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Primarily 2 family with 1 store or office
470 HUMBOLDT STREET
BROOKLYN · BIN 3069980
💬 Discuss this project
1899Year Built
2Stories
S2Building Class
R6BZoning
—Gross Floor Area
3Units
Primarily 2 family with 1 store or office · 1.1 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Roof2p · 1 filing · 20 docs
Bulkhead4p · 1 filing · 20 docs
Penthouse2p · 1 filing · 20 docs
Floor 41p · 1 filing · 20 docs
Floor 38p · 1 filing · 20 docs
Floor 21p · 1 filing · 20 docs
Floor 1
Cellar8p · 1 filing · 20 docs
1 job · most recent 07/27/2026
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
07/27/2026——Heating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Mitsubishi Electric MXZ-SM36NLHZ 36,000 BTU · Condensing Unit ×3
MXZ-SM48NLHZ 48,000 BTU · Condensing Unit ×2
MXZ-SM42NLHZ 42,000 BTU · Condensing Unit ×1
Ventilation
Renewaire HE10RT 605 CFM · Erv ×1
1 job · most recent 07/27/2026
Sprinkler System
FiledStatusContractorScope
07/27/2026——Sprinkler System
1 job · most recent 07/27/2026
Storm Water/Sanitary
FiledStatusContractorScope
07/27/2026——Storm, Water/Sanitary
1 job · most recent 09/18/2023
FiledStatusContractorScope
09/18/2023CompleteROBERT CHIMENTI2 meters
1 job · most recent 07/27/2026
Steel Concrete Masonry
FiledStatusContractorScope
07/27/2026——Steel, Concrete, Masonry
Building Lifecycle
All (106)Filed (7)Objection (69)Special Inspection (30)
09/21/2026
Objection raised — Inspections
09/14/2026
Objection resolved — Addressed
08/31/2026
Objection resolved — Addressed
08/11/2026
Objection raised — Other
08/07/2026
Objection resolved — Resolved
08/07/2026
Objection resolved — Resolved
08/07/2026
Objection resolved — Resolved
08/07/2026
Objection resolved — Resolved
08/07/2026
Objection resolved — Resolved
08/07/2026
Objection resolved — Resolved
08/07/2026
Objection resolved — Resolved
08/07/2026
Objection resolved — Resolved
08/07/2026
Objection resolved — Resolved
08/04/2026
Objection resolved — Addressed
07/29/2026
Objection raised — Structural
07/29/2026
Objection raised — Other
07/29/2026
Objection raised — Structural
07/29/2026
Objection raised — Other
07/29/2026
Objection raised — Structural
07/29/2026
Objection raised — Structural
07/29/2026
Objection raised — Admin
07/29/2026
Objection raised — Other
07/29/2026
Objection raised — Other
07/27/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
FILED HEREIN VERTICAL AND HORIZONTAL EXTENSION ON EXISTING 2 STORY + CELLAR BUILDING (2 DWELLINGS); PROPOSED CONVERSION TO 4 STORY + CELLAR BUILDING, RESIDENTIAL USE 4 DWELLINGS.
B01378680-S6
07/27/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
FILED HEREIN VERTICAL AND HORIZONTAL EXTENSION ON EXISTING 2 STORY + CELLAR BUILDING (2 DWELLINGS); PROPOSED CONVERSION TO 4 STORY + CELLAR BUILDING, RESIDENTIAL USE 4 DWELLINGS.
B01378680-S4
07/27/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
FILED HEREIN VERTICAL AND HORIZONTAL EXTENSION ON EXISTING 2 STORY + CELLAR BUILDING (2 DWELLINGS); PROPOSED CONVERSION TO 4 STORY + CELLAR BUILDING, RESIDENTIAL USE 4 DWELLINGS.
B01378680-S5
07/23/2026
Special inspection requirement — Concrete - Cast-In-Place
07/23/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
07/23/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
07/23/2026
Special inspection requirement — Fire-Resistance Rated Construction
07/23/2026
Special inspection requirement — Energy Code Compliance Inspections
07/23/2026
Special inspection requirement — Subgrade Inspections
07/23/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
07/23/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
07/22/2026
Special inspection requirement — Footing and Foundation
07/22/2026
Special inspection requirement — Final
06/05/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
06/03/2026
Objection raised — Admin
06/01/2026
Objection raised — Energy
06/01/2026
Objection raised — Mechanical
06/01/2026
Objection raised — Structural
06/01/2026
Objection resolved — Addressed
06/01/2026
Objection resolved — Addressed
06/01/2026
Objection resolved — Addressed
05/29/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
FILED HEREIN VERTICAL AND HORIZONTAL EXTENSION ON EXISTING 2 STORY + CELLAR BUILDING (2 DWELLINGS); PROPOSED CONVERSION TO 4 STORY + CELLAR BUILDING, RESIDENTIAL USE 4 DWELLINGS.
B01378680-S3
05/29/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
FILED HEREIN VERTICAL AND HORIZONTAL EXTENSION ON EXISTING 2 STORY + CELLAR BUILDING (2 DWELLINGS); PROPOSED CONVERSION TO 4 STORY + CELLAR BUILDING, RESIDENTIAL USE 4 DWELLINGS.
