAN
05/21/2026
Special inspection requirement — Structural Stability – Alterations of existing Buildings
SANTIAGO HELMAN
04/22/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
04/22/2025
Violation issued (ECB, closed)
Unknown
10/30/2024
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/30/2024
Violation issued (ECB, closed)
Unknown
06/03/2024
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/03/2024
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/02/2023
Objection raised — Other
02/02/2023
Objection raised — Other
02/02/2023
Objection raised — Other
01/24/2023
Objection raised — Inspections
01/24/2023
Objection raised — Other
01/24/2023
Objection raised — Other
01/24/2023
Objection raised — Other
01/24/2023
Objection raised — Other
01/24/2023
Objection raised — Other
01/24/2023
Objection raised — Other
01/18/2023
Filed — Alteration
installation of site storm drainage as per plans filed
B08038740-I1
01/12/2023
Special inspection requirement — Air barrier continuity plan testing
01/12/2023
Special inspection requirement — Insulation placement and R values
01/12/2023
Special inspection requirement — Protection of exposed foundation insulation
01/12/2023
Special inspection requirement — Fenestration air leakage
01/12/2023
Special inspection requirement — Air barrier - visual inspection
01/12/2023
Special inspection requirement — Vestibules
01/12/2023
Special inspection requirement — Fenestration areas
01/12/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
01/05/2023
Special inspection requirement — Electrical motors and elevators
01/05/2023
Special inspection requirement — Lighting in dwelling units
01/05/2023
Special inspection requirement — Maintenance information
01/05/2023
Special inspection requirement — Maintenance information
01/05/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
01/05/2023
Special inspection requirement — HVAC-R and service water heating system controls
01/05/2023
Special inspection requirement — HVAC-R and service water heating equipment
01/05/2023
Special inspection requirement — Interior lighting power
01/05/2023
Special inspection requirement — Lighting controls
01/05/2023
Special inspection requirement — Metering
12/22/2022
Objection resolved — Addressed
12/22/2022
Objection resolved — Addressed
12/22/2022
Objection resolved — Addressed
12/22/2022
Objection resolved — Addressed
12/22/2022
Objection resolved — Addressed
12/22/2022
Objection resolved — Addressed
Latest 60 of 111 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedDTO ALTERATIONS LLC08/24/2026
DOB NOWSidewalk ShedPermit IssuedDTO ALTERATIONS LLC06/25/2026
DOB NOWGeneral ConstructionPermit IssuedDTO ALTERATIONS LLC06/24/2026
DOB NOWProtection and Mechanical MethodsPermit IssuedDTO ALTERATIONS LLC06/23/2026
BISEQISSUEDROCKLEDGE SCAFFOLD CORP07/17/2023
BISEQISSUEDROCKLEDGE SCAFFOLD CORP08/31/2018
BISEQISSUEDROCKLEDGE SCAFFOLD CORP09/25/2017
BISEQISSUEDROCKLEDGE SCAFFOLD CORP10/17/2016
BISEQISSUEDROCKLEDGE SCAFFOLD CORP11/06/2015
1 project · most recent 11/11/2022
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
11/11/2022——Air Conditioning Systems
Cooling
Daikin 4MXS36RMVJUA 36,000 BTU · Vrf Outdoor ×1
REYQ144TTJU 135,000 BTU · Vrf Outdoor ×1
RX18MRVJU9A 17,400 BTU · Vrf Outdoor ×1
RXL24UMVJUA 21,200 BTU · Vrf Outdoor ×1
2 projects · most recent 01/18/2023
Storm Gas Water/Sanitary
FiledStatusContractorScope
01/18/2023——Storm
11/11/2022——Gas, Storm, Water/Sanitary
1 project · most recent 06/18/2026
FiledStatusContractorScope
06/18/2026Permit IssuedHIGH QUALITY ELEC.OF NYC—
1 project · most recent 11/11/2022
Concrete Masonry
FiledStatusContractorScope
11/11/2022——Concrete, Masonry
1 project · most recent 06/30/2026
Fence Sidewalk Shed
FiledStatusContractorScope
06/30/2026Permit IssuedDTO ALTERATIONS LLCFence, Sidewalk Shed
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
08/03/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/30/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 60
