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South River, NJ

Office

South River, NJ Office Spaces for Sale

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East Brunswick, NJ Sayreville, NJ Milltown, NJ Old Bridge, NJ Spotswood, NJ Edison, NJ New Brunswick, NJ Highland Park, NJ

Renovated Professional Office Building

Updated: Apr 12

Renovated Professional Office Building

106 Main St, South River, NJ 08882

Contact for pricing

3,298 sqft 0.67 AC lot

3,298 SF professional office building on .67 Acres
Detached 2 Car Garage with Bonus Room for Product or Equipment Storage
Parking for ±12‑15 Cars with Large Wrap Around Driveway and 2 Entrances
4 Private Large Offices on the Second Floor with Jack & Jill Bathroom
2 Conference Rooms, including 1 with Full Glass Windows and Natural Light

Spacious Office Building on Main

Updated: Jun 12, 2025

Spacious Office Building on Main

141 Main Street, South River, NJ 08882

Contact for pricing

3,200 sqft

Prime Main Street location in South River.
Spacious 3200 SqFt of professional office space.
Includes multiple private offices and large conference rooms.
Features a welcoming waiting room for clients and visitors.
Multiple bathrooms (3 total) for convenience.

Second-Floor Office Unit

Second-Floor Office Unit

8 Old Bridge Turnpike # 4, South River, NJ 08882

Contact for pricing

Two well-lit offices with 24/7 access, prominent signage, and substantial parking.

See what stands out in Middlesex 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

Corner Office Unit

Corner Office Unit

171 Main Street, South River, NJ 08882

Contact for pricing

Bright two-room office with rear parking, an accessible entrance, and flexible reception or conference use.

Based on your search, we've compiled 18 Potential Opportunities for your consideration. Besides 4 Active listings in South River, NJ, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 6 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Professional Office Unit with Waiting Area

Professional Office Unit with Waiting Area

C-31-330 Milltown Rd, East Brunswick, NJ 08816

Contact for pricing

16,403 sqft

Suite C-31 includes private offices, a substantial reception area, and access to on-site parking and shared restrooms.

First-Floor Office Suite

First-Floor Office Suite

B7-575 Cranbury Rd, East Brunswick, NJ 08816

Contact for pricing

1,140 sqft

Well-maintained first-floor office suite with a foyer, two private offices, conference room, kitchen, and full basement.

Second-Floor Office Unit

Second-Floor Office Unit

522 State Route 18 Highway, East Brunswick, NJ 08816

Contact for pricing

6,515 sqft 0.79 AC lot

Open-plan professional workspace with natural light, laminate flooring, central air, and convenient on-site parking.

Standalone Office Building with Parking

Standalone Office Building with Parking

30 Wallace Street, East Brunswick, NJ 08816

Contact for pricing

Main-level office suite features four offices plus reception, and a separate ground-level entry for additional space.

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.

Elevator-Served Specialty Property

Elevator-Served Specialty Property

51 W Prospect Street, East Brunswick, NJ 08816

Contact for pricing

6,000 sqft 0.50 AC lot

The property combines stucco construction with forced-air heat and zoned cooling.

Office Building with Elevator

Office Building with Elevator

51 W Prospect Street, East Brunswick, NJ 08816

$3,000,000

6,000 sqft 0.50 AC lot

OP1-zoned office property with accessible elevator service, public utilities, and a mix of laminate and wood flooring.

Office Building with Elevator

Office Building with Elevator

51 W Prospect Street, East Brunswick, NJ 08816

Contact for pricing

6,000 sqft 0.50 AC lot

Two-story commercial office property with parking, public utilities, and zoned cooling for flexible workspace configuration.

Monroe Township Development Opportunity

Monroe Township Development Opportunity

380 MOUNTS MILLS RD, Monroe Twp, NJ 08831

Contact for pricing

4 sqft 4.21 AC lot

4.21-acre commercial development site in Monroe Township, New Jersey.

Off-Market Properties in South River, NJ

Consider similar Off-Market properties in South River, 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.

171 Main St

OFFICE BUILDING

171 Main St, South River, NJ 08882-1500

$1,045,000

Estimated value

8,370 sqft 0.30 AC lot

133 Main St

OFFICE BUILDING

133 Main St, South River, NJ 08882-1231

$250,000

Estimated value

878 sqft 0.11 AC lot

17 Main St

OFFICE BUILDING

17 Main St, South River, NJ 08882-1498

$285,000

Estimated value

945 sqft 0.05 AC lot

198 Main St

OFFICE BUILDING

198 Main St, South River, NJ 08882-1561

$325,000

Estimated value

2,218 sqft 0.24 AC lot

23 Maple St

OFFICE BUILDING

23 Maple St, South River, NJ 08882

$325,000

Estimated value

5,084 sqft 0.28 AC lot

11 Stephen St

OFFICE BUILDING

11 Stephen St, South River, NJ 08882-1240

$310,000

Estimated value

3,322 sqft 0.04 AC lot

South River, NJ Office Spaces Market Trends and Statistics

Explore 10 office spaces for sale in South River, NJ, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 6,498 square feet of properties for sale.

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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Demographics Overview

Population 16K

Population Growth (5Y) -0.1%

Median Household Income $101,853

College Educated 42.6%

Taxes & Financing

Tax Rate (average for all types) 2.43%

Property Tax per SF $14.11 per SF

Average Loan-to-Value 65.0%

Listings Trend

New vs delisted commercial listings in Middlesex County

New Delisted

Total CRE Inventory on Market (SF)

Average Property Price per SF

For-sale pricing trends across core commercial property types in Middlesex County

Residential Income

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