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Warren County, NJ Office Buildings for Sale

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Professional Office Building with Rental Potential

$449,900

Pending

Professional Office Building with Rental Potential

126 Belvidere Ave, Washington, NJ 07882

Office building with potential for mixed-use or multi-family dwelling.

Owner financing offered to qualified purchaser.
OB zoning permits diverse uses, including dwellings, offices, and clinics, allowing for mixed‑use or multi‑family potential.
Potential for rental income from office space, residential rental, or the 2‑car detached garage with a large loft area.
Two‑story layout with 8 offices, common kitchen on the second floor, walk‑up attic, and full basement providing ample space.
Well‑maintained building with old‑world charm, including distinctive woodwork and staircase railing.

Last Update: Dec 1

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Meticulously Maintained Washington Office Building

$425,000

2,307 SF

Meticulously Maintained Washington Office Building

101 Belvidere Ave, Washington, NJ 07882

Two-level office building with modern updates and off-street parking.

Rare off‑street paved parking lot in downtown Washington.
Two‑level office building with multiple office spaces and large conference rooms.
Meticulously maintained with modern updates and classic craftsmanship.
Equipped with high‑end fire and alarm systems, whole‑house generator, and security cameras.
Dedicated server room for IT infrastructure.

Last Update: Oct 30

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$425,000

2,307 SF

Meticulously Maintained Office Building

Two-level office building with modern updates and off-street parking.

101 Belvidere Ave, Washington, NJ 07882

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$299,900

2,082 SF

Two-Suite Office Building For Sale

Well-maintained office building with rental income potential in Phillipsburg Town.

461 Corliss Ave, Phillipsburg, NJ 08865

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Versatile Commercial Building Near Highways

$400,000

4,500 SF

Versatile Commercial Building Near Highways

Well-maintained commercial building suitable for various uses, convenient location.

13 Stillwater Rd, Blairstown, NJ 07825

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$500,000

6,548 SF

Versatile Commercial Property For Sale

Commercial property suitable for office, medical, and professional services.

1000 Coventry Dr, Phillipsburg, NJ 08865

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Contact for pricing

8,500 SF

Historic Phillipsburg Building For Sale

Former school building with redevelopment potential in revitalizing riverfront town.

1 Fairview Ave, Phillipsburg, NJ 08865

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Based on your search, we've compiled 23 Potential Opportunities for your consideration. Besides 7 Active listings in Warren County, NJ, we suggest exploring several alternatives: similar 15 Off-Market properties to explore as potential leads, plus 1 Land Listings that present a potential for development.

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.

$79,000

Pending

Commercially Zoned Land in Harmony

1.77 acres of commercially zoned land in Harmony Township, NJ.

Harmony Brass Castle Rd, Phillipsburg, NJ 08865

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Explore Off-Market Properties in Warren County, NJ

Consider similar Off-Market properties in Warren County, NJ. 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.

155 State Rte 94p

OFFICE BUILDING

Value Estimation

$50,000

155 State Rte 94p, Columbia, NJ 07832-2757

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1001 County Rd 517

OFFICE BUILDING • 6.69 Acres

Value Estimation by Request

1001 County Rd 517, Hackettstown, NJ 07840-2730

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10 Brass Castle Rd

OFFICE BUILDING • 7,708 SF

Value Estimation

$525,000

10 Brass Castle Rd, Washington, NJ 07882-6309

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155 Rte 94

OFFICE BUILDING

Value Estimation by Request

155 Rte 94, Blairstown, NJ 07825

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435 State Rte 57

OFFICE BUILDING • 3.12 Acres

Value Estimation

$145,000

435 State Rte 57, Port Murray, NJ 07865-4334

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155 Rte 94

OFFICE BUILDING

Value Estimation by Request

155 Rte 94, Blairstown, NJ 07825

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1500 County Rd 517

OFFICE BUILDING • 7.41 Acres

Value Estimation by Request

1500 County Rd 517, Hackettstown, NJ 07840-2717

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140 Blvd Boulevard

OFFICE BUILDING • 1.33 Acres

Value Estimation

$320,000

140 Blvd Boulevard, Washington, NJ 07882-1761

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4 Footbridge Ln

OFFICE BUILDING • 2,080 SF

Value Estimation

$245,000

4 Footbridge Ln, Blairstown, NJ 07825

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600 High St

OFFICE BUILDING • 3,816 SF

Value Estimation

$130,000

600 High St, Hackettstown, NJ 07840-1443

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126 Maple Ave

OFFICE BUILDING • 1,248 SF

Value Estimation by Request

126 Maple Ave, Hackettstown, NJ 07840

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37 Main St

OFFICE BUILDING • 0.33 Acres

Value Estimation

$310,000

37 Main St, Blairstown, NJ 07825

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305 Roseberry St

OFFICE BUILDING • 0.58 Acres

Value Estimation by Request

305 Roseberry St, Phillipsburg, NJ 08865-1600

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6 Clb House Dr

OFFICE BUILDING • 1.87 Acres

Value Estimation by Request

6 Clb House Dr, Washington, NJ 07882-2212

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95 Industrial Dr

OFFICE BUILDING • 12.16 Acres

Value Estimation by Request

95 Industrial Dr, Phillipsburg, NJ 08865

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Warren County, NJ Office Buildings Investment Opportunities Market Analysis

Explore 22 office buildings for sale in Warren County, NJ, showcased through 7 active listings on our real estate platform. These investment opportunities span a total of 11,545,229 square feet of properties for sale, with an estimated market value of $3,839,800.

Prices for office properties in Warren County, NJ start at $130,000, averaging $349,072, and reaching up to $515,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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Warren County, NJ Office Buildings for Sale

Professional Office Building with Rental Potential

Office building with potential for mixed-use or multi-family dwelling.