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Three families
1252 46 STREET
BROOKLYN · BIN 3136951
💬 Discuss this project
1960Year Built
3Stories
C0Building Class
R6Zoning
4,176 sfGross Floor Area
3Units
Three families · 2,400 sf lot · 1.74 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire ProtectionGeneral
Roof3p · 1 filing · 20 docs
Floor 33p · 1 filing · 20 docs
Floor 24p · 1 filing · 20 docs
Floor 1
Cellar6p · 1 filing · 20 docs
Basement2p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/13/2022$1.9M—Private party → Private party$455/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
BAOBAB ARCHITECTS P.C.211/21/2025
KCE CONSULTING ENGINEERING PLLC409/09/2025
CHOSEN MEP, CORP.308/21/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BAC Developers Group903/21/2026
Building Lifecycle
All (89)Filed (9)Objection (54)Special Inspection (26)
04/23/2026
Objection resolved — Resolved
04/23/2026
Objection resolved — Resolved
02/02/2026
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/18/2025
Objection resolved — Addressed
12/18/2025
Objection resolved — Addressed
12/18/2025
Objection resolved — Addressed
12/18/2025
Objection resolved — Addressed
12/13/2025
Objection raised — Admin
12/01/2025
Objection resolved — Addressed
11/21/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
PLUMBING SYSTEM FILED IN CONJUNCTION WITH ALT CO JOB NUMBER B01135549-I1.
B01135549-S8
11/21/2025
Objection raised — Admin
11/21/2025
Objection resolved — Addressed
11/11/2025
Objection resolved — Addressed
11/11/2025
Objection resolved — Addressed
11/11/2025
Objection resolved — Addressed
11/05/2025
Objection resolved — Addressed
09/19/2025
Objection raised — Structural
09/19/2025
Objection raised — Admin
09/19/2025
Objection raised — Admin
09/19/2025
Objection raised — Structural
09/19/2025
Objection raised — Admin
09/19/2025
Objection raised — Admin
09/19/2025
Objection raised — Structural
09/19/2025
Objection raised — Structural
09/19/2025
Objection raised — Other
09/17/2025
Objection raised — Admin
09/17/2025
Objection resolved — Addressed
09/17/2025
Objection raised — Structural
09/17/2025
Objection resolved — Addressed
09/17/2025
Objection raised — Admin
09/17/2025
Objection raised — Other
09/17/2025
Objection raised — Other
09/17/2025
Objection raised — Structural
09/09/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
PLUMBING SYSTEM FILED IN CONJUNCTION WITH ALT CO JOB NUMBER B01135549-I1.
B01135549-S4
09/05/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
PLUMBING SYSTEM FILED IN CONJUNCTION WITH ALT CO JOB NUMBER B01135549-I1.
B01135549-S6
09/05/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
PLUMBING SYSTEM FILED IN CONJUNCTION WITH ALT CO JOB NUMBER B01135549-I1.
B01135549-S5
09/05/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
PLUMBING SYSTEM FILED IN CONJUNCTION WITH ALT CO JOB NUMBER B01135549-I1.
B01135549-S7
09/02/2025
Objection raised — Scope
09/02/2025
Objection raised — Energy
09/02/2025
Objection raised — Mechanical
09/02/2025
Objection raised — Scope
08/26/2025
Special inspection requirement — Structural Cold-Formed Steel
08/26/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
08/25/2025
Special inspection requirement — Final
08/25/2025
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
08/25/2025
Special inspection requirement — Subgrade Inspections
08/25/2025
Special inspection requirement — Concrete - Cast-In-Place
08/25/2025
Special inspection requirement — Post-installed Anchors
08/25/2025
Special inspection requirement — Subgrade Inspections
08/25/2025
Special inspection requirement — Underpinning
08/25/2025
Special inspection requirement — Final
08/25/2025
Special inspection requirement — Footing and Foundation
08/25/2025
Special inspection requirement — Structural Steel - Details
08/25/2025
Special inspection requirement — Structural Steel - Welding
Latest 60 of 89 events.
Nothing on file for this building.
