73 recorded events, 1967–2026, from 8 city data systems. The city's paper trail here is mostly 27 311 service requests, 24 ACRIS deeds & mortgages, 6 HPD housing violations.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. More recorded distress than 81% 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 5. 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.
5 service requests in the last three years. Most common: Air Quality (2) · Real Time Enforcement (1) · Street Condition (1) · Hazardous Materials (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.
| Yes | Built before 1974 (1920) |
| 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) | 350 6th Avenue Condominium |
| Head officer | Alex Guttler |
| Managing agent | Daniel Sabillon Management Corp |
| Last registered | 2026-05-12 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,417,000 | $1,087,650 |
| 2026 | $2,576,000 | $1,159,200 |
| 2027 | $2,916,000 | $1,312,200 |
The city's market estimate has risen 21% between tax years 2025 and 2027.
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.
350 6 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 |
5 311 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 DANIEL SABILLON MANAGEMENT CORP — 18 buildings, 504 units. Grades across the portfolio: A16 · B1 · C1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 2525 West 2 Street | BK | 180 | A |
| 3111 Ocean Parkway | BK | 116 | A |
| 3041 Ocean Avenue | BK | 40 | A |
| 2443 Ocean Avenue | BK | 29 | A |
| 92 Prospect Park West | BK | 18 | A |
| 702 Ocean Parkway | BK | 15 | A |
| 2523 Ocean Avenue | BK | 15 | A |
| 187 13 Street | BK | 14 | A |
| 464 67 Street | BK | 12 | A |
| 2806 East 23 Street | BK | 12 | A |
| 252 Greene Avenue | BK | 12 | A |
| 454 15 Street | BK | 8 | C |
| 61 Herbert Street | BK | 8 | A |
| 2921 Brighton 1st Street | BK | 7 | A |
| 1775 East 17 Street | BK | 6 | A |
| 55 Summit Street | BK | 5 | A |
| 350 6 Avenue | BK | 4 | A |
| 174 Richardson Street | BK | 3 | B |
Most recent mortgage recorded against this lot: $1,300,000 on 2024-10-16 (lender: S3 Sb Real Estate Credit II Trust). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-03-03 | CORRM $1,300,000 — from 350 PS LLC to S3 REAL ESTATE CREDIT II TRUST | $1,300,000 | |
| 2024-10-16 | Mortgage $1,300,000 — from 350 PS LLC to S3 SB REAL ESTATE CREDIT II TRUST | $1,300,000 | |
| 2024-10-16 | Deed $3,750,000 — from SICONOLFI, PATRICIA to 350 PS LLC | $3,750,000 | |
| 2024-10-16 | Mortgage $2,600,000 — from 350 PS LLC to S3 SB REAL ESTATE CREDIT II TRUST | $2,600,000 | |
| 2024-10-16 | AL&R $1,300,000 — from 350 PS LLC to S3 SB REAL ESTATE CREDIT II TRUST | $1,300,000 | |
| 2024-10-16 | AL&R $2,600,000 — from 350 PS LLC to S3 SB REAL ESTATE CREDIT II TRUST | $2,600,000 | |
| 2024-09-18 | Sold for $3,750,000 | $3,750,000 | $937,500 |
| 2014-03-06 | Mortgage $14,983 — from SICONOLFI, PATRICIA to MERS AS NOMINEE | $14,983 | |
| 2014-03-06 | Agreement $446,500 — from SICONOLFI, PATRICIA to MERS AS NOMINEE | $446,500 | |
| 2006-07-07 | Mortgage $45,000 — from SICONOLFI, PATRICIA to CITIBANK, N.A. | $45,000 | |
| 2005-06-16 | Mortgage $498,500 — from SICONOLFI, PATRICIA to MERS, INC. | $498,500 | |
| 2001-07-16 | Mortgage $499,000 — from SCIONOLFI, PATRICIA to HSBC MORTGAGE CORPORATION (USA) | $499,000 | |
| 1997-12-15 | Mortgage $24,000 — from SICONOLFI, PATRICIA to CHASE MANHATTAN BANK | $24,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 2 | 0 | 0 | 2 |
| 2018 | 0 | 0 | 9 | 0 | 0 | 9 |
| 2019 | 0 | 1 | 2 | 0 | 1 | 4 |
| 2020 | 0 | 0 | 1 | 0 | 0 | 1 |
| 2021 | 0 | 0 | 4 | 0 | 0 | 4 |
| 2022 | 0 | 0 | 3 | 0 | 0 | 3 |
| 2023 | 0 | 0 | 4 | 0 | 0 | 4 |
| 2024 | 1 | 1 | 1 | 7 | 0 | 10 |
| 2025 | 3 | 0 | 5 | 5 | 0 | 13 |
| 2026 | 0 | 1 | 2 | 0 | 0 | 3 |
Every one of the 73 recorded events, 1967–2026, is laid out year by year in the full report (print-ready).
Explore: Landlord rankings · How grades work · The map · The Mice Map