CurbScoop
CurbScoopBuildingsFlatiron15 UNION SQUARE WEST

15 UNION SQUARE WEST

Manhattan· Flatiron· built 1900class RMBBL 1008427502
Open listing source

15 UNION SQUARE WEST is a 34-unit building in Flatiron, Manhattan, built in 1900.

3 units are on the market here right now.

City records show 30 DOB permits and 14 open violations on file.

Units (res)
34
Floors
12.0
Lot ft²
12,915 ft²
Bldg ft²
89,289 ft²
Assessed
$28.6M
DOF total
Comps L5y
0

Active sale listings (3)

AddressNeighborhoodPrice$/ft²SqftBeds/Bathsvs compDOMRiskScore
15 UNION SQUARE WEST #16
Manhattan · built 1900
Flatiron$8.00M$2,8062,849 ft²3 bd · 3 ba-128
4 DOBbedbug
9.0Source
15 UNION SQUARE #6
Manhattan · built 1900
Flatiron$4.25M$1,8622,282 ft²2 bd · 2 ba-119
4 DOBbedbug
9.0Source
15 UNION SQUARE WEST #30
Manhattan · built 1900
Flatiron$7.00M$2,5032,795 ft²3 bd · 3 ba-149
4 DOBbedbug
9.0Source

Transaction history (0)

Every recorded deed for this tax lot.

No recorded transactions for this BBL yet.

Building risk + activity

HPD violations (last 40)
None.
DOB permits (last 30)
  • SP-
    EMCO PLUMBING SVCS LLC
  • OT-
    DONALD R. BORG. CONSTR. C
  • MH-
    DONALD R. BORG. CONSTR. C
  • OT-
    HENEGAN CONSTRUCTION CO.,
  • OT-
    RECTENWALD BROTHERS CONST
  • MH-
    RECTENWALD BROTHERS CONST
  • OT-
    STERN PROJECTS LLC
  • OT-
    STERN PROJECTS LLC
  • MH-
    STERN PROJECTS LLC
  • OT-
    HALCO CONTRACTIGN INC
  • OT-
    HALCO CONTRACTIGN INC
  • MH-
    HALCO CONTRACTIGN INC
  • OT-
    COMPLETE CONSTRUCTION NY
  • OT-
    STERN PROJECTS LLC
  • MH-
    STERN PROJECTS LLC
  • OT-
    STERN PROJECTS LLC
  • OT-
    RECTENWALD BROTHERS CONST
  • OT-
    TARGET NEW YORK CONST.INC
  • OT-
    TARGET NEW YORK CONST.INC
  • OT-
    STERN PROJECTS LLC
  • MH-
    STERN PROJECTS LLC
  • OT-
    STERN PROJECTS LLC
  • PL-
    BROOK PLUMBING & HTG CORP
  • OT-
    TARGET NEW YORK CONST.INC
  • OT-
    TARGET NEW YORK CONST.INC
  • OT-
    TARGET NEW YORK CONST.INC
  • SG-
    MAUCERI SIGN CO., INC
  • OT-
    TITAN REALTY & CONSTRUCTI
  • OT-
    BCRE SERVICES LLC
  • PL-
    EMCO PLUMBING SVCS LLC
DOB violations
  • Aug 18, 2021E-ELEVATOR ELEVATORREQUIRED
  • Aug 18, 2021E-ELEVATOR ELEVATORREQUIRED
  • Aug 18, 2020E-ELEVATOR ELEVATORREQUIRED
  • Aug 18, 2020E-ELEVATOR ELEVATORREQUIRED
  • Sep 19, 2018E-ELEVATOR ELEVATORREQUIRED
  • Jul 13, 2016E-ELEVATOR ELEVATORREQUIRED
  • Jul 13, 2016E-ELEVATOR ELEVATORREQUIRED
  • Aug 3, 2015E-ELEVATOR ELEVATORREQUIRED
  • Aug 3, 2015E-ELEVATOR ELEVATORREQUIRED
  • Jul 28, 2014E-ELEVATOR ELEVATORREQUIRED
  • Jul 28, 2014E-ELEVATOR ELEVATORREQUIRED
  • Aug 20, 2012E-ELEVATOR ELEVATORREQUIRED
  • Aug 20, 2012E-ELEVATOR ELEVATORREQUIRED
  • Feb 16, 2012C-CONSTRUCTION OTHER OPTIONAL

More buildings in Flatiron

Sources & freshness

Research contract nyc_property_research.v1 · snapshot Sep 23, 2026

Stable property ID: nyc:bbl:1008427502

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
3 active sale listings in the current corpus · latest record May 4, 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
97 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
0 violations in the current corpus

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
14 violations in the current corpus · latest record Aug 18, 2021

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 Flatiron market page.