CurbScoop›Buildings›Hamilton Heights›521 WEST 135 STREET

521 WEST 135 STREET

Manhattan· Hamilton Heights· built 1915class C6BBL 1019880088

521 WEST 135 STREET is a 20-unit building in Hamilton Heights, Manhattan, built in 1915.

1 unit is on the market here right now.

City records show 16 DOB permits and 33 open violations on file.

Units (res)

Floors

5.0

Lot ft²

3,997 ft²

Bldg ft²

13,170 ft²

Assessed

$672K

DOF total

Comps L5y

Active sale listings (1)

	Address	Neighborhood	Price	$/ft²	Sqft	Beds/Baths	vs comp	DOM	Risk	Score
	521 WEST 135 STREET #5A Manhattan · built 1915	Hamilton Heights	$350K	$538	650 ft²	2 bd · 1 ba	-	66	3 HPD-C6 DOB	7.7	Source

Transaction history (0)

Every recorded deed for this tax lot.

No recorded transactions for this BBL yet.

Building risk + activity

HPD violations (last 40)

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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Apr 29, 2026 · NOV SENT OUT
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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Nov 17, 2025 · INFO NOV SENT OUT
A
§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE CEILING AND ALL WALLS IN THE ENTIRE APARTMENT LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
May 21, 2025 · #2A · NOV SENT OUT
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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Nov 22, 2024 · INFO NOV SENT OUT
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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Apr 2, 2024 · VIOLATION DISMISSED
C
HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST
Oct 11, 2023 · #3B · DEFECT LETTER ISSUED
B
§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 2nd ROOM FROM NORTH LOCATED AT APT 1B, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST
Oct 11, 2023 · #1B · VIOLATION CLOSED
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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Mar 16, 2023 · VIOLATION DISMISSED
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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Nov 2, 2022 · VIOLATION DISMISSED
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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Feb 16, 2022 · VIOLATION DISMISSED
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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Feb 16, 2022 · VIOLATION DISMISSED
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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Apr 2, 2021 · VIOLATION DISMISSED
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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Apr 2, 2021 · VIOLATION DISMISSED
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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Oct 25, 2019 · VIOLATION DISMISSED
C
§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF BASE BOARD RADIATOR AT NORTH WALL. IN THE 4th ROOM FROM NORTH LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM WEST AT NORTH
Oct 18, 2019 · #1D · VIOLATION CLOSED
C
§ 27-2005 ADM CODE PROPERLY SECURE THE LOOSE BASE BOARD RADIATOR AT NORTH WALL . IN THE 4th ROOM FROM NORTH LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM WEST AT NORTH
Oct 18, 2019 · #1D · VIOLATION CLOSED
B
§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM WEST AT NORTH
Oct 18, 2019 · #1D · NOV CERTIFIED LATE
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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Oct 10, 2018 · VIOLATION DISMISSED
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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Oct 27, 2016 · VIOLATION DISMISSED
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 THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Oct 2, 2015 · VIOLATION DISMISSED
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 THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Feb 3, 2015 · VIOLATION DISMISSED

DOB permits (last 30)

AL-
AKTHAR CONSTRUCTION CORP.
AL-
AKTHAR CONSTRUCTION CORP.
EQ-
AKTHAR CONSTRUCTION CORP.
EQ-
AKTHAR CONSTRUCTION CORP.
EQ-
AKTHAR CONSTRUCTION CORP
OT-
ALLIED PLUMBING & HEATING
EQ-
AKTHAR CONSTRUCTION CORP
PL-
ALLIED PLBG & HTG CORP
PL-
ALLIED PLBG & HTG CORP
OT-
S A CONTRACTIN CO.
PL-
ALLIED PLBG & HTG CORP
EQ-
SPRING SCAFFOLDING INC.
PL-
ARISTA MECHANICAL HVAC
OT-
EASTERN CONSTRUCTION CO.
OT-
A. G. CONSTRUCTION INC
PL-
A. G. CONSTRUCTION INC

DOB violations

Jun 30, 2023LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Jun 20, 2023LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Jun 20, 2023LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Jan 17, 2020LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Nov 8, 2019LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Mar 3, 2015LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Mar 3, 2015LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Dec 13, 2011LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Dec 13, 2011LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Jan 19, 2007LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED
Mar 16, 1999LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED
Aug 29, 1995LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED

More buildings in Hamilton Heights

Sources & freshness

Research contract nyc_property_research.v1 · snapshot Sep 23, 2026

Stable property ID: nyc:bbl:1019880088

This identifier represents an NYC tax lot. Condo and co-op apartment identity must be resolved separately.

Tax lot and building facts

NYC Department of City Planning (PLUTO)

completed

1 tax-lot record in the current corpus · latest record Sep 20, 2026

Pipeline completed Sep 20, 2026

The current PLUTO pipeline is configured for Manhattan and Brooklyn.

PLUTO describes the tax lot and buildings, not legal ownership of an individual apartment.

Marketed sale listings

StreetEasy, observed by CurbScoop

completed

1 active sale listing in the current corpus · latest record May 24, 2026

Pipeline completed Aug 31, 2026

The current sales-listing pipeline is configured for Manhattan and Brooklyn.

Listing observations describe marketed state and are not proof of a closing or exhaustive market coverage.

Recorded transfers

NYC Department of Finance, Office of the City Register (ACRIS)

completed

0 recorded deeds in the current corpus

Pipeline completed Sep 23, 2026

Deed document types associated with this BBL in the current CurbScoop corpus.

Recording can lag a transaction, and a deed with no stated consideration is not evidence of a market sale.

DOB permits

NYC Department of Buildings via NYC Open Data

completed

16 permits in the current corpus

Pipeline completed Sep 23, 2026

The current DOB permit pipeline is configured for Manhattan and Brooklyn.

A filing or permit does not prove that work was completed or that all work at the property was filed.

HPD violations

NYC Department of Housing Preservation and Development via NYC Open Data

completed

21 violations in the current corpus · latest record Apr 29, 2026

Pipeline completed Sep 23, 2026

The current HPD violation pipeline is configured for Manhattan and Brooklyn.

Status and correction timing come from the published agency record and may change after CurbScoop observes it.

DOB violations

NYC Department of Buildings via NYC Open Data

completed

12 violations in the current corpus · latest record Nov 15, 2023

Pipeline completed Sep 23, 2026

The current DOB violation pipeline is configured for Manhattan and Brooklyn.

Absence from the current corpus is not proof that a building has no regulatory issue.

Counts and dates describe the current CurbScoop corpus. They are not a guarantee of exhaustive agency or listing coverage.

Reading these records

The transaction history above comes from ACRIS, the city's register of recorded deeds - it shows what actually closed, not what was asked. To compare that against what similar units are listed at, see how to find comps and asking price vs sale price. The BBL identifying this lot is explained in what is a BBL. Wider context for the area is on the Hamilton Heights market page.