10x20 Storage in Mountainside, NJ

Public Storage - Hillside - 625 Glenwood Ave

Extra Space Storage - 6080 - Elizabeth - Division St

Extra Space Storage - 8341 - Parsippany - Littleton Rd

CubeSmart Self Storage - 619 Somerset St.

Extra Space Storage - 3780 - Piscataway - Stelton Rd

Storage Rentals of America - Belleville - 20 Mill Street

CubeSmart Self Storage - NJ Bound Brook South Main Street

The Lock Up Self Storage - Livingston

Public Storage - Perth Amboy - 112 New Brunswick Ave

Compass Self Storage - Compass Self Storage - Locust Ave (312)

CubeSmart Self Storage - NJ Woodbridge St Georges Ave

Access Self Storage - Access Self Storage of Woodbridge

Extra Space Storage - 1870 - Belleville - Franklin Ave

CubeSmart Self Storage - Elizabeth

Extra Space Storage - 4113 - East Hanover - State Route 10

Storage Rentals of America - Woodbridge - King Georges Rd

Extra Space Storage - 7508 - Florham Park - Vreeland Rd

Public Storage - Bridgewater - 805 E Main Street

Extra Space Storage - 3356 - Piscataway - New Brunswick Ave.

Extra Space Storage - 6278 - Newark - Wilson Ave

CubeSmart Self Storage - Staten Island

Extra Space Storage - 4275 - Somerset - Elizabeth Ave

CubeSmart Self Storage - NJ Kearny Breiderhoft Rd

CubeSmart Self Storage NY Staten Island Ellis St

Access Self Storage - Access Self Storage of Bernardsville

CubeSmart Self Storage - Roseland

31 - 60 of 62 Storage Facilities in Mountainside, NJ

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Photo of Public Storage - Hillside - 625 Glenwood Ave

6.3 miles away

4.7(28)

Public Storage - Hillside - 625 Glenwood Ave

625 Glenwood Ave, Hillside, NJ, 07205

10' x 20'1 Left

$278.00$222^.00

Online Move-In Available

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8.3 miles away

Extra Space Storage - 6080 - Elizabeth - Division St

165 Division Street, Elizabeth, NJ, 07201

10' x 20'

$247^.00

Online Move-In Available

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13.8 miles away

Extra Space Storage - 8341 - Parsippany - Littleton Rd

169 Littleton Road, Parsippany-Troy Hills, NJ, 07054

10' x 20'

$405.00$375^.00

Online Move-In Available

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Photo of CubeSmart Self Storage - 619 Somerset St.

14.1 miles away

5.0(2)

CubeSmart Self Storage - 619 Somerset St.

619 Somerset Street, Franklin Township, NJ, 08873

20' x 10'

$222.00$133^.20

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Photo of Extra Space Storage - 3780 - Piscataway - Stelton Rd

9 miles away

5.0(1)

Extra Space Storage - 3780 - Piscataway - Stelton Rd

500 Stelton Road, Piscataway, NJ, 08854

10' x 20'

$190.00$172^.00

Online Move-In Available

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Photo of Storage Rentals of America - Belleville - 20 Mill Street

13.2 miles away

4.4(26)

Storage Rentals of America - Belleville - 20 Mill Street

20 Mill Street, Belleville, NJ, 07109

10' x 20'1 Left

$299^.00

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Photo of CubeSmart Self Storage - NJ Bound Brook South Main Street

11.8 miles away

4.9(12)

CubeSmart Self Storage - NJ Bound Brook South Main Street

69 South Main Street, Bound Brook, NJ, 08805

24' x 10'

$447.00$268^.20

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Photo of The Lock Up Self Storage - Livingston

9 miles away

4.3(2)

The Lock Up Self Storage - Livingston

305 Eisenhower Parkway, Livingston, NJ, 07039

20' x 11'3 Left

$516.00$330^.00

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Photo of Public Storage - Perth Amboy - 112 New Brunswick Ave

10.7 miles away

5.0(3)

Public Storage - Perth Amboy - 112 New Brunswick Ave

112 New Brunswick Ave, Perth Amboy, NJ, 08861

10' x 20'1 Left

$281.00$225^.00

Online Move-In Available

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11.3 miles away

Compass Self Storage - Compass Self Storage - Locust Ave (312)

58-76 Locust Avenue, Bloomfield, NJ, 07003

10' x 20'1 Left

$274^.00

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Photo of CubeSmart Self Storage - NJ Woodbridge St Georges Ave

7.9 miles away

2.5(1)

CubeSmart Self Storage - NJ Woodbridge St Georges Ave

881 Saint Georges Avenue, Woodbridge Township, NJ, 07095

10' x 25'

$501.00$300^.60

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Photo of Access Self Storage - Access Self Storage of Woodbridge

9.7 miles away

4.4(24)

Access Self Storage - Access Self Storage of Woodbridge

135 Amboy Avenue, Woodbridge Township, NJ, 07095

10' x 20'2 Left

$339^.00

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12.6 miles away

Extra Space Storage - 1870 - Belleville - Franklin Ave

11 Franklin Avenue, Belleville, NJ, 07109

10' x 20'

$431.00$401^.00

Online Move-In Available

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Photo of CubeSmart Self Storage - Elizabeth

6.8 miles away

4.8(8)

CubeSmart Self Storage - Elizabeth

343 West Grand Street, Elizabeth, NJ, 07202

10' x 20'

$536.00$321^.60

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Photo of Extra Space Storage - 4113 - East Hanover - State Route 10

9.6 miles away

4.8(14)

Extra Space Storage - 4113 - East Hanover - State Route 10

188 New Jersey 10, East Hanover, NJ, 07936

20' x 10'

$280.00$251^.00

Online Move-In Available

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9.8 miles away

Storage Rentals of America - Woodbridge - King Georges Rd

501 King Georges Road, Woodbridge Township, NJ, 07095

15' x 15'1 Left

$205^.00

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14.9 miles away

4.8(10)

Fairfield Self Storage

226 Passaic Avenue, Fairfield, NJ, 07004

10' x 25'1 Left

$350^.00

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7.5 miles away

Extra Space Storage - 7508 - Florham Park - Vreeland Rd

37 Vreeland Road, Florham Park, NJ, 07932

10' x 20'

$339.00$309^.00

Online Move-In Available

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Photo of Public Storage - Bridgewater - 805 E Main Street

13.2 miles away

4.9(31)

Public Storage - Bridgewater - 805 E Main Street

805 E Main Street, Bridgewater, NJ, 08807

10' x 20'2 Left

$504.00$378^.00

Online Move-In Available

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8.6 miles away

Extra Space Storage - 3356 - Piscataway - New Brunswick Ave.

3950 New Brunswick Avenue, Piscataway, NJ, 08854

10' x 20'

$152.00$137^.00

Online Move-In Available

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11.6 miles away

Extra Space Storage - 6278 - Newark - Wilson Ave

305 Wilson Avenue, Newark, NJ, 07105

10' x 20'

$281^.00

Online Move-In Available

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Photo of CubeSmart Self Storage - Staten Island

10.4 miles away

4.6(19)

CubeSmart Self Storage - Staten Island

3131 Richmond Terrace, Staten Island, NY, 10303

10' x 20'

$406.00$243^.60

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11.9 miles away

4.8(12)

StorageBlue Ferry St.

425 Ferry Street, Newark, NJ, 07105

12' x 15'1 Left

$300^.00

Online Move-In Available

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14 miles away

Extra Space Storage - 4275 - Somerset - Elizabeth Ave

471 Elizabeth Avenue, Franklin Township, NJ, 08873

10' x 20'

$157^.00

Online Move-In Available

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8.6 miles away

4.6(8)

Storage Sense - Metuchen

138 Liberty Street, Metuchen, NJ, 08840

10' x 20'1 Left

$374.00$299^.00

Online Move-In Available

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Photo of CubeSmart Self Storage - NJ Kearny Breiderhoft Rd

12.5 miles away

4.9(12)

CubeSmart Self Storage - NJ Kearny Breiderhoft Rd

8 Breiderhoft Road, Kearny, NJ, 07032

10' x 20'

$378.00$283^.50

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10.1 miles away

5.0(1)

modSTORAGE - Piscataway

221 Old New Brunswick Road, Piscataway, NJ, 08854

9' x 20'1 Left

$174.99$99^.99

Online Move-In Available

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Photo of CubeSmart Self Storage NY Staten Island Ellis St

12.2 miles away

4.0(1)

CubeSmart Self Storage NY Staten Island Ellis St

1 Ellis Street, Staten Island, NY, 10307

10' x 20'

$918.00$550^.80

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11.9 miles away

Access Self Storage - Access Self Storage of Bernardsville

3 Old Quarry Road, Bernardsville, NJ, 07924

10' x 20'1 Left

$538^.00

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Photo of CubeSmart Self Storage - Roseland

10.2 miles away

5.0(2)

CubeSmart Self Storage - Roseland

465 Eagle Rock Avenue, Roseland, NJ, 07068

10' x 20'

$399.00$299^.25

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Storage prices in Mountainside, NJ

Prices vary by unit size and amenities. Compare facilities in Mountainside to find the right unit.

Cheapest Storage in Mountainside, NJ

Cheapest 5x10 storage in Mountainside, NJ
$37.00$48.03
$11.03 Below average unit pricePublic Storage - Mountainside - 1062 US Highway 22
Cheapest 10x10 storage in Mountainside, NJ
$119.00$127.54
$8.54 Below average unit pricePublic Storage - Mountainside - 1062 US Highway 22

Average prices last updated on 06-12-2026.

Average Price by Storage Unit Size in Mountainside, NJ

Find online move-in rates and specials like first month half off and first month FREE at select Mountainside, New Jersey storage facilities. Below are the average monthly storage unit prices in Mountainside, New Jersey for the most common storage unit sizes.

Unit Size	Average Price	Lowest Price
5' x 5'	Not Available	Not Available
5' x 10'	$48.03	$37.00
10' x 10'	$127.54	$119.00
10' x 15'	Not Available	Not Available
10' x 20'	Not Available	Not Available
10' x 25'	Not Available	Not Available
10' x 30'	Not Available	Not Available

The overall average price of a self-storage unit booked in Mountainside, New Jersey over the past 180 days is $83.83.

Data for the cheapest self-storage unit is updated every 15 minutes.

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Tom, the associate that took care of us was very attentive to our needs.

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Foy was super helpful and got us…

Foy was super helpful and got us exactly what we were looking for and did it quickly. Great customer service. Thank you Foy!

BW by Bobby Williams

Awesome Experience

Awesome Experience, very smooth.

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10x20 Storage in Mountainside, NJ

31 - 60 of 62 Storage Facilities in Mountainside, NJ

Public Storage - Hillside - 625 Glenwood Ave

Extra Space Storage - 6080 - Elizabeth - Division St

Extra Space Storage - 8341 - Parsippany - Littleton Rd

CubeSmart Self Storage - 619 Somerset St.

Extra Space Storage - 3780 - Piscataway - Stelton Rd

Storage Rentals of America - Belleville - 20 Mill Street

CubeSmart Self Storage - NJ Bound Brook South Main Street

The Lock Up Self Storage - Livingston

Public Storage - Perth Amboy - 112 New Brunswick Ave

Compass Self Storage - Compass Self Storage - Locust Ave (312)

CubeSmart Self Storage - NJ Woodbridge St Georges Ave

Access Self Storage - Access Self Storage of Woodbridge

Extra Space Storage - 1870 - Belleville - Franklin Ave

CubeSmart Self Storage - Elizabeth

Extra Space Storage - 4113 - East Hanover - State Route 10

Storage Rentals of America - Woodbridge - King Georges Rd

Fairfield Self Storage

Extra Space Storage - 7508 - Florham Park - Vreeland Rd

Public Storage - Bridgewater - 805 E Main Street

Extra Space Storage - 3356 - Piscataway - New Brunswick Ave.

Extra Space Storage - 6278 - Newark - Wilson Ave

CubeSmart Self Storage - Staten Island

StorageBlue Ferry St.

Extra Space Storage - 4275 - Somerset - Elizabeth Ave

Storage Sense - Metuchen

CubeSmart Self Storage - NJ Kearny Breiderhoft Rd

modSTORAGE - Piscataway

CubeSmart Self Storage NY Staten Island Ellis St

Access Self Storage - Access Self Storage of Bernardsville

CubeSmart Self Storage - Roseland

Storage prices in Mountainside, NJ

Cheapest Storage in Mountainside, NJ

Cheapest 5x10 storage in Mountainside, NJ

Cheapest 10x10 storage in Mountainside, NJ

Average Price by Storage Unit Size in Mountainside, NJ

SpareFoot customer reviews

Browse Mountainside Storage by Amenity

Browse Mountainside Storage by Unit Size