450 recorded events, 1969–2026, from 16 city data systems. The city's paper trail here is mostly 113 311 service requests, 77 HPD complaints, 51 ACRIS deeds & mortgages.
Full record, year by year Support this site
A meaningful record of code violations or complaints relative to its peers. More recorded distress than 92% 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 240.2. In ZIP 11226, 60% of residential buildings hold an A and 10% 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 | 2 total — 2 class C (immediately hazardous), 0 class B, 0 class A. Oldest open since 2025-11-07. |
status snapshot refreshed weekly from HPD records
82 heat or hot-water complaints in the last three years (winter 2023–24: 2 · winter 2024–25: 5 · winter 2025–26: 65). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$1,000 in enforcement penalties imposed (ECB/OATH) in the last three years.
74 service requests in the last three years. Most common: HEAT/HOT WATER (40) · Noise (8) · DOOR/WINDOW (7) · Boilers (6) · GENERAL (3) · PLUMBING (3).
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 (2005) |
| Yes | Six or more residential units (8) |
| 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) | 669 EAST 21 STREET LLC |
| Head officer | ALEXANDER J HORN |
| Managing agent | Cobble Hill Management |
| Last registered | 2026-07-31 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,668,800 | $1,200,960 |
| 2026 | $2,135,000 | $960,750 |
| 2027 | $1,708,000 | $768,600 |
The city's market estimate has fallen 36% between tax years 2025 and 2027.
Tax exemptions on the roll: 421A 25 YR NO CAP
| Heating fuel | NATURALGAS |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 6 of 6 — zone 1 evacuates first.
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 | Newkirk Plaza — B Q · 0.3 mi straight-line (about a 9-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Foster Av / E 22 St — B8 B49 · 200 ft |
| Citi Bike | Cortelyou Rd & E 19 St · 0.4 mi · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: 152, 315 Middle: J.H.S. 062 Ditmas. 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.
669 East 21 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 |
74 311 service requests from this address in the last three years — 40 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.
Managed by COBBLE HILL MANAGEMENT — 35 buildings, 277 units. Grades across the portfolio: A16 · B9 · C7 · D2 · F1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 118 2 Avenue | MN | 23 | A |
| 879 DeKalb Avenue | BK | 22 | B |
| 43 West 27 Street | MN | 16 | A |
| 216 Macon Street | BK | 16 | A |
| 212 Lafayette Street | MN | 16 | A |
| 1063 Bedford Avenue | BK | 14 | A |
| 223 Bainbridge Street | BK | 9 | B |
| 654 Putnam Avenue | BK | 9 | C |
| 804 Macon Street | BK | 8 | A |
| 319 Malcolm X Boulevard | BK | 8 | A |
| 439 Bleecker Street | BK | 8 | B |
| 910 Prospect Place | BK | 8 | B |
| 151 Avenue A | MN | 8 | A |
| 669 East 21 Street | BK | 8 | C |
| 475 Hancock Street | BK | 8 | C |
| 283 Evergreen Avenue | BK | 8 | A |
| 790 Madison Street | BK | 8 | C |
| 788 Madison Street | BK | 8 | A |
| 419 Marcus Garvey Blvd | BK | 8 | A |
