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New York Market Insights · Data as of September 2026

Nassau County

Figures are county and metro level from public sources, not individual MLS transaction data, and are not an appraisal.

The market read

Nassau County is a seller's market, with 2.9 months of supply — well-presented homes are meeting prepared buyers quickly. Homes closed at 101.0% of list price on average after a median 31 days on market. The median sale price is up 2.8% year over year.

Median sale price

$838,124

MoM -4.7% · YoY +2.8%

Median days on market

31 days

MoM +2 days · YoY 0 days

Homes sold

960

New listings

1,004

Active inventory

2,765

Months of supply

2.9 months

Sale-to-list ratio

101.0%

Sold above list price

46.7%

Median price per sq. ft.

$532

Zillow Home Value Index

$851,504

Zillow Observed Rent Index

$3,646/mo

Median sale price and Zillow Home Value Index, 24 months

Sources: Redfin (median sale price); Zillow Research (ZHVI, smoothed). Gaps mark months with fewer than 10 sales. Last updated 2026-10-07.

View as table
PeriodHomes soldMedian sale priceZHVI
October 2024922$765,000$781,878
November 2024790$760,500$784,045
December 2024895$798,500$784,884
January 2025819$770,000$785,437
February 2025640$779,500$787,288
March 2025734$780,000$789,812
April 2025703$770,000$793,799
May 2025780$788,250$797,367
June 2025882$825,000$800,789
July 20251,009$825,000$803,161
August 20251,090$847,000$804,060
September 2025969$815,111$805,200
October 2025978$820,000$806,974
November 2025774$810,000$809,972
December 2025886$810,000$813,359
January 2026781$825,000$817,499
February 2026626$823,360$822,304
March 2026675$800,000$827,845
April 2026640$825,000$831,824
May 2026744$847,000$835,604
June 2026924$850,000$839,311
July 20261,097$860,000$843,946
August 20261,101$879,000$848,651
September 2026960$838,124$851,504

Community context

U.S. Census Bureau, American Community Survey 5-Year. A demographic baseline, not a monthly market figure.

Median household income
Insufficient data
Owner-occupied share
Insufficient data
Total housing units
Insufficient data

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Sources: Redfin Data Center (data as of 2026-10-07), a national real estate brokerage; Zillow Research (data as of 2026-09-30) — Zillow Home Value Index (ZHVI) and Zillow Observed Rent Index (ZORI); U.S. Census Bureau, American Community Survey 5-Year estimates.

Figures are county and metro level from public sources, not individual MLS transaction data, and are not an appraisal. Data is for informational purposes only, is not a guarantee, and may be revised by the source. Not MLS data.

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