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One family attached or semi-detached
421 17 STREET
BROOKLYN · BIN 3016538
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1910Year Built
2Stories
A5Building Class
R5BZoning
972 sfGross Floor Area
1Units
1 Open Violation ▸FDNY Report ↗
One family attached or semi-detached · 1,150 sf lot · 0.85 FAR built · Flood zone X
Locations of Work
ArchitectureStructural
Roof9p · 2 filings · 20 docs
Floor 28p · 1 filing · 17 docs
Floor 18p · 1 filing · 17 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/07/2015$1.3M—Private party → Private party$1,312/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ZAIDI CHRISTO DESIGN205/07/2026
GILSANZ MURRAY STEFICEK LLP305/06/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
FOURTH STREET DESIGN BUILD603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MAVERICK ASSOCIATES CONSTGeneral Contractor807/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
GILSANZ MURRAY STEFICEK240305/06/2026
Building Lifecycle
All (49)Filed (5)Permit Issued (4)Violation (2)Objection (18)Special Inspection (20)
06/05/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
MAHFUZAR RAHMAN
06/05/2026
Special inspection requirement — Fenestration air leakage
MAHFUZAR RAHMAN
06/05/2026
Special inspection requirement — Interior lighting power
MAHFUZAR RAHMAN
06/05/2026
Special inspection requirement — Energy Code Compliance Inspections
MAHFUZAR RAHMAN
06/05/2026
Special inspection requirement — Final
ROBERT CHRISTO
05/28/2026
Objection resolved — Addressed
05/28/2026
Objection resolved — Addressed
05/26/2026
Objection raised — Cost
05/26/2026
Objection raised — Fire_Protection
05/26/2026
Special inspection requirement — Construction Utilizing CLT or SCL, Type IV
05/26/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
Philip Murray
05/26/2026
Special inspection requirement — Post-installed Anchors
Philip Murray
05/26/2026
Special inspection requirement — Final
Philip Murray
05/26/2026
Special inspection requirement — Structural Wood Frame
Philip Murray
05/07/2026
Filed — Alteration
INTERIOR RENOVATION. REMOVE AND CONSTRUCTION NON-BEARING OR NON-STRUCTURAL PARTITIONS. STRUCTURAL AND PLUMBING WORK ARE FILED SEPARATED. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00978140-P1
05/06/2026
Filed — Alteration
INSTALL NEW INTERIOR STAIR FROM 1ST FLOOR TO THE ROOF. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00978142-P2
05/04/2026
Special inspection requirement — Structural Wood Frame
Philip Murray
05/04/2026
Special inspection requirement — Final
Philip Murray
05/04/2026
Special inspection requirement — Construction Utilizing CLT or SCL, Type IV
05/04/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
Philip Murray
05/04/2026
Special inspection requirement — Post-installed Anchors
Philip Murray
05/04/2026
Special inspection requirement — Energy Code Compliance Inspections
MAHFUZAR RAHMAN
05/04/2026
Special inspection requirement — Final
ROBERT CHRISTO
05/04/2026
Special inspection requirement — Fenestration air leakage
MAHFUZAR RAHMAN
05/04/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
MAHFUZAR RAHMAN
05/04/2026
Special inspection requirement — Interior lighting power
MAHFUZAR RAHMAN
02/27/2025
Permit issued — General Construction
B00978140-I1-GC
02/26/2025
Permit issued — Structural
B00978142-I1-ST
08/02/2024
Filed — Alteration
INSTALL NEW INTERIOR STAIR FROM 1ST FLOOR TO THE ROOF. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00978142-P1
02/27/2024
Permit issued — General Construction
B00978140-I1-GC
02/23/2024
Permit issued — Structural
B00978142-I1-ST
01/26/2024
Objection resolved — Addressed
01/26/2024
Objection resolved — Addressed
01/26/2024
Objection resolved — Addressed
01/26/2024
Objection resolved — Addressed
01/26/2024
Objection resolved — Addressed
01/26/2024
Objection resolved — Addressed
01/23/2024
Objection raised — Scope
01/23/2024
Objection resolved — Addressed
01/19/2024
Objection raised — Other
01/19/2024
Objection raised — Other
01/19/2024
Objection raised — Other
01/19/2024
Objection raised — Structural
01/19/2024
Objection raised — Fire_Protection
01/19/2024
Objection raised — Other
01/17/2024
Filed — Alteration
INSTALL NEW INTERIOR STAIR FROM 1ST FLOOR TO THE ROOF. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00978142-I1
