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Suffolk County, NY Office Buildings for Sale

37 results
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Professional Office Building on Route 25
$1,200,000
3,486 SF

Professional Office Building on Route 25

1814 Middle Country Rd, Ridge, NY 11961

Professional office building with owner-user suite and lease-up upside.

  • Highly visible location on Middle Country Road (Route 25) with NYSDOT‑verified traffic counts.
  • Hybrid owner‑user/value‑add opportunity with a combined owner‑user suite of approximately 1,800 SF and additional lease‑up potential.
  • Flexible J4 zoning permits a wide range of professional and business office uses including medical and financial.
  • Pro forma Net Operating Income of $72,359.10 and a 6.0% Cap Rate at the asking price.
  • 21 on‑site parking spaces.
Updated: Jan 17
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Updated Office Building on Main
Pending
$949,000
0.11 Acres

Updated Office Building on Main

361 Union Blvd, West Islip, NY 11795

Professional office building with high visibility and modern amenities.

  • High‑profile location on a busy main street with excellent visibility.
  • Move‑in ready, updated professional office building.
  • Ample on‑site parking.
  • Flexible office layout suitable for various professional services (medical, legal, financial, etc.).
  • Bright and spacious interior with natural light.
Updated: Dec 31, 2025
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Westhampton Beach Multi-Unit Office Compound
$1,999,999
0.34 Acres

Westhampton Beach Multi-Unit Office Compound

Multi-unit office compound in Westhampton Beach, renovated and well-located.

16 Library Avenue Ext, West Hampton Beach, NY 11978
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Commercial Investment Property For Sale
$3,699,000

Commercial Investment Property For Sale

Triple net lease, 100% occupied commercial investment property.

375-381 E Main St, Bayshore, NY 11706
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Babylon Commercial Investment Property
$3,699,000
0.57 Acres

Babylon Commercial Investment Property

Commercial property for sale in Babylon, triple net lease.

179 Little East Neck Rd, Babylon, NY 11702
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Commack Office Investment Property
$3,699,000

Commack Office Investment Property

Fully occupied commercial property with triple net lease in Commack.

55 Veterans Memorial Hwy, Commack, NY 11725
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East Patchogue Investment Property
$3,699,000

East Patchogue Investment Property

Triple net lease property, 100% occupied with ample parking.

240 Patchogue Yaphank Rd, East Patchogue, NY 11772
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Centereach Office Space For Sale
$699,000
0.30 Acres

Centereach Office Space For Sale

Office spaces in high-traffic Centereach location on Middle Country Road.

2539 Middle Country Rd, Centereach, NY 11720
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Southampton Commercial Building with Elevator
$6,500,000
5,200 SF

Southampton Commercial Building with Elevator

Newly built commercial building in the heart of Southampton Village.

16 Hampton Rd, Southampton, NY 11968
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Commercial Building in Ronkonkoma, NY
$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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Renovated Office Complex on Route 25
$2,200,000
7,000 SF

Renovated Office Complex on Route 25

Two renovated office buildings totaling 7,000 SF on 2.52 acres.

189 Rte 25/Main Rd, Riverhead, NY 11901
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Affordable Office Building on Main
$698,000
2,000 SF

Affordable Office Building on Main

Two-story office building near transit-oriented development and local amenities.

230 W Main Rd, Riverhead, NY 11901
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Oakdale Office Building For Sale
Pending
$925,000
1,200 SF

Oakdale Office Building For Sale

Office building with ample parking and potential income opportunity.

1405 Montauk Hwy, Oakdale, NY 11769
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Riverhead Commercial Building Near Courts
$898,000
3,000 SF

Riverhead Commercial Building Near Courts

3,000 sq ft commercial building near courts in Riverhead, NY.

145 Griffing Ave, Riverhead, NY 11901
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Modern Commercial Building on High-Traffic Corner
$1,500,000
2,764 SF

Modern Commercial Building on High-Traffic Corner

Versatile commercial building with high visibility and modern amenities.

351 Fort Salonga Rd, Northport, NY 11768
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Hauppauge Office For Sale
$559,990
1,000 SF

Hauppauge Office For Sale

Office building in high-traffic area with parking and finished basement.

774 Townline Rd, Hauppauge, NY 11788
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West Islip Office Near Hospital
Pending
$1,500,000
1,770 SF

West Islip Office Near Hospital

Renovated office space adjacent to Good Samaritan Hospital.

800 Montauk Hwy, West Islip, NY 11795
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Hauppauge Office Building for Sale
Contact for pricing
25,200 SF

Hauppauge Office Building for Sale

Well-located office building with ample parking and updated common areas.

1300 Veterans Memorial Hwy, Hauppauge, NY 11788
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Office Building on Corner Lot
Contact for pricing
10,000 SF

Office Building on Corner Lot

10,000 Sq. Ft. office building on 2.19 acres.

761-765 Middle Country Rd, Selden, NY 11784
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Unique Wood Frame Office Building
Contact for pricing
2,500 SF

Unique Wood Frame Office Building

Renovated office building with adaptable storage, great for investors.

129 Walt Whitman Rd, Huntington Station, NY 11746
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East Hampton Office Building For Sale
$9,900,000
8,500 SF

East Hampton Office Building For Sale

8,500+/- sq. ft. office building on 0.87 acre.

26 Montauk Hwy, East Hampton, NY 11937
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Lake Grove Office Building For Sale
$839,000
2,750 SF

Lake Grove Office Building For Sale

2,750 SF office building on 0.67 acres in Lake Grove.

2800 Middle Country Rd, Lake Grove, NY 11755
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Office/Retail Building on Montauk Highway
$1,750,000

Office/Retail Building on Montauk Highway

High-traffic location with four rentable spaces and ample parking.

1360 Montauk Hwy, Mastic, NY 11950
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Commack Office Building For Sale
Contact for pricing
17,044 SF

Commack Office Building For Sale

Well-maintained office building in Western Suffolk with ample parking.

368 Veterans Memorial Hwy, Commack, NY 11725
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Suffolk County, NY Office Buildings Investment Opportunities Market Analysis

Explore 2678 office buildings for sale in Suffolk County, NY, showcased through 37 active listings on our real estate platform. These investment opportunities span a total of 60,291,754 square feet of properties for sale, with an estimated market value of $907,282,989.

Prices for office properties in Suffolk County, NY start at $85,000, averaging $1,285,103, and reaching up to $27,560,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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