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Four families
391 DOUGLASS STREET
BROOKLYN · Park Slope · BIN 3019177
💬 Discuss this project
1920Year Built
4Stories
C3Building Class
R6BZoning
3,948 sfGross Floor Area
4Units
Rent Stabilized14 Open Violations ▸FDNY Report ↗
Four families · 2,000 sf lot · 1.97 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalGeneralOther
Permit Issued — active, not yet Signed-off
Floor 4Under Construction1 filing · 5 docs
Floor 3Under Construction1 filing · 5 docs
Floor 2Under Construction1 filing · 5 docs
Floor 1Under Construction1 filing · 5 docs
CellarUnder Construction1 filing · 5 docs
Filed — no permit issued20p · 1 filing · 11 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MINERVA309/16/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MANN ARCHITECTURE DESIGN, PLLC103/27/2026
FREDERICK OTERO R.A.101/29/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ARKENSTONE BUILDERS INCGeneral Contractor109/16/2026
Building Lifecycle
All (78)Filed (2)Permit Issued (1)Violation (23)Objection (40)Special Inspection (12)
09/15/2026
Permit issued — General Construction
B01455129-I1-GC
05/07/2026
Objection resolved — Addressed
04/20/2026
Objection resolved — Resolved
04/16/2026
Objection resolved — Addressed
04/14/2026
Objection resolved — Addressed
03/31/2026
Objection raised — Inspections
03/31/2026
Objection raised — Scope
03/31/2026
Objection raised — Admin
03/31/2026
Objection resolved — Resolved
03/31/2026
Objection raised — Admin
03/31/2026
Objection resolved — Resolved
03/27/2026
Filed — Alteration CO
plumbing work including domestic, sanitary & gas service for proposed alteration of existing 4 story + cellar residential building.
B01343848-S1
03/27/2026
Objection resolved — Addressed
03/27/2026
Objection resolved — Addressed
03/27/2026
Objection resolved — Addressed
03/27/2026
Objection resolved — Addressed
02/24/2026
Objection resolved — Addressed
02/24/2026
Objection resolved — Addressed
02/24/2026
Objection resolved — Addressed
02/24/2026
Objection resolved — Addressed
02/24/2026
Objection resolved — Addressed
02/24/2026
Objection resolved — Addressed
02/20/2026
Objection raised — Fire_Protection
02/20/2026
Objection raised — Fire_Protection
02/20/2026
Objection raised — Structural
02/20/2026
Objection raised — Fire_Protection
02/20/2026
Objection raised — Fire_Protection
02/20/2026
Objection raised — Other
02/20/2026
Objection raised — Accessibility
02/20/2026
Objection raised — Scope
02/04/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/02/2026
Objection raised — Zoning
02/02/2026
Objection raised — Zoning
02/02/2026
Objection raised — Scope
02/02/2026
Objection raised — Zoning
02/02/2026
Objection raised — Zoning
02/02/2026
Objection raised — Zoning
02/02/2026
Objection raised — Zoning
02/02/2026
Objection raised — Structural
02/02/2026
Objection raised — Structural
01/29/2026
Filed — Alteration CO
plumbing work including domestic, sanitary & gas service for proposed alteration of existing 4 story + cellar residential building.
B01343848-I1
01/26/2026
Special inspection requirement — Fenestration air leakage
01/26/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
01/26/2026
Special inspection requirement — Air barrier - visual inspection
01/26/2026
Special inspection requirement — Insulation placement and R values
01/26/2026
Special inspection requirement — Maintenance information
01/26/2026
Special inspection requirement — Vestibules
01/26/2026
Special inspection requirement — Fenestration areas
01/08/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
01/08/2026
Special inspection requirement — Sprayed fire-resistant materials
01/08/2026
Special inspection requirement — Energy Code Compliance Inspections
01/08/2026
Special inspection requirement — Fire-Resistance Rated Construction
01/08/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
06/09/2025
Violation issued (HPD, closed)
A
11/27/2024
Violation issued (HPD, closed)
I
04/09/2024
Violation issued (HPD, closed)
A
11/20/2023
Violation issued (HPD, closed)
I
03/22/2023
Violation issued (HPD, closed)
A
Latest 60 of 78 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedARKENSTONE BUILDERS INC09/15/2026
1 project · most recent 03/27/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
03/27/2026——Gas, Storm, Water/Sanitary
1 project · most recent 12/19/2025
General Wiring
FiledStatusContractorScope
12/19/2025Permit IssuedSAFEWAY CONSTRUCTION, INCGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 12
DateRequirementInspectorRole
01/26/2026Fenestration air leakage—energy_progress
01/26/2026Fenestration and door U-factor and product ratings—energy_progress
01/26/2026Air barrier - visual inspection—energy_progress
01/26/2026Insulation placement and R values—energy_progress
01/26/2026Maintenance information—energy_progress
01/26/2026Vestibules—energy_progress
01/26/2026Fenestration areas—energy_progress
01/08/2026Fire-Resistant Penetrations and Joints—special
01/08/2026Sprayed fire-resistant materials—special
01/08/2026Energy Code Compliance Inspections—progress
01/08/2026Fire-Resistance Rated Construction—progress
01/08/2026Structural Stability – Alterations of existing buildings—special
▾Documents — 13 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/15/2026B01343848-S1Request digital key ↗
08/14/2026B01343848-I1Request digital key ↗
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B01343848-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/14/2026B01343848-I1Open ↗
▸Seals & Professional Certifications3
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/18/2026B01343848-I1Open ↗
08/18/2026B01343848-S2Open ↗
08/18/2026B01343848-S1Open ↗
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/14/2026B01343848-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/18/2026B01343848-S2Open ↗
▸Other Documents4
▸DOB NOWPlot Diagram1
08/14/2026B01343848-I1Open ↗
▸DOB NOWProperty Ownership Certification1
08/14/2026B01343848-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B01343848-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/14/2026B01343848-I1Open ↗