Mountainside NJ
24 active listings out of 2.7K total properties we track across 4 Mountainside ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show New Jersey (statewide), not just Mountainside. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 24 currently-active listings in Mountainside, NJ. Full dataset covers 2.7K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Mountainside
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other New Jersey cities within driving distance.
Get Mountainside, NJ data in your app
GET https://api.straply.com/v1/markets/city/mountainside-nj
Authorization: Bearer $STRAPLY_KEY {
"city": "mountainside-nj",
"total_tracked": 2690,
"active": 24,
"median_list": 969000
} Mountainside, NJ real estate: market summary
As of April 2026, Straply tracks 2,690 homes in Mountainside, NJ, with 24 active for sale at a median list price of $969,000 (~$419/sq ft). Notably, most homes were built in the 1950s.
- Median list price
- $969,000
- Median $/sq ft
- $419
- Active listings
- 24
- Properties tracked
- 2,690
Frequently asked: Mountainside, NJ real estate
What is the median home price in Mountainside?
The median list price in Mountainside, NJ is $969,000 (about $419 per square foot), based on 24 active listings tracked by Straply as of April 2026.
What price range are homes in Mountainside?
Active listings in Mountainside, NJ concentrate in: 56% $750k–$1m and 35% $1m–$2m.
How many homes are for sale in Mountainside?
Straply is tracking 24 active listings in Mountainside, NJ out of 2,690 properties on record as of April 2026.
How old are the homes in Mountainside?
Most homes in Mountainside, NJ were built in the 1950s. About 13% were built after 1980, while 7% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Mountainside?
Mountainside, NJ is mostly single-family homes (100% of listings).
How many bedrooms do homes in Mountainside typically have?
The most common size in Mountainside, NJ is 4 bd.
What areas are near Mountainside?
Nearby markets Straply also tracks include Westfield, Scotch Plains, Garwood, Springfield.
Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.