This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
1/14
$1,500,000 Just Listed
This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
1/14
Property Description
Medical/Office Building for Sale or Lease in South Amboy, conveniently located just off Route 9 with easy access to the Garden State Parkway, Routes 1 & 9, NJ Turnpike, Route 34, Route 35, and Route 36. This well-maintained 2,700 SF professional office building offers 3-4 private offices, conference room, reception area, full kitchen, 3 bathrooms, partially finished basement, finished attic for storage, fenced yard, and detached 2-car garage. Excellent visibility and accessibility make it an ideal location for medical practices, attorneys, accountants, contractors, and other professional users. A unique value-add opportunity, the property includes approved plans and permits for expansion to approximately 3,450 SF of modern office space featuring 8+ offices, 11 dedicated parking spaces, garage storage, kitchen, 3 bathrooms, ADA accessibility, and an electric vehicle charging station. Sale includes approved plans and permits. Seller financing may be available for qualified buyers. Owners can also complete the approved construction, providing a turnkey build-to-suit opportunity for owner-users or investors. Contact listing agent for pricing and additional details.
Full Property Details
Full Property Details for 879 Upper Main St
General
- Price: $1,500,000
- Taxes: $7,179 (2026)
- Status: Active
- Type: Commercial
- Source: Middlesex
- MLS ID: 2617329R
- Updated: 6/10/2026
- Added to Site: 1 day(s) ago
Interior
- Interior Features: Appliances, Refrigeration, Storage, See Remarks
- Appliances: Appliances, Refrigeration
- Flooring: Carpet, Laminate, Tile, See Remarks
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 1
- Half Bathrooms: 2
Other Rooms
- Living Room: 2,700 Sq. Ft.
Parking
- Total Spaces: 4
- Parking Features: Driveway, Enclosed, Covered
- Parking: Driveway, Enclosed, Covered
Location
- County: Middlesex
Community
- Gated: Extra Storage
Heating & Cooling
- Cooling Type: Central Air Conditioning
- Heating Type: Baseboard, Radiant
Utilities
- Gas: Natural Gas
- Sewer: Public Sewer
- Water: Public
- Utility Description: Underground Utilities, Electricity Connected, Gas in Street
Structural Information
- Structure Type: Office
- Roof: Composition
- Stories/Levels: 3
- Square Feet: 2,700
- Year Built: 1917
Lot Features
- Lot Size (Acres): 0.2397
- Lot Size (Sq. Ft.): 10,440
- Lot Dimensions: 0.00 x 0.00
- Lot Features: Highway Commercial
- Zoning: R-10
- Lot Description: Highway Commercial
Financial Considerations
- Tax Amount: $7,179
- Tax Year: 2026
Disclosures and Reports
- Documents Avail.: Building Plans, See Remarks
- Property ID: 121940637
Listed by Real
Get Pre-Approved Today
Schools
Schools serving 879 Upper Main St
School District:Sayreville Borough School District
| Name | Grades | Distance |
|---|---|---|
Dwight D. Eisenhower Elementary School, Sayreville, NJ 601 Ernston Road, Sayreville, NJ 08859 | K-3 | 1.1 mi |
Samsel Uppper Elementary School 298 Ernston Road, Sayreville, NJ 08859 | 4-5 | 1.2 mi |
Sayreville Middle School 800 Washington Road, Sayreville, NJ 08859 | 6-8 | 1.7 mi |
War Memorial High School 820 Washington Road, Sayreville, NJ 08859 | 9-12 | 1.4 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 879 Upper Main St
Date
Details
Price
Change
Source
6/09/2026
Listed
$1,500,000
1288.89%
MLS
12/24/2025
Sold
$108,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 879 Upper Main St
Year
Property Taxes
Change
Tax Assessment
Change
2024
$7,002
10%
$114,700
—
2022
$6,360
34%
$114,700
—
2022
$4,745
-25%
$114,700
—
2021
$6,290
6%
$114,700
-1%
2018
$5,956
3%
$115,900
1%
2017
$5,758
3%
$114,700
—
2016
$5,604
2%
$114,700
—
2015
$5,477
-9%
$114,700
—
2019
$6,002
14%
$114,700
—
2013
$5,266
—
$114,700
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 879 Upper Main St
879 Upper Main Street, South Amboy, NJ 08879 (MLS# 2617329R) is a Commercial property. 879 Upper Main Street is currently listed for $1,500,000 and was received on June 09, 2026. Want to learn more about 879 Upper Main Street? Do you have questions about finding other Commercial real estate for sale in South Amboy? You can browse all South Amboy real estate or contact a Coldwell Banker agent to request more information.

