The city's published records show little recorded distress here in the last three years. Less recorded distress than 82% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty
points per 10 units; this building carries 2.5. In ZIP 11101, 70% of residential buildings hold an A and
5% grade D or F.
How grades work
this building
A
B
C
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
Open with the city right now
Open HPD violations
1 total — 0 class C (immediately hazardous), 0 class B, 1 class A. Oldest open since 2026-05-06.
status snapshot refreshed weekly from HPD records
Patterns
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
What 311 hears from this address
11 service requests in the last three years. Most common: Illegal Parking (2) · Blocked Driveway (2) · Noise (2) · Dead Animal (1) · Water Quality (1) · Rodent (1).
Filed construction activity
$720,000 in permitted construction work filed since
2016 (4 filings with a declared cost) — a rough measure of how actively
the owner maintains the building. Permit costs cover filed construction work only — they do not
capture routine maintenance or repairs done without a permit.
Rent-stabilization signals
Yes
Built before 1974 (1931)
Yes
Six or more residential units (6)
No
421-a / J-51 tax benefit on the current tax roll
2 of 3 signals present. This is the classic profile of a rent-stabilized building (pre-1974, 6+ units) — many units in such buildings remain stabilized. The definitive answer for any unit:
request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
Registered with HPD — the names behind the building
Registered owner(s)
51st Avenue Owner LLC
Head officer
Alex Kaskel
Managing agent
Apex Management Group
Last registered
2025-09-11
as filed by the owner in the building's HPD registration
What the city thinks it's worth
Tax year
City market value
Assessed value
2025
$482,000
$216,900
2026
$578,000
$260,100
2027
$694,000
$312,300
The city's market estimate has risen
44% between tax years 2025 and 2027.
Building systems
Heating fuel
NO2FUEL
Flood exposure
In the FEMA 1%-annual-chance floodplain (2015 preliminary flood
maps) — lenders typically require flood insurance here.
Hurricane evacuation zone 2 of 6 — zone 1 evacuates first.
Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.
No street-flooding or sewer-backup complaints on record at this address.
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps
(cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
Getting around
Subway
Vernon Blvd-Jackson Av — 7 · 500 ft straight-line (about a 2-minute walk) · station accessibility: none
Bus
Nearest boarding stop: Borden Av / 5 St — Q101 Q103 · 300 ft
Citi Bike
5 St & 51 Ave · 200 ft · station location as of 2026-09-23; live availability
Distances are straight-line, not walking routes. Transit locations from the MTA and
Citi Bike, bike facilities from NYC DOT, school zones from the DOE's 2024–25 maps.
11 311 service requests from this address in the last three years.
311 will ask for the address, the apartment if the problem is inside, and what's wrong.
Contact details are optional for most complaints; food-poisoning reports can be anonymous. Complaints
appear in the city's public 311 data, usually within a day or two, and then in the Live from 311 box
on this page.
Most recent mortgage recorded against this lot: $525,000 on
2021-11-24 (lender: Sterling National Bank). Face amount at recording — it may have since been paid
down, refinanced or satisfied. View the recorded
document.
Date
Record
Amount
Per res. unit
2021-11-24
Agreement $2,475,000 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK
$2,475,000
2021-11-24
AL&R $2,475,000 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK
$2,475,000
2021-11-24
Mortgage $525,000 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK
$525,000
2020-12-28
AL&R $701,411 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK
$701,411
2020-12-28
Mortgage $195,136 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK
$195,136
2020-12-28
Deed $2,130,000 — from VDDM LLC to 51ST AVENUE OWNER LLC
$2,130,000
2020-12-28
Mortgage $701,411 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK
$701,411
2020-12-28
AL&R $1,053,453 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK
$1,053,453
2020-12-28
AL&R $195,136 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK
$195,136
2020-12-28
Mortgage $1,053,453 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK
$1,053,453
2020-12-18
Sold for $2,130,000
$2,130,000
$355,000
Ten-year activity
20100
2017
2018
2019
20
2020
2021
2022
2023
2024
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
Year
Construction
Enforcement
Housing & tenants
Ownership & money
Health & systems
Total
2017
0
0
2
0
0
2
2018
0
0
1
2
2
5
2019
0
0
1
0
0
1
2020
5
3
4
8
0
20
2021
3
1
4
4
0
12
2022
0
0
3
0
0
3
2023
0
4
7
0
0
11
2024
0
0
5
0
0
5
2025
0
0
6
0
1
7
2026
0
0
2
0
0
2
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HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2025-12-15
311: Snow or Ice — Sidewalk
The full timeline
2026
2026-10-02311: Blocked Driveway — No Access
2026-05-06HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2023-03-28HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2023-03-16311: Dirty Condition — Trash
2022
2022-06-28Bedbug filing: 0 infested units
2022-03-04Bedbug filing: 0 infested units
2022-03-03HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2021
2021-11-24TL&R — from STERLING NATIONAL BANK to 51ST AVENUE OWNER LLC
2021-11-24Agreement $2,475,000 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK$2,475,000
2021-11-24AL&R $2,475,000 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK$2,475,000
2021-11-24Mortgage $525,000 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK$525,000
2021-08-24311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2021-07-26Bedbug filing: 0 infested units
2021-06-23311: General Construction/Plumbing — Cons - Contrary/Beyond Approved Plans/Permits
2021-06-23DOB complaint, category ?
