765 recorded events, 1900–2026, from 15 city data systems. The city's paper trail here is mostly 569 ACRIS deeds & mortgages, 59 DOB violations, 38 DOF property sales.
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 66% 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. In ZIP 11205, 49% of residential buildings hold an A and 13% 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.
4 service requests in the last three years. Most common: Noise (2) · Real Time Enforcement (1) · Illegal Parking (1).
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 (20) |
| 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) | 159 CLASSON AVE CONDOMINIUM |
| Head officer | IRVING SCHWARTZBAUM |
| Managing agent | SEM NY CORP |
| Last registered | 2025-07-14 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $16,029 | $7,213 |
| 2026 | $416,904 | $187,607 |
| 2027 | $426,399 | $191,880 |
The city's market estimate has risen 2560% between tax years 2025 and 2027.
Tax exemptions on the roll: 421A 25 YR NO CAP
For property tax, the Department of Finance values this condo as if it were a rental building. Its 2023 estimate: gross income $1,270,578 a year ($33.68 per sq ft), operating expenses $571,911 ($15.16 per sq ft), net operating income $698,667. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | A — ENERGY STAR score 99/100 (2022 disclosure cycle) |
| 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.
1 street-flooding or sewer-backup complaints at this address since 2017 (0 in the last three years).
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | Classon Av — G · 0.5 mi straight-line (about a 12-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Classon Av / Park Av — B48 B62 · 350 ft |
| Citi Bike | Emerson Pl & Myrtle Ave · 800 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S./I.S. 157 The Benjamin Franklin Health & Science Academy. 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.
159 Classon 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 |
| Anything else | Anything else |
4 311 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 SEM NY CORP — 37 buildings, 790 units. Grades across the portfolio: A32 · B2 · D3. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 948 Myrtle Avenue | BK | 101 | B |
| 580 Wythe Avenue | BK | 68 | A |
| 525 Kent Avenue | BK | 66 | A |
| 859 Myrtle Avenue | BK | 62 | A |
| 570 Wythe Avenue | BK | 48 | A |
| 567 Marcy Avenue | BK | 40 | A |
| 7 Whipple Street | BK | 25 | A |
| 58 Gerry Street | BK | 23 | A |
| 34 South 9 Street | BK | 21 | A |
| 43 South 10 Street | BK | 21 | A |
| 159 Classon Avenue | BK | 20 | A |
| 40 South 9 Street | BK | 20 | A |
| 23 Heyward Street | BK | 19 | B |
| 801 Bedford Avenue | BK | 18 | A |
| 814 Bedford Avenue | BK | 17 | A |
| 210 Middleton Street | BK | 16 | A |
| 24 Middleton Street | BK | 16 | A |
| 177 Taylor Street | BK | 14 | A |
| 8 Lynch Street | BK | 14 | A |
| 115 Wallabout Street | BK | 14 | A |
| 24 Lynch Street | BK | 14 | A |
| 1 Middleton Street | BK | 14 | A |
| 730 Bedford Avenue | BK | 13 | A |
| 116 Skillman Street | BK | 12 | A |
| 15 Lynch Street | BK | 12 | A |
| 5 Lorimer Street | BK | 12 | A |
| 242 Wallabout Street | BK | 10 | A |
| 504 Park Avenue | BK | 9 | A |
| 54 Skillman Street | BK | 9 | A |
| 892 Bedford Avenue | BK | 8 | A |
| 113 South 8 Street | BK | 8 | A |
| 460 Bedford Avenue | BK | 6 | A |
| 639 Myrtle Avenue | BK | 6 | A |
| 821 Bedford Avenue | BK | 5 | A |
| 890 Bedford Avenue | BK | 4 | D |
| 254 Skillman Street | BK | 3 | D |
| 265 Skillman Street | BK | 2 | D |
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-06-17 | Mortgage $1,500,000 — from 159 CLASSON 4C LLC to THE MOSKOVICS FAMILY FOUNDATION | $1,500,000 | |
| 2024-12-18 | Mortgage $615,000 — from GREEN, ARON to CITIZENS BANK, N.A | $615,000 | |
| 2024-04-26 | Mortgage $290,000 — from FREIDMAN, MAYER; FRIEDMAN, RIVKA C to CITIZENS BANK NA | $290,000 | |
| 2023-09-26 | Deed $38,000 — from HOFFMAN ASSOC LLC to AUSIM CLASSON LLC | $38,000 | |
| 2023-07-05 | Sold for $38,000 | $38,000 | $1,900 |
| 2023-05-24 | Deed $65,000 — from HOFFMAN ASSOC LLC to PARKE VIEW LLC | $65,000 | |
| 2023-05-24 | Deed $60,000 — from HOFFMAN ASSOC LLC to CLASSON VIEW LLC | $60,000 | |
| 2023-05-08 | Deed $741,532 — from HOFFMAN ASSOC LLC to 143 REC 2 LLC | $741,532 | |
| 2023-05-03 | Deed $50,000 — from HOFFMAN ASSOC LLC to 143 P1 LLC | $50,000 | |
| 2023-05-03 | Deed $683,468 — from HOFFMAN ASSOC LLC to 143 REC 1 LLC | $683,468 | |
| 2023-05-03 | Deed $683,468 — from HOFFMAN ASSOC LLC to 143 REC 1 LLC | $683,468 | |
| 2023-04-20 | Sold for $683,468 | $683,468 | $34,173 |
| 2023-04-20 | Sold for $683,468 | $683,468 | $34,173 |
| 2023-04-20 | Sold for $50,000 | $50,000 | $2,500 |
| 2023-04-20 | Sold for $741,532 | $741,532 | $37,077 |
| Year | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 2 | 3 | 8 | 0 | 13 |
| 2018 | 1 | 3 | 14 | 0 | 18 |
| 2019 | 2 | 11 | 10 | 0 | 23 |
| 2020 | 1 | 0 | 11 | 1 | 13 |
| 2021 | 2 | 5 | 20 | 0 | 27 |
| 2022 | 1 | 9 | 15 | 1 | 26 |
| 2023 | 5 | 2 | 30 | 0 | 37 |
| 2024 | 2 | 3 | 4 | 1 | 10 |
| 2025 | 1 | 2 | 2 | 2 | 7 |
| 2026 | 0 | 1 | 1 | 1 | 3 |
Every one of the 765 recorded events, 1900–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11205 · Landlord rankings · How grades work · The map · The Mice Map