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Three families
421 12 STREET
BROOKLYN · Park Slope · BIN 3026307
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1883Year Built
3Stories
C0Building Class
R6BZoning
3,072 sfGross Floor Area
3Units
1 Open Violation ▸FDNY Report ↗
Three families · 2,000 sf lot · 1.54 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 (9)Violation (9)
04/30/2026
Violation issued (HPD, open)
A
11/19/2025
Violation issued (HPD, closed)
I
06/05/2025
Violation issued (HPD, closed)
A
04/03/2024
Violation issued (HPD, closed)
A
02/18/2022
Violation issued (HPD, closed)
A
04/05/2021
Violation issued (HPD, closed)
A
10/12/2018
Violation issued (HPD, closed)
I
02/05/2015
Violation issued (HPD, closed)
I
08/15/2005
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
BISPLRE-ISSUEDBEST PBG HTG & COOL INC11/05/2008
BISOTISSUEDCLINTON HILL DESIGN BUILD09/03/2008
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 17 on file (BIS + DOB NOW)
▸Applications & Permits4
▸BISWORK PERMIT APPLICATION2
11/05/2008310176635Open ↗
09/03/2008310176635Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION2
09/07/2012310176635Open ↗
08/19/2008310176635Open ↗
▸Seals & Professional Certifications7
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION5
09/03/2008310176635Open ↗
09/03/2008310176635Open ↗
09/03/2008310176635Open ↗
Showing 3 of 5 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
08/19/2008310176635Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
08/19/2008310176635Open ↗
▸Trade Schedules & Equipment2
▸BISSELF-CERT PLUMBING NOTICE1
11/26/2008310176635Open ↗
▸BISSCHEDULE B - PLUMBING1
08/19/2008310176635Open ↗
▸Environmental & Asbestos1
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
08/19/2008310176635Open ↗
▸Approvals, Objections & Sign-offs1
▸BISADMINISTRATIVE OBJECTIONS1
08/19/2008310176635Open ↗
▸Cost, Insurance & Ownership1
▸BISCOST AFFIDAVIT1
08/19/2008310176635Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
08/19/2008310176635Open ↗