Warren County, NJ Flex space for sale

Updated: Dec 31, 2025

Two-Story Flex Building with Garage Bays

210 3RD AVE Unit 210, Phillipsburg, NJ 08865

$675,000

4,320 sqft

Two‑story commercial building (2004) with two large garage bays for loading and storage
Approx. 1,200 SF of open space offices on the 1st floor with bathroom and kitchen
Approx. 1,200+ SF open space office on the 2nd floor plus approx. 1,200 SF unfinished storage
Central air and gas heat; asphalt shingle roof
Corner lot with level topography and 5 parking spaces with driveway and off‑street parking

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Updated: Mar 29

Two-Story Flex Building with Garage

27 U.S. HIGHWAY 46 Unit 1, Columbia, NJ 07832

$899,000

3,360 sqft

C‑1 zoned two‑story commercial/flex property with unfinished second floor for conversion or expansion.
Situated on a 2.42‑acre corner lot on Route 46 N with highway access and a direct view of the Delaware River.
Finished first floor is ready for immediate use; electric and plumbing are already permitted and installed for the second floor.
30x75 metal frame garage with concrete floor and oversized doors on both ends for storage, machine shop, or heavy equipment work.
Massive asphalt parking lot accommodates over 30 vehicles.

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Renovated Flex Space with Storage

305 W Stiger St, Hackettstown, NJ 07840

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4,375 sqft

Two upgraded industrial buildings provide climate-controlled space, drive-in access, and an outdoor storage component.

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See what stands out in Warren County

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

Cap Rate available after sign in

NOI available after sign in

Local Demand available after sign in

Two-Story Flex Space with Garage Bays

210 3rd Ave, Alpha, NJ 08865

$675,000

Two-story commercial layout combines office areas, storage, loading bays, and on-site parking.

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Multi-Use Flex Warehouse

1011 US-22, Phillipsburg, NJ 08865

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75,000 sqft

Multi-use facility offering flex space, showroom, warehouse, office, retail, and outdoor storage options.

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Flex Space with Overhead Door

812 S MAIN ST, Phillipsburg, NJ 08865

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1,400 sqft

Garage, office, and break/kitchen areas accommodate light industrial and small business operations.

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Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center

Renovated Flex Space with Garage

543 Marshall St, Phillipsburg, NJ 08865

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Office space is paired with a multi-bay garage on the lower level for a versatile commercial setup.

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Flex Building with Showroom

401 Water St, Belvidere, NJ 07823

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Freestanding commercial building with showroom, automotive work area, and an occupied pizzeria unit.

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Renovated Flex/Industrial Park Investment

700 Grand Ave, Hackettstown, NJ 07840

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38,850 sqft

Newly renovated 13-unit flex/industrial park in Hackettstown, New Jersey.

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Based on your search, we've compiled 12 Potential Opportunities for your consideration. Besides 9 Active listings in Warren County, NJ, we suggest exploring several alternatives: similar 1 Off-Market properties to explore as potential leads, plus 2 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.

Approved Light Industrial Development Site

750 N 14th, Allentown, PA 18102

$549,000

0.47 AC lot

B/LI-zoned site with public water and sewer for approved warehouse/flex development.

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Improved Light Industrial Land

Allentown, PA 18106

$198,880

25,671 sqft 0.59 AC lot

Improved light-industrial site with gravel, electric service, a mobile office, and on-site security cameras.

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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.

Distribution properties

340 Fleming Dr, Phillipsburg, NJ 08865

Value Estimation by Request

27,600 sqft 1.10 AC lot

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Warren County, NJ Flex Space Market Trends and Statistics

Explore 10 flex space for sale in Warren County, NJ, showcased through 9 active listings on our real estate platform. These investment opportunities span a total of 127,305 square feet of properties for sale, with an estimated market value of $2,249,000.

Sale prices for business spaces in Warren County, NJ start at $675,000, averaging $749,666, and reaching up to $899,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.