01/12/2024
Filed — Alteration
INTERIOR RENOVATION. REMOVE AND CONSTRUCTION NON-BEARING OR NON-STRUCTURAL PARTITIONS. STRUCTURAL AND PLUMBING WORK ARE FILED SEPARATED. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00978140-I1
07/03/2003
Violation issued (HPD, open)
C
03/26/2001
Violation issued (DOB, closed)
VW*-VIOLATION - WORK W/O PERMIT DISMISSED
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offMAVERICK ASSOCIATES CONST02/27/2025
DOB NOWStructuralPermit IssuedMAVERICK ASSOCIATES CONST02/26/2025
DOB NOWGeneral ConstructionSigned-offMAVERICK ASSOCIATES CONST02/27/2024
DOB NOWStructuralSigned-offMAVERICK ASSOCIATES CONST02/23/2024
1 project · most recent 01/05/2025
General Wiring
FiledStatusContractorScope
01/05/2025Permit IssuedAYYUB ELECTRIC CORPGeneral Wiring
1 project · most recent 05/06/2026
Wood
FiledStatusContractorScope
05/06/2026Permit IssuedMAVERICK ASSOCIATES CONSTWood
▾Special Inspection Requirements (DOB NOW) — 20
DateRequirementInspectorRole
06/05/2026Fenestration and door U-factor and product ratingsMAHFUZAR RAHMANenergy_progress
06/05/2026Fenestration air leakageMAHFUZAR RAHMANenergy_progress
06/05/2026Interior lighting powerMAHFUZAR RAHMANenergy_progress
06/05/2026Energy Code Compliance InspectionsMAHFUZAR RAHMANprogress
06/05/2026FinalROBERT CHRISTOprogress
05/26/2026Construction Utilizing CLT or SCL, Type IV—special
05/26/2026Structural Stability – Alterations of existing buildingsPhilip Murrayspecial
05/26/2026Post-installed AnchorsPhilip Murrayspecial
05/26/2026FinalPhilip Murrayprogress
05/26/2026Structural Wood FramePhilip Murrayprogress
05/04/2026Structural Wood FramePhilip Murrayprogress
05/04/2026FinalPhilip Murrayprogress
05/04/2026Construction Utilizing CLT or SCL, Type IV—special
05/04/2026Structural Stability – Alterations of existing buildingsPhilip Murrayspecial
05/04/2026Post-installed AnchorsPhilip Murrayspecial
05/04/2026Energy Code Compliance InspectionsMAHFUZAR RAHMANprogress
05/04/2026FinalROBERT CHRISTOprogress
05/04/2026Fenestration air leakageMAHFUZAR RAHMANenergy_progress
05/04/2026Fenestration and door U-factor and product ratingsMAHFUZAR RAHMANenergy_progress
05/04/2026Interior lighting powerMAHFUZAR RAHMANenergy_progress
▾Documents — 49 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/17/2026B00978142-P2Request digital key ↗
08/17/2026B00978142-P1Request digital key ↗
08/17/2026B00978140-I1Request digital key ↗
Showing 3 of 5 on file for this type
▸Applications & Permits4
▸BISPLAN / WORK APPROVAL APPLICATION4
06/01/2015321009564Open ↗
06/01/2015320757677Open ↗
10/16/2014321009564Open ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications21
▸DOB NOWProgress Inspector Seal & Signature10
08/31/2026B00978140-P1Open ↗
08/31/2026B00978140-P1Open ↗
08/31/2026B00978140-P1Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/17/2026B00978142-I1Open ↗
08/17/2026B00978142-P2Open ↗
08/17/2026B00978142-P1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
08/29/2026B00978142-P2Open ↗
08/29/2026B00978142-P2Open ↗
08/26/2026B00978142-I1Open ↗
Showing 3 of 4 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION2
10/16/2014321009564Open ↗
05/02/2013320757677Open ↗
▸Trade Schedules & Equipment2
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
10/16/2014321009564Open ↗
▸BISSCHEDULE B - PLUMBING1
05/02/2013320757677Open ↗
▸Safety & Tenant Protection1
▸BISSTREET TREE CHECKLIST1
10/16/2014321009564Open ↗
▸Environmental & Asbestos6
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/17/2026B00978142-P2Open ↗
08/17/2026B00978142-P1Open ↗
08/17/2026B00978140-I1Open ↗
Showing 3 of 5 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
05/02/2013320757677Open ↗
▸Energy Compliance2
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2
10/16/2014321009564Open ↗
05/02/2013320757677Open ↗
▸Approvals, Objections & Sign-offs3
▸BISADMINISTRATIVE OBJECTIONS2
10/16/2014321009564Open ↗
05/02/2013320757677Open ↗
▸BISSCHEDULE A - OCCUPANCY / USE1
10/16/2014321009564Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
10/16/2014321009564Open ↗
05/02/2013320757677Open ↗
▸Filing & Intake Forms2
▸BISEFILING COVER SHEET2
10/16/2014321009564Open ↗
05/02/2013320757677Open ↗
▸Other Documents1
▸BISPLOT DIAGRAM1
10/16/2014321009564Open ↗