The city's published records show little recorded distress here in the last three years. Less recorded distress than 100% 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 0. In ZIP 10031, 40% of residential buildings hold an A and
14% grade D or F.
How grades work
this building
A
B
C
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
Open with the city right now
Open HPD violations
5 total — 2 class C (immediately hazardous), 1 class B, 2 class A. Oldest open since 1986-11-07.
status snapshot refreshed weekly from HPD records
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
6 service requests in the last three years. Most common: Noise (4) · Overgrown Tree/Branches (1) · Street Light Condition (1).
Filed construction activity
$46,870 in permitted construction work filed since
2016 (1 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.
Rent-stabilization signals
Yes
Built before 1974 (1892)
Yes
Six or more residential units (8)
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 with HPD — the names behind the building
Registered owner(s)
MAYFIELD CAPITAL LLC AND COSAR CAPITAL AS TIC
Head officer
ALEX YELON
Managing agent
BUILDING EQUITY MANAGEMENT LLC
Last registered
2026-07-29
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
$910,000
$409,500
2026
$971,000
$436,950
2027
$777,000
$349,650
The city's market estimate has fallen
15% 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.
Getting around
Subway
145 St — A B C D · 350 ft straight-line (about a 2-minute walk) · station accessibility: none 145 St — 1 · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none
Bus
Nearest boarding stop: Saint Nicholas Av / W 148 St — M3 · 350 ft
Citi Bike
W 148 St & Amsterdam Ave · 500 ft · station location as of 2026-09-23; live availability
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.
6 311 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: $437,520 on
2022-06-02 (lender: First Republic 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
2022-06-02
AL&R $1,050,000 — from COSAR CAPITAL LLC; MAYFIELD CAPITAL LLC to FIRST REPUBLIC BANK
$1,050,000
2022-06-02
Agreement $1,050,000 — from COSAR CAPITAL LLC; MAYFIELD CAPITAL LLC to FIRST REPUBLIC BANK
$1,050,000
2022-06-02
Mortgage $437,521 — from MAYFIELD CAPITAL LLC; COSAR CAPITAL LLC to FIRST REPUBLIC BANK
$437,521
2022-06-02
Mortgage $612,479 — from COSAR CAPITAL LLC; MAYFIELD CAPITAL LLC to FIRST REPUBLIC BANK
$612,479
2022-06-02
Agreement $3,402,479 — from COSAR CAPITAL LLC; CHICAMA HOLDINGS LLC to FIRST REPUBLIC BANK
$3,402,479
2017-12-04
Agreement $3,725,000 — from COSAR CAPITAL LLC; CHICAMA HOLDINGS LLC to SANTANDER BANK, N.A.
$3,725,000
2017-12-04
Mortgage $951,750 — from CHICAMA HOLDINGS LLC; COSAR CAPITAL LLC to SANTANDER BANK, N.A.
$951,750
2015-06-22
Agreement $1,247,734 — from COSAR CAPITAL LLC; CONVENT AVENUE, LLC; CHICAMA HOLDINGS LLC; SARSHAR, HOUMAN to SANTANDER BANK, N.A.
$1,247,734
2015-06-22
Agreement $1,685,959 — from CHICAMA HOLDINGS LLC; CONVENT AVENUE, LLC; COSAR CAPITAL LLC; SARSHAR, HOUMAN to SANTANDER BANK, N.A.
$1,685,959
2014-12-15
Mortgage $1,700,000 — from CONVENT AVENUE, LLC to SANTANDER BANK, N.A.
$1,700,000
2010-11-18
Mortgage $105,577 — from CONVENT AVENUE, LLC to SOVEREIGN BANK
$105,577
2010-11-18
Agreement $1,350,000 — from CONVENT AVENUE, LLC to SOVEREIGN BANK
$1,350,000
2007-07-16
Mortgage $474,186 — from CONVENT AVENUE, LLC to THE FIRST NATIONAL BANK OF LONG ISLAND
$474,186
2007-07-16
Agreement $1,300,000 — from CONVENT AVENUE, LLC to THE FIRST NATIONAL BANK OF LONG ISLAND
$1,300,000
2007-07-16
AL&R $1,300,000 — from CONVENT AVENUE, LLC to THE FIRST NATIONAL BANK OF LONG ISLAND
$1,300,000
Ten-year activity
20100
2017
2018
2019
2020
2021
16
2022
2023
2024
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
Year
Construction
Enforcement
Housing & tenants
Ownership & money
Health & systems
Total
2017
0
0
9
2
3
14
2018
0
1
3
0
2
6
2019
3
0
7
0
1
11
2020
0
0
4
0
1
5
2021
0
0
6
1
2
9
2022
0
1
3
9
3
16
2023
0
0
4
0
3
7
2024
0
0
1
2
3
6
2025
0
0
4
0
3
7
2026
0
0
3
0
2
5
This record is free. Keeping it free costs money. Servers, data pipelines, weekends. Pay what you want — a dollar helps.
