A modest record — below the level that usually signals systemic problems. More recorded distress than 60% 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 26. 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
1 total — 1 class C (immediately hazardous), 0 class B, 0 class A. Oldest open since 1986-02-12.
status snapshot refreshed weekly from HPD records
Patterns
29 heat or hot-water complaints in the last three years (winter 2024–25: 8 · winter 2025–26: 21). Repeated winter clusters suggest a chronic heating problem.
8
’24–25
21
’25–26
No bedbug-infested units reported in the last three years of filings.
What 311 hears from this address
21 service requests in the last three years. Most common: HEAT/HOT WATER (14) · Missed Collection (1) · Illegal Dumping (1) · Residential Disposal Complaint (1) · Curb Condition (1) · Non (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 (1898)
Yes
Six or more residential units (10)
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)
811 Saint Nicholas Avenue HDFC
Head officer
Kristin Flagg
Managing agent
Blue Owl Management LLC
Last registered
2026-06-08
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
$1,391,000
$625,950
2026
$1,304,000
$586,800
2027
$1,530,000
$688,500
The city's market estimate has risen
10% between tax years 2025 and 2027.
Building systems
Heating fuel
NATURALGAS
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 · 850 ft straight-line (about a 4-minute walk) · station accessibility: none
Bus
Nearest boarding stop: Saint Nicholas Av / W 150 St — M3 · 150 ft
Citi Bike
Convent Ave & W 151 St · 150 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.
21 311 service requests from this address in the last three years — 14 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.
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
2026-02-07
311: HEAT/HOT WATER — ENTIRE BUILDING
2026-02-07
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-30
311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-30
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-28
311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-28
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-05
311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-05
311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-05
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-05
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-04
311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-04
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-30
Rodent inspection: Passed
2025-12-30
311: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-30
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-17
311: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-17
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-14
311: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-14
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-08
311: Non-Residential Heat — Inadequate or No Heat
2025-12-02
311: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-02
Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-11-20
Boiler inspection
2025-11-20
Boiler inspection
2025-11-17
HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2026-04-29HPD 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
2026-02-07311: HEAT/HOT WATER — ENTIRE BUILDING
2026-02-07Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-30311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-30Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-28311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-28Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-05311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-05311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-05Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-05Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-04311: HEAT/HOT WATER — ENTIRE BUILDING
2026-01-04Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025
2025-12-30Rodent inspection: Passed
2025-12-30311: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-30Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-17311: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-17Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-14311: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-14Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-08311: Non-Residential Heat — Inadequate or No Heat
2025-12-02311: HEAT/HOT WATER — ENTIRE BUILDING
2025-12-02Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-11-20Boiler inspection
2025-11-20Boiler inspection
2025-11-17HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2025-06-27Rodent inspection: Passed
2025-01-22311: Curb Condition — Broken Curb
2025-01-20311: HEAT/HOT WATER — ENTIRE BUILDING
2025-01-20Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025-01-07311: HEAT/HOT WATER — ENTIRE BUILDING
2025-01-07Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2024
2024-12-26311: HEAT/HOT WATER — ENTIRE BUILDING
2024-12-26Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2024-12-23Rodent inspection: Passed
2024-12-22311: HEAT/HOT WATER — ENTIRE BUILDING
2024-12-22Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2024-04-01HPD 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
2023-12-22Rodent inspection: Passed
