A modest record — below the level that usually signals systemic problems. More recorded distress than 82% of 1-5-unit residential buildings citywide. The citywide median for 1-5-unit residential buildings is 0 penalty
points per 10 units; this building carries 7.5. In ZIP 11237, 39% of residential buildings hold an A and
15% grade D or F.
How grades work
this building
A
C
Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more
Open with the city right now
Open HPD violations
4 total — 4 class C (immediately hazardous), 0 class B, 0 class A. Oldest open since 1988-08-08.
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
12 service requests in the last three years. Most common: Illegal Parking (4) · Graffiti (3) · Non (1) · Encampment (1) · Snow or Ice (1) · Dirty Condition (1).
Filed construction activity
$1,069,000 in permitted construction work filed since
2016 (10 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)
No
Six or more residential units (4)
No
421-a / J-51 tax benefit on the current tax roll
1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. 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)
344 KNICKERBOCKER REALTY LLC
Head officer
NICOLA RIZZO
Managing agent
NICOLA RIZZO
Last registered
2025-10-03
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
$943,000
$424,350
2026
$885,000
$398,250
2027
$1,062,000
$477,900
The city's market estimate has risen
13% between tax years 2025 and 2027.
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Not in a hurricane evacuation zone.
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
Knickerbocker Av — M · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: none DeKalb Av — L · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none
Bus
Nearest boarding stop: De Kalb Av / Knickerbocker Av — B38 · 100 ft
Citi Bike
Stockholm St & Wilson Ave · 600 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.
12 311 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.
Ten-year activity
20100
2017
2018
12
2019
2020
2021
2022
2023
2024
2025
2026
ConstructionEnforcementHousing & tenantsHealth & systems
Show as table
Year
Construction
Enforcement
Housing & tenants
Health & systems
Total
2017
0
1
5
5
11
2018
1
1
3
3
8
2019
6
1
2
3
12
2020
5
0
0
3
8
2021
4
0
2
1
7
2022
3
2
3
2
10
2023
1
2
6
3
12
2024
0
0
6
3
9
2025
0
0
2
3
5
2026
0
0
6
1
7
This record is free. Keeping it free costs money. Servers, data pipelines, weekends. Pay what you want — a dollar helps.
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
2026-03-01
311: Illegal Parking — Blocked Bike Lane
2026-02-24
311: Snow or Ice — Sidewalk
2025-11-15
311: Illegal Parking — Blocked Bike Lane
2025-11-12
Rodent inspection: Passed
2025-11-12
Restaurant inspection: OOPS TEA — grade A
The full timeline
2026
2026-08-07311: Urinating in Public — N/A
2026-08-07311: Dirty Condition — Dog Waste
2026-05-26Rodent inspection: Passed
2026-05-17Bedbug filing: 0 infested units
2026-05-05HPD 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
2026-03-01311: Illegal Parking — Blocked Bike Lane
2026-02-24311: Snow or Ice — Sidewalk
2025
2025-11-15311: Illegal Parking — Blocked Bike Lane
2025-11-12Rodent inspection: Passed
2025-11-12Restaurant inspection: OOPS TEA — grade A
2025-06-10HPD 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
2024-04-10HPD 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
2023-12-26311: Graffiti — Graffiti
2023-11-11311: Illegal Parking — Blocked Bike Lane
2023-11-03311: Illegal Parking — Blocked Bike Lane
2023-03-23HPD 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
2023-01-12Restaurant inspection: OOPS TEA — grade A
2022
2022-11-14Rodent inspection: Passed
2022-11-14HPD 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
2022-08-25311: Real Time Enforcement — Work Without A Permit - Occupied Multiple Dwelling
2022-08-25DOB complaint, category ?
2022-05-12Rodent inspection: Passed
2022-03-07Job filed: INSTALLATION OF 6 NEW BOILERS AND 6 NEW HOT WATERS HEATERS.$42,000
2022-03-04Permit Boiler Equipment — Signed-off
2022-02-25HPD 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
2022-01-28Job filed: 6 NEW BOILERS AND 6 NEW HOT WATER HEATERS IN THE CELLAR$1,000
2022-01-13FDNY inspection (RISK)
2021
2021-11-22Job filed: INSTALLATION OF 2 BOILERS FOR THE FIRST FLOOR COMMERCIAL SPACES.$15,000
2021-11-08Permit Boiler Equipment — Signed-off
2021-10-12Permit PL — ISSUED
2021-05-22Rodent inspection: Passed
2021-05-03Bedbug filing: 0 infested units
2021-04-09HPD 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
2021-03-31Job filed: INSTALLATION OF 6 NEW BOILERS AND 6 NEW HOT WATERS HEATERS.$42,000
2020
2020-10-26Permit PL — ISSUED
2020-10-09Permit Construction Fence — Signed-off
2020-09-23Rodent inspection: Passed
2020-08-11Permit Construction Fence — Signed-off
2020-08-06Boiler inspection
2020-06-30Permit EW — ISSUED
2020-03-11Job filed: 8'-0" HIGH WOOD CONSTRUCTION FENCE.$5,000
2020-01-08Rodent inspection: Passed
2019
2019-11-07Rodent inspection: Failed for Other Reason
2019-09-24DOB complaint, category ?
