A meaningful record of code violations or complaints relative to its peers. More recorded distress than 86% 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 128. In ZIP 11215, 70% of residential buildings hold an A and
4% 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
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
10 service requests in the last three years. Most common: PAINT/PLASTER (3) · PLUMBING (2) · DOOR/WINDOW (2) · Abandoned Vehicle (1) · Derelict Vehicles (1) · Indoor Air Quality (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 (1931)
Yes
Six or more residential units (6)
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)
251 20TH STREET LLC
Head officer
MIGUEL HERNANDEZ
Managing agent
HERNCO, LLC
Last registered
2025-07-08
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
$1,225,000
$551,250
2026
$1,440,000
$648,000
2027
$1,633,000
$734,850
The city's market estimate has risen
33% 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
Prospect Av — R · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: none
Bus
Nearest boarding stop: 5 Av / 18 St — B63 · 200 ft
Citi Bike
17 St & 5 Ave · 700 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.
10 311 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.
2024-11-23311: Indoor Air Quality — Dust from Construction
2024-09-18HPD class C: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS
2024-09-18HPD class C: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM
2024-09-18HPD class C: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS
2024-09-18HPD class B: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT PLASTER AT NORTH WALL AND CEILING AT PUBLIC
2024-09-18HPD class A: § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT NORTH WALL AND CEILING AT PUBLIC HALL, 1st STORY
2024-09-18HPD class A: § 27-2053 ADM CODE POST SIGN ON WALL OF ENTRANCE STORY BEARING NAME, ADDRESS INCLUDING APARTMENT NUMBER IF ANY, AND TELEPHONE NUMBER OF SUPE
2024-09-18HPD 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
2024-09-18HPD class A: § 27-2005 HMC: REFIT LOWER SASH 2ND WINDOW FROM SOUTH AT WEST IN THE 4th ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM NO
2024-08-30HPD class C: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1STFLO, 1st STORY, 1st APARTMENT F
2024-08-30HPD class C: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT THE CEILING IN THE 1st ROOM FROM EAST L
2024-08-30HPD class A: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER SASH SPRING BALANCE, 2ND WINDOW AT EAST IN THE 1st ROOM FROM EAST LO
2024-04-17311: Abandoned Vehicle — With License Plate
2024-04-10City emergency repair (OMO): apt#1 @ kitchen: trace, locate and repair the leak above the ceiling of kitchen. provide approximately (25) s.f. of shee$2,840
2024-02-08HPD class B: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT NORTH WALL IN THE KITCHEN LOCATED AT AP
2024-02-08HPD class C: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER SASH WINDOW IN THE 3rd ROOM FROM NORTH LOCATED AT
2024-02-08HPD class C: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE KITCHEN LOCATED AT APT 1
2024-02-08HPD class B: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 3rd ROOM FROM NORTH LOCA
2024-02-08HPD class B: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FLOOR TILES IN THE 3rd ROOM FROM NORTH LOCATED AT APT 1, 1s
2023-08-16HPD class B: § 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. REPLACE WITH NEW THE BROKEN, DEFECTIVE AND/OR MISSING MISSING STANDARD, 5TH FROM EAST AT 3RD STORY
2023-07-26HPD class C: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM
2023-07-26HPD class B: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE KITCHEN LOCATED AT APT 1R, 1st STORY, 1st
2023-07-26HPD class B: § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1s
2023-07-26HPD class B: § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM WES
2023-07-26HPD class C: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS
2021-05-24311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2020
2020-12-23HPD class C: § 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS IN THE ENTRANCE LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM WEST AT NO
2020-12-23HPD class A: § 27-2053 ADM CODE POST SIGN ON WALL OF ENTRANCE STORY BEARING NAME, ADDRESS INCLUDING APARTMENT NUMBER IF ANY, AND TELEPHONE NUMBER OF SUPE
2020-12-23HPD class A: § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORY
2020-12-23HPD class B: § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE RADIATOR SHUT OFF VALVE IN THE KITCHEN LOCATED AT APT 2F, 2nd STORY, 1st APARTMEN
2020-12-21Bedbug filing: 0 infested units
