HSTPA, defined

HSTPA is the Housing Stability and Tenant Protection Act of 2019 — a New York State law that permanently strengthened rent stabilization and tenant protections, both in New York City and statewide. Signed in June 2019, it was the most significant overhaul of NYC rent regulation in decades. If you own or manage a rent-stabilized building in Brooklyn, HSTPA is the law that shapes almost everything about how you can adjust rent, renew leases, and pursue an eviction today.

HSTPA didn't create rent stabilization — that system is still administered by New York State Homes and Community Renewal (HCR), through its DHCR division, with annual increase percentages set by the NYC Rent Guidelines Board (RGB). What HSTPA did was close off several ways owners had previously used to raise rents or exit apartments from stabilization, while adding new protections for tenants, including those facing eviction.

How it works in New York City

A few provisions matter most for owners of Brooklyn multifamily buildings:

  • Vacancy deregulation eliminated. Before 2019, a stabilized apartment could exit the system entirely once its legal rent crossed a set dollar threshold, especially when a tenant moved out. HSTPA ended this. Today, a unit that is stabilized generally stays stabilized indefinitely, regardless of how high the legal rent climbs.
  • Vacancy bonus eliminated. Owners could previously add an automatic percentage increase to the rent between tenants. That bonus is gone — the rent between tenants must be calculated using only the RGB-approved renewal increases and any properly documented improvement adjustments.
  • IAI and MCI increases capped and slowed. HSTPA capped how much of an individual apartment improvement or major capital improvement can be added to the legal rent, extended the number of years over which the cost must be recovered, and limited how long MCI increases stay on the rent roll. This makes documentation and timing far more important than before — sloppy paperwork now costs owners real money over many years, not just one lease term.
  • Preferential rent generally carries over. If a tenant has been paying a preferential rent below the registered legal rent, HSTPA generally requires that discount to continue for the life of that tenancy, rather than snapping back to the full legal rent at renewal.
  • Eviction process protections expanded. HSTPA lengthened notice periods and added procedural protections in holdover proceedings, making it slower and more document-intensive to remove a tenant even in a legitimate nonpayment or lease-violation case.

Why it matters to owners of stabilized or subsidized buildings

For owners of rent-stabilized buildings, HSTPA changed the long-term math. Renovation and improvement decisions now have to be evaluated against capped, slower-recovering rent increases rather than a quick bump at the next vacancy. Getting IAI and MCI paperwork right — contractor invoices, proper DHCR filings, correct amortization — is no longer optional busywork; it's the difference between an increase that holds up and one that gets challenged.

This is exactly the terrain Yak Management specializes in. Because our core expertise is rent-stabilized and subsidized-housing management, we build HSTPA's rules into how we register units, document improvements, and calculate renewals from day one — not as an afterthought after a DHCR complaint arrives.

HSTPA also matters for buildings with voucher tenants. Many Section 8 and CityFHEPS tenancies in Brooklyn sit inside rent-stabilized buildings, so an owner is often navigating HSTPA's stabilization rules and a subsidy program's payment and inspection rules at the same time. Remember, too, that refusing a tenant because they use a voucher is illegal under the NYC Human Rights Law — source-of-income discrimination protections run alongside, not instead of, HSTPA's rent rules. Our government housing programs service exists specifically to manage both layers correctly.

Common misconceptions

  • "HSTPA only affects tenants, not owners' operations." In practice, it reshaped IAI/MCI recovery timelines, ended vacancy-based deregulation, and locked in preferential rents — all of which directly affect an owner's renovation strategy and rent roll planning.
  • "My unit will eventually deregulate once the rent gets high enough." Not under current law. Vacancy deregulation was eliminated by HSTPA; a stabilized unit generally does not exit stabilization simply because its legal rent rises.
  • "I can raise the rent to the legal rent at the next renewal since the old tenant is gone." If the prior tenant was paying a preferential rent, HSTPA generally requires that preferential rent to continue for that same tenancy — the "gap" doesn't automatically disappear at renewal.
  • "HSTPA and Section 8/CityFHEPS rules are the same thing." They're separate systems administered by different agencies — HSTPA governs rent stabilization statewide, while voucher programs are run by NYCHA and HRA/DSS. A compliant building has to satisfy both at once.

Bottom line for Brooklyn owners

HSTPA is not a temporary rule change — it has governed rent stabilization since 2019 and shows no sign of being rolled back. Owners who plan renovations, rent increases, or tenant transitions around pre-2019 assumptions (a vacancy bump, deregulation at a rent threshold, resetting preferential rent at renewal) are planning around a law that no longer exists. Getting HSTPA-era compliance right protects both your rent roll and your standing with DHCR.

Not sure how HSTPA affects your building's rent roll, improvement plans, or voucher tenancies? Schedule a property consultation or call 718-568-9278 to talk it through with a principal who manages stabilized and subsidized buildings every day.

This page is educational and not legal advice. For guidance on a specific building or tenancy, consult a qualified New York attorney.