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Three families
523 LEONARD STREET
BROOKLYN · BIN 3066745
💬 Discuss this project
1910Year Built
3Stories
C0Building Class
R6BZoning
2,550 sfGross Floor Area
3Units
Rent Stabilized1 Open Violation ▸FDNY Report ↗
Three families · 2,500 sf lot · 1.02 FAR built · Flood zone X500
Locations of Work
ArchitectureElectrical
Roof2p · 1 filing · 7 docs
Floor 33p · 1 filing · 7 docs
Floor 2
Floor 1
Cellar2p · 1 filing · 7 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
LEA ARCHITECTURE PLLC104/12/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
J. CALLAHAN CONSULTING, INC.103/21/2026
Building Lifecycle
All (10)Filed (1)Violation (9)
11/20/2025
Violation issued (HPD, closed)
I
04/10/2024
Violation issued (HPD, closed)
A
03/23/2023
Violation issued (HPD, closed)
A
11/10/2022
Violation issued (HPD, closed)
I
04/12/2022
Filed — Alteration CO
B00677250-I1
02/25/2022
Violation issued (HPD, closed)
A
02/25/2022
Violation issued (HPD, closed)
I
04/09/2021
Violation issued (HPD, closed)
A
11/27/2017
Violation issued (HPD, closed)
I
10/04/1999
Violation issued (HPD, open)
B
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 18 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/30/2026B00677250-I1Request digital key ↗
▸Applications & Permits3
▸BISPLAN / WORK APPROVAL APPLICATION2
11/06/2020322004576Open ↗
02/26/2020322004576Open ↗
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION1
10/05/2020322004576Open ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B00677250-I1Open ↗
▸Seals & Professional Certifications4
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3
02/26/2020322004576Open ↗
02/26/2020322004576Open ↗
02/26/2020322004576Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/30/2026B00677250-I1Open ↗
▸Safety & Tenant Protection2
▸BISTenant Protection Plan and Notes1
02/26/2020322004576Open ↗
▸DOB NOWStreet Tree Checklist1
08/30/2026B00677250-I1Open ↗
▸Energy Compliance1
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
02/26/2020322004576Open ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: SOIL INSPECTION1
02/26/2020322004576Open ↗
▸Cost, Insurance & Ownership1
▸BISCOST AFFIDAVIT1
02/26/2020322004576Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
02/26/2020322004576Open ↗
▸Other Documents3
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B00677250-I1Open ↗
▸DOB NOWPlot Diagram1
08/13/2026B00677250-I1Open ↗
▸DOB NOWProperty Ownership Certification1
08/30/2026B00677250-I1Open ↗