5,693 recorded events, 1900–2026, from 18 city data systems. The city's paper trail here is mostly 4,891 ACRIS deeds & mortgages, 222 DOF property sales, 139 DOB job filings.
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 89% of 100+-unit residential buildings citywide. The citywide median for 100+-unit residential buildings is 3.7 penalty points per 10 units; this building carries 0.4. In ZIP 11354, 86% of residential buildings hold an A and 2% grade D or F. How grades work
Among 4,677 100+-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 2 total — 0 class C (immediately hazardous), 0 class B, 2 class A. Oldest open since 2021-03-09. |
status snapshot refreshed weekly from HPD records
1 heat or hot-water complaints in the last three years (winter 2025–26: 1).
1 bedbug-infested unit(s) reported in filings over the last three years.
80 service requests in the last three years. Most common: Blocked Driveway (22) · Consumer Complaint (13) · Food Establishment (12) · Indoor Air Quality (5) · Street Condition (5) · Illegal Parking (4).
$8,420,214 in permitted construction work filed since 2016 (80 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.
| No | Built before 1974 (2016) |
| Yes | Six or more residential units (192) |
| 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) | TANGRAM HOUSE SOUTH CONDOMINIUM |
| Head officer | PAUL TENG |
| Managing agent | FirstService Residential |
| Last registered | 2025-08-21 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $227,185 | $102,233 |
| 2026 | $424,633 | $191,084 |
| 2027 | $184,902 | $83,206 |
The city's market estimate has fallen 19% 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 $8,481,692 a year ($35.62 per sq ft), operating expenses $3,302,669 ($13.87 per sq ft), net operating income $5,179,023. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | D — ENERGY STAR score 48/100, posted at the entrance by law (2022 disclosure cycle) |
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| 85°C Bakery Cafe | Chinese | A | — |
| AZ&G INC | Not yet graded | — | |
| Chip City | Not yet graded | — | |
| Dawei | Chinese | A | — |
| Lady M Confections CO., LTD. | Not yet graded | — | |
| Maiko Matcha Cafe | Coffee/Tea | A | — |
| Money Cake (Foodhall #22) | Bakery Products/Desserts | C | Mice evidence |
| Non La Tan LLC | Not yet graded | — |
Report to 311: Food poisoning · Food safety complaint
8 restaurants · 1 with mice evidence · See them on the Mice Map
3 food-poisoning reports to 311 at this address in the last three years (1 with three or more people sick), shared by 8 restaurants
12 Food Establishment complaints to 311 at this address in the last three years (most often: Food Spoiled, Handwashing, Bare Hands in Contact w/ Food), shared by 8 restaurants · complaints filed by the public; DOHMH investigates, outcomes aren't published.
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 | Flushing-Main St — 7 · 800 ft straight-line (about a 4-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: Roosevelt Av / College Point Blvd — Q90 · 500 ft |
| School zones (2024–25 map) | Elementary: P.S. 020 John Bowne Middle: J.H.S. 189 Daniel Carter Beard. 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.
133-27 39th Avenue
| 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 |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
80 311 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 FIRSTSERVICE RESIDENTIAL — 556 buildings, 66,420 units. Grades across the portfolio: A464 · B61 · C14 · D3 · F1. See the whole portfolio
showing 60 of 556 buildings
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-09-30 | Deed $888,000 — from AMELIA CHEN LLC to AVES, ISAGANI SORIANO; AVES, BONNIE CHEN | $888,000 | |
| 2026-09-30 | Mortgage $532,800 — from AVES, BONNIE CHEN; AVES, ISAGANI SORIANO to MERS | $532,800 | |
| 2026-09-24 | Mortgage $500,000 — from ZHU, ZIQIANG; LIU, WEI to MORTGAGE ELECTRONIC REGISTRATION SYSTEMS; EAST WEST BANK | $500,000 | |
| 2026-09-17 | Sold for $888,000 | $888,000 | $4,625 |
| 2026-08-10 | Deed $1,300,000 — from CHEN, YINGWEI; XIAO, HUI to KCYXCHANGE1 LLC | $1,300,000 | |
| 2026-08-05 | Deed $680,000 — from YEO, YIEHONG; KWONG, CHI MING SAMMY to AW PROPERTY DEVELOPMENT INC. | $680,000 | |
| 2026-07-30 | Sold for $1,300,000 | $1,300,000 | $6,771 |
| 2026-07-24 | Sold for $680,000 | $680,000 | $3,542 |
| 2026-03-18 | Mortgage $455,000 — from YANG, SHAOHAI to METRO CITY BANK | $455,000 | |
| 2026-03-18 | Deed $910,000 — from SHI, LEI to YANG, SHAOHAI | $910,000 | |
| 2026-03-11 | Deed $690,000 — from SHI, JIE YING to GOLDEN FOUNTAIN REALTY INC | $690,000 | |
| 2026-03-10 | Sold for $910,000 | $910,000 | $4,740 |
| 2026-02-25 | Sold for $690,000 | $690,000 | $3,594 |
| 2026-02-24 | Mortgage $410,000 — from YLU LLC to MERS | $410,000 | |
| 2026-02-24 | Deed $820,000 — from LIU, XIULAN to YLU LLC | $820,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 16 | 0 | 0 | 0 | 0 | 16 |
| 2018 | 23 | 20 | 0 | 0 | 4 | 47 |
| 2019 | 19 | 12 | 2 | 2,677 | 3 | 2,713 |
| 2020 | 13 | 11 | 3 | 1,887 | 0 | 1,914 |
| 2021 | 39 | 14 | 30 | 141 | 4 | 228 |
| 2022 | 34 | 7 | 30 | 121 | 4 | 196 |
| 2023 | 13 | 8 | 13 | 118 | 5 | 157 |
| 2024 | 43 | 2 | 31 | 44 | 10 | 130 |
| 2025 | 30 | 2 | 24 | 71 | 9 | 136 |
| 2026 | 12 | 0 | 22 | 54 | 2 | 90 |
Every one of the 5,693 recorded events, 1900–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11354 · Landlord rankings · How grades work · The map · The Mice Map