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357 Smithtown Boulevard, 
Nesconset, NY 11767

$4,250,000


3

Beds


Bath


1,000

Sq Ft


Single Family

Active

Listed by

Jaclyn Marra

Keller Williams Upstate Nyprop

Last updated:

July 26, 2026, 11:07 AM

MLS#

1017932

Source:

OneKey MLS

About This Home

357 Smithtown Boulevard

For the first time in more than 75 years, a legacy of land assembled over generations is being offered to the public. Beginning with the acquisition of its first parcel in 1949, what started as a single investment has evolved into a remarkable nine-parcel assemblage encompassing approximately 4.21 acres in the heart of the Ronkonkoma/Nesconset corridor. Never before offered as one acquisition, this is a once-in-a-generation opportunity to control an entire mixed-use portfolio with exceptional flexibility and long-term potential. More than just real estate, this is the opportunity to shape the future of an entire development block. Whether your vision is a thoughtfully planned residential community, a mixed-use redevelopment, an income-producing investment portfolio, or a phased development strategy, this offering provides a foundation that would be extraordinarily difficult to recreate in today's market. The assemblage includes: • Two commercially zoned parcels with prominent frontage and visibility along Smithtown Boulevard. • A six-unit multifamily property providing immediate income while future plans are developed. • Five contiguous residential development parcels totaling approximately 2.75 acres, offering exceptional potential for future residential expansion. • A single-family residence that may serve as an owner-occupied home, rental property, or future redevelopment component. What makes this offering truly exceptional is not simply the acreage—it's the opportunity. Acquiring nearly an entire development block under one ownership eliminates the time, uncertainty, and expense of assembling multiple properties from different owners. It creates a level of flexibility and control that is increasingly difficult to find in today's market. Strategically positioned with frontage on Smithtown Boulevard and additional access from Spectacle Lake Drive and Lillian Drive, the property enjoys outstanding visibility, multiple access points, proximity to Lake Ronkonkoma, the Long Island Rail Road, shopping, dining, major transportation corridors, and regional employment centers. Very few opportunities offer this combination of location, existing income, commercial frontage, residential development potential, and long-term flexibility within a single acquisition. For more than seven decades, this property has been part of one family's story. Today, it is ready to become part of someone else's vision. All information is deemed reliable but not guaranteed. Buyers are responsible for independently verifying zoning, permitted uses, development potential, approvals, utilities, lot dimensions, environmental conditions, and all other matters material to their intended use.

Home Facts

Single Family

3 Bedrooms

Built in 1950

Price Summary

4,250,000

$4,250 per Sq. Ft.

MLS #:

1017932

Last Updated:

July 26, 2026, 11:07 AM

Added:

a month ago


Rooms & Interior

Bedrooms

Total Bedrooms:

3

Bathrooms

Full Bathrooms:

2

Interior

Living Area:

1,000 Sq. Ft.


Structure

Structure

Building Area:

1,000 Sq. Ft.

Year Built:

1950


Lot

Lot Size (Sq. Ft):

183,387


Finances & Disclosures

Finances

Price:

$4,250,000

Price per Sq. Ft:

$4,250 per Sq. Ft.

Source:OneKey MLS
Copyright 2026 OneKey MLS. All rights reserved. Listings courtesy of OneKey MLS as distributed by MLS GRID . OneKey MLS provides content displayed here (“provided content”) on an “as is” basis and makes no representations or warranties regarding the provided content, including, but not limited to those of non-infringement, timeliness, accuracy, or completeness. Individuals and companies using information presented are responsible for verification and validation of information they utilize and present to their customers and clients. OneKey MLS will not be liable for any damage or loss resulting from use of the provided content or the products available through Portals, IDX, VOW, and/or Syndication. Recipients of this information shall not resell, redistribute, reproduce, modify, or otherwise copy any portion thereof without the expressed written consent of OneKey MLS.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.