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Multi-story retail building (2+)
20 GRATTAN STREET
BROOKLYN · BIN 3407393
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1925Year Built
2Stories
K2Building Class
M1-2Zoning
4,375 sfGross Floor Area
2Units
Multi-story retail building (2+) · Owner of record: GRATTAN BOGART 20 LLC · 2,500 sf lot · 1.75 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire ProtectionOther
Permit Issued — active, not yet Signed-off
RoofUnder Construction1 filing · 11 docs
Floor 1Under Construction10p · 5 filings · 20 docs
Cellar2p · 1 filing · 4 docs
1 job · most recent 05/25/2026
Heating and Air Conditioning Systems Refrigeration Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
05/25/2026Permit IssuedMECHANICAL EAST CO.,INCHeating and Air Conditioning Systems, Refrigeration Systems, Ventilation Systems
Heat / Cool
Mitsubishi Electric PLFY-EP48NEMU1-E.TH 48,000 BTU · Vrf Indoor ×4
TUHYE0963AN41AN 96,000 BTU · Vrf Outdoor ×2
PURY-EP72TNU-A1 72,000 BTU · Vrf Outdoor ×1
Ventilation
Mitsubishi Electric LGH-F470RVX2-E 470 CFM · Erv ×1
Refrigeration
Trenton TESA100L8-HT3D 8 kW · Condensing Unit ×1
1 job · most recent 05/25/2026
FiledStatusContractorScope
05/25/2026Permit IssuedARMON MECHANICAL INC—
1 job · most recent 09/15/2025
General Wiring
FiledStatusContractorScope
09/15/2025Permit IssuedGREEN APPLE ELECL SVCS LLGeneral Wiring
1 job · most recent 05/22/2026
Steel
FiledStatusContractorScope
05/22/2026——Steel
Building Lifecycle
All (57)Filed (6)Permit Issued (4)Signed Off (1)Inspection (5)Objection (20)Special Inspection (21)
07/01/2026
Objection resolved — Resolved
07/01/2026
Objection resolved — Resolved
07/01/2026
Objection resolved — Addressed
07/01/2026
Objection resolved — Resolved
07/01/2026
Objection resolved — Resolved
07/01/2026
Objection resolved — Addressed
06/25/2026
Permit issued — Mechanical Systems
B01393063-I1-MS
06/22/2026
Objection raised — Scope
06/22/2026
Objection raised — Scope
06/22/2026
Objection raised — Scope
06/22/2026
Objection raised — Other
06/22/2026
Objection raised — Cost
06/22/2026
Objection raised — Scope
06/18/2026
Permit issued — Sprinklers
B01393065-I1-EW-SP
05/25/2026
Filed — Alteration
Relocation and replacement of sprinkler heads and branches.
B01393065-I1
05/25/2026
Filed — Alteration
Alteration of the HVAC split auxiliary system, replacement with new units, and installation of related condensers on the roof.
B01393063-I1
05/25/2026
Special inspection requirement — Maintenance information
FLORENTIN POPESCU
05/25/2026
Special inspection requirement — HVAC-R and service water heating system controls
FLORENTIN POPESCU
05/25/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
FLORENTIN POPESCU
05/25/2026
Special inspection requirement — Ventilation and air distribution system
FLORENTIN POPESCU
05/25/2026
Special inspection requirement — Permanent certificate
FLORENTIN POPESCU
05/25/2026
Special inspection requirement — Duct leakage testing, insulation and design
FLORENTIN POPESCU
05/22/2026
Filed — Alteration
MINOR INTERIOR RENOVATION INCLUDING REMOVAL AND REPLACEMENT OF EXISTING STAIR AND CATWALK, NO CHANGE OF USE, EGRESS, OR OCCUPANCY.
B01392627-S1
05/18/2026
Filed — Alteration
MINOR INTERIOR RENOVATION INCLUDING REMOVAL AND REPLACEMENT OF EXISTING STAIR AND CATWALK, NO CHANGE OF USE, EGRESS, OR OCCUPANCY.
