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$599,999

  • For Sale
  • Under Contract
  • Duplex
  • 4 Beds
  • 2 Full Baths
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Located in the highly desirable Bertrand Island community of Mount Arlington, this charming two-family home offers the perfect blend of lifestyle and investment potential. Just a short walk to the shores of Lake Hopatcong, you'll enjoy beautiful lake views and all the charm of one of the area's most sought-after neighborhoods.Known for its quiet streets, friendly atmosphere, and unique peninsula-like setting, Bertrand Island offers a peaceful lakeside retreat while remaining conveniently close to shopping, dining, major highways, and NJ Transit. Whether you're looking to owner-occupy and offset your mortgage with rental income or expand your investment portfolio, this versatile property presents a fantastic opportunity.Experience the best of lake living in a welcoming community where scenic views, walkability, and year-round recreation are all within easy reach.

Full Property Details for 20 Oak St

General

  • Price: $599,999
  • Taxes: $7,073
  • Status: Under Contract
  • Type: Duplex
  • Source: NJMLS
  • MLS ID: 26025568
  • Updated: 8/5/2026
  • Added to Site: 52 day(s) ago

Interior

  • Number of Rooms: 6

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2

Bedrooms

  • Total Bedrooms: 4

Other Rooms

  • Laundry: In Unit

Location

  • Area: Mount Arlington Boro
  • County: MORRIS

Utilities

  • Utility Description: Other (See Remarks)

Structural Information

  • Architectural Style: 2 Family

Financial Considerations

  • For Sale: Yes
  • For Sale/Rent/Lease: For Sale
  • Tax Amount: $7,073

Listed by Realty of America LLC (833) 256-4244, Bryant Cuadros (833) 256-4244

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Listing agent

— 20 Oak St —

  • Bryant Cuadros

    Realty of America LLC

    833-256-4244

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 20 Oak St

School District:Mount Arlington Borough School District
NameGradesDistance
Mount Arlington Public Elementary School
235 Howard Boulevard, Mount Arlington, NJ 07856
3-80.9 mi
Edith M. Decker Elementary School
446 Howard Boulevard, Mount Arlington, NJ 07856
PK-21.2 mi
Roxbury High School
One Bryant Drive, Roxbury Township, NJ 07876
9-124.6 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 20 Oak St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
7/07/2026
Listed
$599,999
89.27%
MLS
10/12/2006
Sold
$317,000
—
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 20 Oak St

Year
Property Taxes
Change
Tax Assessment
Change
2024
$6,538
17%
$321,100
—
2022
$5,609
5%
$321,100
59%
2021
$5,319
—
$201,900
—
2018
$5,308
—
$201,900
—
2019
$5,320
1%
$201,900
—
2017
$5,247
—
$201,900
—
2016
$5,237
12%
$201,900
10%
2015
$4,685
3%
$183,800
—
2013
$4,556
—
$183,800
—
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 20 Oak St

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*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

Listed by Realty of America LLC (833) 256-4244, Bryant Cuadros (833) 256-4244

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20 Oak Street, Mount Arlington, NJ 07856 (MLS# 26025568) is a Duplex property with 4 bedrooms and 2 full bathrooms. 20 Oak Street is currently listed for $599,999 and was received on July 07, 2026. Want to learn more about 20 Oak Street? Do you have questions about finding other Duplex real estate for sale in Mount Arlington? You can browse all Mount Arlington real estate or contact a Coldwell Banker agent to request more information.

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