Photo: Iracaz · CC BY-SA 3.0126 homes sold in Mount Sinai in the last year, at a typical $769K
About one sale in 3 is a condo. Below: what each kind of home sells for, what your budget buys, the best months to buy, how hard you’ll have to bid, and a shortcut to every site where Mount Sinai homes are listed.
Every place Mount Sinai homes are listed, in one stop
We don’t copy listings: the agents’ sites have the photos and the latest price changes. Set what you want once and we open each site already filtered to Mount Sinai.
For sale
Rent
New, land & open houses
Links open the listing sites; TownRatings isn’t paid for them and doesn’t rank one above another. Rentals and government-owned homes come from sources outside the MLS.
29% of Mount Sinai’s sales are condos, at $80K less than a house
93 houses and 38 condos sold in the year to May 2026. Houses sell faster and draw more bidding wars.
typical sale · 93 sold in the year to May 2026
- Per square foot
- $338NY $316
- Days to sell
- 47
- Sold over asking
- 59%
- Listings with a price cut
- 22%
typical sale · 38 sold in the year to May 2026
- Per square foot
- $364NY $832
- Days to sell
- 53
- Sold over asking
- 50%
- Listings with a price cut
- 37%
Fewer homes sell than before 2022, at 1.8 times the 2016 price
126 sales in the last year, against 210 in 2021 and a low of 118 in 2012. The typical sale went from $432K in 2016 to $769K.
Source: Redfin Data Center, MLS sales; from June 2026 each month is a 3-month rolling window, its counts divided by 3. Typical price and $/sq ft are the monthly medians, weighted by sales. Redfin stopped publishing towns’ figures by property type after May 2026, so houses and condos are shown for the year to then.
What $750K buys in Mount Sinai
Check a listing against what Mount Sinai homes sold for
Against the town’s median price per square foot over the last 12 months. A rough check: condition, lot and location within town move a price more than this can see.
Bidding wars in Mount Sinai are more common than before the pandemic, but two thirds fewer homes come up for sale
We read every month of Mount Sinai’s home sales since 2012 so you don’t have to. Each figure covers 12 months, because a single month in a town is too few sales to mean much. Latest: the year to September 2026, 126 sales.
If you’re buying in Mount Sinai
- Shop in April. It brings about 22 new listings a month, close to the busiest month, with fewer bidding wars (31% over asking).
- Bid near asking. Buyers paid 100.5% of the list price on average; 44% paid over.
- You’ll usually have time. Only 8% of homes go under contract within two weeks; the typical one takes 45 days.
Spring brings the homes; summer brings the bidding wars
May has the most new listings (about 25 a month), but July is the most competitive: 38% of July sales close over asking. January has the least competition (24%) but only about 13 new listings.
Averages for each calendar month, 2015 on.
Nearly as heated as 2021, and about like New York as a whole
| Mount Sinai now | 2017–19 | 2021 peak | NY now | |
|---|---|---|---|---|
| Sold over askingShare of sales that closed above the list price | 44% | 19% | 47% | 39% |
| Gone within two weeksShare of homes under contract within 14 days | 8% | 5% | 11% | 25% |
| Price paid vs. askingAverage sale price ÷ list price | 100.5% | 98% | 100% | 100.5% |
| Days to sellMedian days from listing to contract | 45 | 74 | 38 | 43 |
24 homes for sale on a typical day
That’s 1.2 times the 2023 low (20), 65% fewer than in 2017–19 and well under 2012’s 101.
Since 2019, houses are up 61%, condos 57%
A house typically sold for $806K in the year to May 2026 (93 sales), a condo for $726K (38).
Median sale price, weighted by sales each month. Years with fewer than 4 sales of a type are left out.
Mount Sinai ranks 266th of 363 busy New York markets for bidding wars
Share of sales over asking in the last year, among towns with 60 or more sales. Mount Sinai is in the middle of the pack.
Source: Redfin Data Center, city figures, January 2012 to September 2026 (MLS sales, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). Ratios are weighted by homes sold; price cuts by homes for sale.
Four things worth knowing
New listings in May
The month with the most choice. December has the fewest, about 8.
Best time to buyTypical commute
The average one-way trip to work for people who live in Mount Sinai.
Work & commuteCheck the flood map
Flood insurance isn’t in a standard policy, and lenders require it in FEMA flood zones. Check the address before you make an offer.
Natural hazardsLook up any property
Assessed value, lot size and every past sale of a home you’re eyeing are public, at the town or county assessor and the registry of deeds.
Terryville sells for less a square foot
The busier markets within 25 miles of Mount Sinai, by what sold. Prices, taxes and how far a paycheck goes next door are on Cost of living.
| Sold | Typical sale | $/sq ft | Over asking | Days to sell | |
|---|---|---|---|---|---|
| Miller Place | 133 | $731K | $363 | 52% | 33 |
| Mount Sinai | 126 | $769K | $346 | 44% | 45 |
| Sound Beach | 118 | $514K | $372 | 62% | 28 |
| East Setauket | 113 | $750K | $368 | 55% | 31 |
| Terryville | 106 | $606K | $324 | 63% | 38 |
| Port Jefferson | 89 | $765K | $364 | 51% | 38 |
| Port Jefferson Station | 76 | $608K | $383 | 63% | 39 |
Redfin Data Center, October 2025 to September 2026. Towns with fewer than 20 sales are left out, and Redfin doesn’t report every town separately.
Post your home to Mount Sinai, free
Selling it yourself, renting out an apartment or looking for a roommate? Post it to Mount Sinai. People who follow the town see it, and so do people comparing Mount Sinai with their own town. No commission, no listing fee.
Questions about buying a home in Mount Sinai
What do homes sell for in Mount Sinai, NY?
126 homes sold in the year to September 2026 at a typical $769K, $346 a square foot. Houses sold for about $806K, condos for about $726K in the year to May 2026.
Is Mount Sinai a buyer’s or seller’s market?
A seller’s market: 26 homes were for sale in September 2026 and 14 sold, about 1.8 months of supply. Buyers paid 100.5% of asking on average.
When is the best time to buy in Mount Sinai?
May brings the most new listings. The sales history shows which months have fewer bidding wars.
Where can I see homes for sale in Mount Sinai?
Zillow, Redfin, Realtor.com and Homes.com all carry Mount Sinai’s MLS listings; the search links above open each one filtered to Mount Sinai.
Sales, prices, days on market and listings: Redfin Data Center (MLS, monthly, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). Property tax rate: Census American Community Survey. Two-bedroom rent: HUD Fair Market Rent. Typical home value: Zillow Home Value Index. Schools grade: TownRatings (how grades work).