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Start here

Homes for sale by state
Home buying tips
Before you start looking
The buying timeline

Afford it

Today's mortgage rates
Mortgage calculator
How much can I afford?
Get pre-approved

Make the deal

Writing a winning offer
Inspections & appraisals
Closing costs, itemized
Find a buyer's agent

Save search Advertise Sign In

Saved homes Saved searches Your tours Your inquiries Recently viewed Account settings

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What's my home worth?
Compare selling options
Get an instant cash offer
Buy before you sell

Resources

How selling works
When should I sell?
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Pricing your home
What's worth fixing first
Find a seller's agent

Homes Under $300K in Smithtown, NY

3 listings

Homes Under $300K in Smithtown, NY

Homes Under $300K in Smithtown, NY

3 Listings

Homes Under $300K in Smithtown, NY

3 Listings

New20Active

Your Smithtown agent

JD

Joe Donofrio

Douglas Elliman Real Estate

Lic. #30DO1182050

$269,000

1 bd · 1 ba · 750 sqft

365 Rt 111 a16, Smithtown, NY

Adrienne M. Delio · Howard Hanna Coach

$239,999

1 bd · 1 ba · 750 sqft

10 Smithtown Boulevard 3B, Smithtown, NY

Jennifer Calamia CBR · Signature Premier Properties

$280,000

1 bd · 1 ba · 900 sqft

355 Route 111 Unit #30 Route 111 30, Smithtown, NY

Anthony Rubino · Leading Edge R E Services

L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

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Your Smithtown agent

JD

Joe Donofrio

Douglas Elliman Real Estate

Lic. #30DO1182050

Listing data & MLS disclosures

OneKey MLS: The data relating to real estate for sale on this website comes in part from the Internet Data exchange of OneKey MLS. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Copyright © 2026 OneKey MLS. All Rights Reserved

Smithtown, NY community profile

Area: 15.7 sq. mi.

Source: HJN community data

Smithtown housing market

August 2026 · This period is still settling

Selling at 104.4% of asking price

Buyers here are paying above asking. MLS · 38 sales · as of Aug 31, 2026

Homes that sold · County records, as of Aug 17, 2026

Median sale price: $759,000$675,000–$808,000 typical range
Sales: 11
Paid in cash: 36.4%

Homes on the market · MLS, as of Aug 24, 2026–Aug 31, 2026

Median list price: $849,000
Homes for sale: 56
Median days on market: 16 days

Price trend · Assessor repeat sales, as of Aug 31, 2026

Year-over-year: -1.4%

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Aug 20, 2026

Median home size: 1,906 sq. ft.