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Warren County, NJ Office Properties & Spaces for Sale

12 results
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Phillipsburg Office Building For Sale
$599,900
6,548 SF

Phillipsburg Office Building For Sale

1000 Coventry Dr, Phillipsburg, NJ 08865

6,548 SF office building suited for medical or professional use.

  • 6,548 sq ft office building, ready for immediate occupancy.
  • Ideal for medical professionals or businesses needing multiple private offices.
  • Two‑story layout with elevator access, featuring a flexible design.
  • First floor includes a waiting room, two reception areas, 13 exam rooms, a kitchen, and four handicap accessible bathrooms.
  • Second floor offers 5 private offices, a large conference room, and a full bathroom with shower.
Updated: Jan 23
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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.
Updated: Oct 30, 2025
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Meticulously Maintained Office Building
$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
View details
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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Downtown Phillipsburg Office/Retail Opportunity
$139,900
2,028 SF

Downtown Phillipsburg Office/Retail Opportunity

Versatile commercial space in historic downtown Phillipsburg.

324 S Main St, Phillipsburg, NJ 08865
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Versatile Commercial Property For Sale
$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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Versatile Industrial Warehouse in Belvidere
$946,000

Versatile Industrial Warehouse in Belvidere

Well-maintained industrial warehouse with office space and additional storage.

300 5Th St, Belvidere, NJ 07823
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Commercial Property with Highway Visibility
$299,900

Commercial Property with Highway Visibility

Commercial property suitable for medical or office use.

196 State Route 94, Columbia, NJ 07832
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Two-Story Commercial Building with Bays
$750,000

Two-Story Commercial Building with Bays

Two-story commercial building with garage bays and office space.

210 3Rd Ave, Alpha, NJ 08865
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Historic Phillipsburg Building For Sale
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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Office Space in Oxford, NJ
$75,000
400 SF

Office Space in Oxford, NJ

Office space available in Oxford, NJ, 400 square feet.

28 Wall St, Oxford, NJ 07863
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Former Bank with Vault Intact
$275,000

Former Bank with Vault Intact

Former bank building with vault, ideal for small business.

933 Lee Ave, Alpha, NJ 08865
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Based on your search, we've compiled 68 Potential Opportunities for your consideration. Besides 12 Active listings in Warren County, NJ, we suggest exploring several alternatives: similar 52 Off-Market properties to explore as potential leads, plus 4 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.

Franklin Twp. Land For Sale
$80,000
1.50 Acres

Franklin Twp. Land For Sale

1.5 acre commercial land in Franklin Twp., NJ.

Halfway House Rd, Washington, NJ 07882
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Mixed-Use Redevelopment Opportunity
Pending
$175,000
0.42 Acres

Mixed-Use Redevelopment Opportunity

Mixed-use property in redevelopment zone, ideal for investors/developers.

400 Greenwich St, Belvidere, NJ 07823
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Commercially Zoned Land in Harmony
Pending
$79,000
1.77 Acres

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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Commercial Land Near Route 46
$39,900
0.93 Acres

Commercial Land Near Route 46

0.93-acre commercial land parcel with access to Route 46.

Ws Alphano Rd, Great Meadows, NJ 07838
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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.

115 Mountain Ave

115 Mountain Ave

Office Properties & Spaces • 1 SF
Value Estimation by Request
115 Mountain Ave, Hackettstown, NJ 07840
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108 High St

108 High St

Office Properties & Spaces • 3,378 SF
Value Estimation by Request
108 High St, Hackettstown, NJ 07840
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1 Greenwich St

1 Greenwich St

Medical offices • 42,896 SF
Value Estimation by Request
1 Greenwich St, Phillipsburg, NJ 08865
View details
525-537 Rte

525-537 Rte

Medical offices • 13,000 SF
Value Estimation by Request
525-537 Rte, Washington, NJ 07882
View details
115 Mountain Ct

115 Mountain Ct

Office Properties & Spaces
Value Estimation by Request
115 Mountain Ct, Hackettstown, NJ 07840
View details
525-537 Nj-57

525-537 Nj-57

Medical offices • 15,300 SF
Value Estimation by Request
525-537 Nj-57, Washington, NJ 07882
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402 County Rd

402 County Rd

Distribution properties • 23,940 SF
Value Estimation by Request
402 County Rd, Greenwich Township, NJ 08865
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901 Coventry Dr

901 Coventry Dr

CONDOMINIUM OFFICES • 1,521 SF
Value Estimation by Request
901 Coventry Dr, Phillipsburg, NJ 08865-1974
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101 Coventry Dr

101 Coventry Dr

CONDOMINIUM OFFICES • 1,107 SF
Value Estimation by Request
101 Coventry Dr, Phillipsburg, NJ 08865-1900
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100 Coventry Dr

100 Coventry Dr

CONDOMINIUM OFFICES • 1,066 SF
Value Estimation by Request
100 Coventry Dr, Phillipsburg, NJ 08865-1900
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903 Coventry Dr

903 Coventry Dr

CONDOMINIUM OFFICES • 1,950 SF
Value Estimation by Request
903 Coventry Dr, Phillipsburg, NJ 08865-1974
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210 State Rte 94

210 State Rte 94

MEDICAL BUILDING • 8,160 SF
Value Estimation
$2,055,000
210 State Rte 94, Columbia, NJ 07832-2764
View details

Warren County, NJ Office Properties & Spaces Investment Opportunities Market Analysis

Explore 63 office properties & spaces for sale in Warren County, NJ, showcased through 12 active listings on our real estate platform. These investment opportunities span a total of 13,915,807 square feet of properties for sale, with an estimated market value of $8,354,900.

Prices for office spaces in Warren County, NJ start at $130,000, averaging $556,993, and reaching up to $2,410,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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