20 Long Ave
Mahwah, NJ 07430
— ba 1,760 sqft Built 1948 Lot 6,251 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 | $118,800 | $187,500 | $306,300 | $6,515 |
| 2024 | $118,800 | $187,500 | $306,300 | $6,322 |
| 2023 | $118,800 | $187,500 | $306,300 | $6,239 |
| 2022 | $118,800 | $187,500 | $306,300 | $6,040 |
| 2021 | $118,800 | $187,500 | $306,300 | $5,975 |
| 2020 | $118,800 | $187,500 | $306,300 | $5,831 |
| 2019 | $118,800 | $187,500 | $306,300 | $5,638 |
| 2018 | $118,800 | $187,500 | $306,300 | $5,559 |
| 2017 | $118,800 | $187,500 | $306,300 | $5,470 |
| 2016 | $118,800 | $187,500 | $306,300 | $5,351 |
| 2015 | $118,800 | $187,500 | $306,300 | $5,277 |
| 2014 | $118,800 | $187,500 | $306,300 | $5,188 |
| 2013 | $118,800 | $187,500 | $306,300 | $5,096 |
| 2012 | $118,800 | $187,500 | $306,300 | $4,980 |
| 2010 | $118,800 | $187,500 | $306,300 | $4,657 |
| 2009 | $98,500 | $120,800 | $219,300 | $4,524 |
| 2008 | $98,500 | $120,800 | $219,300 | $4,083 |
| 2007 | $98,500 | $120,800 | $219,300 | $3,916 |
Property facts
Year built
1948
Property type
single_family
Stories
1
Beds
—
Baths
—
Living area
1,760 sqft
Lot size
6,251 sqft
ZIP code
07430
City
Mahwah
Street
Long Ave
Coordinates
41.10700, -74.15371
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 20 Long Ave last sell?
No public-record sale is on file for 20 Long Ave.
What is the current tax assessment for 20 Long Ave?
The most recent total assessment for 20 Long Ave (year 2025) is $306,300 with $6,515 in property tax.
When was 20 Long Ave built?
20 Long Ave was built in 1948.
How does 20 Long Ave compare to others on Long Ave?
We track 8 other properties on Long Ave. Browse the list under "Other properties on Long Ave" to compare beds, baths, and sale history.
What are the property facts for 20 Long Ave?
20 Long Ave is a — bath, 1,760 sqft, 6,251 sqft lot single_family.
Is 20 Long Ave a flip candidate?
No — 20 Long Ave does not appear in our flips dataset.
Is 20 Long Ave a tax-appeal candidate?
No — 20 Long 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
+0.4%
Implied 1-yr
+1.8%
2026 Q2
$849.4K
2026 Q3
$853K
ZIP 07430 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Long Ave