115 recorded events, 1966–2025, from 12 city data systems. The city's paper trail here is mostly 19 FDNY inspections, 17 ACRIS deeds & mortgages, 17 DOB permits.
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 64% 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 8.6. In ZIP 11219, 66% of residential buildings hold an A and 5% 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.
1 service requests in the last three years. Most common: Street Condition (1).
$107,500 in permitted construction work filed since 2016 (6 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.
| No | Built before 1974 (2018) |
| Yes | Six or more residential units (7) |
| 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) | MK 1259 LLC |
| Head officer | MORDECHAI KOHN |
| Managing agent | BLUE ELM INC |
| Last registered | 2025-07-09 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,343,000 | $604,350 |
| 2026 | $1,612,000 | $725,400 |
| 2027 | $1,934,000 | $870,300 |
The city's market estimate has risen 44% between tax years 2025 and 2027.
Tax exemptions on the roll: 421A 35YR WITH AFF HOUSING PCT
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 | 50 St — D · 700 ft straight-line (about a 3-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 13 Av / 50 St — B16 · 250 ft |
| School zones (2024–25 map) | Elementary: P.S. 164 Caesar Rodney Middle: J.H.S. 223 The Montauk. 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.
1259 51 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 |
1 311 service request 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 BLUE ELM INC — 26 buildings, 150 units. Grades across the portfolio: A10 · B7 · C5 · D3 · F1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 37 South 10 Street | BK | 21 | B |
| 1319 East New York Avenue | BK | 11 | B |
| Amboy Street | BK | 9 | C |
| 156 Skillman Street | BK | 8 | A |
| 158 Rutledge Street | BK | 8 | A |
| 158 Skillman Street | BK | 8 | A |
| 231 Chester Street | BK | 7 | A |
| 997 Clarkson Avenue | BK | 7 | A |
| 1259 51 Street | BK | 7 | A |
| 280 Mac Dougal Street | BK | 6 | A |
| 1833 Park Place | BK | 6 | A |
| 275 Milford Street | BK | 6 | B |
| 127 Miller Avenue | BK | 6 | B |
| 31 Locust Street | BK | 5 | C |
| 876 Kent Avenue | BK | 4 | B |
| 490 Marion Street | BK | 3 | D |
| 678 Jamaica Avenue | BK | 3 | A |
| 492 Marion Street | BK | 3 | D |
| 680 Jamaica Avenue | BK | 3 | C |
| 221 Quincy Street | BK | 3 | F |
| 1200 Myrtle Avenue | BK | 3 | B |
| 589 Hart Street | BK | 3 | C |
| 51 Lee Avenue | BK | 3 | A |
| 1234 Myrtle Avenue | BK | 3 | D |
| 92 Pilling Street | BK | 2 | C |
| 1077 Halsey Street | BK | 2 | B |
Most recent mortgage recorded against this lot: $4,000,000 on 2021-04-28 (lender: Valley National 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 |
|---|---|---|---|
| 2021-04-28 | AL&R $4,000,000 — from MKS 1259 LLC to VALLEY NATIONAL BANK | $4,000,000 | |
| 2021-04-28 | Mortgage $4,000,000 — from MKS 1259 LLC to VALLEY NATIONAL BANK | $4,000,000 | |
| 2017-08-23 | Deed $1,250,000 — from FRIEDA BUCHINGER, AS TRUSTEE; SARAH KOHN, AS TRUSTEE; SURI KAHAN, AS TRUSTEE; RM GUARANTY to MKS 1259 LLC | $1,250,000 | |
| 1989-12-27 | Mortgage $239,950 — from MOSKOWITZ, RELLA to WILLIAMBURGH SAVS BANK | $239,950 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 3 | 1 | 0 | 4 | 0 | 8 |
| 2018 | 19 | 9 | 1 | 1 | 0 | 30 |
| 2019 | 3 | 9 | 2 | 0 | 1 | 15 |
| 2020 | 2 | 0 | 1 | 1 | 0 | 4 |
| 2021 | 0 | 2 | 2 | 2 | 0 | 6 |
| 2022 | 0 | 0 | 4 | 0 | 0 | 4 |
| 2023 | 0 | 0 | 2 | 0 | 0 | 2 |
| 2024 | 0 | 3 | 1 | 0 | 0 | 4 |
| 2025 | 0 | 0 | 4 | 0 | 0 | 4 |
| 2026 | 0 | 0 | 0 | 0 | 0 | 0 |
Every one of the 115 recorded events, 1966–2025, is laid out year by year in the full report (print-ready).
Explore: ZIP 11219 · Landlord rankings · How grades work · The map · The Mice Map