Nassau County Housing Market: Prices Climb as Inventory Shrinks

Market Update

June 16, 2025

If you're a homeowner in Nassau County right now, you're sitting on gold. Prices are rising steadily, and there’s no shortage of eager buyers—even with interest rates trending upward.

The real story? Inventory is tight, demand is high, and that combo is keeping the market red-hot heading into 2025.

According to data from OneKey MLS, single-family home prices in Nassau hit an average of $775,000 in November, a 6.9% increase year-over-year.

Zoom out a bit and the 12-month average is sitting at $776,000, up 9.3% from the previous year.

Median prices in Q3 spiked to $820,000—before higher interest rates began to cool things down ever so slightly.

What’s fueling this growth? Simple: supply and demand. Inventory of single-family homes fell 13.9% to just 1,706 properties for sale in November, while closed sales dipped 7.5%.

When inventory drops and demand holds strong, prices tend to soar—and that’s exactly what we’re seeing.

Buyers aren’t just paying high prices; they’re also meeting seller demands on terms. Flexibility around closing dates and contingencies is becoming the norm as competition remains fierce.

And even with higher rates, houses are still moving fast—averaging 51 days on the market, down from 53 the year before.

From a listing agent's perspective, now is prime time to bring a move-in ready home to market. The sweet spot?

Properties under $1 million, especially in sought-after communities like Rockville Centre, are getting offers within days.

Condos are telling a similar story—maybe even more extreme. The median condo price jumped a whopping 19.4% year-over-year to $847,000. While condos took a bit longer to sell (80 days on average), inventory dropped just like in the single-family sector.

Co-ops remain the most affordable option, with median prices inching up to $330,000. However, inventory here saw the steepest drop—over 30%. That’s a telling sign that even budget-friendly options are drying up.

If you’re a seller in Nassau, this is your market. Whether you’re downsizing, relocating, or trading up, you’re likely to get strong offers—fast. For buyers, speed and flexibility are your best bets to secure a deal.

And for agents? This is the time to educate clients about market realities and strategize creatively to win deals in a competitive environment.

Disclaimer: This content is meant for informational purposes only and is not intended to be construed as financial, tax, legal, or insurance advice.

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