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Danielle Sandella and Kim Fontanez on Commack Market

Commack Real Estate Market, September 2026

In Commack, 11 of 16 sales closed at or above asking in September 2026, down from all 17 sales in August and from 73.53 percent a year earlier.

September 30, 2026, updated · Danielle Sandella and Kim Fontanez, Licensed Real Estate Salespersons

The median sale price came in at $818,500, down from $900,000 in August and from $830,000 in September 2025, while the median price per square foot rose to $450 from $421 in August and sat just under the $455 of a year ago. Median square feet fell to 1,700 from 2,127 in August, so smaller houses made up more of the month's closings even as the per foot figure climbed. The median sale to list ratio was 103.16 percent, above August's 102.04 percent.

Sixteen sales closed, against 17 in August and 34 in September 2025, and 14 new listings came on. Half the month's sales sat below $800,000: five closed between $600,000 and $699,999, against two a year earlier, while the $700,000 to $799,999 range held two sales against 11 in September 2025. Four sales closed at $1,000,000 and over, compared with seven a year earlier. The median time to contract was 22 days, against 20 in August and 17 a year ago.

Thinking of selling? Read the Commack Seller's Guide.

September 2026 against the last year

September 2026 Lowest Highest Where it ranks
Median sale price $818,500 $733,000 $902,500 12 of 16
Median days on market 22 days 14 days 36 days 6 of 16
Median price per square foot $450 $378 $522 8 of 16
Sold at or above asking 68.8% 41.7% 100% 10 of 16
Closed sales 16 7 34 12 of 16
Sale price against asking 103.2% 99.2% 105.1% 4 of 16
Median size of what sold 1,700 sq ft 1,572 sq ft 2,355 sq ft 14 of 16

Ranked against the 16 months Danielle Sandella and Kim Fontanez holds for Commack, not against every month on file.

Data courtesy of OneKey MLS as distributed by MLS GRID as of September 2026.

Median sale price, month by month

Commack, Jul 2025 to Oct 2026. Low $733,000, high $902,500.
MonthMedian sale price
Jul 2025 $869,000
Aug 2025 $872,500
Sep 2025 $830,000
Oct 2025 $827,500
Nov 2025 $871,500
Dec 2025 $790,000
Jan 2026 $805,000
Feb 2026 $827,500
Mar 2026 $845,000
Apr 2026 $733,000
May 2026 $835,000
Jun 2026 $816,500
Jul 2026 $852,500
Aug 2026 $900,000
Sep 2026 $818,500
Oct 2026 $902,500

Data courtesy of OneKey MLS as distributed by MLS GRID as of September 2026.

What sold in Commack, by price

16 closed sales in September 2026, against 34 in September 2025.
Price September 2026 Share September 2025
$500k to $600k 0 0% 1
$600k to $700k 5 31% 2
$700k to $800k 2 13% 11
$800k to $900k the median is here 2 13% 7
$900k to $1m 3 19% 6
$1m and above 4 25% 7

Data courtesy of OneKey MLS as distributed by MLS GRID as of September 2026.

Questions about Commack

What is a house in Commack worth right now?

The median sale price in Commack was $818,500 in September 2026, across 16 closed sales. That compares with $900,000 in August 2026 and $830,000 in September 2025. The median price per square foot was $450.

Are houses selling over asking in Commack?

Yes, in most cases. Of the 16 Commack sales that closed in September 2026, 11 went at or above asking. The median sale to list ratio was 103.16 percent. In August 2026 all 17 sales closed at or above asking, and in September 2025 the share was 73.53 percent.

How long does it take to sell a house in Commack?

The median time from listing to contract for Commack sales closing in September 2026 was 22 days, compared with 20 days in August 2026 and 17 days in September 2025.

What can you buy in Commack under $800,000?

In September 2026, seven of Commack's 16 sales closed below $800,000: five between $600,000 and $699,999 and two between $700,000 and $799,999. No sale closed between $500,000 and $599,999. A year earlier the same two ranges accounted for 13 sales, most of them between $700,000 and $799,999.

How many million dollar homes sell in Commack?

Four Commack sales closed at $1,000,000 and over in September 2026, out of 16 total closings. In September 2025, seven sales closed at that level out of 34.

Why did Commack's median price fall while price per square foot rose?

Median square feet among Commack sales fell to 1,700 in September 2026 from 2,127 in August 2026. Smaller houses made up more of the month's closings, which pulled the median sale price down to $818,500 from $900,000, while the median price per square foot rose to $450 from $421.

How many homes are selling in Commack?

Sixteen sales closed in Commack in September 2026, against 17 in August 2026 and 34 in September 2025. Fourteen new listings came on the market during the month, down from 33 in August.

These are town wide aggregates across 16 closings, and a particular house can sell well above or below them depending on its condition, location and finish.

Data courtesy of OneKey MLS as distributed by MLS GRID as of September 2026.

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