21 Whaleback Waddy
Denville, NJ 07834
— ba 1,452 sqft Built 1935 Lot 6,011 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 | $129,800 | $140,500 | $270,300 | $7,538 |
| 2024 | $129,800 | $140,500 | $270,300 | $7,449 |
| 2023 | $129,800 | $140,500 | $270,300 | $7,149 |
| 2022 | $129,800 | $140,500 | $270,300 | $6,952 |
| 2021 | $129,800 | $140,500 | $270,300 | $6,846 |
| 2020 | $129,800 | $140,500 | $270,300 | $6,789 |
| 2019 | $129,800 | $140,500 | $270,300 | $6,719 |
| 2018 | $129,800 | $140,500 | $270,300 | $6,657 |
| 2017 | $129,800 | $140,500 | $270,300 | $6,603 |
| 2016 | $129,800 | $140,500 | $270,300 | $6,449 |
| 2015 | $85,700 | $97,500 | $183,200 | $5,714 |
| 2014 | $85,700 | $97,500 | $183,200 | $5,600 |
| 2013 | $85,700 | $97,500 | $183,200 | $5,446 |
| 2012 | $85,700 | $97,500 | $183,200 | $5,276 |
| 2011 | $85,700 | $97,500 | $183,200 | $5,078 |
| 2009 | $85,700 | $97,500 | $183,200 | $4,838 |
| 2008 | $85,700 | $97,500 | $183,200 | $4,735 |
| 2007 | $85,700 | $97,500 | $183,200 | $4,488 |
Property facts
Year built
1935
Property type
single_family
Stories
1
Beds
—
Baths
—
Living area
1,452 sqft
Lot size
6,011 sqft
ZIP code
07834
City
Denville
Street
Whaleback Waddy
Coordinates
40.91639, -74.45637
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Whaleback Waddy last sell?
No public-record sale is on file for 21 Whaleback Waddy.
What is the current tax assessment for 21 Whaleback Waddy?
The most recent total assessment for 21 Whaleback Waddy (year 2025) is $270,300 with $7,538 in property tax.
When was 21 Whaleback Waddy built?
21 Whaleback Waddy was built in 1935.
How does 21 Whaleback Waddy compare to others on Whaleback Waddy?
We track 3 other properties on Whaleback Waddy. Browse the list under "Other properties on Whaleback Waddy" to compare beds, baths, and sale history.
What are the property facts for 21 Whaleback Waddy?
21 Whaleback Waddy is a — bath, 1,452 sqft, 6,011 sqft lot single_family.
Is 21 Whaleback Waddy a flip candidate?
No — 21 Whaleback Waddy does not appear in our flips dataset.
Is 21 Whaleback Waddy a tax-appeal candidate?
No — 21 Whaleback Waddy 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
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Geography
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