292 recorded events, 1966–2026, from 12 city data systems. The city's paper trail here is mostly 71 311 service requests, 60 HPD complaints, 51 ACRIS deeds & mortgages.
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 63% 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 8.8. In ZIP 11215, 70% of residential buildings hold an A and 4% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
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.
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
2 service requests in the last three years. Most common: Illegal Parking (1) · Residential Disposal Complaint (1).
$365,000 in permitted construction work filed since 2016 (3 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.
| Yes | Built before 1974 (1931) |
| Yes | Six or more residential units (8) |
| No | 421-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 owner(s) | BROOKLYN TOWNHOUSE PROPERTY OWNER LLC |
| Head officer | JASON GREENBERG |
| Managing agent | Judith Drive LLC |
| Last registered | 2025-08-23 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,205,600 | $992,520 |
| 2026 | $1,805,000 | $812,250 |
| 2027 | $2,166,000 | $974,700 |
The city's market estimate has fallen 2% between tax years 2025 and 2027.
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 | Prospect Av — R · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 7 Av / 18 St — B67 B69 · 600 ft |
| Citi Bike | 6 Ave & 21 St · 350 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: Magnet School of Math, Science and Design Technology. 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.
321 20 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 |
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.
Managed by JUDITH DRIVE LLC — 86 buildings, 1,107 units. Grades across the portfolio: A37 · B22 · C14 · D13. See the whole portfolio
showing 60 of 86 buildings
Most recent mortgage recorded against this lot: $4,870,108 on 2025-08-14 (lender: Invesco Cmi Investments Ms Seller, LLC), covering 12 lots — the amount covers all of them. Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-12-11 | Agreement $37,200,000 — from BROOKLYN TOWNHOUSE PROPERTY III, L.L.C.; BROOKLYN TOWNHOUSE PROPERTY IV, L.L.C.; BROOKLYN to INVESCO CMI INVESTMENTS MS SELLER, LLC | $37,200,000 | |
| 2025-08-14 | Mortgage $4,870,109 — from BROOKLYN TOWNHOUSE PROPERTY OWNER III, L; BROOKLYN TOWNHOUSE PROPERTY OWNER, L.L.C; BROOKL to INVESCO CMI INVESTMENTS MS SELLER, LLC | $4,870,109 | |
| 2025-08-14 | Agreement $37,200,000 — from BROOKLYN TOWNHOUSE PROPERTY OWNER IV, L.; BROOKLYN TOWNHOUSE PROPERTY OWNER, L.L.C; BROOKL to INVESCO CMI INVESTMENTS MS SELLER, LLC | $37,200,000 | |
| 2025-08-14 | AL&R $37,200,000 — from BROOKLYN TOWNHOUSE PROPERTY OWNER IV, L.; BROOKLYN TOWNHOUSE PROPERTY OWNER III, L; BROOKL to INVESCO CMI INVESTMENTS MS SELLER, LLC | $37,200,000 | |
| 2023-12-28 | AL&R $18,000,000 — from BROOKLYN TOWNHOUSE PROPERTY OWNER, L.L.C to INVESCO COMMERCIAL REAL ESTATE FINANCE I | $18,000,000 | |
| 2023-12-28 | Mortgage $18,000,000 — from BROOKLYN TOWNHOUSE PROPERTY OWNER, L.L.C to INVESCO COMMERCIAL REAL ESTATE FINANCE I | $18,000,000 | |
| 2022-11-21 | Deed $4,700,000 — from PROPERTIES MANAGEMENT OF PARK SLOPE LLC to BROOKLYN TOWNHOUSE PROPERTY OWNER, L.L.C | $4,700,000 | |
| 2016-03-11 | Mortgage $611,242 — from PROPERTIES MANAGEMENT OF PARK SLOPE LLC to RIDGEWOOD SAVINGS BANK | $611,242 | |
| 2016-03-11 | Agreement $1,650,000 — from PROPERTIES MANAGEMENT OF PARK SLOPE LLC to RIDGEWOOD SAVINGS BANK | $1,650,000 | |
| 2016-03-11 | AL&R $1,650,000 — from PROPERTIES MANAGEMENT OF PARK SLOPE LLC to RIDGEWOOD SAVINGS BANK | $1,650,000 | |
| 2012-07-25 | Mortgage $451,635 — from PROPERTIES MANAGEMENT OF PARK SLOPE LLC to PEOPLE'S UNITED BANK | $451,635 | |
| 2012-07-25 | Agreement $1,120,000 — from PROPERTIES MANAGEMENT OF PARK SLOPE LLC to PEOPLE'S UNITED BANK | $1,120,000 | |
| 2012-07-25 | AL&R $1,120,000 — from PROPERTIES MANAGEMENT OF PARK SLOPE LLC to PEOPLE'S UNITED BANK | $1,120,000 | |
| 2006-04-21 | Deed $1,000,000 — from COHEN, BARRY; COHEN, SIDNEY to PROPERTIES MANAGEMENT OF PARK SLOPE LLC | $1,000,000 | |
| 2006-04-21 | Mortgage $735,000 — from PROPERTIES MANAGEMENT OF PARK SLOPE LLC to INDEPENDENCE COMMUNITY BANK | $735,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 4 | 0 | 0 | 4 |
| 2018 | 0 | 0 | 2 | 0 | 1 | 3 |
| 2019 | 0 | 0 | 2 | 0 | 1 | 3 |
| 2020 | 7 | 2 | 5 | 0 | 1 | 15 |
| 2021 | 8 | 2 | 5 | 0 | 0 | 15 |
| 2022 | 0 | 0 | 4 | 2 | 0 | 6 |
| 2023 | 0 | 0 | 7 | 2 | 0 | 9 |
| 2024 | 0 | 0 | 9 | 1 | 0 | 10 |
| 2025 | 0 | 0 | 1 | 10 | 0 | 11 |
| 2026 | 0 | 0 | 2 | 4 | 0 | 6 |
Every one of the 292 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11215 · Landlord rankings · How grades work · The map · The Mice Map