Extra Space Storage - 8785 - Milwaukee - Mount Vernon Ave

999 West Mount Vernon Avenue , Milwaukee , WI 53233 (877) 449-1281

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We are experiencing high demand in this area.
Make sure you reserve a unit for free today to hold a storage space.

  • 5' x 5'

    5' x 5' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $59.00

    Regular Price

    $62.00
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  • 5' x 7'

    5' x 7' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $38.00

    Regular Price

    $40.00
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  • 5' x 8'

    5' x 8' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $43.00

    Regular Price

    $45.00
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  • 5' x 9'

    5' x 9' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $46.00

    Regular Price

    $49.00
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  • 5' x 10'

    5' x 10' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $90.00

    Regular Price

    $94.00
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  • 6' x 10'

    6' x 10' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $63.00

    Regular Price

    $66.00
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  • 6' x 10'

    6' x 10' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $101.00

    Regular Price

    $106.00
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  • 10' x 7'

    10' x 7' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $73.00

    Regular Price

    $77.00
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  • 5' x 15'

    5' x 15' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $78.00

    Regular Price

    $82.00
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  • 5' x 20'

    5' x 20' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $94.00

    Regular Price

    $99.00
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  • 10' x 10'

    10' x 10' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $126.00

    Regular Price

    $133.00
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  • 10' x 14'

    10' x 14' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $131.00

    Regular Price

    $138.00
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  • 10' x 15'

    10' x 15' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $136.00

    Regular Price

    $143.00
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  • 10' x 17'

    10' x 17' Unit

    Drive Up Access, Heated

    Discount Price

    $355.00

    Regular Price

    $367.00
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  • 10' x 20'

    10' x 20' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $171.00

    Regular Price

    $180.00
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  • 10' x 20'

    10' x 20' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $174.00

    Regular Price

    $183.00
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  • 10' x 24'

    10' x 24' Unit

    Climate Controlled, Interior, Upstairs (Access via Elevator)

    Discount Price

    $206.00

    Regular Price

    $216.00
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  • 10' x 26'

    10' x 26' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $217.00

    Regular Price

    $228.00
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  • 20' x 24'

    20' x 24' Unit

    Drive Up Access, Heated

    Discount Price

    $971.00
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  • 32' x 19'

    32' x 19' Unit

    Heated, Interior, Upstairs (Access via Elevator)

    Discount Price

    $360.00

    Regular Price

    $372.00
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How it works

Reserve 1

Reserve your
storage unit for free

Facility 2

Visit the facility to finalize the rental

Move 3

Move-in!

Operating Hours

Office

Sun closed
Mon 9:30 am - 6:00 pm
Tue 9:30 am - 6:00 pm
Wed 9:30 am - 6:00 pm
Thu 9:30 am - 6:00 pm
Fri 9:30 am - 6:00 pm
Sat 9:00 am - 5:30 pm

Unit Access

Sun 6:00 am - 10:00 pm
Mon 6:00 am - 10:00 pm
Tue 6:00 am - 10:00 pm
Wed 6:00 am - 10:00 pm
Thu 6:00 am - 10:00 pm
Fri 6:00 am - 10:00 pm
Sat 6:00 am - 10:00 pm

Features and Amenities

  • Video cameras on site
  • Vehicle requires insurance
  • Electronic gate access
  • Vehicle requires title
  • Moving supplies for sale
  • Manager lives on-site
  • Rent due on same day each month per lease start
  • Auto-pay available
  • Vehicle must be running
  • Vehicle requires registration
  • Insurance required
  • Insurance available
  • Cash accepted
  • Checks accepted

Additional information

Customer Reviews

Leave a review

  • 5.0 of 5 stars

    Pamela<br />Allen-Newton

    March 12th, 2026

    Rented for Dads belongings

    I have nothing bad to say I think it's a very convenient place for storage and well kept with heated space and budget friendly.

  • 5.0 of 5 stars

    Pamela<br />Allen-Newton

    March 9th, 2026

    Staff fast and efficient

    Calls office on St. Paul staff was kind and informative and helpful and help me pick the right storage to use.

  • 4.0 of 5 stars

    Christian<br />Louise Lawrence

    December 12th, 2025

    It's pretty good I have NO complaints

    Thanking them for everything! They really helped me so much.

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