21 Mountainside Rd
Mendham, NJ 07945
4 Beds
2.5 Baths
2,506 sqft (on 3.01 acres)
4 Beds
2.5 Baths
2,506 sqft
(on 3.01 acres)
Home Value
Trulia Estimate
$1.17MSince last month
Increased$3K (+0.3%)Since last year
Increased$74K (+6.7%)Since last sale
Increased$417K (+55.3%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +77% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $1.17M |
| July 2026 | $1.17M |
| June 2026 | $1.18M |
| May 2026 | $1.16M |
| April 2026 | $1.14M |
| March 2026 | $1.11M |
| February 2026 | $1.09M |
| January 2026 | $1.06M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.82 | Single-Family Home | $785,000 | 10/30/25 | 4 | 2.5 | 2,428 | |
0.43 | Single-Family Home | $700,000 | 12/11/25 | 3 | 3 | 1,522 | |
0.23 | Single-Family Home | $1,119,000 | 06/03/26 | 5 | 3 | - | |
0.21 | Single-Family Home | $1,150,000 | 10/31/25 | 5 | 4 | - | |
0.24 | Single-Family Home | $587,500 | 03/26/26 | 2 | 2 | - | |
0.59 | Single-Family Home | $1,575,000 | 12/12/25 | 4 | 4.5 | 4,514 | |
0.19 | Single-Family Home | $620,000 | 04/30/26 | 3 | 3 | - | |
0.69 | Single-Family Home | $835,000 | 01/21/26 | 3 | 2 | - | |
0.17 | Single-Family Home | $670,000 | 04/27/26 | 3 | 4 | - | |
0.62 | Single-Family Home | $950,000 | 06/17/26 | 4 | 3 | - |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.12 | $790,000 | 5 | 3 | - | Recently Sold | |
0.14 | $703,000 | 3 | 4 | - | Off Market | |
0.16 | $813,500 | 3 | 3 | - | Off Market | |
0.17 | $670,000 | 3 | 4 | - | Recently Sold | |
0.17 | $678,600 | 2 | 3 | - | Off Market | |
0.21 | $1,150,000 | 5 | 4 | - | Recently Sold | |
0.17 | $1,854,600 | 4 | 6 | - | Off Market | |
0.17 | $794,200 | 3 | 4 | - | Off Market | |
0.19 | $620,000 | 3 | 3 | - | Recently Sold | |
0.18 | $815,200 | 3 | 3 | - | Off Market | |
0.21 | $1,661,600 | 4 | 4 | - | Off Market | |
0.19 | $1,250,000 | 4 | 4 | - | Off Market |
Local Information
- Map ViewExplore the area around 21 Mountainside Rd.
- Schools1 Preschool School2 Elementary Schools1 Middle School1 High School
- Shop & Eat
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1972
Lot Size
3.01 acres
Living Area
2,506 sqft
Price/Sqft
$468
About this House
Pristine 4 bedroom colonial located on Mendham's east side with many updates! Kitchen '12, Master Bath '17, Main Bath '16, Roof '15, Furnace '14, Water Heater '16. Plus new septic being installed. 3+ private, park-like acres and beautiful front views that can be enjoyed throughout the house. The lush, professionally landscaped yard hosts an abundance of specimen trees and perennial plantings. Inside, the home offers a beautifully renovated kitchen that will please any chef, updated bathrooms and allows for easy expansion possibilities. The large family room with wood burning fireplace and generous dining and living rooms make for comfortable living and easy entertaining. Close to schools, shopping and commuting roads, this home has it all!
21 Mountainside Rd, Mendham, NJ 07945 is a 4 bedroom, 3 bathroom, 2,506 sqft single-family home built in 1972. It last sold for $753,500 on Sep 6, 2017. It is currently off market. The Trulia Estimate is $1,172,500, with a rent estimate of $5,376/month.
Home Details for 21 Mountainside Rd
|
|---|
Year Built Year Built: 1972 |
Property Type / Style Property Type: Single Family HomeArchitecture: Colonial |
|
|---|
Interior Details Additional StorageStorage |
Fireplace & Spa Fireplace |
|
|---|
Exterior Home Features Patio |
|
|---|
Units in Building: 1 |
|
|---|
Lot Area: 3.01 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Sep 6, 2017 Source: GSMLS #3390198 | Sold | $753,500 |
May 23, 2017 Source: Agent Provided | Listed For Sale | $772,000 |
Nov 7, 2003 Source: N/A | Sold | $642,500 |
Jun 25, 1997 Source: N/A | Sold | $372,000 |
Dec 6, 1995 Source: N/A | Sold | $389,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $15,563 | $801,400 |
Home facts updated by county records
Market trends in Mendham
Last updated July 2026
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
28
2MoM
Around this home
What Locals Say about Mendham
At least 49 Trulia users voted on each feature.
95 % Say parking is easy
95 % Say car is needed
87 % Say there's wildlife
84 % Say there's holiday spirit
81 % Say it's dog friendly
80 % Say it's quiet
76 % Say yards are well-kept
73 % Say people would walk alone at night
72 % Say neighbors are friendly
68 % Say they plan to stay for at least 5 years
63 % Say kids play outside
61 % Say there are community events
50 % Say there are sidewalks
46 % Say it's walkable to restaurants
45 % Say it's walkable to grocery stores
37 % Say streets are well-lit
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 21 Mountainside Rd
- What is 21 Mountainside Rd estimated to be worth?Trulia's estimated value for 21 Mountainside Rd in Mendham, NJ is $1,172,500.
- What is the price history for 21 Mountainside Rd?21 Mountainside Rd in Mendham, NJ last sold for $753,500 in September 2017.
- Is Mendham a buyer's or seller's market?Mendham is currently a seller's market, based on recent for-sale activity.
- What do residents say about Mendham?Residents describe Mendham, NJ as easy to park in, dog-friendly, and quiet. Most residents say you need a car. See recently sold homes in Mendham, NJ.
- How big is the lot at 21 Mountainside Rd?The lot at 21 Mountainside Rd in Mendham, NJ is about 3 acres.
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