Realmo

Buy
- For Sale
- Post a Listing
Property Types
- Retail
  
  Storefront
- Office
  
  Office Units
  
  Building
- Residential Income
  
  Multifamily
  
  Duplex
- Restaurants
  
  Conventional Restaurant
- Warehouse
- Mixed-Use
- Health Care
  
  Spa & Wellness
- Land
  
  Residential
  
  Commercial
- Specialty
Rent
- For Lease
- Post a Listing
Space Uses
- Retail
- Warehouse
Analytics
- Analytics Center
- Value Estimation
- Cap Rate
- Ownership Records
- Zoning Insight
- Location Intelligence
- Business Placement
- Recently Sold
- Off-Market Leads

Advertise Sign In

For Sale
- Retail
  - Storefront
- Office
  - Office Units
  - Building
- Residential Income
  - Multifamily
  - Duplex
- Restaurants
  - Conventional Restaurant
- Warehouse
- Mixed-Use
- Health Care
  - Spa & Wellness
- Land
  - Residential
  - Commercial
- Specialty
For Lease
- Retail
- Warehouse
Analytics Center
Value Estimation
Cap Rate
Ownership Records
Zoning Insight
Location Intelligence
Business Placement
Recently Sold
Off-Market Leads
Advertise
Find Brokers

South River, NJ

Building

South River, NJ Office Buildings for Sale

List

Map

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.

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

Based on your search, we've compiled 16 Potential Opportunities for your consideration. Besides 2 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.

Updated Two-Story Storefront

Updated Two-Story Storefront

505 State Route 18, East Brunswick, NJ 08816

$770,000

1,744 sqft 0.22 AC lot

HC2-zoned commercial space with private parking and a flexible room layout.

Three-Unit Mixed-Use Property

Three-Unit Mixed-Use Property

353 Main Street, Spotswood, NJ 08884

$490,000

1,615 sqft

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

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.

Renovated Freestanding Office Building

Renovated Freestanding Office Building

27 W Prospect St, East Brunswick, NJ 08816

Contact for pricing

1,400 sqft

Freestanding, move-in ready office building with two suites, separate utilities, and onsite and street parking.

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.

Vacant Land in Downtown Matawan

Vacant Land in Downtown Matawan

98 Main Street, Matawan, NJ 07747

Contact for pricing

1,094 sqft

Vacant land with high visibility and convenient access to highways.

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 Buildings Market Trends and Statistics

Explore 8 office buildings for sale in South River, NJ on our real estate platform. These investment opportunities span a total of 6,498 square feet of properties for sale.

List

Map

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

Need Help?

Reach out if you need assistance with Realmo tools or have questions about your listings

Contact Us