| 69 Leonard Street | MN | 7 | A |
| 810 Macon Street | BK | 6 | A |
| 45 Kingston Avenue | BK | 6 | C |
| 808 Macon Street | BK | 6 | A |
| 814 Macon Street | BK | 6 | B |
| 1868 Putnam Avenue | QN | 6 | B |
| 923 Gates Avenue | BK | 4 | B |
| 701 Fulton Street | BK | 4 | C |
| 296 St Nicholas Avenue | BK | 3 | C |
| 451 Classon Avenue | BK | 3 | D |
| 429 Herkimer Street | BK | 3 | F |
| 412 Linden Street | BK | 3 | D |
| 300 St Nicholas Avenue | BK | 2 | B |
| 703 Fulton Street | BK | 2 | A |
| 298 St Nicholas Avenue | BK | 2 | B |
| 310 East 69 Street | MN | 1 | A |
Most recent mortgage recorded against this lot: $750,000 on 2017-06-22 (lender: Signature Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2017-06-22 | AL&R $2,300,000 — from 669 E 21ST STREET LLC; SGH OLD HOUSE LLC; NCH OLD HOUSE LLC to SIGNATURE BANK | $2,300,000 | |
| 2017-06-22 | Agreement $2,300,000 — from SGH OLD HOUSE LLC; 669 E 21ST STREET LLC; NCH OLD HOUSE LLC to SIGNATURE BANK | $2,300,000 | |
| 2017-06-22 | Mortgage $750,000 — from 669 E 21ST STREET LLC; NCH OLD HOUSE LLC; SGH OLD HOUSE LLC to SIGNATURE BANK | $750,000 | |
| 2016-10-12 | Deed $2,700,000 — from SLAM J LLC; KENMORE HOLDINGS LLC; MR. CHARLIE LLC; HRG 669 LLC to 669 E 21ST STREET LLC; SGH OLD HOUSE LLC; NCH OLD HOUSE LLC | $2,700,000 | |
| 2016-10-12 | ASPM $450,000 — from HRG 669 LLC; KENMORE HOLDINGS LLC; MR. CHARLIE LLC; 669 LLC; SLAM J LLC to LENDERS CAPITAL LLC | $450,000 | |
| 2016-10-12 | Mortgage $450,000 — from 669 LLC to LENDERS CAPITAL LLC | $450,000 | |
| 2016-10-12 | Agreement $850,000 — from 669 LLC; 23 PARTNERS LLC to LENDERS CAPITAL LLC | $850,000 | |
| 2016-10-12 | Agreement $1,550,000 — from SGH OLD HOUSE LLC; NCH OLD HOUSE LLC; 669 E 21ST STREET LLC to 1031 HIGHLAND ASSOCIATES LLC | $1,550,000 | |
| 2016-10-12 | Agreement $850,000 — from 23 PARTNERS LLC; 669 LLC to LENDERS CAPITAL LLC | $850,000 | |
| 2016-10-12 | Mortgage $1,100,000 — from 669 E 21ST STREET LLC; SGH OLD HOUSE LLC; NCH OLD HOUSE LLC to 1031 HIGHLAND ASSOCIATES LLC | $1,100,000 | |
| 2016-09-30 | Sold for $2,700,000 | $2,700,000 | $337,500 |
| 2015-09-16 | Mortgage $850,000 — from 23 PARTNERS LLC; 669 LLC to LENDERS CAPITAL LLC | $850,000 | |
| 2015-02-09 | Deed $1,320,000 — from 669 EAST 21 LLC to 636 ASSETS INC. | $1,320,000 | |
| 2009-05-22 | AL&R $275,000 — from 669 EAST 21 LLC; 23 JEFFERSON STREET LLC; 2216-22 SURF AVENUE LLC; 7901 7 AVENUE LLC to 636 ASSETS, INC. | $275,000 | |
| 2009-05-22 | Mortgage $275,000 — from 23 JEFFERSON STREET LLC; 669 EAST 21 LLC; 2216-22 SURF AVENUE LLC; 7901 7 AVENUE LLC to 636 ASSETS, INC. | $275,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 2 | 0 | 1 | 12 | 0 | 15 |
| 2018 | 0 | 2 | 15 | 0 | 0 | 17 |
| 2019 | 0 | 0 | 4 | 0 | 0 | 4 |
| 2020 | 0 | 0 | 7 | 0 | 0 | 7 |
| 2021 | 0 | 0 | 1 | 0 | 0 | 1 |
| 2022 | 0 | 0 | 4 | 0 | 0 | 4 |
| 2023 | 0 | 0 | 6 | 0 | 0 | 6 |
| 2024 | 0 | 0 | 12 | 2 | 0 | 14 |
| 2025 | 0 | 2 | 55 | 0 | 1 | 58 |
| 2026 | 0 | 7 | 95 | 0 | 0 | 102 |
Every one of the 450 recorded events, 1969–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11226 · Landlord rankings · How grades work · The map · The Mice Map