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
this building
A
C
Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more
Open with the city right now
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.
Patterns
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
What 311 hears from this address
5 service requests in the last three years. Most common: Air Quality (2) · Real Time Enforcement (1) · Street Condition (1) · Hazardous Materials (1).
Filed construction activity
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.
Rent-stabilization signals
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 with HPD — the names behind the building
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
What the city thinks it's worth
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.
Flood exposure
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.
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.
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
Ten-year activity
20100
2017
2018
2019
2020
2021
2022
2023
2024
13
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
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
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HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
The full timeline
2026
2026-06-23Bedbug filing: 0 infested units
2026-05-27DOB complaint, category ?
2026-04-30HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2025
2025-09-26311: Air Quality — Air: Dust, Construction/Demolition (AE4)
2025-09-19CDEC — from 350 PS LLC
2025-09-19MAPS — from 350 6TH AVENUE CONDOMINIUM
2025-07-01Permit General Construction — Permit Issued
2025-06-05HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2025-04-07Permit Mechanical Systems — Signed-off
2025-03-03CORRM $1,300,000 — from 350 PS LLC to S3 REAL ESTATE CREDIT II TRUST$1,300,000
2025-02-05311: Air Quality — Air: Odor/Fumes, Vehicle Idling (AD3)
2025-02-05311: Hazardous Materials — Chemical Odor (HD1)
2025-02-05311: Street Condition — Blocked - Construction
2025-01-22Permit Plumbing — Signed-off
2025-01-13ZONE — from 350 PS LLC
2025-01-13CERT — from CHELSEA TITLE AGENCY, LLC
2024
2024-12-27Permit General Construction — Permit Issued
2024-10-30Mortgage satisfied — from SICONOLFI, PATRICIA to MORTGAGE ELECTRONIC REGISTRATION SYSTEMS; HSBC MORTGAGE CORPORATION (USA); HSBC BANK USA,
2024-10-16Mortgage $1,300,000 — from 350 PS LLC to S3 SB REAL ESTATE CREDIT II TRUST$1,300,000
2024-10-16Deed $3,750,000 — from SICONOLFI, PATRICIA to 350 PS LLC$3,750,000
2024-10-16Mortgage $2,600,000 — from 350 PS LLC to S3 SB REAL ESTATE CREDIT II TRUST$2,600,000
2024-10-16AL&R $1,300,000 — from 350 PS LLC to S3 SB REAL ESTATE CREDIT II TRUST$1,300,000
2024-10-16AL&R $2,600,000 — from 350 PS LLC to S3 SB REAL ESTATE CREDIT II TRUST$2,600,000
2024-09-27311: Real Time Enforcement — Work Without A Permit - Occupied Multiple Dwelling
2024-09-27DOB complaint, category ?
2024-09-18Sold for $3,750,000$3,750,000
2023
2023-12-30Bedbug filing: 0 infested units
2023-03-20HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2023-02-15311: Damaged Tree — Branch or Limb Has Fallen Down
2023-02-15311: Dead/Dying Tree — Planted More Than 2 Years Ago
2022
2022-09-03311: Abandoned Bike — Chained to Public Property
2022-07-11Bedbug filing: 0 infested units
2022-05-23311: New Tree Request — For One Address
2021
2021-12-16Bedbug filing: 0 infested units
2021-04-24311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2021-04-14Bedbug filing: 0 infested units
2021-04-05HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2020
2020-05-08311: Rodent — Rat Sighting
2019
2019-12-06311: General Construction/Plumbing — Adjacent Buildings Not Protected
2019-12-06DOB complaint, category ?
2019-11-08Rodent inspection: Passed
2019-08-19311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2015-10-06HPD class I: SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THER
2015-02-05HPD class I: SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THER
2015-01-12311: Water Quality — Defective Water Sampling Station (QSS)
2014
2014-03-06Mortgage assigned — from MERS , AS NOMINEE; HSBC MORTGAGE CORP to HSBC BANK USA NA; MERS , AS NOMINEE
2014-03-06Mortgage $14,983 — from SICONOLFI, PATRICIA to MERS AS NOMINEE$14,983
2014-03-06Agreement $446,500 — from SICONOLFI, PATRICIA to MERS AS NOMINEE$446,500
2013
2013-03-15Mortgage satisfied — from SICONOLFI, PATRICIA to CITIBANK, N.A.