B01378680-S2
05/29/2026
Objection raised — Energy
05/28/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
FILED HEREIN VERTICAL AND HORIZONTAL EXTENSION ON EXISTING 2 STORY + CELLAR BUILDING (2 DWELLINGS); PROPOSED CONVERSION TO 4 STORY + CELLAR BUILDING, RESIDENTIAL USE 4 DWELLINGS.
B01378680-S1
05/27/2026
Special inspection requirement — HVAC-R and service water heating system controls
05/27/2026
Special inspection requirement — Maintenance information
05/27/2026
Special inspection requirement — Energy Code Compliance Inspections
05/27/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
05/27/2026
Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation
05/27/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
05/27/2026
Special inspection requirement — HVAC-R and service water heating equipment
05/26/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
05/26/2026
Special inspection requirement — Exhaust and Vent Systems in Plenums and Ducts
05/26/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
05/26/2026
Special inspection requirement — Mechanical Systems
05/26/2026
Special inspection requirement — Energy Code Compliance Inspections
Latest 60 of 106 events.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MORTAR GROUP209/13/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NTD ENGINEERING CONSULTANT LLC307/27/2026
ALL CITY ENGINEERING, P.C.305/29/2026
MORTAR ARCHITECTURE PLLC103/27/2026
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
BISEQISSUEDTRINIDAD CONSTRUCTION CORP04/15/2011
BISOTISSUEDTRINIDAD CONSTRUCTION CORP03/10/2011
▾Special Inspection Requirements (DOB NOW) — 51
DateRequirementInspectorRole
07/23/2026Concrete - Cast-In-Place—special
07/23/2026Structural Stability – Alterations of existing buildings—special
07/23/2026Excavations - Sheeting, Shoring, and Bracing—special
07/23/2026Fire-Resistance Rated Construction—progress
07/23/2026Energy Code Compliance Inspections—progress
07/23/2026Subgrade Inspections—special
07/23/2026Excavations - Sheeting, Shoring, and Bracing—special
07/23/2026Subsurface Investigations (Borings/Test Pits)—special
07/22/2026Footing and Foundation—progress
07/22/2026Final—progress
06/05/2026Structural Stability – Alterations of existing buildings—special
05/27/2026HVAC-R and service water heating system controls—energy_progress
05/27/2026Maintenance information—energy_progress
05/27/2026Energy Code Compliance Inspections—progress
05/27/2026Fire-Resistant Penetrations and Joints—special
05/27/2026Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation—special
05/27/2026HVAC-R and service water piping design and insulation—energy_progress
05/27/2026HVAC-R and service water heating equipment—energy_progress
05/26/2026HVAC-R and service water piping design and insulation—energy_progress
05/26/2026Exhaust and Vent Systems in Plenums and Ducts—special
05/26/2026Fire-Resistant Penetrations and Joints—special
05/26/2026Mechanical Systems—special
05/26/2026Energy Code Compliance Inspections—progress
05/26/2026Final—progress
05/26/2026HVAC-R and service water heating equipment—energy_progress
Latest 25 of 51.
▾Documents — 45 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/16/2026B01378680-S5Request digital key ↗
08/16/2026B01378680-S6Request digital key ↗
08/16/2026B01378680-I1Request digital key ↗
Showing 3 of 7 on file for this type
▸Applications & Permits5
▸BISPLAN / WORK APPROVAL APPLICATION3
04/14/2011320286196Open ↗
03/24/2011320286196Open ↗
12/28/2010320245640Open ↗
▸BISWORK PERMIT APPLICATION2
04/19/2011320286196Open ↗
03/14/2011320245640Open ↗
▸Zoning, Tax Lot & Property Records3
▸DOB NOWZD1: DOB Zoning Diagram1
08/16/2026B01378680-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/16/2026B01378680-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)1
08/16/2026B01378680-I1Open ↗
▸Seals & Professional Certifications10
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/16/2026B01378680-S2Open ↗
08/16/2026B01378680-S4Open ↗
08/16/2026B01378680-S3Open ↗
Showing 3 of 7 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3
11/07/2011320245640Open ↗
03/24/2011320286196Open ↗
12/28/2010320245640Open ↗
▸Safety & Tenant Protection1
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/16/2026B01378680-I1Open ↗
▸Environmental & Asbestos2
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
03/24/2011320286196Open ↗
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
12/28/2010320245640Open ↗
▸Energy Compliance1
▸BISAS-BUILT ENERGY ANALYSIS1
11/19/2011320286196Open ↗
▸Inspections & Test Reports1
▸DOB NOWSOIL REPORT1
08/15/2026B01378680-S4Open ↗
▸Approvals, Objections & Sign-offs6
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
11/21/2011320286196Open ↗
11/07/2011320286196Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION2
11/19/2011320286196Open ↗
11/07/2011320245640Open ↗
▸BISADMINISTRATIVE OBJECTIONS2
03/24/2011320286196Open ↗
12/28/2010320245640Open ↗
▸Cost, Insurance & Ownership4
▸BISCOST AFFIDAVIT4
11/07/2011320245640Open ↗
11/07/2011320286196Open ↗
03/24/2011320286196Open ↗
Showing 3 of 4 on file for this type
▸Filing & Intake Forms2
▸BISEFILING COVER SHEET2
03/24/2011320286196Open ↗
12/28/2010320245640Open ↗
▸Other Documents3
▸DOB NOWProperty Ownership Certification1
08/16/2026B01378680-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/16/2026B01378680-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/16/2026B01378680-I1Open ↗