A modest record — below the level that usually signals systemic problems. More recorded distress than 64% 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 30.8. In ZIP 11237, 39% of residential buildings hold an A and
15% 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
No current HPD flags in the latest weekly snapshot: no open violations, no
pending litigation, no active vacate orders, and not in the Alternative Enforcement Program.
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
17 service requests in the last three years. Most common: Dirty Condition (5) · Illegal Parking (4) · Missed Collection (2) · Rodent (1) · Non (1) · Building/Use (1).
Filed construction activity
No permitted work with a declared cost filed in the last decade. Permit
costs cover filed construction work only — they do not capture routine maintenance or repairs done
without a permit.
Rent-stabilization signals
No
Built before 1974 (1991)
Yes
Six or more residential units (6)
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)
AGNES YAN; BILLY YAN
Managing agent
4 SEASONS INTERNATIONAL MANAGEMENT INC
Last registered
2025-09-06
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
$1,194,000
$537,300
2026
$1,073,000
$482,850
2027
$1,288,000
$579,600
The city's market estimate has risen
8% between tax years 2025 and 2027.
Flood exposure
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
Central Av — M · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none
Bus
Nearest boarding stop: De Kalb Av / Knickerbocker Av — B38 · 150 ft
Citi Bike
Suydam St & Knickerbocker Ave · 500 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.
17 311 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: $120,000 on
2008-03-03 (lender: Flushing Savings Bank, FSB). Face amount at recording — it may have since been paid
down, refinanced or satisfied. View the recorded
document.
Date
Record
Amount
Per res. unit
2008-03-03
Mortgage $120,000 — from YAN, BILLY; YAN, AGNES to FLUSHING SAVINGS BANK, FSB
$120,000
2005-08-05
Deed $565,000 — from COLANERO, KENNETH; COLANERO, PATRICIA to YAN, BILLY; YAN, AGNES
$565,000
2005-08-05
AL&R $345,000 — from FLUSHING SAVINGS BANK, FSB to YAN, BILLY; YAN, AGNES
$345,000
2005-08-05
Mortgage $345,000 — from YAN, BILLY; YAN, AGNES to FLUSHING SAVINGS BANK, FSB
$345,000
2002-01-15
Mortgage $250,000 — from COLANERO, KENNETH; COLANERO, PATRICIA to JASIAK, STANLEY; JASIAK, LORETTA
$250,000
1990-09-11
Mortgage $165,000 — from SCARANTINO, FRANK; TRANCHINA, SALVATORE; SCARANTINO, LOU; TRANCHINA, ANTHONY to GREEN POINT SAVS BANK
$165,000
Ten-year activity
50250
2017
2018
2019
2020
44
2021
2022
2023
2024
2025
2026
EnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
Year
Enforcement
Housing & tenants
Ownership & money
Health & systems
Total
2017
0
1
0
2
3
2018
0
1
1
2
4
2019
0
5
0
2
7
2020
0
23
0
1
24
2021
0
42
0
2
44
2022
0
9
0
5
14
2023
0
2
0
4
6
2024
1
9
0
3
13
2025
0
3
0
3
6
2026
0
7
0
1
8
This record is free. Keeping it free costs money. Servers, data pipelines, weekends. Pay what you want — a dollar helps.
2025-05-23Rodent inspection: Failed for Rat Activity
2025-04-15Rodent inspection: Failed for Rat Activity
2024
2024-12-04Bedbug filing: 0 infested units
2024-12-02Rodent inspection: Passed
2024-11-21311: Illegal Parking — Blocked Sidewalk
2024-10-25311: Building/Use — Illegal Conversion Of Residential Building/Space
2024-10-25DOB complaint, category ?
2024-10-10Rodent inspection: Failed for Rat Activity
2024-10-09311: Dirty Condition — Trash
2024-08-28311: Missed Collection — Compost
2024-07-17311: Missed Collection — Compost
2024-04-04Rodent inspection: Passed
2024-03-05311: Dirty Condition — Trash
2024-02-29311: Non-Emergency Police Matter — Other (complaint details)
2024-01-03Bedbug filing: 0 infested units
2023
2023-11-28Rodent inspection: Failed for Rat Activity
2023-11-08311: Rodent — Rat Sighting
2023-10-20Rodent inspection: Failed for Rat Activity
2023-10-18Rodent inspection: Failed for Rat Activity
2023-04-10Rodent inspection: Passed
2023-03-22HPD 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
2022-11-29Rodent inspection: Failed for Rat Activity
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
2022-11-04Rodent inspection: Failed for Rat Activity
2022-05-10Rodent inspection: Failed for Rat Activity
2022-04-14Rodent inspection: Failed for Rat Activity
2022-03-20311: HEAT/HOT WATER — ENTIRE BUILDING
2022-03-20Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2022-02-24HPD 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
2021-04-08HPD 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
2016-11-04HPD 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
2005-08-05Deed $565,000 — from COLANERO, KENNETH; COLANERO, PATRICIA to YAN, BILLY; YAN, AGNES$565,000
2005-08-05AL&R $345,000 — from FLUSHING SAVINGS BANK, FSB to YAN, BILLY; YAN, AGNES$345,000
2005-08-05Mortgage satisfied — from COLANERO, KENNETH; COLANERO, PATRICIA to JASIAK, STANLEY; JASIAK, LORETTA
2005-08-05PAT — from COLLANERO, PATRICIA to COLLANERO, KENNETH
2005-08-05Mortgage $345,000 — from YAN, BILLY; YAN, AGNES to FLUSHING SAVINGS BANK, FSB$345,000
2004
2004-11-03Tenant complaint: HEATING — HEAT RELATED
2004-10-29Tenant complaint: ELECTRIC — LIGHTING
2004-10-29Tenant complaint: HEATING — HEAT RELATED
2004-10-28Tenant complaint: HEATING — HEAT RELATED
2004-10-27Tenant complaint: HEATING — HEAT RELATED
2004-09-13City emergency repair (OMO): public area: restore ceiling at 3rd. story public hall to original condition approx. (32 sq. ft.) *note: contractor must$525
2004-09-08Tenant complaint: PLUMBING — WATER SUPPLY
2004-08-30Tenant complaint: HEATING — HEAT RELATED