Date
Details
Price
Change
Source
2/12/2026
Listed
$650,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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$650,000 Just Listed
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Property Description
Welcome to 12 Union Street in the heart of historic Kingston, NJ! This 3 unit multi-family property offers an exceptional investment or owner-occupant opportunity just minutes from Princeton, major highways, and public transportation. Two of the three units are currently rented with tenants who would love to stay, providing immediate income for the new owner. The third unit is ready to update & move into or lease for additional rental revenue. Unit 1 (end unit) features 1 bedroom, 1 bathroom, an eat-in kitchen, cozy living room, and private entrances. Unit 2 (middle unit) includes 1 bedroom, 1 bathroom, a dining room, living room, kitchen, office nook, washer and dryer, and separate entrances. Unit 3 (upper unit) offers 1 bedroom, 1 bathroom, a comfortable living room, kitchen, and private entrance. Enjoy the charm of Kingston living close to the D&R Canal, local shops, parks, and all that Princeton has to offer. This versatile property is perfect for investors or those looking to live in one unit while collecting rent from the others.
Full Property Details
Full Property Details for 12 Union St
General
- Price: $650,000
- Taxes: $10,645 (2025)
- Status: Active
- Type: Multi-Family
- Source: Garden_State
- MLS ID: 4009483
- Updated: 2/12/2026
- Added to Site: 3 day(s) ago
Interior
- Number of Rooms: 11
- Interior Features: Carbon Monoxide Detector, Carpeting, Smoke Detector, Vinyl-Linoleum Floors
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 3
Bedrooms
- Total Bedrooms: 3
Exterior
- Exterior Features: Open Porch(es), Storm Door(s)
- Color: Yellow
Location
- County: Somerset
- Subdivision: Kingston
- Driving Directions: Route 27 to Laurel Ave. to Union (corner of Laurel and Union)
School Information
- High School: FRANKLIN
Heating & Cooling
- Cooling Type: Central Air Conditioning
- Heating Type: Baseboard - Hotwater
- Heating Fuel: Oil Tank Above Ground - Outside
- Water Heater: Gas
Utilities
- Sewer: Public Sewer
- Water: Public Water, Water Charge Extra
- Utility Description: Electric, Natural Gas, Cable TV Available, Garbage Extra Charge
Structural Information
- Architectural Style: 2-Two Story
- Exterior Const.: Aluminum Siding
- Basement: Yes
- Basement Desc.: Bilco-Style Door, Partial, Unfinished
- Roof: Asphalt Shingles
- Square Feet: 2,151
- Year Built: 1890
Unit Information
Unit 1
- Unit Description: Eat-In Kitchen, Family Room, Master Bedroom
- Levels/Stories: 1
- Total Bathrooms: 1
- Bedrooms: 1
Unit 2
- Unit Description: Dining Room, Kitchen, Laundry Room, Living Room, Porch, Master Bedroom
- Levels/Stories: 1
- Handicap: Yes
- Total Bathrooms: 1
- Bedrooms: 1
Unit 3
- Unit Description: Eat-In Kitchen, Living Room, Master Bedroom
- Levels/Stories: 1
- Total Bathrooms: 1
- Bedrooms: 1
Lot Features
- Lot Size (Acres): 0.16
- Lot Dimensions: 60 x 113
- Driveway/Sidewalk: 2 Car Width, Additional Parking, Driveway-Exclusive
Financial Considerations
- Assessment Amount: $277,400
- Land Assmt: $357,000
- Tax Amount: $10,645
- Tax Year: 2025
Disclosures and Reports
- Disclosures: Yes
- Block: 2
- Lot Number: 4
Listed by Re/Max Diamond Realtors
We Value Your Privacy
We Value Your Privacy
We Value Your Privacy
Listing agent
— 12 Union St —
Re/Max Diamond Realtors
732-297-1100
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 12 Union St
School District:Franklin Township School District, Franklin Township, NJ
| Name | Grades | Distance |
|---|---|---|
Claremont Elementary School 175 Claremont Road, Franklin Township, NJ 08823 | PK-5 | 5.7 mi |
Sampson G Smith School 1649 Amwell Road, Franklin Township, NJ 08873 | 6-8 | 9.6 mi |
Franklin Twp High School 500 Elizabeth Avenue, Franklin Township, NJ 08873 | 9-12 | 10.4 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 12 Union St
Tax History
Tax History for 12 Union St
Year
Property Taxes
Change
Tax Assessment
Change
2024
$9,062
2%
$634,400
28%
2023
$8,898
8%
$496,800
9%
2022
$8,253
—
$456,800
14%
2022
$8,252
5%
$401,800
8%
2021
$7,854
-8%
$370,800
—
2019
$8,532
-1%
$370,800
—
2018
$8,610
—
$370,800
—
2017
$8,632
-1%
$370,800
—
2016
$8,699
1%
$370,800
—
2015
$8,625
2%
$370,800
-1%
2013
$8,423
—
$372,700
—
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 12 Union St
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12 Union St, Franklin Township, NJ 08528 (MLS# 4009483) is a Multi-Family property with 3 units containing 3 bedrooms and 3 full bathrooms. 12 Union St is currently listed for $650,000 and was received on February 12, 2026. Want to learn more about 12 Union St? Do you have questions about finding other Multi-Family real estate for sale in Kingston? You can browse all Kingston real estate or contact a Coldwell Banker agent to request more information.