21 Mountain Rd
Denville, NJ 07834
— ba 3,249 sqft Built 2007 Lot 16,117 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 | $488,900 | $171,500 | $660,400 | $18,418 |
| 2024 | $488,900 | $171,500 | $660,400 | $18,200 |
| 2023 | $488,900 | $171,500 | $660,400 | $17,467 |
| 2022 | $488,900 | $171,500 | $660,400 | $16,985 |
| 2021 | $488,900 | $171,500 | $660,400 | $16,727 |
| 2020 | $488,900 | $171,500 | $660,400 | $16,589 |
| 2019 | $488,900 | $171,500 | $660,400 | $16,417 |
| 2018 | $488,900 | $171,500 | $660,400 | $16,265 |
| 2017 | $488,900 | $171,500 | $660,400 | $16,133 |
| 2016 | $488,900 | $171,500 | $660,400 | $15,757 |
| 2015 | $405,000 | $134,300 | $539,300 | $16,820 |
| 2014 | $379,700 | $134,300 | $514,000 | $15,712 |
| 2013 | $379,700 | $134,300 | $514,000 | $15,281 |
| 2012 | $379,700 | $134,300 | $514,000 | $14,803 |
| 2011 | $379,700 | $134,300 | $514,000 | $14,248 |
| 2009 | $379,700 | $134,300 | $514,000 | $13,574 |
| 2008 | $376,700 | $134,300 | $511,000 | $13,209 |
| 2007 | — | $134,300 | $134,300 | $3,290 |
Property facts
Year built
2007
Property type
single_family
Stories
2
Beds
—
Baths
—
Living area
3,249 sqft
Lot size
16,117 sqft
ZIP code
07834
City
Denville
Street
Mountain Rd
Coordinates
40.88846, -74.49677
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Mountain Rd last sell?
No public-record sale is on file for 21 Mountain Rd.
What is the current tax assessment for 21 Mountain Rd?
The most recent total assessment for 21 Mountain Rd (year 2025) is $660,400 with $18,418 in property tax.
When was 21 Mountain Rd built?
21 Mountain Rd was built in 2007.
How does 21 Mountain Rd compare to others on Mountain Rd?
We track 4 other properties on Mountain Rd. Browse the list under "Other properties on Mountain Rd" to compare beds, baths, and sale history.
What are the property facts for 21 Mountain Rd?
21 Mountain Rd is a — bath, 3,249 sqft, 16,117 sqft lot single_family.
Is 21 Mountain Rd a flip candidate?
No — 21 Mountain Rd does not appear in our flips dataset.
Is 21 Mountain Rd a tax-appeal candidate?
No — 21 Mountain Rd is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+5.1%
Implied 1-yr
+20.4%
2026 Q3
$951.5K
2026 Q4
$988K
ZIP 07834 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mountain Rd