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Middlesex County, NJ Office Buildings for Sale

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Renovated Office Building with Lift
Renovated Office Building with Lift

1017 King Georges Post Road, Edison, NJ 08837

$1,599,999
3,900 sqft

Fully renovated office building with two floors, a full-height basement, and planned ADA-compliant access upgrades.

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Office Building with Rear Parking
Office Building with Rear Parking

54 Woodbridge Ave, Highland Park, NJ 08904

$445,000
1,408 sqft

CBD office property with natural gas, on-site rear parking, and an unfinished full-level interior area.

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Fully Leased Office Building
Fully Leased Office Building

15 Prospect Lane, Colonia, NJ 07067

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14,480 sqft 0.67 AC lot

Leases cover suites of varying sizes, with expiration dates spread across the portfolio.

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

729 State Route 18, East Brunswick, NJ 08816

$639,900
1,612 sqft

Two-level commercial building offers private offices, conference and open space, and highway visibility with parking for about 10 vehicles.

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Three-Unit Mixed-Use Property
Three-Unit Mixed-Use Property

353 Main St, Spotswood, NJ 08884

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1,615 sqft

Flexible commercial layout with office, retail, and service-oriented space across three levels.

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Single-Tenant Office Building
Single-Tenant Office Building

40 Middlesex Avenue, Metuchen, NJ 08840

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4,400 sqft 0.70 AC lot

Fully leased, single-story office property with dedicated parking and four-zone air conditioning.

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Two-Story Office Building Opportunity
Two-Story Office Building Opportunity

101 State Route 27, Edison, NJ 08820

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8,200 sqft 0.44 AC lot

Two-story Class C office building offers owner-user use with multiple tenants on a 0.44-acre lot.

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Turnkey Medical-Ready Office Building
Turnkey Medical-Ready Office Building

1 Rossmoor Drive, Monroe Township, NJ 08831

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38,238 sqft

Renovated in 2025, this freestanding three-story Class B office includes ADA-compliant elevator access and modern common areas.

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Medical Office and Professional Building
Medical Office and Professional Building

C-12 Centre Dr, Monroe, NJ 08831

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24,703 sqft

For-sale office and medical space with parking for over 30 cars and everything included in the rent.

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Two-Story Professional Office Building
Two-Story Professional Office Building

40 Ethel Rd, Edison, NJ 08817

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11,700 sqft 1.85 AC lot

Well-maintained two-story office building with an elevator, strong Ethel Road frontage, and parking for about 50 vehicles.

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Class A Office Building with Leasing Upside
Class A Office Building with Leasing Upside

2035 Lincoln Highway, Edison, NJ 08817

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98,566 sqft

Three-story Class A office building within a mixed-use campus, with efficient floor plates and space available for lease-up.

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Renovated Office Units with Private Entrances
Renovated Office Units with Private Entrances

894 Green Street D, Iselin, NJ 08830

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3,600 sqft

Move-in ready office suites feature individual entrances, private bathrooms, and dedicated HVAC temperature control.

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Single-Story Office Building
Single-Story Office Building

10 Centre Dr, Monroe Township, NJ 08831

Contact for pricing
13,400 sqft 2.00 AC lot

Office property with flexible commercial zoning and access to medical, corporate, laboratory, and other professional uses.

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Professional Office Building in New Brunswick
Professional Office Building in New Brunswick

177 Livingston Avenue A, New Brunswick, NJ 08901

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3,186 sqft

Office spaces available in a professional building, great location.

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Professional Office Building
Professional Office Building

314 Cleveland Ave, Highland Park, NJ 08904

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5,000 sqft 0.14 AC lot

Professional Office zoned freestanding building with drive-in loading and ceiling height of 14 feet.

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Three-Unit Office Building
Three-Unit Office Building

A-353 Main Street, Spotswood, NJ 08884

$490,000

Flexible commercial layout in the Spotswood business district with private office space and potential for professional or boutique retail uses.

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Commercial Office Building
Commercial Office Building

51 W Prospect St, East Brunswick, NJ 08816

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6,000 sqft

Office building available at 51 W Prospect St, East Brunswick, with convenient access to highways, public transit, and shopping.

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Office Building with Mezzanine
Office Building with Mezzanine

8 Edgeboro Rd, East Brunswick, NJ 08816

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40,000 sqft

HC-2 zoning, on-site parking, and a pylon sign visible from Route 18 define the property’s commercial profile.

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Three-Level Office Building
Three-Level Office Building

560 union Ave, Middlesex, NJ 08846

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Seven private offices, two kitchenettes, and separate lower-level access create flexible space for professional teams.

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Spacious Office Building on Main
Spacious Office Building on Main

141 Main Street, South River, NJ 08882

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3,200 sqft

3200 SqFt office building in prime Main Street location.

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High-End Medical/Office Building
High-End Medical/Office Building

2124 Oak Tree Rd, Edison, NJ

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18,300 sqft 3.50 AC lot

18,300 SF Class B office building, fully leased.

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96,000 SF Office Building
96,000 SF Office Building

2035 Lincoln Hwy, Edison, NJ

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96,015 sqft 5.43 AC lot

Three-story office building near Route 27 and I-287.

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Freestanding Office Building on Route 18
Freestanding Office Building on Route 18

702 N State Route 18 Highway, East Brunswick, NJ 08816

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Two-story office building with high visibility and easy access.

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Two-Story Medical Office Building
Two-Story Medical Office Building

1080 Stelton Rd, Piscataway, NJ 08854

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Modern medical office property at a signalized intersection in Piscataway, New Jersey.

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