4 County Line Rd
Mendham, NJ 07945
5 bd 10 ba 9,282 sqft Built 1989 Lot 216,929 sqft single_family
Most recent sale
$937,500
Feb 28, 1994
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 25, 2025 | Sold | $3,500,000 | Public Record |
| Apr 25, 2025 | Listed | $3,800,000 | GardenState |
| Mar 3, 2022 | Listed | $3,900,000 | MLS #3767033 |
| Feb 28, 1994 | Sold | $937,500 | Public Record |
| Jul 5, 1991 | Sold | $800,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,402,000 | $798,000 | $2,200,000 | $55,572 |
| 2024 | $1,402,000 | $798,000 | $2,200,000 | $54,120 |
| 2023 | $1,402,000 | $798,000 | $2,200,000 | $53,988 |
| 2022 | $1,402,000 | $798,000 | $2,200,000 | $52,448 |
| 2021 | $1,402,000 | $798,000 | $2,200,000 | $51,524 |
| 2020 | $1,402,000 | $798,000 | $2,200,000 | $50,622 |
| 2019 | $1,402,000 | $798,000 | $2,200,000 | $49,434 |
| 2018 | $1,402,000 | $798,000 | $2,200,000 | $48,730 |
| 2017 | $1,402,000 | $798,000 | $2,200,000 | $48,026 |
| 2016 | $1,402,000 | $798,000 | $2,200,000 | $46,574 |
| 2015 | $1,402,000 | $798,000 | $2,200,000 | $45,540 |
| 2014 | $1,668,300 | $798,000 | $2,466,300 | $49,720 |
| 2013 | $1,668,300 | $798,000 | $2,466,300 | $48,265 |
| 2012 | $1,668,300 | $798,000 | $2,466,300 | $47,303 |
| 2011 | $1,668,300 | $798,000 | $2,466,300 | $47,057 |
| 2010 | $1,668,300 | $798,000 | $2,466,300 | $46,835 |
| 2009 | $1,957,100 | $798,500 | $2,755,600 | $42,050 |
| 2008 | $1,957,100 | $798,500 | $2,755,600 | $40,176 |
| 2007 | $1,957,100 | $798,500 | $2,755,600 | $38,027 |
Property facts
Year built
1989
Property type
single_family
Stories
—
Beds
5
Baths
10
Living area
9,282 sqft
Lot size
216,929 sqft
ZIP code
07945
City
Mendham
Street
County Line Rd
Coordinates
40.75278, -74.58925
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 4 County Line Rd last sell?
4 County Line Rd most recently sold on Feb 28, 1994 for $937,500.
What is the current tax assessment for 4 County Line Rd?
The most recent total assessment for 4 County Line Rd (year 2025) is $2,200,000 with $55,572 in property tax.
How does 4 County Line Rd's assessment compare to its last sale price?
The current assessment is 134.7% above the last sale price of $937,500.
When was 4 County Line Rd built?
4 County Line Rd was built in 1989.
How does 4 County Line Rd compare to others on County Line Rd?
We track 5 other properties on County Line Rd. Browse the list under "Other properties on County Line Rd" to compare beds, baths, and sale history.
What are the property facts for 4 County Line Rd?
4 County Line Rd is a 5 bed, 10 bath, 9,282 sqft, 216,929 sqft lot single_family.
Is 4 County Line Rd a flip candidate?
No — 4 County Line Rd does not appear in our flips dataset.
Is 4 County Line Rd a tax-appeal candidate?
No — 4 County Line 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
+3.6%
Implied 1-yr
+14.4%
2026 Q3
$1.92M
2026 Q4
$1.92M
ZIP 07945 — Median Price History + Forecast
Explore nearby
Geography
Other properties on County Line Rd