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Condo, residential unit in 2-10 unit building
327 20TH STREET
BROOKLYN · BIN 3017242
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2020Year Built
4Stories
R1Building Class
R6BZoning
6,244 sfGross Floor Area
4Units
Rent Stabilized0 Open ViolationsFDNY Report ↗
Condo, residential unit in 2-10 unit building · Owner of record: 327-329 DEVELOPMENT LLC · 3,000 sf lot · 2.08 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
Nothing on file for this building.
Building Lifecycle
All (6)Filed (1)Permit Issued (2)Signed Off (1)Violation (1)Special Inspection (1)
09/01/2020
Signed off — Alteration
Proposed construction fence, no change to use, egress or occupancy under this application
B00010570-I1
04/14/2018
Violation issued (ECB, closed)
Construction
04/09/2018
Permit issued — Construction Fence
B00010570-I1-FN
02/20/2018
Permit issued — Construction Fence
B00010570-I1-FN
01/18/2018
Filed — Alteration
Proposed construction fence, no change to use, egress or occupancy under this application
B00010570-I1
01/10/2018
Special inspection requirement — Final
SANTIAGO HELMAN
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
327-329 DEVELOPMENT907/08/2026
DESIGN N SAFETY103/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
H & O ENGINEERING, DPC101/18/2018
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
DESIGN N SAFETY INCGeneral Contractor307/08/2026
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FenceSigned-offDESIGN N SAFETY INC04/09/2018
DOB NOWConstruction FenceSigned-offDESIGN N SAFETY INC02/20/2018
BIS—ISSUEDDESIGN N SAFETY INC02/21/2018
▾Special Inspection Requirements (DOB NOW) — 1
DateRequirementInspectorRole
01/10/2018FinalSANTIAGO HELMANprogress
▾Documents — 18 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
09/03/2026B00010570-I1Request digital key ↗
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
11/21/2017321615463Open ↗
▸BISWORK PERMIT APPLICATION1
02/21/2018321615463Open ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature1
09/03/2026B00010570-I1Open ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/28/2026B00010570-I1Open ↗
▸Trade Schedules & Equipment4
▸BISGAS CUT-OFF1
02/21/2018321615463Open ↗
▸BISSEWER CONNECTION: DEP SD1 & SD21
02/21/2018321615463Open ↗
▸BISWATER CUT-OFF1
02/21/2018321615463Open ↗
▸BISELECTRIC CUT-OFF1
02/21/2018321615463Open ↗
▸Safety & Tenant Protection1
▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1
02/21/2018321615463Open ↗
▸Environmental & Asbestos2
▸BISRODENT CONTROL1
02/21/2018321615463Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
02/21/2018321615463Open ↗
▸Cost, Insurance & Ownership2
▸BISPROJECT-SPECIFIC GL INSURANCE1
02/21/2018321615463Open ↗
▸BISAcord 25 (Acord Certificate of Liability Insurance)1
02/21/2018321615463Open ↗
▸Filing & Intake Forms2
▸BISSRO INTAKE FORM(SRO1)1
02/21/2018321615463Open ↗
▸BISEFILING COVER SHEET1
11/21/2017321615463Open ↗
▸Other Documents2
▸BISBEST SQUAD - SUPPORTING DOCUMENTATION2
01/17/2018321615463Open ↗
01/17/2018321615463Open ↗