Port Jefferson Station, NY Office Buildings for Sale

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Coram, NY Selden, NY East Setauket, NY

$799,000

5,000 SF

Professional Office Building For Sale

111 N Country Road, Port Jefferson, NY 11777

Well-maintained 5,000 SF office building in Port Jefferson, NY.

Prime location in Port Jefferson, Long Island, close to hospitals, train, and bus lines.
Well‑maintained 5,000 SF professional office building with two modern units.
Major suite renovations completed in 2019.
Strong leasing history with upside potential.
Suitable for owner‑user or investment.

Updated: Nov 21, 2025

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$799,000

5,000 SF

Office

111 N Country Rd, Port Jefferson, NY 11777

Office buildings · 5,000 SF

Well‑maintained 5,000 SF professional office building in Port Jefferson, NY.
Two modern office suites with major renovations completed in 2019.
Located within the Village of Port Jefferson's PO (professional office) zoning.
Strong occupancy history with upside potential.
Convenient location near Northwell's John T. Mather Hospital and Catholic Health's St. Charles Hospital.

Updated: Jul 2, 2024

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Based on your search, we've compiled 142 Potential Opportunities for your consideration. Besides 2 Active listings in Port Jefferson Station, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 132 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.

Professional Office Building on Route 25

$1,000,000

0.44 Acres

Professional Office Building on Route 25

3,486 SF office building with owner-user suite and lease-up upside.

1814 Middle Country Road, Ridge, NY 11961

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$875,000

0.44 Acres

Professional Office Building on Route 25

3,486 SF office building with owner-user suite and lease-up upside.

1814 Middle Country Road, Ridge, NY 11961

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$650,000

2,300 SF

Commercial Building in Ronkonkoma, NY

Updated Hi-Ranch with modern amenities and convenient location.

294 Fir Grove Rd, Ronkonkoma, NY 11779

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Ronkonkoma Avenue Freestanding Office Building

$749,000

1,400 SF

Ronkonkoma Avenue Freestanding Office Building

Freestanding, renovated office building with two suites and ample parking.

218 Ronkonkoma Ave, Ronkonkoma, NY 11779

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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.

$390,000

0.41 Acres

Rocky Point Commercial Lot

J-2 zoned commercial lot in Rocky Point, NY.

N Country Roads, Rocky Point, NY

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$699,000

0.50 Acres

Commercial Land Near Montauk Highway

Vacant commercial lot near Montauk Hwy, Shirley, NY.

V/L Versa Place, Shirley, NY 11967

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$699,000

0.50 Acres

Commercial Land Near Montauk Highway

Prime commercial lot near shopping, zoned J6, approved for building.

V/L Versa Place, Shirley, NY 11967

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$749,500

0.31 Acres

Commercial Land in Mastic, NY

Commercial land near shopping center and residential neighborhoods.

1287 Montauk Highway, Mastic, NY 11950

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Off-Market Properties in Port Jefferson Station, NY

Consider similar Off-Market properties in Port Jefferson Station, 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.

590 Patchogue Rd

PROFESSIONAL BUILDING • 0.32 Acres

Value Estimation

$665,000

590 Patchogue Rd, Port Jefferson Station, NY 11776-1032

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1075 Rte 112

OFFICE BUILDING • 0.29 Acres

Value Estimation

$715,000

1075 Rte 112, Port Jefferson Station, NY 11776-8051

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650 Hallock Ave

PROFESSIONAL BUILDING • 0.44 Acres

Value Estimation by Request

650 Hallock Ave, Port Jefferson Station, NY 11776-1256

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60 Country Rd

OFFICE BUILDING • 0.65 Acres

Value Estimation

$2,725,000

60 Country Rd, Port Jefferson Station, NY 11777-2188

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492 Old Town Rd

PROFESSIONAL BUILDING • 0.36 Acres

Value Estimation by Request

492 Old Town Rd, Port Jefferson Station, NY 11776-2249

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Medical Dr

PROFESSIONAL BUILDING • 0.33 Acres

Value Estimation

$890,000

Medical Dr, Port Jefferson Station, NY 11776

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1650 Rte 112

PROFESSIONAL BUILDING • 3.26 Acres

Value Estimation by Request

1650 Rte 112, Port Jefferson Station, NY 11776-3060

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7 Roosevelt Ave

OFFICE BUILDING • 0.21 Acres

Value Estimation by Request

7 Roosevelt Ave, Port Jefferson Station, NY 11776-3336

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425 Old Town Rd

PROFESSIONAL BUILDING • 2,506 SF

Value Estimation

$615,000

425 Old Town Rd, Port Jefferson Station, NY 11776-3627

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5225 Nesconset Hwy Ste, Unit 15