DateRequirementInspectorRole
07/28/2026FinalSANTIAGO HELMANprogress
07/27/2026FinalSANTIAGO HELMANprogress
05/21/2026DemolitionSANTIAGO HELMANspecial
05/21/2026Structural Stability – Alterations of existing BuildingsSANTIAGO HELMANspecial
01/12/2023Air barrier continuity plan testing—energy_progress
01/12/2023Insulation placement and R values—energy_progress
01/12/2023Protection of exposed foundation insulation—energy_progress
01/12/2023Fenestration air leakage—energy_progress
01/12/2023Air barrier - visual inspection—energy_progress
01/12/2023Vestibules—energy_progress
01/12/2023Fenestration areas—energy_progress
01/12/2023Fenestration and door U-factor and product ratings—energy_progress
01/05/2023Electrical motors and elevators—energy_progress
01/05/2023Lighting in dwelling units—energy_progress
01/05/2023Maintenance information—energy_progress
01/05/2023Maintenance information—energy_progress
01/05/2023HVAC-R and service water piping design and insulation—energy_progress
01/05/2023HVAC-R and service water heating system controls—energy_progress
01/05/2023HVAC-R and service water heating equipment—energy_progress
01/05/2023Interior lighting power—energy_progress
01/05/2023Lighting controls—energy_progress
01/05/2023Metering—energy_progress
12/22/2022Fire-Resistant Penetrations and Joints—special
11/11/2022Energy Code Compliance Inspections—progress
11/11/2022Ventilation and air distribution system—energy_progress
Latest 25 of 60.
▾Documents — 63 on file (BIS + DOB NOW)
▸Plans & Drawings14
▸DOB NOWPlans/Sketch14
09/01/2026B01445386-I1Request digital key ↗
09/01/2026B01445386-S1Request digital key ↗
08/28/2026B08018464-I1Request digital key ↗
Showing 3 of 14 on file for this type
▸Applications & Permits12
▸BISWORK PERMIT APPLICATION8
08/29/2024340323082Open ↗
07/17/2023340323082Open ↗
07/11/2023340323082Open ↗
Showing 3 of 8 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION3
07/11/2023340323082Open ↗
06/08/2022340323082Open ↗
11/04/2015340323082Open ↗
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION1
12/28/2015340323082Open ↗
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B08018464-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B08018464-I1Open ↗
▸Seals & Professional Certifications19
▸DOB NOWDPL-1: Design Professional Seal & Signature14
09/01/2026B01445386-I1Open ↗
09/01/2026B01445386-S1Open ↗
08/28/2026B08018464-S5Open ↗
Showing 3 of 14 on file for this type
▸DOB NOWProgress Inspector Seal & Signature2
08/28/2026B01406173-P1Open ↗
08/24/2026B01406173-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
11/04/2015340323082Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
11/04/2015340323082Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
11/04/2015340323082Open ↗
▸Trade Schedules & Equipment1
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)1
08/13/2026B08018464-I1Open ↗
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/28/2026B08018464-I1Open ↗
▸Environmental & Asbestos1
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
11/04/2015340323082Open ↗
▸Energy Compliance1
▸BISELECTRICAL APPLICATION FOR SIDEWALK SHED LIGHTING1
11/04/2015340323082Open ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: RESPONSIBILITY1
11/04/2015340323082Open ↗
▸Approvals, Objections & Sign-offs1
▸BISLETTERS - SUPPORTING DOCUMENTATION1
07/17/2023340323082Open ↗
▸Filing & Intake Forms3
▸BISADDITIONAL INFORMATION1
01/06/2016340323082Open ↗
▸BISBOROUGH INTAKE FORM1
08/29/2024340323082Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
11/04/2015340323082Open ↗
▸Other Documents7
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION2
07/17/2023340323082Open ↗
07/11/2023340323082Open ↗
▸DOB NOWProperty Ownership Certification2
08/28/2026B08018464-I1Open ↗
08/15/2026B01406126-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B08018464-I1Open ↗
▸DOB NOWStructure Photographs1
08/15/2026B01406126-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B08018464-I1Open ↗