Building Biography

The MapLandlordsNeighborhoodsZIP CodesGradesThe Mice MapAboutWhat's new

1664 3 Avenue

709Records
17City systems
0Open violations
1.3Penalty rate
Manhattan · ZIP 10128 · Neighborhood: Upper East Side-Carnegie Hill
Open in the map

709 recorded events, 1990–2026, from 17 city data systems. The city's paper trail here is mostly 331 311 service requests, 72 HPD complaints, 67 certificates of occupancy.

BoroughManhattan 10128
Built1910
Floors5
Res. units8
ClassC7
Owner (PLUTO)1664 THIRD AVENUE OWNER LLC
BBL1015220034
BIN1048394

Full record, year by year   Support this site

GRADE A

The city's published records show little recorded distress here in the last three years. Less recorded distress than 87% 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 1.3. In ZIP 10128, 84% of residential buildings hold an A and 1% 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

2 heat or hot-water complaints in the last three years (winter 2023–24: 2).

No bedbug-infested units reported in the last three years of filings.

What 311 hears from this address

10 service requests in the last three years. Most common: Noise (4) · HEAT/HOT WATER (1) · Illegal Dumping (1) · Obstruction (1) · Dirty Condition (1) · Food Poisoning (1).

Filed construction activity

$106,375 in permitted construction work filed since 2016 (2 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

YesBuilt before 1974 (1910)
YesSix or more residential units (8)
No421-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)1664 THIRD AVENUE OWNER LLC
Head officerKEN KONFONG
Managing agentMUSS DEVELOPMENT LLC
Last registered2025-08-29

as filed by the owner in the building's HPD registration

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$7,194,000 $3,237,300
2026$8,633,000 $3,884,850
2027$10,064,000 $4,528,800

The city's market estimate has risen 40% between tax years 2025 and 2027.

Building systems

Heating fuelNO2FUEL

Restaurants in this building

RestaurantCuisineGradeNotes
Ye Olde City Cheesesteaks & BrewAmericanNot yet gradedMice evidence

Report to 311: Food poisoning · Food safety complaint

1 restaurant · 1 with mice evidence · See them on the Mice Map

1 food-poisoning report to 311 at this address in the last three years (0 with three or more people sick) · complaints filed by the public; DOHMH investigates, outcomes aren't published.

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

Subway96 St — Q · 750 ft straight-line (about a 4-minute walk) · station accessibility: full
96 St — 6 · 750 ft straight-line (about a 4-minute walk) · station accessibility: none
BusNearest boarding stop: 3 Av / E 93 St — M101 M102 M103 · 100 ft
Citi BikeE 95 St & 3 Ave · 500 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 198 Isidor E. Ida Straus
Middle: J.H.S. 167 Robert F. Wagner. 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.

Report a problem to 311

1664 3 Avenue

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Food poisoningFood poisoning
Food safety complaintFood safety complaint
Anything elseAnything else

10 311 service requests from this address in the last three years — 1 of them about heat or hot water.

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.

The landlord's report card

Managed by MUSS DEVELOPMENT LLC — 3 buildings, 146 units. Grades across the portfolio: A3. See the whole portfolio

BuildingBoroughUnitsGrade
168 Franklin Avenue BK118 A
63 West 108 Street MN20 A
1664 3 Avenue MN8 A

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $3,335,975 on 2016-02-10 (lender: Signature Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2016-02-10Mortgage $3,335,975 — from 1664 THIRD AVENUE OWNER LLC to SIGNATURE BANK $3,335,975
2016-02-10Agreement $6,100,000 — from SIGNATURE BANK to 1664 THIRD AVENUE OWNER LLC $6,100,000
2016-02-10Deed $9,750,000 — from OUYANG , LEYIN to 1664 THIRD AVENUE OWNER LLC $9,750,000
2016-02-10AL&R $6,100,000 — from 1664 THIRD AVENUE OWNER LLC to SIGNATURE BANK $6,100,000
2016-01-20Sold for $9,750,000 $9,750,000 $1,218,750
2013-06-26Mortgage $1,318,706 — from 1664 3RD AVE LLC to VALLEY NATIONAL BANK $1,318,706
2013-06-26Agreement $2,950,000 — from 1664 3RD AVE LLC to VALLEY NATIONAL BANK $2,950,000
2013-06-26AL&R $2,950,000 — from 1664 3RD AVE LLC to VALLEY NATIONAL BANK $2,950,000
2012-09-19AL&R $1,650,000 — from OUYANG, LEYIN; CASTELBUONO, ANTHONY to QUONTIC BANK $1,650,000
2012-09-19Agreement $1,650,000 — from OUYANG, LEYIN; CASTELBUONO, ANTHONY to QUONTIC BANK $1,650,000
2012-09-19Mortgage $265,839 — from CASTELBUONO, ANTHONY; OUYANG, LEYIN to QUONTIC BANK $265,839
2011-12-02Mortgage $1,400,000 — from OUYANG, LEYIN; CASTELBUONO, ANTHONY to QUONTIC BANK $1,400,000
2008-11-26Deed $2,810,000 — from CASTELBUONO, ANTHONY to CASOUYAN, LLC $2,810,000

Ten-year activity

2001000
2017
118
2018
2019
2020
2021
2022
2023
2024
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
2017502018
201811010502118
20197280320
202014050120
202141140221
202250100217
202360120220
20244072316
20254040311
2026002035
This record is free. Keeping it free costs money.
Servers, data pipelines, weekends. Pay what you want — a dollar helps.
Chip in

The full timeline

Construction 130Enforcement 83Housing & tenants 433Ownership & money 31Health & systems 32

Every one of the 709 recorded events, 1990–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 10128 · Landlord rankings · How grades work · The map · The Mice Map