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Nassau County, NY Office Buildings for Sale

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Brooklyn, NY New York, NY Bronx, NY
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Farmingdale Office Building For Sale
Updated: Jul 17, 2025
Farmingdale Office Building For Sale

49 Gazza Blvd, Farmingdale, NY

$2,650,000
10,000 sqft · 0.56 AC lot
10,000 SF office building
Located in Farmingdale, NY
Available
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49 Gazza Blvd, Farmingdale, NY

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Freestanding Office & Medical Building
Updated: Jun 5
Freestanding Office & Medical Building

325 W Park Avenue, Long Beach, NY 11561

$2,950,000
0.23 AC lot
5,084 SF freestanding single‑story professional office/medical building on a 10,019 SF lot
Multiple private offices, treatment rooms, reception areas, conference space, waiting areas, and restrooms
Central air conditioning and forced‑air heating
Parking lot plus 10+ on‑site parking spaces and ample street parking in front of the building
Located on highly trafficked Park Avenue with over 28,000 vehicles passing daily
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Two-Building Mixed-Use Property
Two-Building Mixed-Use Property

29 & 21-23 Broadway, Lynbrook, NY 11563

$4,700,000
0.71 AC lot

Two connected office/multi-purpose buildings with parking, signage, skylight, and central air in a high-traffic Lynbrook corridor.

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Versatile Office & Retail Building
Versatile Office & Retail Building

600 Hicksville Road, Bethpage, NY 11714

$1,298,888
0.14 AC lot

Well-maintained property with flexible interior layout and ample parking for office and professional service uses.

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Commercial Office Building with Warehouse
Commercial Office Building with Warehouse

150 Jerusalem Ave, Massapequa, NY 11758

$1,325,000
3,700 sqft · 0.22 AC lot

Two-story office building with warehouse and residential dwelling.

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Freestanding Medical Office Building
Freestanding Medical Office Building

325 W Park Avenue, Long Beach, NY 11561

$2,950,000
5,084 sqft · 0.23 AC lot

Single-story office/medical layout with treatment rooms and ample on-site parking for patient and client access.

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Office Building in B5 Zoning
Office Building in B5 Zoning

57 Old Country Road, Westbury, NY 11590

$1,199,999
0.09 AC lot

For-sale office property in Westbury, NY, positioned near major parkways and regional retail.

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Versatile Hicksville Office Building
Versatile Hicksville Office Building

15 E Carl St, Hicksville, NY 11801

$1,149,000
3,600 sqft · 0.11 AC lot

Three-story commercial office building in prime Hicksville location for sale.

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Renovated Professional Building in Rockville
Renovated Professional Building in Rockville

19 Morris Ave, Rockville Centre, NY 11570

$1,899,999
3,460 sqft

3,460 SF professional office building in downtown Rockville Centre.

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Updated Mixed-Use Commercial Building
Updated Mixed-Use Commercial Building

2846 Sunrise Hwy, Bellmore, NY 11710

$1,399,000

Fully updated mixed-use property with major highway access and strong visibility across from a LIRR station.

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Renovated Office Building with Warehouse
Renovated Office Building with Warehouse

2255 Centre Ave, Bellmore, NY

$1,895,000
5,440 sqft · 0.14 AC lot

Renovated office building with warehouse near Bellmore LIRR station.

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Professional Office Building
Professional Office Building

600 Hicksville Rd, Bethpage, NY 11714

$1,298,888

Well-maintained office property with a flexible interior, ample storage, and convenient access with parking.

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Hicksville Office Building For Sale
Hicksville Office Building For Sale

110 Stewart Ave, Hicksville, NY 11801

$3,500,000
10,000 sqft · 0.46 AC lot

10000 SF office building in Hicksville, NY.

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East Meadow Office Building For Sale
East Meadow Office Building For Sale

1790 Hempstead Tpke, E Meadow, NY

$1,150,000
3,490 sqft · 0.13 AC lot

Office building in a highly desirable location with ample parking.

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Professional Office Building with Bullpen
Professional Office Building with Bullpen

240 Long Beach Road, Island Park, NY 11558

$900,000
3,600 sqft

Turnkey office layout with 12 private offices, open bullpen, and large conference room for professional or medical use.

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Office Building with Gated Parking
Office Building with Gated Parking

128 Atlantic Avenue, Lynbrook, NY 11563

Contact for pricing
12,600 sqft · 0.48 AC lot

Office building featuring 12 offices, conference rooms, and gated parking.

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Office Building with Vacancies
Office Building with Vacancies

107 S CENTRAL AVE, Valley Stream, NY 11580

$2,900,000
8,030 sqft

For sale office building offering two current vacancies near the Valley Stream LIRR station.

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Vacant Corner Office Building
Vacant Corner Office Building

2160 HEMPSTEAD TPKE, East Meadow, NY 11554

$1,250,000

Two-story office building with parking, across from medical center.

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Professional Center with On-Site Parking
Professional Center with On-Site Parking

120 West Park Avenue, Long Beach, NY 11561

$5,200,000
17,870 sqft

Turnkey professional center with renovated storefronts, flexible office or medical layouts, and on-site parking for occupants and visitors.

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High-Visibility Commercial Building For Sale
High-Visibility Commercial Building For Sale

1614 Grand Avenue, Hempstead, NY 11510

$915,000
4,000 sqft

Prime commercial property with high traffic exposure, ideal for business.

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Farmingdale Office Building For Sale
Farmingdale Office Building For Sale

45 Sarah Dr, Farmingdale, NY

$2,750,000
10,000 sqft · 0.57 AC lot

10,000 square foot office building in Farmingdale, New York.

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Retail and Office Building with Parking
Retail and Office Building with Parking

236-242 Fulton Ave, Hempstead, NY 11550

$4,375,000
19,277 sqft

Mixed retail and office tenant mix with direct municipal parking access on a major Nassau County corridor.

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Bellmore Office Building For Sale
Bellmore Office Building For Sale

2459 Merrick Rd, Bellmore, NY

$3,750,000
6,000 sqft · 0.38 AC lot

6,000 SF office building available in Bellmore, NY.

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Vacant Office Building
Vacant Office Building

366 S OYSTER BAY RD, Hicksville, NY 11801

$1,495,000
1,270 sqft

Office building offered vacant at sale for straightforward owner-occupant or tenant-ready redevelopment.

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Nassau County, NY Office Buildings Market Trends and Statistics

Explore 72 office buildings for sale in Nassau County, NY, showcased through 43 active listings on our real estate platform. These investment opportunities span a total of 378,956 square feet of properties for sale, with an estimated market value of $122,700,999.

Sale prices for office properties in Nassau County, NY start at $515,000, averaging $3,958,096, and reaching up to $19,250,000 — 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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