Tenants here have called the city about heat/hot water 25 times over the last five years — the dominant complaint on this building's record.
21 South William Street is a 31-unit building in Manhattan, New York City (BBL 1000297503). This building is associated with Block Hall Condominium. Brix does not yet have a current violation read for this property (not enough recent data), along with inspection history, DOB filings, tenant complaints, and rent stabilization status.
Built in 1928, this condominium sits in Manhattan and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.
Tenants have filed 25 HPD complaints about this building over the last five years, most often about heat/hot water.
What tenants have called the city about here over the last five years:
The most recent complaint on this building was filed October 5, 2026.
The building last changed hands on January 15, 2024, according to recorded deeds.
Brix score: 38/100. View the Building Report on Brix.
See every NYC building owned by Block Hall Condominium on the landlord portfolio page.
Part of Financial District — see violations, complaints, and landlord activity across the whole neighborhood.
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Unit 3C at 21 South William Street has no violations, last sold in 2018 for $675K. Owner on the latest deed: Sek, Preston & Sek, Regina.
Unit 2D at 21 South William Street has no violations, last sold in 2023 for $872K. Owner on the latest deed: The Karen Elisabeth Sapp Revocable Trust & Karen Elisabeth Sapp, Trustee.
Unit 3D at 21 South William Street has no violations, last sold in 2023 for $835K. Owner on the latest deed: Koch, Samuel.
Unit 6B at 21 South William Street has no violations, last sold in 2023 for $710K. Owner on the latest deed: Hossli, Peter.
Unit 5D at 21 South William Street has no violations, last sold in 2022 for $875K. Owner on the latest deed: Johnson, Erik.
Unit 6D at 21 South William Street has no violations, last sold in 2021 for $840K. Owner on the latest deed: Shah, Tejash & Shah, Deepa.
Unit 2E at 21 South William Street has no violations, last sold in 2021 for $735K. Owner on the latest deed: Ronald Joseph Storto Living Trust Dated 10/24/2008 & Ronald Joseph Storto, Trustee.
Unit 7D at 21 South William Street has no violations, last sold in 2013 for $750K. Owner on the latest deed: Costes, Michel.
Unit 6E at 21 South William Street has no violations, last sold in 2018 for $835K. Owner on the latest deed: Ardu, Maura.
Unit 6A at 21 South William Street has no violations, last sold in 2018 for $585K. Owner on the latest deed: Arat, Jared.
Unit 7A at 21 South William Street has no violations, last sold in 2018 for $575K. Owner on the latest deed: Abacus Growth Properties LLC.
Unit 4C at 21 South William Street has no violations, last sold in 2017 for $750K. Owner on the latest deed: Caizley, Jonathan & Litvin, Kristina.
Unit 2B at 21 South William Street has no violations, last sold in 2017 for $790K. Owner on the latest deed: Chagelishvili, Ana & Pelicci, Leroy.
Unit 7B at 21 South William Street has no violations, last sold in 2016 for $760K. Owner on the latest deed: Kirk, Alexandra & Kirk, Thomas.
Unit 3A at 21 South William Street has no violations, last sold in 2016 for $775K. Owner on the latest deed: Tal, Kendra.
Unit 5A at 21 South William Street has no violations, last sold in 2015 for $775K. Owner on the latest deed: Drapekin, Joshua.
Unit PH at 21 South William Street has no violations, last sold in 2015 for $1.2M. Owner on the latest deed: William PH Holdings 23 LLC.
Unit 3B at 21 South William Street has no violations, last sold in 2014 for $765K. Owner on the latest deed: Quach, Hao & Gu, Ying.
Unit 2C at 21 South William Street has no violations, last sold in 2014 for $576K. Owner on the latest deed: Wang, Lei & Luo, Huizhu +1 more.
Unit 7E at 21 South William Street has no violations, last sold in 2014 for $795K. Owner on the latest deed: Hui, Helen & Lam, Yiu-Wing.
Unit 4B at 21 South William Street has no violations, last sold in 2013 for $725K. Owner on the latest deed: Boshnack, Robert.
Unit 7C at 21 South William Street has no violations, last sold in 2013 for $650K. Owner on the latest deed: Mccarthy, John & Mcgee, Helene.
Unit 4A at 21 South William Street has no violations, last sold in 2013 for $660K. Owner on the latest deed: Xost Advisors LLC.
Unit 5C at 21 South William Street has no violations, last sold in 2008 for $725K. Owner on the latest deed: Matosevic, Davor & Matosevic, Ljubica +2 more.
Unit 3E at 21 South William Street has no violations, last sold in 2006 for $748K. Owner on the latest deed: Annan, Scott.
Unit COMM at 21 South William Street has no violations. Owner on the latest deed: Stone Street Partners LLC.
Unit 5B at 21 South William Street has no violations, last sold in 2006 for $674K. Owner on the latest deed: Rosabianca, Luigi.
Unit 6C at 21 South William Street has no violations, last sold in 2006 for $594K. Owner on the latest deed: Elur Company LLC.
Unit 4E at 21 South William Street has no violations, last sold in 2006 for $738K. Owner on the latest deed: Leandrou, Georgia & Markou, Kathi.
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