2024-05-10Mortgage assigned — from JPMORGAN CHASE BANK N A; FEDERAL DEPOSIT INSURANCE CORPORATION; FIRST REPUBLIC BANK SAN FR to JPMORGAN CHASE BANK NATIONAL ASSOCIATION
2024-05-10Mortgage assigned — from JPMORGAN CHASE BANK N A; FEDERAL DEPOSIT INSURANCE CORPORATION; FIRST REPUBLIC BANK SAN FR to JPMORGAN CHASE BANK NATIONAL ASSOCIATION
2019-05-08Job filed: INTERIOR RENOVATION OF APARTMENT INCLUDING REPLACEMENT OF FIXTURES, FINISHES & EQUIPMENT. NO CHANGE IN USE, EGRESS, BULK OR OCCUPANCY$46,870
2019-04-03311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2019-03-31311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2019-01-17311: Noise — Noise: Construction Before/After Hours (NM1)
2019-01-10Boiler inspection
2018
2018-11-21311: Water System — Hydrant Leaking (WC1)
2018-11-14Rodent inspection: Passed
2018-09-23311: New Tree Request — For One Address
2018-05-23311: New Tree Request — For One Address
2018-05-04Boiler inspection
2018-04-06DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT
2017
2017-12-22Rodent inspection: Passed
2017-12-04Agreement $3,725,000 — from COSAR CAPITAL LLC; CHICAMA HOLDINGS LLC to SANTANDER BANK, N.A.$3,725,000
2017-12-04Mortgage $951,750 — from CHICAMA HOLDINGS LLC; COSAR CAPITAL LLC to SANTANDER BANK, N.A.$951,750
2017-10-18HPD class A: § 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX SIGN
2017-10-18HPD class A: § 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGE
2017-10-18HPD class A: § 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON
2017-10-18HPD class A: § 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND
2017-10-18HPD class A: § 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM
2017-10-16311: APPLIANCE — ELECTRIC/GAS RANGE
2017-10-16311: APPLIANCE — ELECTRIC/GAS RANGE
2017-10-16Tenant complaint: APPLIANCE — ELECTRIC/GAS RANGE
2017-10-16Tenant complaint: APPLIANCE — ELECTRIC/GAS RANGE
2017-08-21Boiler inspection
2017-03-27Rodent inspection: Passed
2016
2016-09-02FDNY inspection (RISK)
2016-05-19HPD class B: SECTION 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM AT LEAST 1 WINDOW OR PROVIDE APPROVED T
2016-04-01HPD class B: SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). (DEFECTIVE) LOCATED AT BSMT-APT 1A, 1st BSMT-APT FROM NORT
2016-04-01HPD class B: SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR (DEFECTIVE) LOCATED AT BSMT-APT 1A, 1st BSMT-APT FROM NORTH AT EAST
2016-04-01HPD class A: SECTION 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BO
2016-04-01HPD class B: SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE 1st ROOM FROM EAS
2016-04-01HPD class C: § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT THE CEILING, AT BASEMENT APARTMENT IN THE BATHROOM
2016-04-01HPD class C: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING AT BASEMENT APARTMENT IN THE B
2016-03-27311: WATER LEAK — HEAVY FLOW
2016-03-27Tenant complaint: WATER LEAK — HEAVY FLOW
2016-03-23Rodent inspection: Passed
2016-03-23HPD class B: SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFETIVE LOCATED AT APT 4B, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
2016-03-23HPD class B: SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE LOCATED AT APT 4B, 3rd STORY, 1st APARTMENT FROM
2016-01-22HPD class C: § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDING MAXIMUM TEMPERTURE OF 130 DEGREES AT HOT WATER FIXTURE
2016-01-22HPD class C: SECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF AN IRON GATE WITH PADLOCK POTENTIAL AT APARTMENT DOOR ''INTERIOR'' I
2016-01-20311: HEAT/HOT WATER — APARTMENT ONLY
2016-01-20Tenant complaint: HEAT/HOT WATER — APARTMENT ONLY
