1,500 recorded events, 1976–2026, from 18 city data systems. The city's paper trail here is mostly 581 HPD complaints, 534 311 service requests, 184 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 62% of 25-99-unit residential buildings citywide. The citywide median for 25-99-unit residential buildings is 23.6 penalty points per 10 units; this building carries 43.8. In ZIP 11226, 60% of residential buildings hold an A and 10% grade D or F. How grades work
Among 17,252 25-99-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 16 total — 15 class C (immediately hazardous), 1 class B, 0 class A. Oldest open since 2022-07-16. |
status snapshot refreshed weekly from HPD records
46 heat or hot-water complaints in the last three years (winter 2023–24: 24 · winter 2024–25: 8 · winter 2025–26: 12). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
77 service requests in the last three years. Most common: Noise (29) · HEAT/HOT WATER (21) · WATER LEAK (4) · PAINT/PLASTER (3) · DOOR/WINDOW (2) · UNSANITARY CONDITION (2).
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.
| Yes | Built before 1974 (1928) |
| Yes | Six or more residential units (58) |
| 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) | Clarkson 135, LLC |
| Head officer | Scott Silverman |
| Managing agent | Bronstein Properties LLC |
| Last registered | 2025-08-20 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $4,295,000 | $1,932,750 |
| 2026 | $4,939,000 | $2,222,550 |
| 2027 | $4,257,000 | $1,915,650 |
The city's market estimate has fallen 1% between tax years 2025 and 2027.
| Energy grade (LL33) | C — ENERGY STAR score 64/100 (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
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 | Winthrop St — 2 5 · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none Parkside Av — Q · 0.3 mi straight-line (about a 9-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Clarkson Av / Bedford Av — B12 · 250 ft |
| Citi Bike | Bedford Ave & Lenox Rd · 650 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 092 Adrian Hegeman Middle: Parkside Preparatory 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.
135 Clarkson 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 |
77 311 service requests from this address in the last three years — 21 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 BRONSTEIN PROPERTIES LLC — 140 buildings, 5,632 units. Grades across the portfolio: A56 · B52 · C20 · D11 · F1. See the whole portfolio
showing 60 of 140 buildings
Most recent mortgage recorded against this lot: $901,742 on 2020-08-31 (lender: Capital One, National Association), covering 8 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 |
|---|---|---|---|
| 2024-07-05 | RPTT&RET $6,362,996 — from 5B REALTY COMPANY LLC to FIVE BOROUGHS HOLDINGS LLC | $6,362,996 | |
| 2024-07-03 | RPTT&RET $1,122,882 — from BRONSTEIN EQUITIES LLC to FIVE BOROUGHS HOLDINGS LLC | $1,122,882 | |
| 2020-08-31 | AL&R $40,000,000 — from DITMAS PARK 2212 LLC; PROSPECT 446 LLC; CLARKSON 135 LLC; DITMAS PARK 19 LLC; DITMAS PARK to CAPITAL ONE, NATIONAL ASSOCIATION | $40,000,000 | |
| 2020-08-31 | Mortgage $901,742 — from PROSPECT 446 LLC; CATON 6064 LLC; DITMAS PARK 2212 LLC; PROSPECT 21ST LLC; DITMAS PARK 18 to CAPITAL ONE, NATIONAL ASSOCIATION | $901,742 | |
| 2020-08-31 | Agreement $40,000,000 — from DITMAS PARK 19 LLC; PROSPECT 21ST LLC; CLARKSON 135 LLC; DITMAS PARK 18 LLC; CATON 6064 LL to CAPITAL ONE, NATIONAL ASSOCIATION | $40,000,000 | |
| 2019-12-03 | RPTT $7,204,129 — from COMMINGLED PENSION TRUST FUND (SSP) to SSPF REIT 1 LLC | $7,204,129 | |
| 2015-12-16 | AL&R $2,050,000 — from CLARKSON 135 LLC to CAPITAL ONE, NATIONAL ASSOCIATION | $2,050,000 | |
| 2015-12-16 | Agreement $5,700,000 — from CLARKSON 135 LLC to CAPITAL ONE, NATIONAL ASSOCIATION | $5,700,000 | |
| 2015-12-16 | Mortgage $2,050,000 — from CLARKSON 135 LLC to CAPITAL ONE, NATIONAL ASSOCIATION | $2,050,000 | |
| 2013-08-21 | Mortgage $1,657,026 — from CLARKSON 135 LLC to CAPITAL ONE, NATIONAL ASSOCIATION | $1,657,026 | |
| 2013-08-21 | Agreement $5,700,000 — from CLARKSON 135 LLC to CAPITAL ONE, NATIONAL ASSOCIATION | $5,700,000 | |
| 2013-08-21 | AL&R $5,700,000 — from CLARKSON 135 LLC to CAPITAL ONE, NATIONAL ASSOCIATION | $5,700,000 | |
| 2011-02-18 | AL&R $4,200,000 — from CLARKSON 135 LLC to SIGNATURE BANK | $4,200,000 | |
| 2011-02-18 | Mortgage $874,150 — from CLARKSON 135 LLC to SIGNATURE BANK | $874,150 | |
| 2011-02-18 | Agreement $4,200,000 — from CLARKSON 135 LLC to SIGNATURE BANK | $4,200,000 |
| Year | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 5 | 30 | 0 | 0 | 35 |
| 2018 | 2 | 35 | 0 | 1 | 38 |
| 2019 | 2 | 122 | 1 | 6 | 131 |
| 2020 | 1 | 42 | 5 | 2 | 50 |
| 2021 | 2 | 150 | 0 | 2 | 154 |
| 2022 | 2 | 52 | 0 | 1 | 55 |
| 2023 | 0 | 69 | 0 | 1 | 70 |
| 2024 | 1 | 78 | 2 | 5 | 86 |
| 2025 | 0 | 26 | 0 | 3 | 29 |
| 2026 | 0 | 50 | 0 | 1 | 51 |
Every one of the 1,500 recorded events, 1976–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11226 · Landlord rankings · How grades work · The map · The Mice Map