3x3 compact storage box

3.5′ x 7.5′ Storage Unit

The most compact My Yard Vault storage solution, engineered for durability, versatility, and reliable long-term performance. Ideal for tighter spaces while still delivering the security, protection, and strength needed for everyday use.
Out of stock
We are not stocking the 3.5 ft vault right now, so there is no price on this size yet. The 5 ft is our smallest vault currently in stock, at $2,195.

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At about 26 sq ft, the 3.5 ft vault would fall well under the 120 sq ft building permit exemption used in Albuquerque and many New Mexico jurisdictions. Setback, placement, and HOA rules still apply.

Dimensions

3.5' x 7.5'

Metric

1m x 2.29m

Height

7' 6"

Construction

Flat-Pack

Key Benefits
  • Compact footprint ideal for smaller spaces and tight access areas
  • Powder-coated interior and exterior for added corrosion resistance
  • Durable galvanized steel construction with secure locking system
  • Weather-resistant design built for long-term outdoor use
  • Ships flat-packed for easier transport and on-site setup

The Perfect Compact Storage Solution

Built for durability, flexibility, and dependable long-term use, My Yard Vault storage units deliver secure, weather-resistant protection in a modular design that adapts to a wide range of spaces and applications.

The 3.5′ x 7.5′ unit is our most compact option, making it ideal for tighter areas where reliable storage is still a priority. Perfect for residential setups, small job sites, equipment storage, and locations with limited access.

Finished with a premium powder-coated coating inside and out, the unit is designed to resist rust, corrosion, and everyday wear, helping maintain performance and appearance in demanding outdoor conditions.

What's Included

compact storage unit delivered to property

Technical Specifications

Dimensions & Details

External Length3′ 6″ (1.07m)
External Width7′ 6″ (2.29m)
External Height7′ 6″ (2.29m)
Internal Lengthapprox. 3′ 0″ (0.91m)
Internal Widthapprox. 7′ 0″ (2.13m)
Internal Heightapprox. 7′ 1″ (2.16m)
Door TypeSingle swing door, end panel
Cubic Capacityapprox. 149 cu ft (4.2 m³)
Flat-Packed Weight≈350 lbs (159 kg)
Assembly30–60 minutes, two people, level ground
HandlingForklift pockets; roof lifting lugs for crane placement
Wall Material20-gauge corrugated galvanized/galvalume steel
Roof Material16-gauge steel
FinishPowder coated inside and out
Lock SystemStainless steel, weatherproof
Color OptionsLight gray, dark gray, cream
Warranty2-year manufacturer warranty

 

Dimensions & Details

Galvanized/galvalume steel panels

Corrugated for strength

Panels powder-coated (inside/out)

Completely weatherproof

Taller and wider design

Forklift pockets

Full hardware kit

Manual + video instructions

Three colors in stock: light gray, dark gray, cream

Door in the end panel

Powder coated inside and out

20-gauge steel walls, 16-gauge roof

Stainless steel weatherproof lock

Forklift pockets and roof lifting lugs

Assembles in 30 to 60 minutes with two people

Ready to Get Started

Find the Right Storage Solution for Your Space

Tell us what you need, and we’ll recommend the best configuration for your home or business.