2015-11-14Tenant complaint: HEAT/HOT WATER — APARTMENT ONLY
2015-10-03311: HEAT/HOT WATER — ENTIRE BUILDING
2015-10-03Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2015-07-27Rodent inspection: Passed
2015-06-22Deed — from CONVENT AVENUE, LLC to COSAR CAPITAL LLC; CHICAMA HOLDINGS LLC
2015-06-22Agreement $1,247,734 — from COSAR CAPITAL LLC; CONVENT AVENUE, LLC; CHICAMA HOLDINGS LLC; SARSHAR, HOUMAN to SANTANDER BANK, N.A.$1,247,734
2015-06-22Agreement $1,685,959 — from CHICAMA HOLDINGS LLC; CONVENT AVENUE, LLC; COSAR CAPITAL LLC; SARSHAR, HOUMAN to SANTANDER BANK, N.A.$1,685,959
2015-02-17311: HEAT/HOT WATER — APARTMENT ONLY
2015-02-17Tenant complaint: HEAT/HOT WATER — APARTMENT ONLY
2015-02-14311: HEAT/HOT WATER — ENTIRE BUILDING
2015-02-14Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2015-02-03HPD 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
2014
2014-12-15Mortgage $1,700,000 — from CONVENT AVENUE, LLC to SANTANDER BANK, N.A.$1,700,000
2014-11-19311: WATER LEAK — HEAVY FLOW
2014-11-19311: WATER LEAK — HEAVY FLOW
2014-11-19311: WATER LEAK — HEAVY FLOW
2014-11-19Tenant complaint: WATER LEAK — HEAVY FLOW
2014-11-19Tenant complaint: WATER LEAK — HEAVY FLOW
2014-11-19Tenant complaint: WATER LEAK — HEAVY FLOW
2014-10-20311: Damaged Tree — Branch Cracked and Will Fall
2014-10-13311: Overgrown Tree/Branches — Dead Branches in Tree
2014-08-29Rodent inspection: Passed
2014-02-08311: HEATING — HEAT
2014-02-08Tenant complaint: HEATING — HEAT RELATED
2013
2013-11-12311: HEATING — HEAT
2013-11-12Tenant complaint: HEATING — HEAT RELATED
2013-07-18Rodent inspection: Passed
2013-06-01311: GENERAL CONSTRUCTION — LOCKS
2013-06-01Tenant complaint: GENERAL — LOCKS
2012
2012-10-20HPD class B: SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE
2012-10-20HPD class C: SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE 1st ROOM FROM NORTH L
2012-10-19311: HEATING — HEAT
2012-10-19Tenant complaint: HEATING — HEAT RELATED
2012-10-17311: HEATING — HEAT
2012-10-17Tenant complaint: HEATING — HEAT RELATED
2012-06-13Rodent inspection: Passed
2012-06-02311: Overgrown Tree/Branches — Dead Branches in Tree
2011
2011-10-19Permit EW — ISSUED
2011-08-02Job filed: INSTALLATION OF (30) SHARP 240 SOLAR PANELS ON EXISTING ROOF , ALL AS PER PLANS NO CHANGE IN USE EGREES OR OCCUPANCY.$11,328
2011-08-02Job filed: INSTALLATION OF (30) SHARP 240 SOLAR PANELS ON EXISTING ROOF , ALL AS PER PLANS NO CHANGE IN USE EGREES OR OCCUPANCY.$11,328
2011-04-16311: HEATING — HEAT
2011-04-16Tenant complaint: HEATING — HEAT RELATED
2011-03-30Rodent inspection: Passed
2010
2010-11-18Mortgage $105,577 — from CONVENT AVENUE, LLC to SOVEREIGN BANK$105,577
2010-11-18Agreement $1,350,000 — from CONVENT AVENUE, LLC to SOVEREIGN BANK$1,350,000
2010-11-18Mortgage assigned — from THE FIRST NATIONAL BANK OF LONG ISLAND to SOVEREIGN BANK
2010-11-18REL — from THE FIRST NATIONAL BANK OF LONG ISLAND to CONVENT AVENUE, LLC
2010-03-01Rodent inspection: Passed
2009
2009-07-17HPD class A: SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT WALLS AND CEILING IN THE ENTIRE APARTMENT LOC
2007-07-16TL&R — from ASTORIA FEDERAL SAVINGS AND LOAN ASSOCIA to CONVENT AVENUE, LLC
2007-07-16Mortgage $474,186 — from CONVENT AVENUE, LLC to THE FIRST NATIONAL BANK OF LONG ISLAND$474,186
2007-07-16Mortgage assigned — from ASTORIA FEDERAL SAVINGS AND LOAN ASSOCIA to THE FIRST NATIONAL BANK OF LONG ISLAND
2007-07-16Agreement $1,300,000 — from CONVENT AVENUE, LLC to THE FIRST NATIONAL BANK OF LONG ISLAND$1,300,000
2007-07-16AL&R $1,300,000 — from CONVENT AVENUE, LLC to THE FIRST NATIONAL BANK OF LONG ISLAND$1,300,000
2005
2005-10-30DOB complaint, category ?
