Tenants rally (photo: @TenantPowerNY)

Tenants celebrated when Gov. Andrew Cuomo's Tenant Protection Unit (TPU) appointed a monitor to oversee 51 apartment buildings owned by the notorious Castellan Real Estate Partners, but for the past two years those same tenants say the conditions in their buildings have deteriorated while the TPU has failed to take action.

The monitor was named as part of a larger settlement, reached in January 2014, and tasked with tracking the New York City landlord. The Cuomo