← Back
Two family frame
300 EAST 4 STREET
BROOKLYN · Kensington · BIN 3124608
💬 Discuss this project
1910Year Built
2.75Stories
B2Building Class
R5Zoning
2,090 sfGross Floor Area
2Units
Rent Stabilized0 Open ViolationsFDNY Report ↗
Two family frame · 2,817 sf lot · 0.74 FAR built · Flood zone X
Locations of Work
ArchitectureElectrical
Roof1p · 1 filing · 13 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/20/2024$1.9M—Private party → Private party$885/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
GREEN RIVER ENVIRONMENTAL ENGINEERI201/16/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
NY State Solar LLC403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
NYSS LLCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
GREEN RIVER ENVIRONMENTAL7841201/16/2025
Building Lifecycle
All (23)Filed (2)Permit Issued (1)Signed Off (1)Violation (9)Special Inspection (10)
11/24/2025
Violation issued (HPD, closed)
I
07/23/2025
Signed off — Alteration
INSTALLATION OF PHOTOVOLTAIC SOLAR ARRAY ON EXISTING ROOF SYSTEM AS PER PLANS
B01052508-I1
01/17/2025
Special inspection requirement — Air barrier - visual inspection
ROBERT MASONE
01/17/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
ROBERT MASONE
01/17/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
ROBERT MASONE
01/17/2025
Special inspection requirement — Final
ROBERT MASONE
01/17/2025
Special inspection requirement — Energy Code Compliance Inspections
ROBERT MASONE
01/16/2025
Filed — Alteration
INSTALLATION OF PHOTOVOLTAIC SOLAR ARRAY ON EXISTING ROOF SYSTEM AS PER PLANS
B01052508-P1
01/14/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
ROBERT MASONE
01/14/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
ROBERT MASONE
01/14/2025
Special inspection requirement — Energy Code Compliance Inspections
ROBERT MASONE
01/14/2025
Special inspection requirement — Final
ROBERT MASONE
01/14/2025
Special inspection requirement — Air barrier - visual inspection
ROBERT MASONE
12/04/2024
Violation issued (HPD, closed)
I
05/23/2024
Permit issued — Solar
B01052508-I1-SL
05/17/2024
Filed — Alteration
INSTALLATION OF PHOTOVOLTAIC SOLAR ARRAY ON EXISTING ROOF SYSTEM AS PER PLANS
B01052508-I1
06/12/2023
Violation issued (HPD, closed)
I
06/06/2023
Violation issued (HPD, closed)
C
06/06/2023
Violation issued (HPD, closed)
A
06/06/2023
Violation issued (HPD, closed)
A
06/06/2023
Violation issued (HPD, closed)
C
06/06/2023
Violation issued (HPD, closed)
C
06/06/2023
Violation issued (HPD, closed)
A
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offNYSS LLC05/23/2024
2 projects · most recent 04/16/2026
General Wiring
FiledStatusContractorScope
04/16/2026Permit IssuedVILLAGE ELECTL CONTRS INCGeneral Wiring
05/16/2024CompleteNY SOLAR ELECTRICAL LLC—
▾Special Inspection Requirements (DOB NOW) — 10
DateRequirementInspectorRole
01/17/2025Air barrier - visual inspectionROBERT MASONEenergy_progress
01/17/2025Fire-Resistant Penetrations and JointsROBERT MASONEspecial
01/17/2025Structural Stability – Alterations of existing buildingsROBERT MASONEspecial
01/17/2025FinalROBERT MASONEprogress
01/17/2025Energy Code Compliance InspectionsROBERT MASONEprogress
01/14/2025Fire-Resistant Penetrations and JointsROBERT MASONEspecial
01/14/2025Structural Stability – Alterations of existing buildingsROBERT MASONEspecial
01/14/2025Energy Code Compliance InspectionsROBERT MASONEprogress
01/14/2025FinalROBERT MASONEprogress
01/14/2025Air barrier - visual inspectionROBERT MASONEenergy_progress
▾Documents — 13 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/25/2026B01052508-I1Request digital key ↗
08/25/2026B01052508-P1Request digital key ↗
▸Seals & Professional Certifications8
▸DOB NOWProgress Inspector Seal & Signature4
09/01/2026B01052508-I1Open ↗
09/01/2026B01052508-I1Open ↗
08/24/2026B01052508-P1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/25/2026B01052508-I1Open ↗
08/13/2026B01052508-P1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
09/01/2026B01052508-I1Open ↗
08/24/2026B01052508-P1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/25/2026B01052508-I1Open ↗
08/13/2026B01052508-P1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01052508-I1Open ↗