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Two stories - detached, small or mid-size
12 BAY 35 STREET
BROOKLYN · BIN 3185463
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1925Year Built
2Stories
A1Building Class
R5Zoning
1,704 sfGross Floor Area
1Units
Two stories - detached, small or mid-size · 2,707 sf lot · 0.63 FAR built · Flood zone X500
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingFire Protection
Roof5p · 3 filings · 20 docs
Bulkhead2p · 3 filings · 20 docs
Floor 43p · 3 filings · 20 docs
Floor 35p · 3 filings · 20 docs
Floor 23p · 4 filings · 20 docs
Floor 14p · 3 filings · 20 docs
Cellar7p · 3 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
H Z BUILDING CONSULT109/01/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/28/2026$1.3M—— → —$751/sf building
06/25/2019$1.1M—— → —$634/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
YANG ENGINEERING LLC1008/28/2026
CONSTRCTN. MGNT. & SFTY. CON., INC.105/17/2026
DEFONSECA ARCHITECTS503/13/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
SD DESIGN STUDIO1003/21/2026
DEFONSECA ARCHITECTS103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ACER CONSTRUCTION INCGeneral Contractor104/09/2026
Building Lifecycle
All (123)Filed (12)Permit Issued (1)Objection (80)Special Inspection (30)
08/28/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
PROPOSED VERTICAL AND HORIZONTAL ENLARGEMENT OF AN EXISTING 2-STORY BUILDING TO 5-STORY EIGHT-FAMILY MIXED-USE BUILDING AS PER PLAN. OBTAIN NEW CERTIFICATE OF OCCUPANCY.
B01403104-S3
08/28/2026
Special inspection requirement — Sprinkler Systems
07/10/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/09/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/07/2026
Objection resolved — Addressed
07/01/2026
Objection raised — Fire_Protection
07/01/2026
Objection raised — Inspections
07/01/2026
Objection raised — Fire_Protection
07/01/2026
Objection raised — Zoning
07/01/2026
Objection raised — Structural
07/01/2026
Objection raised — Accessibility
07/01/2026
Objection raised — Scope
07/01/2026
Objection raised — Fire_Protection
07/01/2026
Objection raised — Energy
07/01/2026
Objection raised — Zoning
07/01/2026
Objection raised — Zoning
07/01/2026
Objection raised — Structural
07/01/2026
Objection raised — Structural
07/01/2026
Objection raised — Zoning
07/01/2026
Objection raised — Zoning
07/01/2026
Objection raised — Cost
07/01/2026
Objection raised — Accessibility
07/01/2026
Objection raised — Zoning
Latest 60 of 123 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedACER CONSTRUCTION INC02/04/2026
1 project · most recent 03/17/2026
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScope
03/17/2026——Heating and Air Conditioning Systems, Ventilation Systems
2 projects · most recent 03/17/2026
Storm Water/Sanitary Gas
FiledStatusContractorScope
03/17/2026——Gas, Storm, Water/Sanitary
01/28/2026——Storm, Water/Sanitary
2 projects · most recent 04/29/2026
Steel Concrete Masonry
FiledStatusContractorScope
04/29/2026——1 scope_items
01/28/2026——Steel, Concrete, Masonry
▾Special Inspection Requirements (DOB NOW) — 72
DateRequirementInspectorRole
08/28/2026Sprinkler Systems—special
04/01/2026Post-installed Anchors—special
04/01/2026Fire-Resistant Penetrations and Joints—special
03/25/2026Structural Stability – Alterations of existing buildings—special
03/16/2026Fire-Resistance Rated Construction—progress
03/16/2026HVAC-R and service water heating system controls—energy_progress
03/16/2026Maintenance information—energy_progress
03/16/2026HVAC-R and service water piping design and insulation—energy_progress
03/16/2026Metering—energy_progress
03/16/2026HVAC-R and service water heating equipment—energy_progress
03/16/2026Shutoff dampers—energy_progress
03/16/2026Fire-Resistant Penetrations and Joints—special
03/16/2026Mechanical Systems—special
03/16/2026Final—progress
03/16/2026Energy Code Compliance Inspections—progress
03/16/2026Fire-Resistant Penetrations and Joints—special
03/16/2026HVAC-R and service water heating system controls—energy_progress
03/16/2026HVAC-R and service water heating equipment—energy_progress
03/16/2026Maintenance information—energy_progress
03/16/2026HVAC-R and service water piping design and insulation—energy_progress
03/16/2026Energy Code Compliance Inspections—progress
03/16/2026Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation—special
03/16/2026Sprinkler Systems—special
03/13/2026Subsurface Investigations (Borings/Test Pits)—special
03/13/2026Final—progress
Latest 25 of 72.
▾Documents — 55 on file (BIS + DOB NOW)
▸Plans & Drawings14
▸DOB NOWPlans/Sketch14
08/18/2026B01344628-S4Request digital key ↗
08/18/2026B01344628-S3Request digital key ↗
08/18/2026B01344628-I1Request digital key ↗
Showing 3 of 14 on file for this type
▸Zoning, Tax Lot & Property Records8
▸DOB NOWZD1: DOB Zoning Diagram4
08/15/2026B01403104-I1Open ↗
08/14/2026B01363657-I1Open ↗
08/13/2026B01344628-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp2
08/15/2026B01403104-I1Open ↗
08/14/2026B01363657-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)2
08/15/2026B01403104-I1Open ↗
08/14/2026B01363657-I1Open ↗
▸Seals & Professional Certifications14
▸DOB NOWDPL-1: Design Professional Seal & Signature14
08/18/2026B01354939-I1Open ↗
08/18/2026B01368716-I1Open ↗
08/17/2026B01363657-S5Open ↗
Showing 3 of 14 on file for this type
▸Trade Schedules & Equipment1
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)1
08/15/2026B01403104-I1Open ↗
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/15/2026B01403104-I1Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/15/2026B01403104-I1Open ↗
08/15/2026B01368716-I1Open ↗
08/15/2026B01392490-I1Open ↗
Showing 3 of 4 on file for this type
▸Inspections & Test Reports4
▸DOB NOWSOIL REPORT2
08/13/2026B01363657-S2Open ↗
08/13/2026B01344628-S4Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram2
08/13/2026B01344628-S4Open ↗
08/13/2026B01363657-S2Open ↗
▸Other Documents9
▸DOB NOWSite Survey: Initial3
08/15/2026B01403104-I1Open ↗
08/13/2026B01344628-I1Open ↗
08/13/2026B01363657-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
08/15/2026B01403104-I1Open ↗
08/13/2026B01363657-I1Open ↗
08/13/2026B01344628-I1Open ↗
▸DOB NOWProperty Ownership Certification3
08/15/2026B01403104-I1Open ↗
08/13/2026B01363657-I1Open ↗
08/13/2026B01344628-I1Open ↗