In November 2017, there were 12 homes sold, with a median sale price of $289,750 - a 17.6% decrease over the $351,500 median sale price for the same period of the previous year. There were 12 homes sold in Mount Sinai in November 2016, as well.
The following table compares Mount Sinai to other Suffolk County cities with similar median sales prices in November 2017:
| City | Nov. 2017 Home Sales | Nov. 2016 Home Sales | % change (Total Home Sales) | Nov. 2017 Median Sales Price | Nov. 2016 Median Sales Price | % change (Median Sales Price) |
|---|---|---|---|---|---|---|
| Brentwood | 60 | 61 | -1.6% | $297,400 | $260,000 | 14.4% |
| Ronkonkoma | 23 | 23 | 0% | $296,640 | $320,000 | -7.3% |
| Copiague | 37 | 19 | 94.7% | $293,000 | $260,000 | 12.7% |
| Rocky Point | 22 | 19 | 15.8% | $292,500 | $230,900 | 26.7% |
| North Amityville | 13 | 9 | 44.4% | $290,000 | $217,868 | 33.1% |
| Mount Sinai | 12 | 12 | 0% | $289,750 | $351,500 | -17.6% |
| Coram | 39 | 37 | 5.4% | $289,000 | $273,000 | 5.9% |
| Patchogue | 12 | 7 | 71.4% | $287,500 | $305,000 | -5.7% |
| Port Jefferson Station | 10 | 5 | 100% | $282,500 | $297,000 | -4.9% |
| Sound Beach | 18 | 18 | 0% | $282,000 | $272,500 | 3.5% |
| Selden | 19 | 20 | -5% | $281,991 | $295,305 | -4.5% |
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