Port Jefferson, NY Commercial Real Estate for Sale

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22 properties

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Updated: Dec 1, 2025

Storefront Property with Private Parking

Port Jefferson, NY 11777

$810,000

2,000 sqft 0.14 AC lot

2,000‑square‑foot storefront on a 0.14‑acre parcel
Existing dry‑cleaning tenant with three years lease remaining
Lease includes a 3% yearly increase
C2 zoning for a retail‑oriented commercial property
Private driveway with five customer parking spaces

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Updated: Sep 25

Mixed-Use Building with Apartment

1500 Main Street, Port Jefferson, NY 11777

$925,000

0.10 AC lot

Ground‑floor retail with a two‑bedroom, two‑bath residence above
Finished full basement with storage
0.1‑acre parcel with on‑site parking
Separate utilities for the upper‑floor residential or office space
Near the Long Island Rail Road, hospitals, and Port Jefferson’s upper business district

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Commercial Land with Double Curb Cut

527/529 Route 112, Port Jefferson Station, NY 11776

$3,250,000

4.10 AC lot

Level, fenced commercial parcel with public water availability and a landscaped perimeter.

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Two-Building NNN Retail Property

5184 Nesconset Hwy, Port Jefferson Station, NY 11776

$12,500,000

9,752 sqft 3.19 AC lot

Two occupied buildings are leased to Chick-fil-A and Verizon under separate net lease arrangements.

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Mixed-Use Retail/Office Building

228 East Main Street, Port Jefferson, NY 11777

$1,649,000

8,535 sqft

Historic commercial space along Port Jefferson’s East Main Street corridor.

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NNN Dry-Cleaning Property

1502 Main St, Port Jefferson, NY 11777

$810,000

2,000 sqft

NNN property with an established dry-cleaning tenant, private driveway, and dedicated customer parking.

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Mixed-Use Property with Retail Space

230 East Main Street, Port Jefferson, NY 11777

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1,004 sqft

Lower-level commercial area includes private restroom access and multiple entry points.

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Medical Office Building with On-Site MRI

5 MEDICAL DR, Port Jefferson Station, NY 11776

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4,000 sqft

Tenanted neurology practice includes an on-site MRI and benefits from proximity to major regional hospitals.

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Luxury Residential Estate with Indoor Pool

98 Cliff Road, Port Jefferson, NY 11777

$3,199,000

10,122 sqft 1.80 AC lot

Gated luxury residence on 1.8 acres featuring an elevator, indoor pool in an enclosed sunroom, and heated saltwater outdoor pool.

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Net-Leased Medical Office Asset

492 Old Town Rd, Port Jefferson Station, NY 11776

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5,000 sqft

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

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Mixed-Use Building with Apartment

1500 Main St, Port Jefferson, NY 11777

$925,000

Ground-floor retail is paired with an upstairs residence and separate utilities for the upper level.

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Single-Story Retail Building

134 Main Street, Port Jefferson, NY 11777

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15,000 sqft

Single-story retail building with interior and exterior access, including a 5,000 sf Lobster House restaurant.

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Storefront Property

113 W Broadway, Port Jefferson, NY 11777

$1,200,000

Commercial real estate offered for sale at 113 W Broadway in Port Jefferson, New York.

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Mixed-Use Property with Restaurant

217 Main St, Port Jefferson, NY 11777

$2,500,000

The ground-floor restaurant includes a commercial kitchen, refrigeration, and furniture, fixtures, and equipment.

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Two-Level Office Building

903 Main Street, Port Jefferson, NY 11777

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Private suites combine natural light, hardwood floors, storage, and dedicated mini-split air-conditioning.

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Downtown Storefront Property

211 Main Street, Port Jefferson, NY 11777

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Located on Main Street amid pedestrian traffic and surrounding retail, restaurant, and professional office activity.

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Built Medical Office Endcap

102 Main Street, Port Jefferson Station, NY 11776

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

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Renovated Office Building

311 Barnum Avenue, Port Jefferson, NY 11777

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Renovated office property with private parking, storage, and a flexible professional layout.

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Commercial Land Investment Opportunity

525 Rte 112 Rd 1, Port Jefferson Station, NY 11776

$879,990

0.23 AC lot

Commercial land available for sale, permits required.

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Day Care Center

1661 Route 112, Port Jefferson Station, NY 11776

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Located along the northbound side of Route 112 in Brookhaven.

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Office

111 N Country Rd, Port Jefferson, NY 11777

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5,000 sqft

Office buildings · 5,000 SF

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Commercial Land with Dual Curb Cuts

527/529 Route 112, Port Jefferson Station, NY 11776

$3,250,000

Level commercial land with landscaped borders, signal-related features, and development options subject to required approvals.

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Based on your search, we've compiled Potential Opportunities for your consideration. Besides 22 Active Listings in Port Jefferson, NY, we suggest to view alternatives - similar 50 Off-Market properties to explore as potential leads.

Off-Market Properties in Port Jefferson, NY

Consider similar Off-Market properties in Port Jefferson, 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/RESIDENTIAL (MIXED USE)

602 Main St, Port Jefferson, NY 11777-2203

Estimated value:

$1,275,000

0.23 AC lot

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OFFICE/RESIDENTIAL (MIXED USE)

1 Reeves Rd, Port Jefferson, NY 11777-2229

Estimated value:

$915,000

2.50 AC lot

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Port Jefferson, NY Commercial Real Estate Market Trends and Statistics

Explore 72 commercial real estate for sale in Port Jefferson, NY, showcased through 22 active listings on our real estate platform. These investment opportunities span a total of 62,413 square feet of properties for sale, with an estimated market value of $31,897,990.

Sale prices for business properties in Port Jefferson, NY start at $810,000, averaging $2,658,165, and reaching up to $12,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Port Jefferson, NY CRE market trends — vacancy, lease rates and price per SF, updated monthly

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Demographics Overview

Population 9,347

Population Growth (5Y) +4.4%

Median Household Income $148,519

High-Yield Neighborhoods for Investment

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

Neighborhood	Average Price
11777	$1.3M

Listings Trend

New vs delisted commercial listings in Suffolk County

New Delisted

Total CRE Inventory on Market (SF)

Property Size Breakdown

The majority of commercial real estate listings in Port Jefferson fall within the 2,500 to 5,000 square foot range.

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