First Storage Has Different Sized Units Available in Ajax

Whether you want to store household knick knacks that have been accumulating, spare furniture, boxes of old records or photos, or seasonal gear and apparel, we have the perfect size rental storage unit for you. We cater to all your business storage needs including files, records, promotional displays, etc. Loading docks are available and tractor trailer-friendly.

Choose from among our 30 available sizes from 3x3 to 10x20. After your selection, you can rest assured that your treasures will remain safe and secure until you come to retrieve them or add to them, all at your own convenience.

Property Features

  • Climate Controlled Units
  • 24/7 Video Surveillance
  • Gated Property
  • Fully Stocked Packing Supplies Shop
  • No Security Deposits Required (One Time Setup Fee of $20)
  • 10’ High Units Give You 20% More Room
  • Content Insurance Available
  • Free Use of Dollies on Site
  • Deliveries Accepted
  • 20+ Unit Sizes to Choose From

Unit Sizes

*Unit availability subject to change based on demand. Contact us for details.

3x3 (9 sq. ft.)

Small Closet
Price: $54 + HST for 4 weeks

How Much Can I Store?
Our 3x3 unit holds 20 banker boxes or approximately 10 small boxes.
First Storage

5x5 (25 sq. ft.)

Regular Closet


Price: Starting at $84 + HST for 4 weeks – Prepay for 3 cycles and get 50% off – Limited time only/Call for details

How Much Can I Store?
The 5x5 unit is capable of holding the contents of an average-sized closet. This unit is a good choice if you want to store small furniture, clothing or around 10-15 small boxes. This unit is a great choice for storing office files.
Prepay for 3 cycles and get 50% off
First Storage

5x10 (50 sq. ft.)

Walk-in Closet


Price: $134 + HST for 4 weeks – Prepay for 3 cycles and get 50% off – Limited time only/Call for details

How Much Can I Store?
This unit can hold the contents of a large walk-in closet or a pickup truck/cargo van. The 5x10 is a good choice for storing a couch, chairs, small appliances or 15-20 boxes.
Prepay for 3 cycles and get 50% off
First Storage

8x10 (80 sq. ft.)

Large Closet
Price: Starting at $189 + HST for 4 weeks

How Much Can I Store?
The 8x10 unit is able to hold the contents of a bachelor/small 1 bedroom apartment, or a rental van. Have garage items or long items like ladders to store? This is a great option.

First Storage

10x10 (100 sq. ft.)

Half of one-car garage
Price: Starting from $239 + HST for 4 weeks

How Much Can I Store?
This unit can house the standard furnishings from a 1 bedroom apartment, or about what would fit in a 15’ moving van. This unit makes a great choice for companies with excess business inventory or files.

First Storage

10x15 (150 sq. ft.)

Two-thirds of a one-car garage
Price: Starting from $289 + HST for 4 weeks

How Much Can I Store?
Choose this unit if you need to store the contents of a small 2 bedroom apartment—approximately what could be contained in a 20’ moving van. This unit is suitable for storing patio furniture, big appliances and/or boxes.

First Storage

10x20 (200 sq. ft.)

Standard one-car garage
Price: Starting from $339 + HST for 4 weeks

How Much Can I Store?
This unit is capable of holding the contents of a 24’ moving van—it’s approximately the size of a 1 car garage. This unit is ideal for storing the contents of a 3-4 bedroom apartment.

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15x20 (300 sq. ft.)

15x20 (300 sq. ft.)
Price: Starting from $650 + HST for 4 weeks

How Much Can I Store?
These units are our Venture Business Units, and they are perfect for small business owners and tradespeople of all kinds.
Ask about our Venture Business Unit specials
Our Venture Business Units are brand new, climate-controlled units located in a gated facility and feature:
  • 300 sq. ft. of space, 10 ft. ceilings
  • Electrical outlet ready for use
  • Bright lighting
  • Secure 24/7 punchpad terminal access
  • Double doors for each unit (drive up access and regular size door)
  • Internet access coming soon
  • Office centre now available
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First Storage

Contact us to arrange your storage unit rental today!