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Miscellaneous one family
309 CARROLL STREET
BROOKLYN · BIN 3007421
💬 Discuss this project
1875Year Built
2Stories
A9Building Class
R6BZoning
—Gross Floor Area
1Units
Miscellaneous one family · 1.83 FAR built · Flood zone X
Locations of Work
Structural
Floor 11 filing · 15 docs
Sub-Basement1 filing · 15 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
HANSEN ARCHTITECTURE + DESIGN105/19/2025
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BROOK LANDSCAPE INCGeneral Contractor203/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
H2 CONSULTING PE PC835105/19/2025
Building Lifecycle
All (13)Filed (1)Permit Issued (1)Special Inspection (11)
05/22/2025
Permit issued — Structural
B01212412-I1-GC-CX
05/20/2025
Special inspection requirement — Exterior lighting power
Christina Hansen
05/19/2025
Filed — Alteration
THE PROJECT SCOPE OF WORK INCLUDES A NEW DECK AT THE FIRST FLOOR WITH STAIRS DOWN TO THE GARDEN LEVEL, REPLACEMENT OF WINDOW WITH NEW DOOR AND LANDSCAPING WORK.
B01212412-I1
05/17/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Christina Hansen
05/17/2025
Special inspection requirement — Air barrier - visual inspection
Christina Hansen
04/17/2025
Special inspection requirement — Structural Steel - Welding
Harry Hong
04/17/2025
Special inspection requirement — Subgrade Inspections
Harry Hong
04/17/2025
Special inspection requirement — Concrete - Cast-In-Place
Harry Hong
04/17/2025
Special inspection requirement — Final
Christina Hansen
04/17/2025
Special inspection requirement — Footing and Foundation
Christina Hansen
04/17/2025
Special inspection requirement — Tenant Protection Plan Compliance
Harry Hong
04/17/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
Harry Hong
04/17/2025
Special inspection requirement — Structural Steel - Details
Harry Hong
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWStructuralPermit IssuedBROOK LANDSCAPE05/22/2025
BISPLISSUEDPAUL QUINN PLBG & HTG INC04/20/2007
BISPLISSUEDPAUL QUINN PLBG & HTG INC03/20/2002
BISOTISSUEDPILASTER CABINETS INC03/15/2002
1 project · most recent 01/19/2022
FiledStatusContractorScope
01/19/2022CompleteROGER DE ELECTRIC CO.1 meters, 1 new_meters
1 project · most recent 05/19/2025
Steel
FiledStatusContractorScope
05/19/2025Permit IssuedBROOK LANDSCAPE INCSteel
▾Special Inspection Requirements (DOB NOW) — 11
DateRequirementInspectorRole
05/20/2025Exterior lighting powerChristina Hansenenergy_progress
05/17/2025Fenestration and door U-factor and product ratingsChristina Hansenenergy_progress
05/17/2025Air barrier - visual inspectionChristina Hansenenergy_progress
04/17/2025Structural Steel - WeldingHarry Hongspecial
04/17/2025Subgrade InspectionsHarry Hongspecial
04/17/2025Concrete - Cast-In-PlaceHarry Hongspecial
04/17/2025FinalChristina Hansenprogress
04/17/2025Footing and FoundationChristina Hansenprogress
04/17/2025Tenant Protection Plan ComplianceHarry Hongspecial
04/17/2025Structural Stability – Alterations of existing buildingsHarry Hongspecial
04/17/2025Structural Steel - DetailsHarry Hongspecial
▾Documents — 15 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/21/2026B01212412-I1Request digital key ↗
▸Applications & Permits1
▸DOB NOWLPC Approval/Permit1
08/13/2026B01212412-I1Open ↗
▸Seals & Professional Certifications12
▸DOB NOWSpecial Inspector Seal & Signature6
08/24/2026B01212412-I1Open ↗
08/24/2026B01212412-I1Open ↗
08/24/2026B01212412-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWProgress Inspector Seal & Signature5
08/24/2026B01212412-I1Open ↗
08/24/2026B01212412-I1Open ↗
08/24/2026B01212412-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026B01212412-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B01212412-I1Open ↗