B01392627-I1
05/18/2026
Special inspection requirement — Interior lighting power
david bench
05/18/2026
Special inspection requirement — Lighting controls
david bench
05/06/2026
Special inspection requirement — Structural Cold-Formed Steel
05/06/2026
Special inspection requirement — Structural Steel - Details
05/06/2026
Special inspection requirement — Final
04/27/2026
Special inspection requirement — Mechanical Systems
FLORENTIN POPESCU
04/27/2026
Special inspection requirement — Final
FLORENTIN POPESCU
04/27/2026
Special inspection requirement — Sprinkler Systems
FLORENTIN POPESCU
04/24/2026
Special inspection requirement — Final
02/26/2026
Signed off — Alteration
PROPOSED INSTALLATION OF SLABS ON GRADE AT 1ST FLOOR OF COMMERCIAL BUILDING.
B01280244-I1
01/26/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
01/15/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
01/07/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
12/22/2025
Permit issued — Foundation
B01280244-I1-FO
12/05/2025
Objection resolved — Addressed
12/05/2025
Objection resolved — Addressed
12/05/2025
Objection resolved — Addressed
10/30/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
10/23/2025
Objection resolved — Addressed
10/22/2025
Objection raised — Scope
10/22/2025
Objection raised — Scope
10/22/2025
Objection raised — Scope
10/22/2025
Objection raised — Scope
10/21/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
10/06/2025
Filed — Alteration
PROPOSED INSTALLATION OF SLABS ON GRADE AT 1ST FLOOR OF COMMERCIAL BUILDING.
B01280244-I1
09/30/2025
Permit issued — Plumbing
B01273879-I1-PL
09/16/2025
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
Paul Raymond
09/05/2025
Filed — Alteration
Installation of plumbing fixtures and piping below the slab of the first floor.
B01273879-I1
09/02/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
EUGENE BIFULCO
09/02/2025
Special inspection requirement — Footing and Foundation
EUGENE BIFULCO
09/02/2025
Special inspection requirement — Final
EUGENE BIFULCO
09/02/2025
Special inspection requirement — Concrete - Cast-In-Place
EUGENE BIFULCO
08/29/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
FLORENTIN POPESCU
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
OUT OF HOME HOLDINGS1409/13/2026
20 GRATTAN ST403/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/21/2024$1.3M—— → —$297/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
STARTECH ENGINEERING P.C.305/25/2026
TITAN ENGINEERS P.C105/22/2026
DAVID BENCH ARCHITECT105/18/2026
STEEL CORE ENGINEERING PLLC110/06/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
SOL BUILDING CONSULTING SERVICES203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
H BUILDING MANAGEMENT INCGeneral Contractor303/21/2026
GREEN APPLE ELECL SVCS LLElectrical103/22/2026
ARMON MECHANICAL INCFire Protection108/26/2026
MECHANICAL EAST CO.,INCGeneral Contractor106/27/2026
ARMON MECHANICAL INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
STARTECH ENGINEERING P.C.1041305/25/2026
CROSSCHECK INSPECTION SER544110/06/2025
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedMECHANICAL EAST CO.,INC06/25/2026
DOB NOWSprinklersPermit IssuedAMA HOLDINGS06/18/2026
DOB NOWFoundationSigned-offH BUILDING MANAGEMENT INC12/22/2025
DOB NOWPlumbingPermit IssuedARMON MECHANICAL INC09/30/2025
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
01/26/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
01/15/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
01/07/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
10/30/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
10/21/2025Pass-Final CND-Occupancy InspectionPassView ↗
▾Special Inspection Requirements (DOB NOW) — 21
DateRequirementInspectorRole
