423 recorded events, 1973–2026, from 16 city data systems. The city's paper trail here is mostly 206 311 service requests, 45 ACRIS deeds & mortgages, 38 HPD housing violations.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 75% 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 61.4. 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
| Open HPD violations | 3 total — 0 class C (immediately hazardous), 3 class B, 0 class A. Oldest open since 2026-10-11. |
status snapshot refreshed weekly from HPD records
22 heat or hot-water complaints in the last three years (winter 2023–24: 2 · winter 2025–26: 8). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
48 service requests in the last three years. Most common: HEAT/HOT WATER (11) · Noise (8) · Illegal Parking (4) · Rodent (3) · PLUMBING (3) · Food Establishment (3).
$198,200 in permitted construction work filed since 2016 (5 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 (1905) |
| Yes | Six or more residential units (15) |
| 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) | KEYSTONE 210 PROSPECT PARK LLC |
| Head officer | Shane Rajcooar |
| Managing agent | RYCO NYC LLC |
| Last registered | 2026-06-04 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,294,000 | $1,032,300 |
| 2026 | $2,535,000 | $1,140,750 |
| 2027 | $2,167,000 | $975,150 |
The city's market estimate has fallen 6% between tax years 2025 and 2027.
| Heating fuel | NATURALGAS |
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Double Windsor | American | A | Mice evidence |
Report to 311: Food poisoning · Food safety complaint
1 restaurant · 1 with mice evidence · See them on the Mice Map
3 Food Establishment complaints to 311 at this address in the last three years (most often: Rodents/Insects/Garbage, Kitchen/Food Prep Area) · 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 | 15 St-Prospect Park — F G · 250 ft straight-line (about a 1-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Prospect Park West / 16 St — B61 · 150 ft |
| Citi Bike | West Drive & Prospect Park West · 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.
210 Prospect Park West
| 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 |
48 311 service requests from this address in the last three years — 11 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 RYCO NYC LLC — 28 buildings, 370 units. Grades across the portfolio: A11 · B11 · C2 · D4. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 217 Thompson Street | MN | 45 | A |
| 135 Avenue A | MN | 31 | A |
| 156 2 Avenue | MN | 31 | B |
| 151 2 Avenue | MN | 27 | B |
| 142 West 4 Street | MN | 24 | A |
| 140 West 4 Street | MN | 24 | A |
| 129 2 Avenue | MN | 21 | B |
| 127 2 Avenue | MN | 21 | B |
| 131 2 Avenue | MN | 19 | D |
| 34 Carmine Street | MN | 16 | A |
| 210 Prospect Park West | BK | 15 | B |
| 340 East 9 Street | MN | 10 | A |
| 37 Carmine Street | MN | 9 | A |
| 327 Henry Street | BK | 8 | B |
| 157 2 Avenue | MN | 6 | A |
| 308 Lincoln Road | BK | 6 | A |
| 629 Sterling Place | BK | 6 | B |
| 639 Sterling Place | BK | 6 | B |
| 374 Court Street | BK | 6 | A |
| 637 Sterling Place | BK | 6 | A |
| 803 Greenwich Street | MN | 5 | D |
| 168 Wythe Avenue | BK | 5 | C |
| 149 2 Avenue | MN | 5 | D |
| 502 La Guardia Place | MN | 4 | B |
| 506 La Guardia Place | MN | 4 | B |
| 504 La Guardia Place | MN | 4 | B |
| 280 Bleecker Street | MN | 3 | C |
| 225 5 Avenue | BK | 3 | D |
Most recent mortgage recorded against this lot: $963,150 on 2021-02-26 (lender: Citibank,na), covering 6 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 |
|---|---|---|---|
| 2021-02-26 | Mortgage $963,150 — from SUMMIT 637 STERLING PLACE LLC; SUMMIT 308 LINCOLN ROAD LLC; KEYSTONE 210PROSPECT PARK LLC; to CITIBANK,NA | $963,150 | |
| 2021-02-26 | AL&R $12,759,500 — from KEYSTONE 210PROSPECT PARK LLC; SUMMIT 637 STERLING PLACE LLC; SUMMIT 639 STERLING PLACE LL to CITIBANK,NA | $12,759,500 | |
| 2021-02-26 | Agreement $12,759,500 — from SUMMIT 639 STERLING PLACE LLC; SUMMIT 308 LINCOLN ROAD LLC; SUMMIT 637 STERLING PLACE LLC; to CITIBANK,NA | $12,759,500 | |
| 2020-12-01 | AL&R $3,125,000 — from KEYSTONE 210 PROSPECT PARK LLC to JRLS II LLC | $3,125,000 | |
| 2020-12-01 | Agreement $3,125,000 — from KEYSTONE 210 PROSPECT PARK LLC to JRLS II LLC; ELI PARTNERS LLC | $3,125,000 | |
| 2020-12-01 | Deed $4,925,000 — from 210 PROSPECT PARK WEST LLC to KEYSTONE 210 PROSPECT PARK WEST LLC | $4,925,000 | |
| 2020-10-15 | Sold for $4,925,000 | $4,925,000 | $328,333 |
| 2015-09-17 | Mortgage $1,449,077 — from 210 PROSPECT PARK WEST, LLC to JPMORGAN CHASE BANK, N.A. | $1,449,077 | |
| 2015-09-17 | Mortgage $3,125,000 — from 210 PROSPECT PARK WEST, LLC to JPMORGAN CHASE BANK, N.A. | $3,125,000 | |
| 2015-09-17 | Agreement $3,125,000 — from 210 PROSPECT PARK WEST, LLC to JPMORGAN CHASE BANK, N.A. | $3,125,000 | |
| 2012-03-09 | Agreement $1,800,000 — from 210 PROSEPECT PARK WEST LLC to JPMORGAN CHASE BANK, N.A. | $1,800,000 | |
| 2012-03-09 | Mortgage $1,800,000 — from 210 PROSEPECT PARK WEST LLC to JPMORGAN CHASE BANK, N.A. | $1,800,000 | |
| 2012-03-09 | Mortgage $406,428 — from 210 PROSEPECT PARK WEST LLC to JPMORGAN CHASE BANK, N.A. | $406,428 | |
| 2005-02-01 | Deed $2,135,000 — from REALTY ASSOCIATES LLC to 210 PROSPECT PARK WEST LLC | $2,135,000 | |
| 2005-02-01 | Mortgage $1,520,000 — from 210 PROSPECT PARK WEST LLC to INDEPENDENCE COMMUNITY BANK | $1,520,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 5 | 0 | 4 | 0 | 0 | 9 |
| 2018 | 0 | 0 | 7 | 0 | 1 | 8 |
| 2019 | 0 | 0 | 6 | 0 | 1 | 7 |
| 2020 | 1 | 0 | 6 | 6 | 2 | 15 |
| 2021 | 3 | 1 | 11 | 5 | 3 | 23 |
| 2022 | 2 | 1 | 17 | 0 | 7 | 27 |
| 2023 | 0 | 1 | 14 | 0 | 6 | 21 |
| 2024 | 0 | 1 | 43 | 0 | 1 | 45 |
| 2025 | 0 | 0 | 27 | 0 | 2 | 29 |
| 2026 | 0 | 0 | 9 | 0 | 1 | 10 |
Every one of the 423 recorded events, 1973–2026, 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