2020-12-21Tenant complaint: HEAT/HOT WATER — APARTMENT ONLY
2020-12-21311: HEAT/HOT WATER — APARTMENT ONLY
2020-11-30Boiler inspection
2019
2019-12-12Bedbug filing: 0 infested units
2019-12-02Boiler inspection
2019-11-21FDNY inspection (RISK)
2019-10-30311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2019-09-21311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2019-04-26311: New Tree Request — For One Address
2018
2018-12-18Bedbug filing: 1 infested units
2018-11-07Boiler inspection
2018-09-05311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2018-08-27311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2018-08-15Rodent inspection: Bait applied
2018-08-08Rodent inspection: Monitoring visit
2018-08-01Rodent inspection: Bait applied
2018-07-17Rodent inspection: Bait applied
2018-06-26Rodent inspection: Failed for Rat Activity and Other Reason
2018-05-28311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2018-05-24Rodent inspection: Failed for Rat Activity and Other Reason
2018-05-15311: Unsanitary Animal Pvt Property — Other Animal
2018-05-09Rodent inspection: Passed
2018-04-19Deed — from HERNCO, LLC to 251 20TH STREET, LLC
2018-04-10Rodent inspection: Failed for Rat Activity and Other Reason
2018-04-09Deed transfer (nominal price)
2018-03-19311: Rodent — Rat Sighting
2016
2016-12-22Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2016-12-22311: HEAT/HOT WATER — ENTIRE BUILDING
2016-08-02City emergency repair (OMO): contact # 347-489-7110 at fire escape-properly secure the loose metal tread 5th up from bottom at fire escape. remove al$299
2016-07-18HPD class A: § 27-2014 ADM CODE AND DEPT. RULES AND REGULATIONS. SCRAPE AND REMOVE RUST SCALES AND PAINT WITH 2 COATS OF PAINT ; ALL STORY BALCONIES AT F
2016-07-18HPD class C: § 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. PROPERLY SECURE LOOSE METAL TREAD; 5TH UP FROM BOTTOM AT FIRE ESCAPE AT NORTH , 2nd STORY
2016-07-11Tenant complaint: PAINT/PLASTER — WALL
2016-07-11Tenant complaint: WATER LEAK — SLOW LEAK
2016-07-11311: PAINT/PLASTER — WALL
2016-07-11311: WATER LEAK — SLOW LEAK
2015
2015-10-21Tenant complaint: DOOR/WINDOW — DOOR FRAME
2015-10-21311: DOOR/WINDOW — DOOR FRAME
2015-03-03DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORT
2014
2014-12-23Rodent inspection: Bait applied
2014-12-17Rodent inspection: Bait applied
2014-12-10Rodent inspection: Bait applied
2014-11-21Rodent inspection: Bait applied
2014-11-14Rodent inspection: Failed for Rat Activity
2014-10-03Rodent inspection: Failed for Rat Activity
2014-05-15DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORT
2012
2012-12-04HPD class A: § 53, 187, 231 M/D LAW AND DEPARTMENT RULES AND REGULATIONS. PROVIDE A SHOE PROPERLY SECURED TO BOTTOM OF STRING OF DROPLADDER ON FIRE ESCAP
2012-11-29Tenant complaint: HEATING — HEAT RELATED
2012-11-29311: HEATING — HEAT
2012-07-27311: Illegal Animal Kept as Pet — Other
2011
2011-11-09311: New Tree Request — For One Address
2011-01-08311: Street Light Condition — Street Light Out
2010
2010-10-13HPD class B: § 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNS
2007
2007-12-20HPD class B: § 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNS
2007-08-01ECB Hazardous violation: B4B/16/36/25A/40/48A/4B/BQ9/21B/39/47/50A/50B/50C/50D/50E/50F/50G/50H/50I/50J/.50A-STEAM FITTINGS & UNIONS ON FILL & VENT LINES FR$800
2003
2003-09-23HPD class B: § 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNS
2000
2000-04-24Deed — from HERNANDEZ, MIGUEL to HERNCO LLC
1996
1996-11-06HPD class A: § 27-2098 ADM CODE FILE WITH THIS DEPARTMENT A REGISTRATION STATEMENT FOR BUILDING.
1988
1988-08-24HPD 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
1988-08-24HPD class B: D26-10.01 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE MAILBOXES VESTIBULE 1 STY PUBLIC HALL.
1988-08-24HPD class B: D26-10.01 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE LOCKING DEVICE VESTIBULE TO 1 STY PUBLIC HALL.
1988-08-24HPD class A: D26-10.01 ADM CODE REFIT DOOR CELLAR TO 1 STY PUBLIC HALL.
1988-08-24HPD class B: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING 4 STY PUBLIC HALL.
1988-08-24HPD class A: D26-10.01 ADM CODE REFIT DOOR BOILER ROOM CELLAR.
1988-08-24HPD class A: D26-21.03 ADM CODE PAINT OR POST A SIGN INDICATING FLOORS ALL STYS PUBLIC HALLS.
1986
1986-12-15HPD class B: D26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION VESTIBULE 1 STY PUBLIC HALL NIGH
1974
1974-10-08Mortgage — from HERNANDEZ MIGUEL to CITY OF NEW YORK
1974-10-08Deed — from CITY OF NEW YORK to HERNANDEZ MIGUEL
1973
1973-12-27Deed — from FINANCE ADMIN OF CITY OF NY; ZWICKEL, YETTA to CITY OF NY