428 recorded events, 1973–2026, from 15 city data systems. The city's paper trail here is mostly 183 311 service requests, 39 HPD housing violations, 38 HPD complaints.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 82% 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 7.5. In ZIP 11237, 39% of residential buildings hold an A and 15% grade D or F. How grades work
Among 699,345 1-5-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.
38 service requests in the last three years. Most common: Noise (19) · Encampment (9) · Non (7) · Illegal Tree Damage (1) · Homeless Person Assistance (1) · Curb Condition (1).
$99,200 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) |
| No | Six or more residential units (4) |
| No | 421-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 owner(s) | 211 KNICKERBOCKER ASSOCIATES LLC |
| Head officer | ERIC MANN |
| Managing agent | L ROSE REALTY, INC |
| Last registered | 2025-08-04 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $991,000 | $445,950 |
| 2026 | $948,000 | $426,600 |
| 2027 | $1,110,000 | $499,500 |
The city's market estimate has risen 12% between tax years 2025 and 2027.
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| The Three Diamond Door | American | A | — |
Report to 311: Food poisoning · Food safety complaint
1 restaurant · 0 with mice evidence · See them on the Mice Map
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 | Jefferson St — L · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Wilson Av / Troutman St — B60 · 750 ft |
| Citi Bike | Knickerbocker Ave & George St · 700 ft · station location as of 2026-09-23; live availability |
| Bike facility | Painted bike lane mapped within 75 ft |
| School zones (2024–25 map) | Elementary: P.S. 123 Suydam Middle: J.H.S. 162 The Willoughby. 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.
211 Knickerbocker Avenue
| 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 |
38 311 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 L ROSE REALTY, INC — 28 buildings, 272 units. Grades across the portfolio: A12 · B8 · C5 · D3. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 1007 Atlantic Avenue | BK | 50 | A |
| 109 Gold Street | BK | 33 | A |
| 820 Franklin Avenue | BK | 32 | A |
| 169 North 10 Street | BK | 20 | A |
| 209 West 20 Street | MN | 12 | A |
| 583 Lorimer Street | BK | 10 | A |
| 359 Lewis Avenue | BK | 8 | C |
| 320 Cumberland Street | BK | 7 | A |
| 259 St Nicholas Avenue | BK | 7 | B |
| 266 3 Avenue | MN | 7 | A |
| 377 Menahan Street | BK | 6 | B |
| 152 Norman Avenue | BK | 6 | A |
| 379 Menahan Street | BK | 6 | A |
| 2041 Palmetto Street | QN | 6 | A |
| 315 Melrose Street | BK | 6 | B |
| 155 Evergreen Avenue | BK | 6 | B |
| 223 Knickerbocker Avenue | BK | 6 | B |
| 93 Bainbridge Street | BK | 6 | A |
| 126 Bedford Avenue | BK | 5 | C |
| 240 St Nicholas Avenue | BK | 5 | D |
| 330 Rodney Street | BK | 4 | B |
| 787 Franklin Avenue | BK | 4 | C |
| 176 Delancey Street | MN | 4 | B |
| 215 Knickerbocker Avenue | BK | 4 | D |
| 211 Knickerbocker Avenue | BK | 4 | B |
| 1452 Fulton Street | BK | 3 | C |
| 1450 Fulton Street | BK | 3 | D |
| 597 Manhattan Avenue | BK | 2 | C |
Most recent mortgage recorded against this lot: $147,216 on 2025-12-23 (lender: Ridgewood Savings 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 |
|---|---|---|---|
| 2025-12-23 | AL&R $1,750,000 — from 211 KNICKERBOCKER ASSOCIATES, LLC to RIDGEWOOD SAVINGS BANK | $1,750,000 | |
| 2025-12-23 | Agreement $1,750,000 — from 211 KNICKERBOCKER ASSOCIATES, LLC to RIDGEWOOD SAVINGS BANK | $1,750,000 | |
| 2025-12-23 | Mortgage $147,217 — from 211 KNICKERBOCKER ASSOCIATES, LLC to RIDGEWOOD SAVINGS BANK | $147,217 | |
| 2015-11-17 | AL&R $2,030,000 — from 211 KNICKERBOCKER ASSOCIATES, LLC to BETHPAGE FEDERAL CREDIT UNION | $2,030,000 | |
| 2015-11-17 | M&CON $2,030,000 — from 211 KNICKERBOCKER ASSOCIATES, LLC to BETHPAGE FEDERAL CREDIT UNION | $2,030,000 | |
| 2013-03-15 | AL&R $550,000 — from 211 KNICKERBOCKER ASSOCIATES, LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH | $550,000 | |
| 2013-03-15 | Agreement $550,000 — from 211 KNICKERBOCKER ASSOCIATES, LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH | $550,000 | |
| 2012-07-18 | Deed $900,000 — from BIG APPLE REALTY GROUP, LLC to 211 KNICKERBOCKER ASSOCIATES, LLC | $900,000 | |
| 2012-07-18 | Mortgage $300,000 — from 211 KNICKERBOCKER ASSOCIATES, LLC to MILLER, ALEX | $300,000 | |
| 2012-07-18 | Mortgage $300,000 — from 211 KNICKERBOCKER ASSOCIATES, LLC to DTR CAPITAL LLC | $300,000 | |
| 2007-10-24 | Mortgage $525,000 — from BIG APPLE REALTY GROUP, LLC. to WASHINGTON MUTUAL BANK | $525,000 | |
| 2007-01-31 | Deed $535,000 — from SBLANO AS GUARDIAN, BRUNO; SBLANO, VITO to BALAKHANEI, KAMRAN | $535,000 | |
| 1989-09-15 | Mortgage $50,000 — from PANZOK, RON; ADIKA, DAVID to SECOND COMMRL FUND INC | $50,000 | |
| 1988-02-26 | Mortgage $90,000 — from ADIKA, DAVID; PANZOK, RON to SBALNO, CECELIA; SBLANO, VITO | $90,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 1 | 28 | 0 | 2 | 31 |
| 2018 | 1 | 2 | 38 | 0 | 2 | 43 |
| 2019 | 1 | 11 | 7 | 0 | 2 | 21 |
| 2020 | 2 | 5 | 6 | 0 | 0 | 13 |
| 2021 | 3 | 3 | 20 | 0 | 2 | 28 |
| 2022 | 0 | 0 | 5 | 0 | 2 | 7 |
| 2023 | 0 | 5 | 3 | 0 | 3 | 11 |
| 2024 | 0 | 1 | 3 | 0 | 3 | 7 |
| 2025 | 0 | 0 | 7 | 5 | 2 | 14 |
| 2026 | 0 | 0 | 33 | 0 | 2 | 35 |
Every one of the 428 recorded events, 1973–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11237 · Landlord rankings · How grades work · The map · The Mice Map