2003
2003-05-29AL&R $877,500 — from ASTORIA FEDERAL SAVINGS AND LOAN ASSOCIA to CONVENT AVENUE,LLC$877,500
2003-05-29TL&R — from ASTORIA FEDERAL SAVINGS AND LOAN ASSOCIA to CONVENT AVENUE,LLC
2003-05-29M&CON $252,739 — from CONVENT AVENUE,LLC to ASTORIA FEDERAL SAVINGS AND LOAN ASSOCIA$252,739
2003-03-19DOB violation LL6291:
2002
2002-03-26DOB violation LL6291:
2002-02-27WSAT — from BARON, LAURENCE; BARON ASSOCIATES; BARON, DENIS; BARON, NEVILLE to AMERICAN SAVINGS ANDLOAN ASSOCIATION
2001
2001-12-12SAGE — from MONEY NOW MORTGAGE CORPORATION
2001-08-15SAGE — from LANDMARKS PRESERVATION COMMISSION
2001-08-02Mortgage assigned — from CONVENT AVENUE, LLC to ASTORIA FEDERAL SAVINGS & LOAN ASSOCIATI
2001-08-02Mortgage assigned — from MONEY NOW MORTGAGE CORPORATION to ASTORIA FEDERAL SAVINGS & LOAN ASSOCIATI
2001-08-02Deed — from BARON, LILLIAN B. ASADMINISTRATRIX; BARON, NEVILLE; BARON, LAURENCE; BARON, LAURENCE ARTHU to CONVENT AVENUE LLC
2001-08-02Mortgage $289,630 — from CONVENT AVENUE, LLC to ASTORIA FEDERAL SAVINGS & LOAN ASSOCIATI$289,630
2001-02-27DOB violation LL6291:
2000
2000-01-21Deed — from BARON, DENIS G. to BARON, LAURENCE; BARON, NEVILLE
2000-01-21Mortgage assigned — from FIRST NATIONAL BANKAS TRUSTEE to MONEYNOW MORTGAGE CORPORATION
2000-01-21Agreement — from BARON, LAURENCE; BARON, NEVILLE to MONEYNOW MORTGAGE CORPORATION
2000-01-21SAGE — from FIRST NATIONAL BANKOF CHICAGO, AS TRUSTE
2000-01-21Mortgage assigned — from BARON, NEVILLE; BARON, LAURENCE to MONEY NOW MORTGAGE CORPORATION
2000-01-21PAT — from BARON, NEVILLE A. to WOOTEN, WILLIAM J.
2000-01-21Mortgage $134,448 — from BARON, NEVILLE; BARON, LAURENCE to MONEYNOW MORTGAGE CORPORATION$134,448
1997
1997-06-23ATL — from BANK OF NEW YORK to CITY OF NEW YORK
1996
1996-12-09Mortgage assigned — from AMERICAN SAVINGS ANDLOAN ASSOCIATION to FIRST NATIONAL BANKOF CHICAGO AS TRUSTEE
1996-12-09Mortgage assigned — from AMERICAN SAVINGS ANDLOAN ASSOCIATION to FIRST SAVINGS AND LOAN ASSOCIATION
1996-06-12TLS — from CITY OF NEW YORK to BANK OF NEW YORK
1988
1988-07-12Mortgage $275,000 — from BARON, DENIS G; BARON ASSOCS DBA; BARON, NEVILLE; BARON, LAURENCE to AMERICAN SVGS&LN ASSN$275,000
1988-07-12Mortgage assigned — from BARON ASSOCS; BARON, LAURENCE; BARON, DENIS G; BARON, NEVILLE to AMERICAN SVGS&LN ASN
1986
1986-11-07HPD class C: D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO H