Houses for sale in Mountainside

2,161,742 available properties
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New
Foreclosure
House
House for sale in Mountainside, Union County
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Mountainside, Union County

2,025 sq.ft

1 day + 15 hours ago

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Updated
Foreclosure
House
House for sale in Mountainside, Union County
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Mountainside, Union County

1,338 sq.ft

1 day + 15 hours ago

34 pictures Arrow icon pointing to the right
House
House for sale in Mountainside, Union County
USD 1,899,000
Mountainside, Union County
PatioDeckFireplaceEquipped kitchen

2 weeks + 1 day ago

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Updated
Foreclosure
House
House for sale in Mountainside, Union County
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Mountainside, Union County

1 day + 15 hours ago

24 pictures Arrow icon pointing to the right
House
House for sale in Mountainside, Union County
USD 979,000
Mountainside, Union County
GardenOffice roomDeckBalconyEquipped kitchenCellar

1 week + 6 days ago

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Foreclosure
House
House for sale in Mountainside, Union County
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Mountainside, Union County

4 Bedrooms

3 Bathrooms

2,562 sq.ft

1 day + 15 hours ago

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Updated
Foreclosure
House
House for sale in Mountainside, Union County
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Mountainside, Union County

1 day + 15 hours ago

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Updated
Foreclosure
House
House for sale in Mountainside, Union County
Request Details
Mountainside, Union County

1 day + 15 hours ago

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Updated
Foreclosure
House
House for sale in Mountainside, Union County
Request Details
Mountainside, Union County

1 day + 15 hours ago

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Updated
Foreclosure
House
House for sale in Mountainside, Union County
Request Details
Mountainside, Union County

1,860 sq.ft

1 day + 15 hours ago

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Updated
Foreclosure
Commercial
Commercial for sale in Mountainside, Union County
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Mountainside, Union County

1 day + 15 hours ago

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New
House
House for sale in Mountainside, Union County
USD 1,550,000
Mountainside, Union County

5 Bedrooms

FireplaceEquipped kitchenParking

1 day + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 999,000
Mountainside, Union County

5 Bedrooms

3 Bathrooms

2,745 sq.ft

GardenDeckFireplaceParkingAir conditioningSwimming poolCellar

1 week + 6 days ago

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House
House for sale in Mountainside, Union County
USD 1,295,000
Mountainside, Union County

3 Bedrooms

GardenDeckFireplaceEquipped kitchen

4 days + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 1,125,000
Mountainside, Union County

4 Bedrooms

FireplaceEquipped kitchenParking

4 days + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 1,125,000
Mountainside, Union County

4 Bedrooms

4 Bathrooms

FireplaceEquipped kitchenParking

4 days + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 959,000
Mountainside, Union County

2 Bedrooms

3 Bathrooms

2,378 sq.ft

Equipped kitchenCellar

4 days + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 949,999
Mountainside, Union County

3 Bedrooms

Office roomFireplaceEquipped kitchen

5 days + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 974,999
Mountainside, Union County

5 Bedrooms

2,745 sq.ft

GardenDeckFireplaceParkingAir conditioningSwimming poolCellar

6 days + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 974,999
Mountainside, Union County

5 Bedrooms

3 Bathrooms

2,745 sq.ft

GardenDeckFireplaceParkingAir conditioningSwimming poolCellar

6 days + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 1,199,000
Mountainside, Union County

4 Bedrooms

PatioGardenEquipped kitchenCellar

6 days + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 3,600,000
Mountainside, Union County

4 Bedrooms

4 Bathrooms

4,500 sq.ft

PatioGardenOffice roomFireplaceEquipped kitchenParking

1 week + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 1,499,100
Mountainside, Union County

5 Bedrooms

3,645 sq.ft

Office roomEquipped kitchen

1 week + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 3,600,000
Mountainside, Union County

4 Bedrooms

4,500 sq.ft

PatioGardenOffice roomFireplaceEquipped kitchenParking

1 week + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 879,999
Mountainside, Union County

4 Bedrooms

Equipped kitchen

1 week + 15 hours ago

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House
House for sale in Mountainside, Union County
USD 749,900
Mountainside, Union County

3 Bedrooms

3 Bathrooms

GardenOffice roomDeckEquipped kitchenParkingAir conditioningCellar

1 week + 1 day ago

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House
House for sale in Mountainside, Union County
USD 749,900
Mountainside, Union County

3 Bedrooms

GardenOffice roomDeckEquipped kitchenParkingAir conditioningCellar

1 week + 1 day ago

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House
House for sale in Mountainside, Union County
USD 799,999
Mountainside, Union County

4 Bedrooms

2,750 sq.ft

Equipped kitchenParkingCellar

1 week + 1 day ago

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House
House for sale in Mountainside, Union County
USD 975,000
Mountainside, Union County

3 Bedrooms

2,149 sq.ft

PatioGardenOffice roomEquipped kitchenCellar

1 week + 6 days ago

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House
House for sale in Mountainside, Union County
USD 749,999
Mountainside, Union County

3 Bedrooms

GymEquipped kitchenCellar

1 week + 6 days ago

Property value in Mountainside
Average price per sq.feet
USD 412/sq.feet
0.0 %
Price evolution on August 2026
2.2 %
Price evolution on September 2025
Average property value
USD 999,000

Property value in Mountainside by number of bedrooms

USD 959,000 USD 403/sq.feet
Average price of 2 bedrooms
USD 655,000 USD 278/sq.feet
Average price of 3 bedrooms Houses for sale with 3 bedrooms
USD 1,499,100 USD 411/sq.feet
Average price of 4 bedrooms Houses for sale with 4 bedrooms
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