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Miscellaneous two family
308 23 STREET
BROOKLYN · BIN 3017712
💬 Discuss this project
1901Year Built
2Stories
B9Building Class
R6BZoning
1,460 sfGross Floor Area
2Units
Miscellaneous two family · 3,005 sf lot · 0.49 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire Protection
Roof3p · 2 filings · 20 docs
Bulkhead2p · 1 filing · 20 docs
Floor 53p · 1 filing · 20 docs
Floor 43p · 1 filing · 20 docs
Floor 34p · 1 filing · 20 docs
Floor 23p · 2 filings · 20 docs
Floor 17p · 2 filings · 20 docs
Cellar4p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/16/2025$1.6M—— → —$1,075/sf building
▾Design Consultants (Architect / Engineer of Record)
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BMB BUILDING CONSULTING203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
UGB CONSTRUCTION INCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
ADROIT ENGINEERING PLLC8885109/09/2025
Building Lifecycle
All (100)Filed (10)Permit Issued (1)Objection (59)Special Inspection (30)
06/24/2026
Objection resolved — Resolved
06/24/2026
Objection resolved — Addressed
06/24/2026
Objection resolved — Resolved
06/24/2026
Objection resolved — Resolved
06/12/2026
Objection resolved — Resolved
06/12/2026
Objection resolved — Resolved
06/11/2026
Objection resolved — Resolved
06/03/2026
Objection raised — Other
05/27/2026
Filed — New Building
Propose sprinkler system for a new 5-story plus cellar residential building as per plan, filed in conjunction with GC # B01323372-I1.
B01323372-S7
05/22/2026
Objection resolved — Addressed
05/21/2026
Objection raised — Scope
05/21/2026
Objection raised — Scope
05/21/2026
Objection raised — Scope
05/21/2026
Objection raised — Scope
05/21/2026
Objection raised — Scope
05/21/2026
Objection raised — Scope
05/21/2026
Objection raised — Scope
05/20/2026
Objection raised — Scope
05/19/2026
Objection raised — Scope
05/19/2026
Objection raised — Scope
05/19/2026
Objection raised — Scope
05/11/2026
Permit issued — Construction Fence
B01326361-I1-FN
05/06/2026
Filed — New Building
Propose sprinkler system for a new 5-story plus cellar residential building as per plan, filed in conjunction with GC # B01323372-I1.
B01323372-S6
05/06/2026
Filed — New Building
Propose sprinkler system for a new 5-story plus cellar residential building as per plan, filed in conjunction with GC # B01323372-I1.
B01323372-S5
05/06/2026
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
05/06/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
05/06/2026
Special inspection requirement — Structural Steel - Details
05/06/2026
Special inspection requirement — Structural Steel - Welding
05/06/2026
Special inspection requirement — Subgrade Inspections
05/06/2026
Special inspection requirement — Concrete - Cast-In-Place
05/06/2026
Special inspection requirement — Post-installed Anchors
05/05/2026
Special inspection requirement — Footing and Foundation
05/05/2026
Special inspection requirement — Final
05/01/2026
Special inspection requirement — Subgrade Inspections
05/01/2026
Special inspection requirement — Concrete - Cast-In-Place
05/01/2026
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
05/01/2026
Special inspection requirement — Structural Steel - Details
05/01/2026
Special inspection requirement — Post-installed Anchors
05/01/2026
Special inspection requirement — Concrete - Cast-In-Place
05/01/2026
Special inspection requirement — Structural Steel - High Strength Bolting
05/01/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
05/01/2026
Special inspection requirement — Structural Steel - Welding
05/01/2026
Special inspection requirement — Structural Steel - Welding
04/30/2026
Special inspection requirement — Structural Steel - Details
04/30/2026
Special inspection requirement — Masonry
04/14/2026
Objection resolved — Resolved
04/14/2026
Objection resolved — Resolved
04/14/2026
Objection resolved — Resolved
04/10/2026
Objection raised — Scope
04/10/2026
Objection raised — Scope
04/10/2026
Objection raised — Scope
04/10/2026
Objection raised — Plumbing
04/10/2026
Objection raised — Admin
04/10/2026
Objection raised — Plumbing
04/10/2026
Objection raised — Fire_Protection
04/09/2026
Objection raised — Structural
04/09/2026
Objection raised — Structural
04/09/2026
Objection raised — Structural
04/09/2026
Objection raised — Structural
04/09/2026
Objection raised — Structural
Latest 60 of 100 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedUGB CONSTRUCTION INC05/11/2026
1 project · most recent 05/27/2026
Sprinkler System
FiledStatusContractorScope
05/27/2026——Sprinkler System
1 project · most recent 05/27/2026
Storm Water/Sanitary
FiledStatusContractorScope
05/27/2026——Storm, Water/Sanitary
1 project · most recent 05/27/2026
Steel Concrete Masonry
FiledStatusContractorScope
05/27/2026——Steel, Concrete, Masonry
1 project · most recent 12/04/2025
Fence
FiledStatusContractorScope
12/04/2025Permit IssuedUGB CONSTRUCTION INCFence
▾Special Inspection Requirements (DOB NOW) — 64
DateRequirementInspectorRole
05/06/2026Subgrade Inspections—special
05/06/2026Structural Steel - Details—special
05/06/2026Post-installed Anchors—special
05/06/2026Concrete - Cast-In-Place—special
05/06/2026Excavations - Sheeting, Shoring, and Bracing—special
05/06/2026Subsurface Conditions – Fill Placement & In-Place Density—special
05/06/2026Structural Steel - Welding—special
05/05/2026Final—progress
05/05/2026Footing and Foundation—progress
05/01/2026Subgrade Inspections—special
05/01/2026Structural Steel - Details—special
05/01/2026Post-installed Anchors—special
05/01/2026Excavations - Sheeting, Shoring, and Bracing—special
05/01/2026Concrete - Cast-In-Place—special
05/01/2026Structural Steel - Welding—special
05/01/2026Structural Steel - High Strength Bolting—special
05/01/2026Concrete - Cast-In-Place—special
05/01/2026Subsurface Conditions – Fill Placement & In-Place Density—special
05/01/2026Structural Steel - Welding—special
04/30/2026Masonry—special
04/30/2026Structural Steel - Details—special
03/23/2026Insulation placement and R values—energy_progress
03/23/2026Interior lighting power—energy_progress
03/23/2026Electrical motors and elevators—energy_progress
03/20/2026Post-installed Anchors—special
Latest 25 of 64.
▾Documents — 31 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
08/20/2026B01260562-I1Request digital key ↗
08/19/2026B01326361-I1Request digital key ↗
08/16/2026B01323372-S5Request digital key ↗
Showing 3 of 10 on file for this type
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B01323372-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/16/2026B01323372-I1Open ↗
▸Seals & Professional Certifications10
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/20/2026B01260562-I1Open ↗
08/19/2026B01326361-I1Open ↗
08/16/2026B01323372-S4Open ↗
Showing 3 of 10 on file for this type
▸Safety & Tenant Protection2
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/16/2026B01323372-I1Open ↗
▸DOB NOWStreet Tree Checklist1
08/13/2026B01323372-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/20/2026B01260562-I1Open ↗
▸Inspections & Test Reports1
▸DOB NOWSOIL REPORT1
08/13/2026B01323372-S4Open ↗
▸Other Documents5
▸DOB NOWProperty Ownership Certification2
08/20/2026B01260562-I1Open ↗
08/16/2026B01323372-I1Open ↗
▸DOB NOWStructure Photographs1
08/13/2026B01260562-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B01323372-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B01323372-I1Open ↗