Building Biography

The MapLandlordsNeighborhoodsZIP CodesGradesThe Mice MapAboutWhat's new

924 Madison Avenue

166Records
12City systems
0Open violations
3.3Penalty rate
Manhattan · ZIP 10021 · Neighborhood: Upper East Side-Carnegie Hill
Open in the map

166 recorded events, 1967–2026, from 12 city data systems. The city's paper trail here is mostly 58 ACRIS deeds & mortgages, 29 DOB permits, 26 311 service requests.

BoroughManhattan 10021
Built1871
Floors6
Res. units1
ClassK4
Owner (PLUTO)924 REALTY ASSOCIATES
BBL1013880117
BIN1041528

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. More recorded distress than 79% 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 3.3. In ZIP 10021, 81% of residential buildings hold an A and 3% 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

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

2 service requests in the last three years. Most common: Illegal Parking (1) · Vendor Enforcement (1).

Filed construction activity

$325,039 in permitted construction work filed since 2016 (9 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 (1871)
NoSix or more residential units (1)
No421-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)924 Realty Associates LP
Head officerStephen H Judson
Managing agentJudson Realty LLC
Last registered2025-07-01

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$11,799,000 $5,309,550
2026$12,824,000 $5,770,800
2027$11,028,000 $4,962,600

The city's market estimate has fallen 7% between tax years 2025 and 2027.

Building systems

Heating fuelNATURALGAS

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

Subway77 St — 6 · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none
BusNearest boarding stop: Madison Av / E 72 St — M1 M2 M3 M4 · 250 ft
Citi Bike5 Ave & E 72 St · 500 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 006 Lillie D. Blake
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

924 Madison Avenue

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Anything elseAnything else

2 311 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.

The landlord's report card

Managed by JUDSON REALTY LLC — 8 buildings, 46 units. Grades across the portfolio: A7 · C1. See the whole portfolio

BuildingBoroughUnitsGrade
1044 Madison Avenue MN8 A
964 Lexington Avenue MN8 A
111 East 60 Street MN7 A
107 East 60 Street MN6 A
963 Lexington Avenue MN6 A
1065 Madison Avenue MN5 C
962 Lexington Avenue MN5 A
924 Madison Avenue MN1 A

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $3,064,591 on 2019-03-08 (lender: Lincoln Life & Annuity Company Of New York). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2019-03-08AL&R $5,700,000 — from 924 REALTY ASSOCIATES, L.P, to LINCOLN LIFE & ANNUITY COMPANY OF NEW YO $5,700,000
2019-03-08Mortgage $3,064,592 — from 924 REALTY ASSOCIATES, L.P. to LINCOLN LIFE & ANNUITY COMPANY OF NEW YO $3,064,592
2019-03-08Agreement $5,700,000 — from 924 REALTY ASSOCIATES, L.P, to LINCOLN LIFE & ANNUITY COMPANY OF NEW YO $5,700,000
2013-02-13Mortgage $133,599 — from 924 REALTY ASSOCIATES, L.P. to APPLE BANK FOR SAVINGS $133,599
2013-02-13Agreement $3,000,000 — from 924 REALTY ASSOCIATES, L.P. to APPLE BANK FOR SAVINGS $3,000,000
2013-02-13AL&R $3,000,000 — from 924 REALTY ASSOCIATES, L.P. to APPLE BANK FOR SAVINGS $3,000,000
2009-05-06Agreement $3,000,000 — from 924 REALTY ASSOCIATES, L.P. to APPLE BANK FOR SAVINGS $3,000,000
2009-05-06Mortgage $1,546,302 — from 924 REALTY ASSOCIATES, L.P. to APPLE BANK FOR SAVINGS $1,546,302
2009-05-06AL&R $3,000,000 — from 924 REALTY ASSOCIATES, L.P. to APPLE BANK FOR SAVINGS $3,000,000
2001-11-20Mortgage $479,149 — from 924 REALTY ASSOCIATES, L.P. to APPLE BANK FOR SAVINGS $479,149
1996-11-21Mortgage $97,600 — from 924 REALTY ASSOCIATES to CITY & SUBURBAN FEDERAL SAVINGS BANK $97,601
1993-11-18Mortgage $325,000 — from 924 REALTY ASSOCIATES to ABS SECOND COMPANY LTD $325,000
1987-10-09Mortgage $750,000 — from 924 REATLY ASSOCS to AMERICAN SVGS BK $750,000
1983-02-16Mortgage $100,000 — from 924 REALTY ASSOCIATES to EQUITABLE LIFE INSUETC. $100,000

Ten-year activity

20100
2017
2018
14
2019
2020
2021
2022
2023
2024
2025
2026
ConstructionHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionHousing & tenantsOwnership & moneyHealth & systemsTotal
201701023
201801034
2019237214
202013026
202134018
202202013
202322015
202413015
202531026
202671019
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 46Enforcement 6Housing & tenants 36Ownership & money 58Health & systems 20

Every one of the 166 recorded events, 1967–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 10021 · Landlord rankings · How grades work · The map · The Mice Map