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$699,900 Just Listed
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Property Description
This is a Coming Soon listing. Starts showing on 5/22. Welcome to 34 Armstrong Ave a rare opportunity to own a legal 2-family home on an oversized lot in South River. Unit 1 offers 4 bedrooms and 1.5 baths, featuring hardwood floors, a newer kitchen, and a completely rebuilt first floor, providing modern comfort and peace of mind. Unit 2 includes 2 bedrooms and 1 full bath, is currently tenant-occupied with a lease in place through December 2026, and offers immediate rental income. The property also boasts ample parking and storage space, plus the added convenience of an electric car charger. Enjoy outdoor living in the spacious backyard, perfect for entertaining or relaxing. A true standout with its generous lot sizea rare find in South River. Conveniently located near Route 18, with easy access to shopping, dining, and major roadways.
Full Property Details
Full Property Details for 34 Armstrong Ave
General
- Price: $699,900
- Taxes: $7,777 (2025)
- Status: Active
- Type: Duplex
- Source: Middlesex
- MLS ID: 2661956M
- Updated: Today (5/18/2026)
- Added to Site: Today
Interior
- Interior Features: Unit 1(5+ Bedrooms, Kitchen), Unit 2(1 Bath, 2 Bedrooms, Den/Family Room, Dining Room)
- Appliances: Water Heater(Gas), Water Heater, Unit 1(Refrigerator)
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 2
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 6
Other Rooms
- Living Room: 3,895 Sq. Ft.
Exterior
- Exterior Features: Fencing/Wall
Parking
- Parking Features: 3-4 Car Parking
- Parking: 3-4 Car Parking
Location
- County: Middlesex
Heating & Cooling
- Cooling Type: A/C Window Unit(s)
- Heating Type: Baseboard, Radiant
Utilities
- Gas: Natural Gas
- Sewer: Public Sewer
- Water: Public
- Utility Description: Electricity Connected, Natural Gas Connected
Structural Information
- Basement Desc.: Partial
- Roof: Asphalt
- Stories/Levels: 2
- Square Feet: 3,895
- Year Built: 1920
Lot Features
- Lot Size (Acres): 0.2057
- Lot Size (Sq. Ft.): 8,960
- Lot Dimensions: 80 x 112
- Lot Features: Near Public Transit, Near Shopping
- Zoning: R-75
- Lot Description: Near Public Transit, Near Shopping
- Fencing (Description): Fencing/Wall
Financial Considerations
- Tax Amount: $7,777
- Tax Year: 2025
Disclosures and Reports
- Property ID: 2300299000000019
Listed by Keller Williams West Monmouth
Get Pre-Approved Today
Schools
Schools serving 34 Armstrong Ave
School District:South River Borough School District
| Name | Grades | Distance |
|---|---|---|
South River Elementary School 81 Johnson Place, South River, NJ 08882 | PK-5 | 0.8 mi |
South River Primary School 22 David Street, South River, NJ 08882 | K-2 | 1 mi |
South River Middle School 3 Montgomery Street, South River, NJ 08882 | 6-8 | 0.8 mi |
South River High School 11 Montgomery Street, South River, NJ 08882 | 9-12 | 0.8 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 34 Armstrong Ave
Date
Details
Price
Change
Source
5/18/2026
Listed
$699,900
—
MLS
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 34 Armstrong Ave
Year
Property Taxes
Change
Tax Assessment
Change
2024
$7,422
5%
$291,400
—
2022
$7,075
4%
$291,400
—
2021
$6,810
34%
$291,400
—
2021
$5,071
-28%
$291,400
235%
2018
$7,002
4%
$87,100
—
2017
$6,746
4%
$87,100
—
2016
$6,491
2%
$87,100
—
2015
$6,345
-12%
$87,100
—
2019
$7,174
32%
$87,100
—
2013
$5,445
—
$87,100
—
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 34 Armstrong Ave
34 Armstrong Avenue, South River, NJ 08882 (MLS# 2661956M) is a Duplex property with 6 bedrooms and 2 full bathrooms. 34 Armstrong Avenue is currently listed for $699,900 and was received on May 18, 2026. Want to learn more about 34 Armstrong Avenue? Do you have questions about finding other Duplex real estate for sale in South River? You can browse all South River real estate or contact a Coldwell Banker agent to request more information.