PROFESSIONAL BUILDING • 0.03 Acres

Value Estimation

$1,050,000

5225 Nesconset Hwy Ste, Port Jefferson Station, NY 11776-2054

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6 Roosevelt Ave

OFFICE BUILDING • 0.46 Acres

Value Estimation

$1,150,000

6 Roosevelt Ave, Port Jefferson Station, NY 11776-3364

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5225 Nesconset Hwy

PROFESSIONAL BUILDING • 0.02 Acres

Value Estimation by Request

5225 Nesconset Hwy, Port Jefferson Station, NY 11776-2053

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Roosevelt Ave

OFFICE BUILDING • 0.19 Acres

Value Estimation by Request

Roosevelt Ave, Port Jefferson Station, NY 11776

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5360 Nesconset Hwy

PROFESSIONAL BUILDING • 0.67 Acres

Value Estimation

$995,000

5360 Nesconset Hwy, Port Jefferson Station, NY 11776-2018

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10 Roosevelt Ave

PROFESSIONAL BUILDING • 0.46 Acres

Value Estimation by Request

10 Roosevelt Ave, Port Jefferson Station, NY 11776-3393

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1050 Hallock Ave

OFFICE BUILDING • 0.54 Acres

Value Estimation

$1,180,000

1050 Hallock Ave, Port Jefferson Station, NY 11776-1214

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1010 Rte 112

PROFESSIONAL BUILDING • 1.10 Acres

Value Estimation

$4,480,000

1010 Rte 112, Port Jefferson Station, NY 11776-3387

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Roosevelt Ave

PROFESSIONAL BUILDING • 0.46 Acres

Value Estimation by Request

Roosevelt Ave, Port Jefferson Station, NY 11776

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1 Medical Dr

PROFESSIONAL BUILDING • 0.46 Acres

Value Estimation by Request

1 Medical Dr, Port Jefferson Station, NY 11776-1599

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9 Medical Dr

PROFESSIONAL BUILDING • 0.40 Acres

Value Estimation by Request

9 Medical Dr, Port Jefferson Station, NY 11776-1591

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120 Country Rd

PROFESSIONAL BUILDING • 2.10 Acres

Value Estimation by Request

120 Country Rd, Port Jefferson Station, NY 11777-2604

View details

5225 Nesconset Hwy

PROFESSIONAL BUILDING • 0.05 Acres

Value Estimation by Request

5225 Nesconset Hwy, Port Jefferson Station, NY 11776-2053

View details

Port Jefferson Station, NY Office Buildings Investment Opportunities Market Analysis

Explore 134 office buildings for sale in Port Jefferson Station, NY on our real estate platform. These investment opportunities span a total of 10,000 square feet of properties for sale, with an estimated market value of $1,598,000.

Sale prices for office properties in Port Jefferson Station, NY start at $799,000, averaging $799,000, and reaching up to $799,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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Leading Commercial Asset Segments

Port Jefferson Station Demographics Overview

Population 33K

Population Growth (5Y) +0.1%

Median Household Income $127,711

College Educated 81.1%

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Port Jefferson Station, NY Office Buildings for Sale

Professional Office Building For Sale

Well-maintained 5,000 SF office building in Port Jefferson, NY.

Office

Office buildings · 5,000 SF

Opportunities in Nearby Cities

Professional Office Building on Route 25

Professional Office Building on Route 25

Commercial Building in Ronkonkoma, NY

Ronkonkoma Avenue Freestanding Office Building

Potential Development Sites for Consideration

Rocky Point Commercial Lot

Commercial Land Near Montauk Highway

Commercial Land Near Montauk Highway

Commercial Land in Mastic, NY

Off-Market Properties in Port Jefferson Station, NY

590 Patchogue Rd

1075 Rte 112

650 Hallock Ave

60 Country Rd

492 Old Town Rd

Medical Dr

1650 Rte 112

7 Roosevelt Ave

425 Old Town Rd

5225 Nesconset Hwy Ste, Unit 15

6 Roosevelt Ave

5225 Nesconset Hwy

Roosevelt Ave

5360 Nesconset Hwy

10 Roosevelt Ave

1050 Hallock Ave

1010 Rte 112

Roosevelt Ave

1 Medical Dr

9 Medical Dr

120 Country Rd

5225 Nesconset Hwy

Port Jefferson Station, NY Office Buildings Investment Opportunities Market Analysis

Leading Commercial Asset Segments

Port Jefferson Station Demographics Overview

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