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Two family converted from one family
3721 NAUTILUS AVENUE
BROOKLYN · Coney Island-Sea Gate · BIN 3188669
💬 Discuss this project
1901Year Built
2Stories
B3Building Class
R3-1Zoning
1,744 sfGross Floor Area
2Units
35 Open Violations ▸FDNY Report ↗
Two family converted from one family · 3,000 sf lot · 0.58 FAR built · Flood zone X500
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
HPD507/08/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ENTHINK ENGINEERS LLC207/04/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ABC PERMIT EXPEDITING403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MARK CONTRACTING NY INCGeneral Contractor307/08/2026
Building Lifecycle
All (43)Filed (2)Permit Issued (2)Signed Off (2)Violation (36)Special Inspection (1)
10/18/2023
Signed off — Alteration
SAFELY REMOVE COLLAPSING FRONT OPEN PORCH AND TREAT EFFECTED AREA. NOCHANGES TO USES, EGRESS OR OCCUPANCY.
B00758944-I1
09/06/2023
Signed off — Alteration
PLYWOOD CONSTRUCTION FENCE DURING CONSTRUCTION WORK / NO CHANGES TO USES, EGRESS OR OCCUPANCY.
B00760311-I1
07/18/2022
Permit issued — General Construction
B00758944-I1-GC
07/07/2022
Permit issued — Construction Fence
B00760311-I1-FN
07/04/2022
Filed — Alteration
SAFELY REMOVE COLLAPSING FRONT OPEN PORCH AND TREAT EFFECTED AREA. NOCHANGES TO USES, EGRESS OR OCCUPANCY.
B00758944-I1
07/04/2022
Filed — Alteration
PLYWOOD CONSTRUCTION FENCE DURING CONSTRUCTION WORK / NO CHANGES TO USES, EGRESS OR OCCUPANCY.
B00760311-I1
06/16/2022
Special inspection requirement — Final
Sunil Saigal
04/27/2022
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/03/2022
Violation issued (ECB, open)
Construction
02/02/2022
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
12/22/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/12/2021
Violation issued (ECB, open)
Construction
10/13/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/07/2021
Violation issued (ECB, open)
Construction
07/13/2021
Violation issued (DOB, closed)
V%-DOB VIOLATION
07/13/2021
Violation issued (ECB, open)
Construction
07/07/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
04/14/2021
Violation issued (ECB, open)
Construction
02/17/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/25/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/16/2020
Violation issued (ECB, open)
Construction
09/04/2020
Violation issued (ECB, open)
Construction
09/02/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/04/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/06/2020
Violation issued (ECB, open)
Construction
01/09/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
12/10/2019
Violation issued (ECB, open)
Construction
11/13/2019
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/07/2019
Violation issued (ECB, open)
Construction
08/22/2019
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/15/2019
Violation issued (ECB, open)
Construction
05/29/2019
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
05/21/2019
Violation issued (ECB, open)
Construction
04/03/2019
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/06/2019
Violation issued (ECB, open)
Construction
02/06/2019
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
01/09/2019
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
01/05/2019
Violation issued (ECB, open)
Construction
11/14/2018
Violation issued (ECB, open)
Construction
10/31/2018
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/25/2018
Violation issued (ECB, open)
Construction
08/04/2018
Violation issued (ECB, open)
Construction
01/23/2015
Violation issued (HPD, open)
C
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offMARK CONTRACTING NY INC07/18/2022
DOB NOWConstruction FenceSigned-offMARK CONTRACTING NY INC07/07/2022
Nothing on file for this building.
▾Special Inspection Requirements (DOB NOW) — 1
DateRequirementInspectorRole
06/16/2022FinalSunil Saigalprogress
▾Documents — 6 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/29/2026B00760311-I1Request digital key ↗
08/29/2026B00758944-I1Request digital key ↗
▸Seals & Professional Certifications3
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/29/2026B00760311-I1Open ↗
08/13/2026B00758944-I1Open ↗
▸DOB NOWProgress Inspector Seal & Signature1
10/01/2026B00758944-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1
08/13/2026B00758944-I1Open ↗