2026-08-19 · by Mohammed Mudassir

The Down Payment Help Long Island Buyers Forget to Ask About

*Nassau and Suffolk both run programs that can hand a first time buyer real money toward a down payment, but the rules and the funding change often enough that most buyers never find out in time.*

If you are saving for a home on Long Island, you have probably done the math on a twenty percent down payment and felt your stomach drop. What a lot of buyers do not know is that both counties run their own assistance programs built specifically to close that gap, and they are administered locally rather than through some faceless national lender.

What Nassau County Offers

Nassau runs its program through the Long Island Housing Partnership as an agent for the county's Office of Community Development. Under the current guidelines, Nassau County will provide eligible first time homebuyers with up to $50,000 toward down payment and closing costs on an eligible new or existing single family home, as long as the applicant puts down a minimum of $5,000 of their own money.

The county caps what you can buy with that help. The maximum purchase price of a single family home is $594,000, and foreclosures, short sales, and bank owned properties are not permitted under this program. You also have to fall under the income limits set for your household size, and those limits factor in essentially every source of income you have, from overtime to pensions to Social Security, according to the program guidelines published by the Long Island Housing Partnership.

The money itself is structured as a deferred loan rather than a straight grant. The funds are essentially zero interest deferred loans that are forgiven after fifteen years under one set of county guidelines, though other summaries of the same program describe a ten year forgiveness period, so you will want written confirmation of the exact term before you count on it. Either way, staying in the home for the full term matters. If you sell or move out early, you may owe some or all of it back.

What Suffolk County Offers

Suffolk's program works differently and covers less ground geographically. First time homebuyers can get up to $30,000 toward a down payment for a single family residence, as long as they live in that home for at least 10 years, a jump up from the $14,000 the county offered before that change. Like Nassau's program, it is structured as a loan rather than a gift. The Suffolk County HOME Consortium down payment assistance funds are essentially zero interest deferred loans that are forgiven after 10 years, and importantly, this program does not fund closing costs, only the down payment itself.

Geography is the catch here. The Suffolk program only covers certain towns. Eligible areas include the Suffolk County Consortium, made up of the five eastern towns, Smithtown and Huntington, excluding certain villages, and separately, Islip, Babylon and Brookhaven have their own programs rather than participating in the county consortium version. If you are house hunting in one of those towns, you need to check with that specific town rather than the county.

Suffolk also sets an income floor as well as a ceiling. Applicants need to show they can actually carry a mortgage, and under the county's published guidelines, all applicant households must have a gross annual income not exceeding 80 percent of the area median income as determined by HUD2024DPAPGuidelinesandApplication-ENGLISH-Fillable-w-signature.pdf), while still needing enough income and credit to qualify for a mortgage in the first place.

Why the Fine Print Matters More Than the Headline Number

Both programs require you to be a first time buyer, which HUD defines fairly specifically. Under the standard used across these programs, a first time buyer is a household that has not owned a home during the three year period immediately prior to the purchase, so a past owner who has been renting for a few years may still qualify.

Funding availability moves around too. These programs open and close as money runs out and gets replenished, and application windows can be tight, with strict cutoff dates for postmarked applications. Before you build a budget around one of these programs, call the county office or the Long Island Housing Partnership directly to confirm the program is currently open and what the exact terms are this month.

If you are trying to figure out what any of this means for a specific house you have your eye on, ask me directly at /askmuds. And if you are a current owner wondering how today's market values compare to what you paid, check your number at /my-home-value/.

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