05/25/2026Maintenance informationFLORENTIN POPESCUenergy_progress
05/25/2026HVAC-R and service water heating system controlsFLORENTIN POPESCUenergy_progress
05/25/2026HVAC-R and service water piping design and insulationFLORENTIN POPESCUenergy_progress
05/25/2026Ventilation and air distribution systemFLORENTIN POPESCUenergy_progress
05/25/2026Permanent certificateFLORENTIN POPESCUenergy_progress
05/25/2026Duct leakage testing, insulation and designFLORENTIN POPESCUenergy_progress
05/18/2026Interior lighting powerdavid benchenergy_progress
05/18/2026Lighting controlsdavid benchenergy_progress
05/06/2026Structural Cold-Formed Steel—special
05/06/2026Structural Steel - Details—special
05/06/2026Final—progress
04/27/2026Mechanical SystemsFLORENTIN POPESCUspecial
04/27/2026FinalFLORENTIN POPESCUprogress
04/27/2026Sprinkler SystemsFLORENTIN POPESCUspecial
04/24/2026Final—progress
09/16/2025Subsurface Investigations (Borings/Test Pits)Paul Raymondspecial
09/02/2025Structural Stability – Alterations of existing buildingsEUGENE BIFULCOspecial
09/02/2025Footing and FoundationEUGENE BIFULCOprogress
09/02/2025FinalEUGENE BIFULCOprogress
09/02/2025Concrete - Cast-In-PlaceEUGENE BIFULCOspecial
08/29/2025Fire-Resistant Penetrations and JointsFLORENTIN POPESCUspecial
▾Documents — 59 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/20/2026B01273879-I1Request digital key ↗
08/20/2026B01280244-I1Request digital key ↗
08/17/2026B01392627-I1Request digital key ↗
Showing 3 of 6 on file for this type
▸Applications & Permits4
▸BISPLAN / WORK APPROVAL APPLICATION4
05/17/2022320933665Open ↗
01/06/2015320933665Open ↗
08/18/2014320947053Open ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications23
▸DOB NOWProgress Inspector Seal & Signature8
09/28/2026B01280244-I1Open ↗
08/24/2026B01393063-I1Open ↗
08/24/2026B01393063-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/20/2026B01273879-I1Open ↗
08/20/2026B01280244-I1Open ↗
08/17/2026B01392627-S1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
09/28/2026B01280244-I1Open ↗
09/28/2026B01280244-I1Open ↗
09/01/2026B01393065-I1Open ↗
Showing 3 of 5 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4
07/23/2015320933665Open ↗
07/23/2015320947053Open ↗
08/18/2014320947053Open ↗
Showing 3 of 4 on file for this type
▸Trade Schedules & Equipment3
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE2
01/06/2015320933665Open ↗
08/15/2014320933665Open ↗
▸BISSPRINKLER INSP REPORT : FP-851
12/19/2014320933665Open ↗
▸Safety & Tenant Protection2
▸BISSTREET TREE CHECKLIST2
08/18/2014320947053Open ↗
08/15/2014320933665Open ↗
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/20/2026B01273879-I1Open ↗
08/20/2026B01280244-I1Open ↗
08/17/2026B01392627-I1Open ↗
Showing 3 of 5 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)2
08/18/2014320947053Open ↗
08/15/2014320933665Open ↗
▸BISACP5 ASBESTOS: CERTIFICATION (DEP ACP5)1
12/19/2014320933665Open ↗
▸Energy Compliance1
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
08/15/2014320933665Open ↗
▸Inspections & Test Reports3
▸BISHYDRO FLOW TEST LETTER1
12/19/2014320933665Open ↗
▸DOB NOWSOIL REPORT1
08/13/2026B01280244-I1Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram1
08/13/2026B01280244-I1Open ↗
▸Approvals, Objections & Sign-offs3
▸BISADMINISTRATIVE OBJECTIONS2
08/18/2014320947053Open ↗
08/15/2014320933665Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
11/25/2014320933665Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
08/18/2014320947053Open ↗
08/15/2014320933665Open ↗
▸Filing & Intake Forms2
▸BISEFILING COVER SHEET2
08/18/2014320947053Open ↗
08/15/2014320933665Open ↗
▸Other Documents2
▸BISPLOT DIAGRAM2
08/18/2014320947053Open ↗
08/15/2014320933665Open ↗