Whether you’re planning a home renovation, managing a construction site, or starting a mobile business, choosing the right container can make all the difference. With so many sizes, types, and features available, it’s easy to feel overwhelmed.

Should you go with a shipping container or a storage container? New or used? Insulated or basic steel?

This guide will walk you through exactly how to choose the right container for your project — based on purpose, location, condition, and customization needs.

Step 1: Define the Purpose of the Container

Before anything else, determine what you’ll be using the container for. Different projects require different levels of durability, mobility, and modifications.

Common Use Cases:

  • Storage (tools, furniture, seasonal items)
  • Shipping and logistics (transporting goods)
  • Mobile offices or workstations
  • Retail pop-ups or food stands
  • Tiny homes or workshops
  • Emergency supply storage

Once you know the goal, you’ll be able to match it with the correct container type.

Step 2: Understand the Main Container Types

There are three main types of containers to choose from:

1. Shipping Containers (Conex Containers)

  • ISO-standardized for international transport
  • Made from heavy-duty Cor-Ten steel
  • Waterproof, wind-resistant, and extremely durable
  • Great for transport or permanent structural builds

2. Storage Containers

  • Often repurposed from shipping containers
  • Used for on-site storage
  • Typically not ISO-certified for transport
  • Affordable, customizable, and great for stationary use

3. Modified Containers

  • Fully customized for specific uses: offices, homes, retail
  • May include windows, insulation, electricity, HVAC
  • Higher cost but tailored for long-term value

Step 3: Choose the Right Size

Containers come in various sizes, but the most common are:

20-Foot Container

  • Approximately 160 square feet
  • Ideal for smaller projects, tighter spaces, or easy relocation
  • Can store the contents of a one-car garage

40-Foot Container

  • Approximately 320 square feet
  • Better for large-scale storage or build-outs
  • More cost-effective per square foot

Other Sizes:

  • 10-foot and 45-foot options may be available
  • Some vendors offer custom lengths

Tip: Make sure you measure your site and consider clearance for delivery (turn radius, height, and slope).

Step 4: Consider the Container Condition

New, used, or somewhere in between? Here’s a breakdown:

One-Trip (Like New):

  • Only shipped once from the manufacturer
  • Minimal wear and tear
  • Best for homes, retail, or visual appeal

Cargo-Worthy:

  • Approved for international shipping
  • Minor cosmetic wear but structurally sound
  • Good for mobile use or frequent relocation

Wind and Watertight (WWT):

  • Affordable option for storage
  • Seals out water, rodents, and pests
  • Not suitable for shipping but perfect for job sites

As-Is:

  • Lowest cost but may have dents, rust, or holes
  • Only use if aesthetics and waterproofing are not a concern

shipping containers IL

Step 5: Decide on Modifications

Will you need your container customized for specific use?

Popular Modifications:

  • Windows and doors
  • Electrical and lighting
  • HVAC and insulation
  • Roll-up or personnel access doors
  • Interior shelving or workspace divisions
  • Paint and branding

If you’re planning to convert the container into a mobile office, workshop, or pop-up retail space, modifications are a must.

Step 6: Check Local Regulations

Before purchasing or placing a container on your property, check with your local zoning office or HOA to ensure:

  • Containers are allowed on-site
  • You meet required setbacks or permits
  • Temporary use limits (some cities limit how long you can keep a container)

This step prevents headaches and unexpected fines later.

Step 7: Plan for Delivery and Access

Not all properties are container-ready. Make sure your site has:

  • Flat, level ground (gravel or concrete pads are ideal)
  • Enough space for delivery truck access (up to 100 feet)
  • No power lines or tree limbs obstructing the drop-off area

If your space is tight, a 20-foot container might be your safest bet.

Bonus Tips: Renting vs. Buying

If your project is short-term (under 12 months), consider renting a container.
If you plan to modify it or use it long-term, buying will save you more in the end.

Ask your provider:

  • Do they offer rent-to-own plans?
  • Can they modify the container before delivery?
  • Do they offer warranties on used units?

Need Help Choosing the Right Container?

At A1 Portables, we help homeowners, contractors, and business owners find the perfect container solution — whether for storage, shipping, or custom builds.

✅ Affordable 20-ft and 40-ft containers
✅ New, used, and modified options
✅ Fast delivery and expert support

Contact us today to request a free quote and get expert advice on your container project!