Suffolk County, NY Office Buildings for Sale

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Updated: Mar 25

Melville Office Building For Sale

135 Maxess Road, Melville, NY 11747

$5,200,000

24,338 sqft

Located in the heart of the Melville Business Corridor, offering a prime business location.
Seconds from Long Island Expressway, providing exceptional accessibility.
New HVAC system to service all three floors.
New 5.2” R30 Poly ISO roof installed in 2021 with 20 year Golden Seal Total System Warranty.
4:1 parking ratio with covered parking.

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This listing looks promising.

Here's a quick look at some key insights for

135 Maxess Road, Melville, NY, 11747

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Est. Cap Rate

8.1%
Above avg (5.9%)
Est. NOI

$419K
Annual
Mortgage

$2.5M
Jan 2025
Last Sold

Jan 2025
$4.19M

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Updated: Jan 15

Professional Office Building on Route 25

1814 Middle Country Road, Ridge, NY 11961

$875,000

3,486 sqft 0.44 AC lot

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 Business zoning permits a wide range of professional and business office uses (medical, financial, service‑oriented).
Pro forma Net Operating Income of $72,359.10 and a 6.0% Cap Rate at the asking price.
21 on‑site parking spaces.

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Freestanding Office Building

362 Mooney Pond Road, Farmingville, NY 11738

$649,999

0.14 AC lot

Two-unit office property with separate electric meters, central air, parking, and flexible interior configuration.

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Two-Story Brick Office Building

146 Railroad Avenue, Sayville, NY 11782

$1,600,000

0.17 AC lot

Three-unit configuration includes a basement, updated bathrooms, and a modern kitchen.

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Professional Office Building with Tenant

198 Terry Rd, Smithtown, NY 11787

$948,000

1,683 sqft 0.25 AC lot

Well-maintained 1,683 SF office building on a 10,890 SF lot with NB zoning and an income-producing lower-level tenant.

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Office Building with Private Parking

147 N Ocean Avenue, Patchogue, NY 11772

$874,999

0.36 AC lot

Flexible professional layout along a primary Village gateway corridor with dedicated on-site parking.

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Office Building with 22+ Parking Spaces

147 N Ocean Avenue, Patchogue, NY 11772

$874,999

0.36 AC lot

Oil-heated office building on North Ocean Avenue with public water and an on-site private parking lot.

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Corner Office Building

1 Arrowood Lane, Melville, NY 11747

$1,050,000

0.20 AC lot

Renovated ranch property with central air, full basement, and access to major commuter routes.

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Professional Office Building on Route 25

1814 Middle Country Rd, Ridge, NY 11961

$875,000

3,486 sqft

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

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Medical Office Building with Parking

976 Roanoke Avenue, Riverhead, NY 11901

$750,007

0.22 AC lot

Flexible professional layout includes treatment rooms, private offices, two bathrooms, and central air conditioning.

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Fenced Industrial Property With Office

201 Union Boulevard, West Islip, NY 11795

$4,200,000

1.20 AC lot

IND1-zoned industrial property with permitted fuel storage and a separate climate-controlled office building.

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Office Building with Available Space

4 Technology Dr, Setauket-, East Setauket, NY 11733

$2,384,000

52,720 sqft

Office 4 Technology is available for sale with 5,173 SF of office space.

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Professional Office Building

1814 Middle Country Road, Ridge, NY 11961

$875,000

0.44 AC lot

Four-unit office property with J4 Business zoning, Route 25 exposure, and on-site parking for professional users.

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Renovated Multi-Tenant Office Building

128 Carleton Avenue, East Islip, NY 11730

$800,000

0.28 AC lot

Fully occupied office property with updated shared amenities, a detached storage garage, and flexible multi-tenant configuration.

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Riverhead Office Building For Sale

211 Roanoke Ave, Riverhead, NY 11901

$650,000

2,437 sqft 0.14 AC lot

Two-story office building in downtown Riverhead with parking.

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Mixed-Use Building with Office Space

930 Sunrise Highway, North Babylon, NY 11704

$899,000

0.16 AC lot

Two-story professional office layout includes a finished basement with its own exterior entrance.

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NNN Office Investment Property

33 W 2nd St, Riverhead, NY 11901

$6,495,000

26,235 sqft

Single-tenant office asset with a new long-term NNN lease and elevator access.

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Ronkonkoma Avenue Freestanding Office Building

218 Ronkonkoma Ave, Ronkonkoma, NY 11779

$749,000

1,400 sqft

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

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Brick Live-Work Property

156 N Ocean Avenue, Patchogue, NY 11772

$929,900

Two-level brick property zoned for residential and professional office use, with central air conditioning and private parking.

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Zoned GSD Office and Medical Site

55 Carleton Ave, East Islip, NY 11730

$1,650,000

6,100 sqft 0.98 AC lot

Commercial property on Carleton Avenue suited for office, medical, or veterinary use under GSD zoning.

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Renovated Corner Ranch with Basement

1 Arrowood Lane, Melville, NY 11747

$1,050,000

0.20 AC lot

Well-maintained ranch with central air, gas heat, full basement, and a fully enclosed yard on a corner site.

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Free-Standing Flex Office Building

554 Hauppauge Rd, Smithtown, NY 11787

$1,495,000

0.30 AC lot

Free-standing flex/office building on a 13,000+ sq. ft. lot with 3 bays, high ceilings, office space, and 32 parking spaces.

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Office Building with Expansion Potential

55 Carleton Avenue, East Islip, NY 11730

$1,650,000

0.98 AC lot

GSD-zoned office property with public water, public sewer, and access to central air conditioning.

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Historic Mixed-Use Building

218 Griffing Avenue, Riverhead, NY 11901

$625,000

0.21 AC lot

Two-level property with office and residential use history, rear parking, detached garage, and public water and sewer.

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Suffolk County, NY Office Buildings Market Trends and Statistics

Explore 75 office buildings for sale in Suffolk County, NY, showcased through 75 active listings on our real estate platform. These investment opportunities span a total of 587,337 square feet of properties for sale, with an estimated market value of $68,404,903.

Sale prices for office properties in Suffolk County, NY start at $400,000, averaging $1,753,971, and reaching up to $6,495,000 — 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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