2023-11-29311: Illegal Dumping — Removal Request
2023-11-29311: Missed Collection — Bulky Trash
2023-11-15HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2023-04-05Rodent inspection: Failed for Rat Activity
2023-03-15HPD 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
2023-03-09Rodent inspection: Failed for Rat Activity
2022-08-26Rodent inspection: Failed for Rat Activity
2022-08-01RPTT&RET $359,000 — from DAWKINS, JAMES; DAWKINS, ANDREA to TEKGURLER, SELIN$359,000
2022-07-27Rodent inspection: Failed for Rat Activity
2022-07-26Sold for $359,000$359,000
2022-07-22Rodent inspection: Failed for Rat Activity
2022-07-19311: Illegal Dumping — Chronic Dumping
2022-07-07311: Rodent — Rat Sighting
2022-05-27Rodent inspection: Failed for Rat Activity
2022-03-03Boiler inspection
2022-02-16HPD 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
2021
2021-04-01HPD 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
2021-02-08Boiler inspection
2020
2020-11-02HPD class A: § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT WALLS AND CEILING, IN THE ENTIRE APARTMENT LOCATED
2020-10-05311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2020-03-17311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2020-03-14311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2020-02-18FDNY inspection (RISK)
2019
2019-11-08DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
2019-11-08DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
2019-08-20311: Homeless Person Assistance — N/A
2019-01-06311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2018
2018-12-26311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2018-12-11Boiler inspection
2018-12-11Boiler inspection
2018-11-14311: New Tree Request — For One Address
2018-11-08Rodent inspection: Passed
2018-10-09HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2018-06-15RPTT&RET $270,000 — from 811 ST. NICHOLAS AVENUE HOUSING DEV FUND to EPSTEIN, JOEL C$270,000
2018-06-13Sold for $270,000$270,000
2018-06-12311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2018-04-06DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT
2018-04-06DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT
2018-03-18311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2017
2017-12-29Rodent inspection: Passed
2017-11-06HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2017-09-25311: Lead — Lead Kit Request (Residential) (L10)
2017-09-07311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2017-05-01FDNY inspection (RISK)
2017-03-08Rodent inspection: Passed
2017-03-03311: DRIE — Miscellaneous
2017-02-24DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT
2017-02-24DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT
2017-02-02311: DRIE — Miscellaneous
2016
2016-10-27RPTT&RET $249,000 to JACKSON, SAVITRE L.W.$249,000
2016-10-26HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2015-12-11HPD class B: SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FRO
2015-10-01HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2015-08-17Rodent inspection: Passed
2014
2014-09-03Rodent inspection: Passed
2014-06-13HPD class B: SECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT CEILING AND WALLS AT BULKH
2014-04-02311: Street Condition — Failed Street Repair
2014-01-16RPTT&RET $120,000 — from DAWKINS-GONZALEZ, DOROTHY to BASKERVILLE, WANDA J; LAW, HEATHER A; BASKERVILLE, TEAL K$120,000
2014-01-12311: Water System — Leak (Use Comments) (WA2)
2013-07-11Rodent inspection: Failed for Rat Activity
2013-06-24Rodent inspection: Failed for Rat Activity
2013-06-04311: Rodent — Rat Sighting
2013-03-01DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORT
2013-03-01DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORT
2012
2012-09-25Rodent inspection: Bait applied
2012-06-12Rodent inspection: Passed
2011
2011-12-13DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT
2011-12-13DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT
2011-03-29Rodent inspection: Passed
2011-01-12LDMK — from HAMILTON HEIGHTS/SUGAR HILL NORTHWEST HI
2010
2010-03-02Rodent inspection: Passed
2010-02-15311: Water System — Other Water Problem (Use Comments) (WZZ)
2010-02-12Rodent inspection: Bait applied
2010-01-16Rodent inspection: Failed for Rat Activity
2009
2009-12-31DOB violation LBLVIO:
2009-12-31DOB violation LBLVIO:
2009-10-02Rodent inspection: Failed for Rat Activity
2009-06-29RPTT&RET $205,000 — from FRASIER, ALONA F to FLAGG, KRISTIN$205,000
2009-01-01DOB violation LL6291:
2009-01-01DOB violation LL6291:
2008
2008-01-03DOB violation LL6291:
2008-01-03DOB violation LL6291:
2007
2007-12-05Tenant complaint: ELECTRIC — LIGHTING
2007-12-05Tenant complaint: PAINT/PLASTER — WALL
2007-12-05Tenant complaint: NONCONST — RUBBISH
2007-11-11Tenant complaint: HEATING — HEAT RELATED
2005
2005-01-31DOB violation LL6291:
2005-01-31DOB violation LL6291:
2003
2003-08-04Deed $2,500 — from THE CITY OF NEW YORK to 811 ST. NICHOLAS AVENUE HOUSING DEVELOPM$2,500
2003-08-04Agreement — from 811 ST. NICHOLAS AVENUE HOUSING DEVELOPM to THE CITY OF NEW YORK
2003-06-10Permit EW — ISSUED
2003-06-10Permit PL — ISSUED
2003-06-05Job filed: INSTALL GAS FIRED DOMESTIC HOT WATER BOILER. NO CHANGE IN EGRESS, OCCUPANCY OR USE UNDER THIS APPLICATION.$3,500
2003-03-19DOB violation LL6291:
2002
2002-08-16Permit AL — ISSUED
2002-05-30DOB complaint, category ?
