21 Upper Mountain Ave
Montclair, NJ 07042
- 4 Beds
- 3 Baths
- 2,998 sqft
4 Beds
3 Baths
2,998 sqft
Local Information
-- mins to
Description
This multi-family home is located at 21 Upper Mountain Ave, Montclair, NJ. 21 Upper Mountain Ave is in Montclair, NJ and in ZIP code 07042. This property has 4 bedrooms, 3 bathrooms and approximately 2,998 sqft of floor space. This property has a lot size of 10485 sqft and was built in 1899.
21 Upper Mountain Ave, Montclair, NJ 07042 is a 4 bedroom, 3 bathroom, 2,998 sqft multi-family built in 1899. It last sold for $1,900 on May 1, 2020. It is currently off market. The Trulia Estimate is $1,180,600, with a rent estimate of $4,223/month.
Home Highlights
Parking
No Info
Outdoor
Porch
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago
Home Details for 21 Upper Mountain Ave
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Interior Details BasementNumber of Rooms: 14Types of Rooms: Breakfast Nook, Dining Room, Family Room, OfficeCeiling Fan |
Heating & Cooling Heating: Other, GasAir ConditioningCooling System: CentralHeating Fuel: Other |
Levels, Entrance, & Accessibility Stories: 3Floors: Hardwood |
Appliances & Utilities Cable ReadyDishwasherDryerMicrowaveRefrigeratorWasher |
Windows, Doors, Floors & Walls Double Paned Windows |
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Exterior Home Features Roof: CompositionExterior: Shingle, WoodLawnPorch |
Parking & Garage Parking Spaces: 3Parking: Off Street |
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Year Built Year Built: 1899 |
Property Type / Style Property Type: Multi Family |
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Units in Building: 2 |
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Lot Area: 10485 sqft |
Price History for 21 Upper Mountain Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 05/01/2020 | $1,900 | Sold | N/A |
| 08/11/2016 | $721,000 | Sold | N/A |
| 05/20/2016 | $589,000 | Listed For Sale | Agent Provided |
Market trends in Montclair
Last updated June 2026
Avg. sale price
$1.22M
$211KMoM
Sale-to-List Price
123.6%
Price per sq ft
—
Available listings
81
4MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $21,300 |
| Assessment | $605,800 |
Home facts updated by county records
Comparable Sales for 21 Upper Mountain Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.41 | Multi-Family Home | $1,100,000 | 02/19/26 | 2 | 1 | 3,868 | |
0.44 | Multi-Family Home | $381,500 | 09/29/25 | 1 | 1 | 971 | |
1.27 | Multi-Family Home | $55,435 | 04/28/26 | 4 | 2 | 2,160 | |
1.53 | Multi-Family Home | $840,000 | 10/20/25 | 4 | 2 | 1,962 | |
1.85 | Multi-Family Home | $8,500 | 07/23/25 | 6 | 4 | 2,700 | |
0.16 | Multi-Family Home | $1,200,000 | 12/09/25 | 5 | 3 | - | |
1.83 | Multi-Family Home | $707,000 | 03/16/26 | 4 | 3 | 2,358 | |
0.21 | Multi-Family Home | $1,200,000 | 12/09/25 | - | - | ||
0.85 | Multi-Family Home | $235,000 | 10/07/25 | 1 | 1 | 667 | |
1.27 | Multi-Family Home | $111,240 | 02/10/26 | 2 | 1 | 2,356 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 21 Upper Mountain Ave.
What Locals Say about Montclair
At least 598 Trulia users voted on each feature.
95 % Say there are sidewalks
94 % Say it's dog friendly
84 % Say it's walkable to restaurants
81 % Say people would walk alone at night
76 % Say there's holiday spirit
71 % Say yards are well-kept
71 % Say kids play outside
68 % Say car is needed
67 % Say streets are well-lit
65 % Say they plan to stay for at least 5 years
64 % Say it's quiet
63 % Say neighbors are friendly
62 % Say it's walkable to grocery stores
62 % Say there's wildlife
57 % Say parking is easy
54 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
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