Setauket, NY Office Spaces for Sale

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Updated: Aug 23

Office Unit with Private Suites

100 S Jersey, Setauket, NY 11733

$325,000

Three private office suites with French‑door entries
Communal work area plus dedicated reception space
Kitchen includes a refrigerator and sink
One private bathroom and on‑site parking
Updated natural‑gas heating system that is 6 yr old

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Updated: May 11, 2025

Ground-Floor Medical Office Suite

8 Technology Drive, East Setauket, NY 11733

$999,995

2.84 AC lot

Ground‑floor Suite 103 previously used by a medical practitioner
2500 square feet of office space
2.84‑acre property in East Setauket
Central air and on‑site parking lot
Constructed in 1988 with block, brick, frame, and stucco materials

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Ground-Floor Office Unit

8 Technology Dr Unit 103, East Setauket, NY 11733

$999,995

2,500 sqft

Approximately 2,500 square feet with direct ground-level access and prior medical office use.

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See what stands out in Suffolk County

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

Cap Rate available after sign in

NOI available after sign in

Local Demand available after sign in

Fully Leased Medical Office Portfolio

220 N. Belle Mead Road, East Setauket, NY 11733

Contact for pricing

22,456 sqft 2.13 AC lot

Two office buildings support medical and professional occupancy with established tenancy and on-site parking.

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Flex Space with Overhead Door

13 Technology Drive, East Setauket, NY 11733

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13,600 sqft

Corner office space can be paired with an adjacent industrial unit for expanded operations and storage.

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Turnkey Ground-Floor Medical Office Suite

103-8 Nesconset Hwy, East Setauket, NY 11733

$999,995

2,500 sqft

Ground-floor, turnkey office suite previously used by a medical practitioner, with possible expansion options.

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Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center

Three-Suite Office Condo

100 S Jersey Unit 35, Setauket, NY 11733

$325,000

Professional office suite with private rooms, shared workspace, reception, kitchen area, bathroom, and on-site parking.

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Medical Office For Sale

Strongs Neck, NY 11733

$999,995

2.84 AC lot

2500 SF medical office available for sale or lease.

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East Setauket Corner Office Unit

2-21 Technology Dr, East Setauket, NY

Contact for pricing

6,800 sqft 3.08 AC lot

Corner office unit in Stonybrook Technology/Medical Park.

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Based on your search, we've compiled 20 Potential Opportunities for your consideration. Besides 9 Active listings in Setauket, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 3 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Net-Leased Medical Office Asset

492 Old Town Rd, Port Jefferson Station, NY 11776

Contact for pricing

5,000 sqft

Single-tenant medical office with predictable cash flow and rent growth.

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Medical Office Building with Parking

Stonybrook, NY 11790

Contact for pricing

11,000 sqft 39.00 AC lot

Located on County Road 97 near Stony Brook University and Stony Brook University Hospital, with B1-Residence zoning.

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School Facility with Administrative Space

Stonybrook, NY 11790

Contact for pricing

73,990 sqft 20.04 AC lot

B1-zoned property with substantial land area and connections to established academic and medical destinations.

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Built Medical Office Endcap

102 Main Street, Port Jefferson Station, NY 11776

Contact for pricing

Turnkey medical buildout with multiple exam rooms, lead-lined x-ray room, and large windows for patient-focused use.

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Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

J-2 Zoned Commercial Land

N Country Roads, Rocky Point, NY

$390,000

0.41 AC lot

Commercial land in Rocky Point with J-2 zoning and potential for office, retail, workshop, and automotive-oriented uses.

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Commercial Land Along Highway

1467 Montauk Highway, Mastic, NY 11950

$950,000

0.55 AC lot

Vacant commercial parcel with water available and public sewer.

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Commercial Land with Build-to-Suit Plan

34-41 Montauk Highway, East Moriches, NY 11940

$1,289,000

1.45 AC lot

Comm-zoned parcel with septic tank service and a proposed two-building commercial development concept.

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Commercial Land Across From Apartments

770 N Broadway, Amityville, NY 11701

$1,999,990

0.95 AC lot

E Business zoning with public water and public sewer serves the commercial parcel.

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Off-Market Properties in Setauket, NY

Consider similar Off-Market properties in Setauket, NY. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

OFFICE BUILDING

175 Main St, Setauket, NY 11733-2947

Estimated value:

$2,585,000

0.69 AC lot

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OFFICE BUILDING

149 Main St, Setauket, NY 11733-2832

Estimated value:

$305,000

0.14 AC lot

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OFFICE BUILDING

150 Main St, Setauket, NY 11733-2835

Estimated value:

$295,000

0.39 AC lot

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Setauket, NY Office Spaces Market Trends and Statistics

Explore 12 office spaces for sale in Setauket, NY, showcased through 9 active listings on our real estate platform. These investment opportunities span a total of 47,856 square feet of properties for sale, with an estimated market value of $4,649,980.

Sale prices for office spaces in Setauket, NY start at $325,000, averaging $774,996, and reaching up to $999,995 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Demographics Overview

Population 17K

Population Growth (5Y) +5.2%

Median Household Income $174,931

High-Yield Neighborhoods for Investment

Identify Setauket submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

Neighborhood	Average Price
East Setauket - 11733	$325K

Listings Trend

New vs delisted commercial listings in Suffolk County

New Delisted

Total CRE Inventory on Market (SF)

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