21 Hopatcong Ave
Mount Arlington, NJ 07856
7 bd 5 ba 3,800 sqft Built 1986 Lot 30,056 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $780,500 | $427,100 | $1,207,600 | $26,603 |
| 2024 | $780,500 | $427,100 | $1,207,600 | $24,586 |
| 2023 | $780,500 | $427,100 | $1,207,600 | $23,608 |
| 2022 | $351,700 | $348,100 | $699,800 | $19,440 |
| 2021 | $351,700 | $348,100 | $699,800 | $19,146 |
| 2020 | $351,700 | $348,100 | $699,800 | $18,824 |
| 2019 | $351,700 | $348,100 | $699,800 | $18,439 |
| 2018 | $351,700 | $348,100 | $699,800 | $18,397 |
| 2017 | $351,700 | $348,100 | $699,800 | $18,187 |
| 2016 | $351,700 | $348,100 | $699,800 | $18,152 |
| 2015 | $351,700 | $348,100 | $699,800 | $17,837 |
| 2014 | $351,700 | $348,100 | $699,800 | $17,634 |
| 2013 | $332,000 | $348,100 | $680,100 | $16,859 |
| 2012 | $332,000 | $348,100 | $680,100 | $16,614 |
| 2011 | $332,000 | $348,100 | $680,100 | $16,233 |
| 2009 | $332,000 | $348,100 | $680,100 | $14,935 |
| 2008 | $277,000 | $348,100 | $625,100 | $13,320 |
| 2007 | $277,000 | $348,100 | $625,100 | $12,126 |
Property facts
Year built
1986
Property type
single_family
Stories
—
Beds
7
Baths
5
Living area
3,800 sqft
Lot size
30,056 sqft
ZIP code
07856
City
Mount Arlington
Street
Hopatcong Ave
Coordinates
40.93244, -74.63345
Comparable properties nearby
Frequently asked questions
When did 21 Hopatcong Ave last sell?
No public-record sale is on file for 21 Hopatcong Ave.
What is the current tax assessment for 21 Hopatcong Ave?
The most recent total assessment for 21 Hopatcong Ave (year 2025) is $1,207,600 with $26,603 in property tax.
When was 21 Hopatcong Ave built?
21 Hopatcong Ave was built in 1986.
How does 21 Hopatcong Ave compare to others on Hopatcong Ave?
We track 4 other properties on Hopatcong Ave. Browse the list under "Other properties on Hopatcong Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Hopatcong Ave?
21 Hopatcong Ave is a 7 bed, 5 bath, 3,800 sqft, 30,056 sqft lot single_family.
Is 21 Hopatcong Ave a flip candidate?
No — 21 Hopatcong Ave does not appear in our flips dataset.
Is 21 Hopatcong Ave a tax-appeal candidate?
No — 21 Hopatcong Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-2.5%
Implied 1-yr
-10.1%
2026 Q3
$426.3K
2026 Q4
$413.4K
ZIP 07856 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Hopatcong Ave