295 recorded events, 2006–2026, from 13 city data systems. The city's paper trail here is mostly 208 ACRIS deeds & mortgages, 33 311 service requests, 15 DOF property sales.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. Less recorded distress than 100% 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 0. In ZIP 11220, 69% of residential buildings hold an A and 6% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 1 total — 0 class C (immediately hazardous), 1 class B, 0 class A. Oldest open since 2014-08-18. |
status snapshot refreshed weekly from HPD records
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
5 service requests in the last three years. Most common: Non (2) · Drinking (1) · Illegal Tree Damage (1) · Drug Activity (1).
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.
| No | Built before 1974 (2009) |
| Yes | Six or more residential units (14) |
| Yes | 421-a / J-51 tax benefit on the current tax roll |
2 of 3 signals present. Buildings receiving 421-a or J-51 benefits are generally required to register their units as rent-stabilized for the duration of the benefit. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | SERENE CONDOMINIUM |
| Head officer | FENG LIN |
| Managing agent | BAYSUN PROPERTY MGMT INC. |
| Last registered | 2025-08-14 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $134,208 | $60,394 |
| 2026 | $146,294 | $65,832 |
| 2027 | $149,932 | $67,469 |
The city's market estimate has risen 12% between tax years 2025 and 2027.
Tax exemptions on the roll: 421A 15 YR CAP
For property tax, the Department of Finance values this condo as if it were a rental building. Its 2023 estimate: gross income $406,914 a year ($31.98 per sq ft), operating expenses $150,525 ($11.83 per sq ft), net operating income $256,389. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
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.
| Subway | 53 St — R · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 50 St / 6 Av — B11 · 250 ft |
| Citi Bike | 50 St & 7 Ave · 400 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 094 The Henry Longfellow Middle: J.H.S. 220 John J. Pershing. Confirm with the DOE's school search. |
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.
638 50 Street
| Heat or hot water | Heat or hot water |
| Apartment maintenance | Apartment maintenance |
| Bed bugs | Bed bugs |
| Residential pests | Residential pests |
| Rats or mice | Rats or mice |
| Anything else | Anything else |
5 311 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.
Managed by BAYSUN PROPERTY MGMT INC — 14 buildings, 184 units. Grades across the portfolio: A14. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 399 East 8 Street | MN | 30 | A |
| 859 60 Street | BK | 25 | A |
| 1571 67 Street | BK | 18 | A |
| 638 50 Street | BK | 14 | A |
| 871 50 Street | BK | 13 | A |
| 755 40 Street | BK | 12 | A |
| 880 60 Street | BK | 12 | A |
| 6501 Bay Parkway | BK | 10 | A |
| 1476 67 Street | BK | 10 | A |
| 1752 Benson Avenue | BK | 9 | A |
| 8638 24 Avenue | BK | 9 | A |
| 759 41 Street | BK | 8 | A |
| 6113 23 Avenue | BK | 8 | A |
| 209 Bay 31 Street | BK | 6 | A |
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-08-24 | Mortgage $360,700 — from ZOU, TONGHUI; ZHU, JINYING to METRO CITY BANK | $360,700 | |
| 2026-08-24 | Deed $555,000 — from WU, SHUHANG to ZOU, TONGHUI; ZHU, JINYING | $555,000 | |
| 2026-07-21 | Sold for $555,000 | $555,000 | $39,643 |
| 2025-07-30 | Deed $550,000 — from LIU, ZHAO; ZHENG, XIANG to ZHANG, QIU CHANG | $550,000 | |
| 2025-07-30 | Mortgage $220,000 — from ZHANG, QIU CHANG to METRO CITY BANK | $220,000 | |
| 2025-07-11 | Sold for $550,000 | $550,000 | $39,286 |
| 2025-07-11 | Sold for $550,000 | $550,000 | $39,286 |
| 2022-07-07 | Mortgage $260,000 — from LIN, XIU YUN to MERS | $260,000 | |
| 2022-07-07 | Deed $520,000 — from ZHANG, RU YING to LIN, XIU YUN | $520,000 | |
| 2022-06-17 | Sold for $520,000 | $520,000 | $37,143 |
| 2021-12-03 | Mortgage $200,000 — from ZHENG, CAIYUN; CHEN, JINMAO to CITIZENS BANK, N.A. | $200,000 | |
| 2019-12-06 | Agreement $200,000 — from ZHENG, CAI YUN; CHEN, JIN MAO to MERS | $200,000 | |
| 2019-12-06 | Mortgage $111,976 — from ZHENG, CAI YUN; CHEN, JIN MAO to MERS | $111,976 | |
| 2019-09-11 | Deed $555,000 — from ZHU, CHENGYUE to PANG, DONGHONG | $555,000 | |
| 2019-09-11 | Mortgage $201,000 — from PANG, DONGHONG to CTBC BANK CORP. (USA) | $201,000 |
| Year | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|
| 2017 | 2 | 15 | 0 | 17 |
| 2018 | 1 | 1 | 0 | 2 |
| 2019 | 2 | 13 | 1 | 16 |
| 2020 | 2 | 1 | 0 | 3 |
| 2021 | 4 | 3 | 0 | 7 |
| 2022 | 8 | 8 | 0 | 16 |
| 2023 | 10 | 2 | 0 | 12 |
| 2024 | 2 | 4 | 0 | 6 |
| 2025 | 3 | 10 | 0 | 13 |
| 2026 | 2 | 4 | 0 | 6 |
Every one of the 295 recorded events, 2006–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11220 · Landlord rankings · How grades work · The map · The Mice Map