{
    "title": "New York City rent stabilized housing stock and annual change",
    "basis": "New York City Rent Guidelines Board reporting, drawing on the 2023 New York City Housing and Vacancy Survey and the annual changes report.",
    "sources": [
        "https://rentguidelinesboard.cityofnewyork.us/wp-content/uploads/2025/05/2025-HSR.pdf",
        "https://rentguidelinesboard.cityofnewyork.us/wp-content/uploads/2025/05/2025-Changes-Report.pdf"
    ],
    "single_source_primary": "The Rent Guidelines Board is the body that regulates these units and reports on the stock. The underlying survey is the New York City Housing and Vacancy Survey.",
    "verified": "2026-09-18",
    "note": "The stock figure and the change figures come from different years and different instruments. The stock is a 2023 survey estimate. The flows are administrative counts for 2024. They are published together because both are needed to read either, but they are not a single consistent series and must not be differenced against each other.",
    "unverified_entries": [
        "No borough breakdown of rent stabilized units is published here. Neither source reviewed provides one, and estimates circulating elsewhere could not be traced to a primary source.",
        "Units leaving stabilization in 2024 are reported by the source as at least 11,042, not as an exact count. The figure is published with that qualification rather than presented as precise."
    ],
    "license": "CC BY 4.0. Attribution: Homzora, homzora.co",
    "methodology": "https://homzora.co/new-york/guides/methodology/",
    "columns": [
        "measure",
        "value",
        "as_of",
        "notes"
    ],
    "rows": [
        {
            "measure": "Rent stabilized units, citywide",
            "value": "About 960,000",
            "as_of": "2023",
            "notes": "Derived by the source as 41.3 percent of 2,323,990 occupied rental units. Reported as just under one million."
        },
        {
            "measure": "Share of occupied rental units that are rent stabilized",
            "value": "41.3 percent",
            "as_of": "2023",
            "notes": "New York City Housing and Vacancy Survey."
        },
        {
            "measure": "Total occupied rental units, citywide",
            "value": "2,323,990",
            "as_of": "2023",
            "notes": "The denominator for the share above."
        },
        {
            "measure": "Vacancy rate among rent stabilized units",
            "value": "0.98 percent",
            "as_of": "2023",
            "notes": "Below one percent. For context, a vacancy rate under 5 percent is the statutory basis for continuing rent stabilization."
        },
        {
            "measure": "Rent stabilized units that were overcrowded",
            "value": "13.1 percent",
            "as_of": "2023",
            "notes": "As defined by the survey."
        },
        {
            "measure": "Units entering rent stabilization",
            "value": "About 25,940",
            "as_of": "2024",
            "notes": "Annual changes report."
        },
        {
            "measure": "Units leaving rent stabilization",
            "value": "At least 11,042",
            "as_of": "2024",
            "notes": "Reported as a minimum by the source, not an exact count."
        },
        {
            "measure": "Net change in stabilized units",
            "value": "Plus 14,898",
            "as_of": "2024",
            "notes": "Entries minus the reported minimum for exits. Because exits are a floor, the true net gain may be smaller."
        },
        {
            "measure": "Largest single reason for leaving",
            "value": "Market rate threshold exemption under 421-a",
            "as_of": "2024",
            "notes": "6,191 units, 56 percent of recorded losses."
        },
        {
            "measure": "Second largest reason for leaving",
            "value": "Expiry of 421-a tax benefits",
            "as_of": "2024",
            "notes": "3,193 units, 29 percent of recorded losses."
        },
        {
            "measure": "Co-op and condominium conversions",
            "value": "819 units",
            "as_of": "2024",
            "notes": ""
        },
        {
            "measure": "Substantial rehabilitation exemptions",
            "value": "507 units",
            "as_of": "2024",
            "notes": ""
        },
        {
            "measure": "Expiry of J-51 benefits",
            "value": "330 units",
            "as_of": "2024",
            "notes": ""
        }
    ]
}