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Manhattan • Elevator Apartment

171 St Nicholas Ave

Manhattan, NY 10026Company-ownedBBL 1019240052BIN 1058430
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Updated Aug 1, 2026 · 16 sources

Year Built1910
Floors5
Units26
Building Area29,670 sqft
ZoningR7A
ClassD1
Market Value$3.4M

171 ST NICHOLAS AVE is a property located at 171 ST NICHOLAS AVE, Manhattan, NY 10026. It is classified as a elevator apartment - semi-fireproof. The building was constructed in 1910. It has 5 floors and 26 units. The building area is 29,670 square feet on a 7,461 sqft lot. The property is zoned R7A. The assessed market value is $3.4M. Public records list the property as company-owned. There are 21 building permits on record (18 active). There are 88 violations on record (3 currently open). 19 docketed judgments carrying $1,562 in open balances are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

428records on file
77Energy Star

Completed in 1910, 171 St Nicholas Ave rises 5 stories over New York. Public records put it at 26 units and 29,670 square feet of floor area, on land zoned R7A. It is carried on the public rolls at a market value of $3.4M, and assessed for tax at $1.5M. In the 52 years its record reaches back, the lot has drawn 428 separate government filings.

The documentary life of the address leans hard toward complaint: 210 of its 428 records, fully 49%, fall under that one heading. Violation (88) and inspection (35) trail well behind. 3 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2023.

On the environmental ledger, the building posts an Energy Star score of 77, with a site energy-use intensity of 66.6 kBtu per square foot. Its operations answer for roughly 141 metric tons of CO2-equivalent a year.

Read together — 49% complaint, 52 years of accumulation, a parcel of New York — these scattered records compose a portrait of the address that no single page sets out to draw.

$3.4M of New York, written across 428 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address171 ST NICHOLAS AVE, Manhattan, NY 10026
Building TypeElevator Apartment - Semi-Fireproof
D1
Year Built1910
Floors5
Total Units26
Building Area29,670 sqft
Lot Size7,461 sqft
ZoningR7A
ConditionAverage
1019240052
1058430
OwnershipCompany-owned

Assessment & Sales

$3.4M
$1.5M
$135K

Building Permits

21 on record · 18 active
Cats RegistrationOther
CURRENT
Filed Apr 24, 2026Job #491705
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jan 8, 2026Est. cost $36KJob #M01314322-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jan 8, 2026Est. cost $18KJob #M01314322-S1
View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Sep 30, 2002Est. cost $48KJob #102933649-01
View this permit's full record & inspection history →
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed Dec 5, 2001Est. cost $525KJob #102752638-01

GEN CONST

View this permit's full record & inspection history →

+ 16 more permits — view full report

Violations

88 on record · 3 open
Open judgment balance — docketed OATH judgments$1,562
Judgments · 19 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Aug 31, 2024Balance $1,562Ticket #039103831X
FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2019Ticket #011689804P
FIRE PROTECTION SYSTEMS
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Sep 30, 2019Ticket #038268201K
FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2017Ticket #0192289709
FAILURE TO CLEAN 18 INCHES INTO STREET
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2017Ticket #035180972N
WORK WITHOUT A PERMIT

+ 14 more docketed judgments — view full report

HPDClass C
VIOLATION WILL BE REINSPECTED
Issued May 23, 2024#17002147

§ 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 0; WG TO REPLACE = 0; WG TO REPAIR = 2; IN THE ENTIRE APARTMENT LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass B
DEFECT LETTER ISSUED
Issued Oct 6, 2023#16288908

§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROX 20 SQ FT. 10 SQ FT ON SOUTH WALL AND 10 SQ ON WEST WALL IN STORAGE ROOM LOCATED AT BSMT-APT STORAG LOWER LEVEL, 1st BSMT-APT FROM SOUTH AT WEST

View this violation's full details & status history →

+ 86 more violations on record — view full report

Get the Complete Report for 171 ST NICHOLAS AVE

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 171 ST NICHOLAS AVE, Manhattan built?

The building at 171 ST NICHOLAS AVE, Manhattan, NY 10026 was constructed in 1910. It is classified as a elevator apartment - semi-fireproof with 5 floors and 26 units. The building area is 29,670 sqft.

Are there building permits at 171 ST NICHOLAS AVE, Manhattan?

Yes. 171 ST NICHOLAS AVE, Manhattan, NY 10026 has 21 building permits on record, with 18 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Cats Registration (CURRENT) filed Apr 24, 2026.

Does 171 ST NICHOLAS AVE, Manhattan have violations?

Yes. 171 ST NICHOLAS AVE, Manhattan, NY 10026 has 88 violations on record, with 3 currently open. Breakdown: 37 DOB, 12 ECB, 39 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 171 ST NICHOLAS AVE, Manhattan have docketed judgments?

Yes. 171 ST NICHOLAS AVE, Manhattan, NY 10026 has 19 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $1,562. A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 171 ST NICHOLAS AVE?

171 ST NICHOLAS AVE, Manhattan, NY 10026 has an assessed market value of $3.4M and a total assessed value of $1.5M (land: $135K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 171 ST NICHOLAS AVE?

171 ST NICHOLAS AVE, Manhattan, NY 10026 is zoned R7A. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 171 ST NICHOLAS AVE?

171 ST NICHOLAS AVE, Manhattan, NY 10026 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 171 ST NICHOLAS AVE?

Search 171 ST NICHOLAS AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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171 ST NICHOLAS AVE, Manhattan, NY 10026 — Property Records, Permits, Violations, Tax & Zoning | RegWatch