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Three families
20 UNDERHILL AVENUE
BROOKLYN · Prospect Heights · BIN 3389852
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2005Year Built
3Stories
C0Building Class
R6BZoning
—Gross Floor Area
3Units
0 Open ViolationsFDNY Report ↗
Three families · Owner of record: YSR UNDERHILL MANAGEMENT LLC · 2 FAR built · Flood zone X
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
AUTUMN EQUITIES503/21/2026
YSR UNDERHILL MANAGEMENT LLC203/22/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MORRIS HELLERElectrical103/21/2026
Building Lifecycle
All (4)Violation (4)
03/09/2022
Violation issued (HPD, closed)
A
04/19/2021
Violation issued (HPD, closed)
A
10/25/2018
Violation issued (HPD, closed)
I
03/03/2015
Violation issued (HPD, closed)
I
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
BISOTISSUEDRAMON BUILDING & CONSTRUCTION CO11/21/2007
BISEQISSUEDGDY PROPERTIES INC03/09/2005
BIS—ISSUEDGDY PROPERTIES INC03/09/2005
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 9 on file (BIS + DOB NOW)
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
11/20/2007310058754Open ↗
▸BISWORK PERMIT APPLICATION1
11/21/2007310058754Open ↗
▸Seals & Professional Certifications3
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
11/20/2007310058754Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
11/20/2007310058754Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
11/20/2007310058754Open ↗
▸Trade Schedules & Equipment1
▸BISSCHEDULE B - PLUMBING1
11/20/2007310058754Open ↗
▸Environmental & Asbestos1
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
11/20/2007310058754Open ↗
▸Approvals, Objections & Sign-offs1
▸BISADMINISTRATIVE OBJECTIONS1
11/20/2007310058754Open ↗
▸Cost, Insurance & Ownership1
▸BISCOST AFFIDAVIT1
11/21/2007310058754Open ↗