2019-08-21Permit PL — ISSUED
2019-08-01Permit EW — ISSUED
2019-07-30Permit Sidewalk Shed — Signed-off
2019-07-29Job filed: INSTALLATION OF HEAVYDUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. SIDEWALK SHED SHALL COMPLY WITH C$6,000
2019-06-11Boiler inspection
2019-05-23Rodent inspection: Passed
2019-05-23311: Graffiti — Graffiti
2019-05-20311: Curb Condition — Broken Curb
2019-04-15Job filed: HERWITH FILING FOR INTERIOR RENOVATION AS INDICATED ON PLANS. NO CHANGE TO USE EGRESS OR OCCUPANCY.$67,000
2019-01-04Job filed: HEREWITH FILE ALT-1 TO CHANGE EGRESS AND OBTAIN A NEW CERTIFICATE OF OCCUPANCY$441,000
2018
2018-12-18311: Graffiti — Graffiti
2018-11-16Rodent inspection: Passed
2018-10-18HPD 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
2018-08-12311: Graffiti — Graffiti
2018-06-18Boiler inspection
2018-05-02Rodent inspection: Passed
2018-04-06DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT
2018-03-29Job filed: INTERIOR RENOVATION OF A THREE STORIES PLUS CELLAR WALK-UP BUILDING AS PER PLANS. NO CHANGE IN USE, BULK OR EGRESS.$408,000
2017
2017-12-18Eviction executed (3RD FL LEFT)
2017-12-18Eviction executed (3RD FL RIGHT)
2017-11-29Rodent inspection: Passed
2017-11-17Eviction executed (2ND FL RIGHT)
2017-11-10Boiler inspection
2017-10-19Rodent inspection: Passed
2017-09-05Rodent inspection: Failed for Rat Activity
2017-07-24311: Graffiti — Graffiti
2017-07-19Eviction executed (2ND FLOOR LEFT)
2017-05-22FDNY inspection (RISK)
2017-04-28Rodent inspection: Passed
2016
2016-09-07Deed — from RIZZO, MARIA; RIZZO, ANTHONY to 344 KNICKERBOCKER REALTY LLC
2016-08-01Deed transfer (nominal price)
2016-02-02Rodent inspection: Passed
2016-01-28311: ELECTRIC — NO LIGHTING
2016-01-28311: DOOR/WINDOW — WINDOW FRAME
2016-01-28311: PLUMBING — BASIN/SINK
2016-01-28Tenant complaint: ELECTRIC — NO LIGHTING
2010-03-29Rodent inspection: Failed for Rat Activity
2007
2007-01-26Tenant complaint: HEATING — HEAT RELATED
2007-01-26Tenant complaint: ELECTRIC — ELECTRIC-SUPPLY
2005
2005-05-02Permit EW — ISSUED
2005-04-26Job filed: Upgrade existing kitchen fire suppression system, as shown on plan. No change in use, occupancy, or egress.$3,000
2005-04-26Job filed: Upgrade existing kitchen fire suppression system, as shown on plan. No change in use, occupancy, or egress.$3,000
2004
2004-01-07DOB complaint, category ?
1994
1994-07-25DOB violation LL6291:
1991
1991-10-31Permit EW — ISSUED
1990
1990-05-17DOB complaint, category ?
1988
1988-12-06HPD class C: SECTION 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 3 STY SOUTH APT 3L EAST ROOM
1988-12-06HPD class C: SECTION 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 3 STY APT 3L 3 ROOM FROM EAST
1988-08-08HPD class C: SECTION 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 3 STY EAST APT 3L 1 & 2 ROOM
1988-08-08HPD class C: SECTION 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 3 STY EAST APT 3L 1 ROOM FROM
1986
1986-02-06Mortgage satisfied — from RIZZO, ANTONINO; RIZZO, MARIA to NACHBAR, SILVIA
1975
1975-10-22Deed — from NACHBAR SYLVIA to RIZZO ANTHONY; RIZZO MARIA
1975-10-22Mortgage — from RIZZO MARIA; RIZZO ANTHONY to NACHBAR SYLVIA