1 project · most recent 11/21/2025
Air Conditioning Systems Heating Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
11/21/2025——Air Conditioning Systems, Heating Systems, Ventilation Systems
Cooling
Mitsubishi Electric MXZ-SM36NL 36,000 BTU · Pump ×1
MXZ-SM48NL 48,000 BTU · Pump ×1
MXZ-SM60NL 60,000 BTU · Pump ×1
Goodman GLXS4BA6010A 60,000 BTU · Condensing Unit ×1
Heating
Mitsubishi Electric MXZ-SM36NL 41,000 BTU · Pump ×1
MXZ-SM48NL 50,000 BTU · Pump ×1
MXZ-SM60NL 66,000 BTU · Pump ×1
Ventilation
Zephyr Z5H 80 CFM · Exhaust Fan ×2
Greenheck SP-A110 50 CFM · Exhaust Fan ×1
1 project · most recent 11/21/2025
Sprinkler System
FiledStatusContractorScope
11/21/2025——Sprinkler System
1 project · most recent 11/21/2025
Gas Storm Water/Sanitary
FiledStatusContractorScope
11/21/2025——Gas, Storm, Water/Sanitary
1 project · most recent 11/21/2025
Steel Concrete
FiledStatusContractorScope
11/21/2025——Steel, Concrete
1 project · most recent 11/21/2025
Fence
FiledStatusContractorScope
11/21/2025——Fence
▾Special Inspection Requirements (DOB NOW) — 26
DateRequirementInspectorRole
08/26/2025Structural Cold-Formed Steel—special
08/26/2025Structural Stability – Alterations of existing buildings—special
08/25/2025Final—progress
08/25/2025Excavations - Sheeting, Shoring, and Bracing—special
08/25/2025Subgrade Inspections—special
08/25/2025Concrete - Cast-In-Place—special
08/25/2025Post-installed Anchors—special
08/25/2025Subgrade Inspections—special
08/25/2025Underpinning—special
08/25/2025Final—progress
08/25/2025Footing and Foundation—progress
08/25/2025Structural Steel - Details—special
08/25/2025Structural Steel - Welding—special
08/25/2025Structural Steel - High Strength Bolting—special
08/25/2025Post-installed Anchors—special
08/25/2025Structural Stability – Alterations of existing buildings—special
06/04/2025Structural Stability – Alterations of existing buildings—special
04/28/2025Post-installed Anchors—special
04/28/2025Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation—special
04/28/2025HVAC-R and service water piping design and insulation—energy_progress
04/28/2025HVAC-R and service water heating equipment—energy_progress
04/28/2025HVAC-R and service water heating system controls—energy_progress
04/28/2025Maintenance information—energy_progress
04/28/2025Sprinkler Systems—special
04/28/2025Fire-Resistant Penetrations and Joints—special
Latest 25 of 26.
▾Documents — 50 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/20/2026B01135549-I1Request digital key ↗
08/15/2026B01135549-S7Request digital key ↗
08/15/2026B01135549-S8Request digital key ↗
Showing 3 of 9 on file for this type
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
05/07/2025340917734Open ↗
▸BISBPP-5 - Authorization to the Department of Transportation1
05/07/2025340917734Open ↗
▸Zoning, Tax Lot & Property Records3
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B01135549-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B01135549-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B01135549-I1Open ↗
▸Seals & Professional Certifications11
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/13/2026B01135549-S4Open ↗
08/13/2026B01135549-S3Open ↗
08/13/2026B01135549-I1Open ↗
Showing 3 of 9 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
05/07/2025340917734Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
05/07/2025340917734Open ↗
▸Trade Schedules & Equipment1
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)1
08/13/2026B01135549-I1Open ↗
▸Safety & Tenant Protection2
▸BISBPP: STREET TREES SITE PLAN1
12/01/2025340917734Open ↗
▸BISSTREET TREE CHECKLIST1
05/07/2025340917734Open ↗
▸Environmental & Asbestos10
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/13/2026B01135549-S8Open ↗
08/13/2026B01135549-S7Open ↗
08/13/2026B01135549-S4Open ↗
Showing 3 of 9 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
05/07/2025340917734Open ↗
▸Inspections & Test Reports1
▸DOB NOWHydrant Flow Test Letter1
08/14/2026B01135549-S2Open ↗
▸Filing & Intake Forms2
▸BISEFILING JOB APPLICATION COVER SHEET1
05/07/2025340917734Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
05/07/2025340917734Open ↗
▸Other Documents9
▸BISBPP - SUPPORTING DOCUMENTATION2
06/09/2025340917734Open ↗
06/09/2025340917734Open ↗
▸DOB NOWSite Survey: Initial2
08/13/2026B01135549-I1Open ↗
08/13/2026B01135549-I1Open ↗
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
01/05/2026340917734Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026B01135549-S5Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B01135549-I1Open ↗
▸DOB NOWProperty Ownership Certification1
08/13/2026B01135549-I1Open ↗
▸DOB NOWHydraulic Calculations1
08/13/2026B01135549-S2Open ↗