2021-04-14HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2021-03-29Permit Mechanical Systems — Signed-off
2021-02-04Permit EW — ISSUED
2021-01-05Permit Plumbing — Signed-off
2020
2020-12-31311: General Construction/Plumbing — Working Contrary To Stop Work Order
2020-12-31311: General Construction/Plumbing — Safety Netting/Guard Rails - Damaged/Inadequate/None (6 Stories/75 Feet Or Less)
2020-12-31DOB complaint, category ?
2020-12-31DOB complaint, category ?
2020-12-31ECB CLASS - 2 violation: HOUSEKEEPING NOTE:AT TIME OF MY INSPECTION OBSERVED ACTIVE JOBSITE INADEQUATE HOUSEKEEPING HAS BEEN FOUND NOT MAINTAIN AS REQUIRED
2020-12-28AL&R $701,411 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK$701,411
2020-12-28Mortgage $195,136 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK$195,136
2020-12-28Deed $2,130,000 — from VDDM LLC to 51ST AVENUE OWNER LLC$2,130,000
2020-12-28Mortgage $701,411 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK$701,411
2020-12-28AL&R $1,053,453 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK$1,053,453
2020-12-28AL&R $195,136 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK$195,136
2020-12-28Mortgage $1,053,453 — from 51ST AVENUE OWNER LLC to STERLING NATIONAL BANK$1,053,453
2020-12-23Permit EW — ISSUED
2020-12-22Job filed: File PL work in conjunction with OT job# .....at Cellar , 001 to 003 Floor , no change in use , egress or occupancy$92,000
2020-12-22Job filed: RENOVATION OF UNITS 1L,1R, 2L,2R, 3L,3R & COMMON HALLWAY FROM CELLAR TO ROOF , WORK TO INCLUDE REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEAR$288,000
2020-12-22Job filed: RENOVATION OF UNITS 1L,1R, 2L,2R, 3L,3R & COMMON HALLWAY FROM CELLAR TO ROOF , WORK TO INCLUDE REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEAR$288,000
2020-12-22Job filed: File MECH work in conjunction with OT job # at cellar , 001 to 003 and roof , no change in use , egress or occupancy$52,000
2020-12-18Sold for $2,130,000$2,130,000
2020-12-18311: Snow — E9 Snow / Icy Sidewalk
2020-07-31Bedbug filing: 0 infested units
2019
2019-11-01HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2018-10-23HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2018-07-24Deed — from ESTATE OF ANNE DIMIZIO; DANIEL MAHONEY, CO-EXECUTOR; DONNA A. MAHONEY, CO-EXECUTOR to VDDM LLC
2018-05-22Boiler inspection
2018-04-30Deed transfer (nominal price)
2017
2017-12-01HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2017-09-06311: Noise - Vehicle — Engine Idling
2015
2015-12-01311: Water System — Hydrant Running (WC3)
2015-10-27FDNY inspection (STANDARD)
2015-09-18FDNY inspection (RISK)
2011
2011-07-07311: New Tree Request — For One Address
2008
2008-05-12DOB complaint, category ?
2006
2006-11-17Permit EW — ISSUED
2006-11-17Permit EW — ISSUED
2006-11-14Job filed: REPLACE BOILER AND OIL BURNER. INSTALL A PEERLESS ECT6 WITH A BECKETT CF375. NO CHANGE IN EGRESS USE OR OCCUPANCY IS INVOLVED UNDER THIS APPLICATION.
2006-01-06DOB violation LL6291:
1999
1999-03-16DOB violation LL6291:
1987
1987-03-04HPD class C: D26-17.10 ADM CODE PROVIDE READY ACCESS TO BUILDING'S HEATING SYSTEM CELLAR DOOR LOCKED.
1987-03-04HPD class C: D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO H
1987-03-04HPD class A: § 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM
1986
1986-05-29HPD class A: D26-20.01 ADM CODE PROVIDE A PEEP HOLE IN ENTRANCE DOOR OF THE DWELLING UNIT SO LOCATED SO AS TO PERMIT A PERSON INSIDE THE DWELLING TO VIEW
1976
1976-01-28Deed — from KELLY GLORIA; IADEVIA MARIA; MAGINO ANNA; HERZOG PHYLLIS; DIMIZIO VINCENT to ANNE DI MIZIO; VINCENT DI MIZIO
1975
1975-11-10Deed — from DI MIZIO ANNA(EXR OF) to PHYLLIS HERZOG; MARIE IADEVIA; GLORIA KELLY; ANNA MAGINO; VINCENT DI MIZIO