City inspectors were last at this 60-unit walk-up apartment building on July 31, 2026, and the resulting violation remains open.
521 Isham Street is a 60-unit building in Manhattan, New York City (BBL 1022280045). This building is associated with Isham 521, LLC. Brix tracks 18 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.
Built in 1930, this walk-up apartment building sits in Manhattan and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.
Tenants have filed 191 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 6, 2026.
Conditions cited on open violations at this address:
The building last changed hands on December 23, 2020 for $1,696,842.24, according to recorded deeds.
Brix score: 24/100. View the Building Report on Brix.
See every NYC building owned by Isham 521, LLC on the landlord portfolio page.
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Unit 3B at 521 Isham Street has 10 open violations.
Unit 3J at 521 Isham Street has 4 open violations.
Unit 4G at 521 Isham Street has 2 open violations.
Unit 1G at 521 Isham Street has 2 open violations.
Unit 5B at 521 Isham Street has no open violations (14 past violations).
Unit 5L at 521 Isham Street has no open violations (16 past violations).
Unit 5 at 521 Isham Street has no open violations (1 past violation).
Unit 4D at 521 Isham Street has no open violations (21 past violations).
Unit 4J at 521 Isham Street has no open violations (9 past violations).
Unit 3G at 521 Isham Street has no open violations (1 past violation).
Unit 3H at 521 Isham Street has no open violations (1 past violation).
Unit 2B at 521 Isham Street has no open violations (20 past violations).
Unit 2E at 521 Isham Street has no open violations (2 past violations).
Unit 2G at 521 Isham Street has no open violations (10 past violations).
Unit 1C at 521 Isham Street has no open violations (14 past violations).
Unit 1H at 521 Isham Street has no open violations (7 past violations).
Unit 1L at 521 Isham Street has no open violations (9 past violations).
Unit H at 521 Isham Street has no open violations (1 past violation).
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