Contractor Profile

William Stanislawczyk

William Stanislawczyk is a specialist multifamily alteration contractor in New York City — all 14 of its segment-eligible permits fall in multifamily alteration. Its permit record in New York City spans 2009–2026.

First permit: Jul 27, 2009 (6,244d ago)Latest permit: Apr 30, 2026 (123d ago)
The sales record
Market
New York City
Active
2009–2026 · 17 yrs
Licenses on file
2
Reliable value
Coverage
Reliable filings
Rank in New York City
#21,861
Permits (all-time, all segments)
17
Filings 90d
0
Filings 30d
0
Latest permit
Apr 30, 2026
Typical project sizeNot enough valued permits to summarize.
Where they work

Primarily Multifamily Alteration 100% of 14 segment-classified permits

Ranked #12,110 in the New York City Multifamily Alteration leaderboard →
Firmographics
License & registration IDs on file
  • 0019496
  • 019496

As named in the permit records — identifiers we surface, not verified state licensure.

Direct contactNot in our data — we don’t fabricate firmographics.
What we won’t fabricate

William Stanislawczyk has 17 permits, but too few carry a value we can stand behind — so we publish for reliable value, never a guess. They still rank by volume; the dollar figure stays honest.

Below our reliability threshold — too few filings carry a value we stand behind
Service area

Typical service area ~3 mi in New York City

The p90 footprint of where William Stanislawczyk has pulled permits in New York City — drawn from all 17 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • NYC17
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Showing 14 of 14 permits by William Stanislawczyk in the indexed window · most recent first

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May 13, 2024
250 West 27 Street, Manhattan, NY 10001
Multifamily Alteration
$178K
Nov 16, 2022
414 East 52 Street, Manhattan, NY 10022
Multifamily Alteration
$71K
Nov 17, 2021
414 East 52 Street, Manhattan, NY 10022
Multifamily Alteration
$66K
Jul 31, 2015
309 East 87th St, Manhattan, NY 10128
Multifamily Alteration
Residential
Aug 21, 2013
217 East 5th Street, Manhattan, NY 10003
Multifamily Alteration
Aug 21, 2013
217 East 5th Street, Manhattan, NY 10003
Multifamily Alteration
Residential
Apr 17, 2013
217 East 5th Street, Manhattan, NY 10003
Multifamily Alteration
Apr 17, 2013
217 East 5th Street, Manhattan, NY 10003
Multifamily Alteration
Residential
Aug 21, 2012
210 East 73rd Street, Manhattan, NY 10021
Multifamily Alteration
Residential
Aug 31, 2011
210 East 73rd Street, Manhattan, NY 10021
Multifamily Alteration
Residential
Jun 1, 2011
210 East 73rd Street, Manhattan, NY 10021
Multifamily Alteration
Residential
Apr 29, 2011
980 Fifth Avenue, Manhattan, NY 10075
Multifamily Alteration
Residential
Apr 29, 2011
980 Fifth Avenue, Manhattan, NY 10075
Multifamily Alteration
Residential
Jul 27, 2009
applied Jul 17, 2009
80 Warren Street, Manhattan, NY 10007
Multifamily Alteration
Residential
Sites William Stanislawczyk returns to6 in New York City

Addresses where William Stanislawczyk has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.

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