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BROOKLYN
Northside Piers
20 5TH STREET · BIN 3430015
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—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
FDNY Report ↗
Flood zone X
Locations of Work
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Whole building & multi-floor projectsGowanus Green Building B LLC1 filing
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
Boulevard Together Developer810/20/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Dagher Engineering506/12/2026
Langan Engineering, Environmental104/20/2026
Langan Engineering104/08/2026
De Nardis Engineering204/07/2026
Marvel Architects102/24/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Domani Consulting103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Langan Engineering, Env, Surveyin1265104/08/2026
Building Lifecycle
All (51)Filed (10)Objection (11)Special Inspection (30)
07/13/2026
Objection raised — Other
06/26/2026
Objection resolved — Resolved
06/23/2026
Objection resolved — Addressed
06/18/2026
Objection raised — Other
06/18/2026
Objection raised — Other
06/12/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-Z2
06/12/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-S6
05/20/2026
Objection raised — Other
05/20/2026
Objection raised — Other
05/19/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-S4
05/19/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-S5
05/03/2026
Objection raised — Other
04/27/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-S8
04/24/2026
Special inspection requirement — Standpipe Systems
04/20/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-S9
04/17/2026
Special inspection requirement — HVAC-R and service water heating equipment
04/17/2026
Special inspection requirement — Shutoff dampers
04/17/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
04/17/2026
Special inspection requirement — HVAC-R and service water heating system controls
04/16/2026
Objection resolved — Resolved
04/15/2026
Objection raised — Other
04/14/2026
Special inspection requirement — Energy Code Compliance Inspections
04/14/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
04/14/2026
Special inspection requirement — HVAC-R and service water heating equipment
04/14/2026
Special inspection requirement — Lighting controls
04/14/2026
Special inspection requirement — HVAC-R and service water heating system controls
04/14/2026
Special inspection requirement — Interior lighting power
04/14/2026
Special inspection requirement — Maintenance information
04/14/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
04/14/2026
Special inspection requirement — Shutoff dampers
04/13/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
04/13/2026
Special inspection requirement — Mechanical Systems
04/13/2026
Special inspection requirement — Energy Code Compliance Inspections
04/13/2026
Special inspection requirement — Post-installed Anchors
04/13/2026
Special inspection requirement — Maintenance information
04/13/2026
Special inspection requirement — Final
04/13/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
04/09/2026
Special inspection requirement — Fuel-Oil Storage and Fuel-Oil Piping Systems
04/08/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-S3
04/07/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-S1
04/07/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-S2
04/06/2026
Objection raised — Other
03/30/2026
Special inspection requirement — Sprinkler Systems
03/30/2026
Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation
03/30/2026
Special inspection requirement — Standpipe Systems
03/27/2026
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
Saul Shapiro
03/27/2026
Special inspection requirement — Mechanical Systems
03/27/2026
Special inspection requirement — Final
03/27/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
Saul Shapiro
03/27/2026
Special inspection requirement — Energy Code Compliance Inspections
02/24/2026
Filed — New Building
INSTALLATIONS OF THE SMD STONE LAYER & SMD/VAPOR COLLECTION SUB-SLAB, OF WP/VN MEMBRANE, BUILDING SLAB & PERMANENT MONITORING POINTS, RISER PIPE & ROOF-MOUNTED & ELECTRICAL CONNECTIONS PROCESS, EQUIPMENT AND STARTUP OF MITIGATION SYSTEM
B01337345-I1
Nothing on file for this building.
1 project · most recent 06/12/2026
Generators Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
06/12/2026——Generators, Heating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Mitsubishi Electric PKA-AL18NL 24,000 BTU · Split System ×4
PUHY-EM96TXU-A 96,000 BTU · Vrf Outdoor ×2
PURY-EM120TXU-A 120,000 BTU · Vrf Outdoor ×2
PEAD-AA12NL 12,000 BTU · Vrf Indoor ×1
PKA-AK24NL 24,000 BTU · Split System ×1
Ventilation
Swegon GOLD F RX 005 830 CFM · Erv ×5
GOLD F RX 070 7,795 CFM · Erv ×2
GOLD F RX 025 2,745 CFM · Erv ×1
Salda SMARTY 3X P 1.1 E 150 CFM · Erv ×7
Generators
Generac SD175 250 kW · Generator ×1
1 project · most recent 06/12/2026
Sprinkler System
FiledStatusContractorScope
06/12/2026——Sprinkler System
1 project · most recent 06/12/2026
Storm Water/Sanitary
FiledStatusContractorScope
06/12/2026——Storm, Water/Sanitary
1 project · most recent 06/12/2026
Steel Concrete Masonry
FiledStatusContractorScope
06/12/2026——Steel, Concrete, Masonry
▾Special Inspection Requirements (DOB NOW) — 63
DateRequirementInspectorRole
04/24/2026Standpipe Systems—special
04/17/2026HVAC-R and service water piping design and insulation—energy_progress
04/17/2026Shutoff dampers—energy_progress
04/17/2026HVAC-R and service water heating equipment—energy_progress
04/17/2026HVAC-R and service water heating system controls—energy_progress
04/14/2026Energy Code Compliance Inspections—progress
04/14/2026Fire-Resistant Penetrations and Joints—special
04/14/2026HVAC-R and service water heating equipment—energy_progress
04/14/2026Shutoff dampers—energy_progress
04/14/2026HVAC-R and service water piping design and insulation—energy_progress
04/14/2026HVAC-R and service water heating system controls—energy_progress
04/14/2026Maintenance information—energy_progress
04/14/2026Interior lighting power—energy_progress
04/14/2026Lighting controls—energy_progress
04/13/2026Mechanical Systems—special
04/13/2026Fire-Resistant Penetrations and Joints—special
04/13/2026Final—progress
04/13/2026Fire-Resistant Penetrations and Joints—special
04/13/2026Maintenance information—energy_progress
04/13/2026Post-installed Anchors—special
04/13/2026Energy Code Compliance Inspections—progress
04/09/2026Fuel-Oil Storage and Fuel-Oil Piping Systems—special
03/30/2026Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation—special
03/30/2026Sprinkler Systems—special
03/30/2026Standpipe Systems—special
Latest 25 of 63.
▾Documents — 36 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
08/16/2026B01337345-S9Request digital key ↗
08/16/2026B01337345-S8Request digital key ↗
08/16/2026B01337345-S6Request digital key ↗
Showing 3 of 10 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWZD1: DOB Zoning Diagram1
08/14/2026B01337345-I1Open ↗
▸Seals & Professional Certifications12
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/16/2026B01337345-S9Open ↗
08/16/2026B01337345-S8Open ↗
08/16/2026B01337345-S6Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
09/05/2026B01337345-S3Open ↗
09/05/2026B01337345-S3Open ↗
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/14/2026B01337345-I1Open ↗
▸Approvals, Objections & Sign-offs10
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter10
08/16/2026B01337345-S9Open ↗
08/16/2026B01337345-S8Open ↗
08/16/2026B01337345-S6Open ↗
Showing 3 of 10 on file for this type
▸Other Documents2
▸DOB NOWSite Survey: Initial1
08/14/2026B01337345-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/14/2026B01337345-I1Open ↗