Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$799,000

  • For Sale
  • Under Contract
  • Multi-Family
  • 4 Total Beds
See This Home
Save This Home
See This Home
Save This Home
Two-family in Prime Fanwood Location " Fully Renovated! This beautifully renovated two-family home features two identical units, each offering a kitchen, formal dining room, living room, two bedrooms, full bath, and front and back entrances. Both units include hardwood floors, central air, and the second-floor unit boasts a private deck. Shared full basement includes two washers and two dryers. All utilities are separate except water. Enjoy a large backyard, ample parking, a storage shed, and more. Unbeatable location stroll to train, shops, restaurants. Surrounded by Westfield, Scotch Plains, Garwood, Cranford & Mountainside.Excellent income potential or live in one unit and rent the other!

Full Property Details for 21 Old S Ave

General

  • Price: $799,000
  • Taxes: $13,222 (2024)
  • Status: Under Contract
  • Type: Multi-Family
  • Source: Garden_State
  • MLS ID: 3990862
  • Updated: 1/1/2026
  • Added to Site: 105 day(s) ago

Interior

  • Number of Rooms: 10
  • Interior Features: Carbon Monoxide Detector, Smoke Detector, Wood Floors

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2

Bedrooms

  • Total Bedrooms: 4

Exterior

  • Exterior Features: Deck

Location

  • County: Union
  • Driving Directions: South Ave to Old South Ave

School Information

  • High School: ScotchPlns

Heating & Cooling

  • Cooling Type: 2 Units
  • Heating Type: 2 Units
  • Heating Fuel: Natural Gas
  • Water Heater: Gas

Utilities

  • Sewer: Public Sewer
  • Water: Public Water
  • Utility Description: Natural Gas

Structural Information

  • Architectural Style: Under/Over
  • Exterior Const.: Vinyl Siding
  • Basement: Yes
  • Basement Desc.: Unfinished
  • Roof: Asphalt Shingles
  • Year Built: 1932
  • Remodeled/Updated: 2022

Unit Information

Unit 1

  • Unit Description: Bedrooms, Dining Room, Kitchen, Living Room
  • Levels/Stories: 1
  • Total Bathrooms: 1
  • Bedrooms: 2

Unit 2

  • Unit Description: Bedrooms, Dining Room, Kitchen, Living Room
  • Levels/Stories: 2
  • Total Bathrooms: 1
  • Bedrooms: 2

Lot Features

  • Lot Dimensions: 59 x 137 x 48 x 178
  • Driveway/Sidewalk: Driveway-Shared, Off-Street Parking

Financial Considerations

  • Assessment Amount: $192,400
  • Land Assmt: $257,800
  • Tax Amount: $13,222
  • Tax Year: 2024

Disclosures and Reports

  • Disclosures: Yes
  • Block: 66
  • Lot Number: 16
Buyer's Brokerage Compensation: 2%
Not binding unless confirmed by separate agreement among applicable parties.

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Meet the listing agent

Meet the listing agent
— 21 Old S Ave —

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 21 Old S Ave

School District:Scotch Plains-Fanwood Regional School District
NameGradesDistance
Howard B. Brunner Elementary School
721 Westfield Road, Scotch Plains, NJ 07076
PK-40.5 mi
Malcolm E Nettingham Middle School
580 Park Avenue, Scotch Plains, NJ 07076
5-80.8 mi
Scotch Plains Fanwood High School
667 Westfield Road, Scotch Plains, NJ 07076
9-120.8 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 21 Old S Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
11/12/2025
Price Reduced
$799,000
-11.12%
MLS
10/06/2025
Listed
$899,000
153.24%
MLS
12/21/2011
Sold
$355,000
—
Public Record
Get Price Alerts and Save Property
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 for 21 Old S Ave

Year
Property Taxes
Change
Tax Assessment
Change
2024
$13,222
5%
$450,200
—
2022
$12,637
1%
$450,200
1%
2022
$12,466
36%
$443,700
—
2021
$9,187
-22%
$443,700
447%
2018
$11,793
2%
$81,100
—
2017
$11,550
-3%
$81,100
—
2019
$11,881
6%
$81,100
—
2016
$11,203
4%
$81,100
—
2015
$10,739
4%
$81,100
—
2013
$10,277
—
$81,100
—
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 for 21 Old S Ave

$
Down Payment
%
$
%

$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Similar Properties near 21 Old S Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

2060 Mountain Ave, Scotch Plains Township, NJ 07076 - Photo 1
$749,900

2060 Mountain Ave  Scotch Plains Township, NJ 07076

  • Multi-Family
  • Active
  • Updated 11 days ago
  • 5
    Total Beds
1357-1403 S 2nd St, Plainfield, NJ 07063 - Photo 1
$750,000

1357-1403 S 2nd St  #2  Plainfield, NJ 07063

  • Multi-Family
  • Active
  • 6
    Total Beds
Listed by Premierblu
946 Central Ave, Plainfield, NJ 07060 - Photo 1
$820,000