2002-03-26DOB violation LL6291:
2002-02-27Permit EW — ISSUED
2002-02-26Permit PL — ISSUED
2002-02-15Job filed: INSTALL ONE NEW L.P. BOILER WITH INTEGRAL ATMOSPHERIC GAS BURNER. RECONNECT TO EXISTING L.P. GAS LINES. NO CHANGE IN MEANS OF EGRESS, USE GROUP OR OCC$7,000
2002-02-15Job filed: INSTALL ONE NEW L.P. BOILER WITH INTEGRAL ATMOSPHERIC GAS BURNER. RECONNECT TO EXISTING L.P. GAS LINES. NO CHANGE IN MEANS OF EGRESS, USE GROUP OR OCC$7,000
2002-01-09Permit EQ — ISSUED
2002-01-07Job filed: INSTALLATION OF HEAVY DUTY SHED:24' LONG - DURING REMEDIAL REPAIRS. WORK SHALL COMPLY WITH LL33/91 NO CHANGE IN USE EGRESS OR OCCUPANCY
2001
2001-12-20Permit PL — ISSUED
2001-12-13Permit AL — ISSUED
2000
2000-11-06Job filed: INTERIOR RENOVATION OF EXISTING 5 STORY BUILDING CONSTRUCTION OF NEW WAL L FLOORS CIELINGS BATHROOMS KITCHENS INS TALLATION OF NEW HEATING PLUMBING S$700,000
2000-11-06Job filed: INTERIOR RENOVATION OF EXISTING 5 STORY BUILDING CONSTRUCTION OF NEW WAL L FLOORS CIELINGS BATHROOMS KITCHENS INS TALLATION OF NEW HEATING PLUMBING S$700,000
1998
1998-12-30Permit EW — ISSUED
1998-12-30Permit EW — ISSUED
1995
1995-08-29DOB violation LL6291:
1994
1994-08-26Permit EW — ISSUED
1994-08-26Permit EW — ISSUED
1994-08-26Permit EW — ISSUED
1994-03-18DOB violation LL6291:
1993
1993-03-18DOB violation LL6291:
1992
1992-03-02Permit PL — ISSUED
1992-01-22Permit EW — ISSUED
1991
1991-05-29DOB violation C:
1991-05-29ECB Non-Hazardous violation: FAILURE TO MAINTAIN EXTERIOR BLDG WALL ON PARAFIT AS UNDER ABOVE. REMEDY- REPLACE AND REFIRM ABOVE DEFECTS AT PARAFIT AS UNDER$285
1991-03-04DOB complaint, category ?
1988
1988-07-26DOB violation C:
1986
1986-02-12HPD 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
1978
1978-05-25Deed — from COMMISSIONER OF FINANCE NY; COMMISSIONER OF FINANCE NY to CITY OF NEW YORK; CITY OF NEW YORK
1978-05-25Deed — from COMMISSIONER OF FINANCE NY; COMMISSIONER OF FINANCE NY to CITY OF NEW YORK; CITY OF NEW YORK
1978-04-06Deed — from 811 ST NICHOLAS AVECORP to TICHMAN, LAWRENCE