946 Central Ave  Plainfield, NJ 07060

  • Multi-Family
  • Active
  • 6
    Total Beds
Listed by Homezu
224 Westervelt Ave, North Plainfield, NJ 07060 - Photo 1
$825,000

224 Westervelt Ave  North Plainfield, NJ 07060

  • Multi-Family
  • Active
  • 7
    Total Beds
Listed by Jack Pedersen Realty

Just Listed near 21 Old S Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

1248 Sunnyfield Ln, Scotch Plains Township, NJ 07076 - Photo 1 Just Listed
$1,199,000

1248 Sunnyfield Ln  Scotch Plains Township, NJ 07076

  • Single Family
  • Active
  • Updated 4 days ago
  • 4
    Beds
  • 4
    Total Baths
Listed by Colleen Berg (908) 337-0428
1231 Rahway Rd, Scotch Plains Township, NJ 07076 - Photo 1 Just Listed
$1,550,000

1231 Rahway Rd  Scotch Plains Township, NJ 07076

  • Single Family
  • Active
  • Updated 4 days ago
  • 5
    Beds
  • 5
    Total Baths
Listed by Frank D. Isoldi (908) 301-2038
2149 Raritan Rd, Scotch Plains Township, NJ 07076 - Photo 1 Just Listed
$799,000

2149 Raritan Rd  Scotch Plains Township, NJ 07076

  • Single Family
  • Active
  • Updated 5 days ago
  • 4
    Beds
  • 3
    Total Baths
Listed by Stephanie Smith (908) 230-8585
8 Village Park Ct, Scotch Plains Township, NJ 07076 - Photo 1 Just Listed
$499,000

8 Village Park Ct  Scotch Plains Township, NJ 07076

  • Townhouse
  • Active
  • Updated 4 days ago
  • 2
    Beds
  • 2
    Total Baths
  • 1,143
    Sq. Ft.
Listed by Nest Seekers New Jersey Llc

Price Reduced near 21 Old S Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

962-64 W 6th St, Plainfield, NJ 07063 - Photo 1 Price Reduced
-$27,000 (-4.11%)
$630,000

962-64 W 6th St  Plainfield, NJ 07063

  • Single Family
  • Active
  • Updated 2 days ago
  • 6
    Beds
  • 3
    Total Baths
Listed by North Star Elite Realty
56-58 Raymond Ave, Plainfield, NJ 07062 - Photo 1 Price Reduced
-$20,100 (-3.3%)
$589,900
Open House

56-58 Raymond Ave  Plainfield, NJ 07062

  • Single Family
  • Active
  • Updated 4 days ago
  • 3
    Beds
  • 1
    Total Bath
Listed by Century 21 Alliance Realty
848 Adam Cir, Plainfield, NJ 07062 - Photo 1 Price Reduced
-$24,000 (-4.81%)
$475,000

848 Adam Cir  Plainfield, NJ 07062

  • Single Family
  • Active
  • Updated 3 days ago
  • 5
    Beds
  • 3
    Total Baths
  • 8,406
    Sq. Ft.
Listed by Era Reed Realty, Inc
58 Raymond Ave, Plainfield, NJ 07062 - Photo 1 Price Reduced
-$20,100 (-3.3%)
$589,900
Open House

58 Raymond Ave  Plainfield, NJ 07062

  • Single Family
  • Active
  • Updated 4 days ago
  • 3
    Beds
  • 1
    Total Bath

Recent Sales near 21 Old S Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

324 North Ave, Fanwood, NJ 07023 - Photo 1 Sold
$835,000

324 North Ave  Fanwood, NJ 07023

  • Single Family
  • Closed
  • 5
    Beds
Listed by Ward Freitas Realty
Sold by Era Suburb Realty
22 Laurel Pl, Fanwood, NJ 07023 - Photo 1 Sold
$760,000

22 Laurel Pl  Fanwood, NJ 07023

  • Single Family
  • Closed
  • 4
    Beds
Listed by CHRISTIE'S INT. REAL ESTATE GROUP
Sold by Weichert Realtors
120 S Martine Ave, Fanwood, NJ 07023 - Photo 1 Sold
$815,000

120 S Martine Ave  Fanwood, NJ 07023

  • Single Family
  • Closed
  • 3
    Beds
Listed by Angelo Ucciferri
Sold by The Kim Haley Team
72 Beech Ave, Fanwood, NJ 07023 - Photo 1 Sold
$851,000

72 Beech Ave  Fanwood, NJ 07023

  • Single Family
  • Closed
  • 4
    Beds
Listed by Prominent Properties Sir
Sold by Jill Horowitz Rome

21 Old South Ave, Fanwood, NJ 07023 (MLS# 3990862) is a Multi-Family property with 2 units containing 4 bedrooms and 2 full bathrooms. 21 Old South Ave is currently listed for $799,000 and was received on October 06, 2025. This property is listed by Alyssa Pereira from our Maplewood Office.Want to learn more about 21 Old South Ave? Do you have questions about finding other Multi-Family real estate for sale in Fanwood? You can browse all Fanwood real estate or contact a Coldwell Banker agent to request more information.

Tour this property