Get Simple Box | Moving and Storage Container Rentals and Shipping Container Sales

Modified Shipping Containers​

Get a customized Shipping Container that perfectly suits your needs.

  • Strong and Secure
  • Cost-effective and Convenient
  • Simple Solutions

Get a Container that is Customized Just for You.

We can help you bring your modified container office, cabin, or tiny-house vision to life, while being considerate of the constraints of time, space, and money.

We believe that you should have convenient storage and the freedom to be innovative.

We believe you should have the space you need to do your job well.

Customer Testimonials

R. Draper
R. Draper
Bow, WA
Read More
The box is beautiful. To our surprise, instead of painting over the all the labels and numbers, the Mod team actually removed them all before painting! So, all the walls and doors look perfectly smooth. The paint job looks great!
John S.
John S.
Seattle, WA
Read More
There service was very responsive and helpful. The finished product was great and the delivery driver extremely helpful, friendly and professional.
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We're looking forward to helping you get a Modified Shipping container. Fill out the form and we'll reply quickly with a no-pressure estimate.

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SERVICES

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Add these Modifications:
Choose your desired custom modifications below, and let us know in the comments if you have further details or questions.

Best Shipping Container Modifications

INTERIOR

ELECTRICAL

ELECTRICAL

Add Interior LED lights, exterior lights, quick- connect plug, duplex outlets, 100-amp panel and more.
FROM $750

FRAMING & INSULATION

FRAMING & INSULATION

2x4 framing with plywood sheeting or drywall and spray-foam or fiberglass insulation.
FROM $1950

HEAT & A/C

HEAT & A/C

Choose from solar vents or passive vents, all the way up to a full mini-split HVAC system.
FROM $2000

DOORS

ROLL-UP DOORS

ROLL-UP DOORS

6-10 foot doors may be installed on the side wall, smaller sizes also available for the end wall.
FROM $1850

PEDESTRIAN DOOR

*MOST POPULAR*

PEDESTRIAN DOOR

Insulated steel entry door available in slab or half-lite.
FROM $1550

SLIDING DOORS

SLIDING DOORS

Residential grade sliding glass door can be installed on a side wall with an overhead drip cap.
FROM $1400

EXTERIOR

CUSTOM PAINT

CUSTOM PAINT

Industrial Alkyd Enamel can be color matched (you provide Sherwin Williams color code).
FROM $650

WINDOWS

WINDOWS

Standard residential vinyl or security windows installed on side or end wall with drip cap.
FROM $550

CUSTOM FINISH

CUSTOM FINISH

Options are limitless! We've done enough projects to know what we do best and when to hand-off.
GET PRICES

How we Modify Containers

Our team completes several custom container modifications each week. Here’s how we do it:

1. Choose your Container & Options

2. Approve Diagram & Place Deposit

3. Receive your Customized box

We love customizing Boxes and we love seeing our customer’s creativity come alive. So get started with a price request today!  We will follow up with an estimate and an opportunity to collaborate on a modification diagram.

A Container Company You Can Trust

WE HAVE PROVIDED CONTAINERS FOR

A Team You Can Count On

With a name like “Simple Box” we don’t want our own focus on simplicity to limit your creativity. We have also completed modification work for:

  • Shipping Container Office
  • Fire Training facilities
  • Break rooms / Lunch rooms
  • Incinerators for Military installations
  • Locker rooms
  • Hunting cabins
  • A Tiny House
  • A Generator Storage “quiet-room”
  • A Poultry Processing plant
  • And so much more!
a Simple Box employee paints a modified shipping container

Choose Your Container Options

With a name like “Simple Box,” we focus on doing a few things really, really well. 

Looking for Container House Prices or Shipping Container Home Plans? 

We try to incorporate the motto “Keep It Simple” into all that we do. That philosophy carries over to our container modification department as well.

Our highly-experienced mod team has a good feel for the work we do best (windows, doors, and insulation). And we partner with others who can do the more detailed finish work of a Tiny Home or House made out of a Shipping Container. 

Although there are a world of possibilities for what you could convert your container into, we focus on doing a few types of modifications very well:

Our team completes several custom container modifications each week. Here’s how we do it:

1. Choose your Container & Options

2. Approve Diagram & Place Deposit

3. Receive your Customized box

We love customizing Boxes and we love seeing our customer’s creativity come alive. So get started with a price request today!  We will follow up with an estimate and an opportunity to collaborate on a modification diagram.

Choose Your Container Size

From a Shipping Container House to a Mobile Office to a pop-up container shop or restaurant, container modifications are a trendy and useful item right now. We can modify these container sizes:

Looking for Pricing for a Container House or Modified Container Office? Get Simple Box Can Help.

a Simple Box employee paints a modified shipping container

Shipping Container Office Conex

Of course we’re happy to tag-team with you on bringing your container dreams to life, but by far the most popular custom conversion we do is converting a standard 20 foot shipping container into a simple, yet functional site office. We can also turn a 10 foot shipping container into a smaller office perfect for working from home, or a 40 foot shipping container for a shared container office. Our 20 foot Basic Office Conex includes the following:

THE JOB BOX

Modified Job Box with Doors and Windows

Of course we’re happy to tag-team with you on bringing your container dreams to life, but by far the most popular custom conversion we do is converting a standard 20 foot shipping container into a simple, yet functional site office. Our Job Box includes the following:

Shipping Container Home Starter Kit

A modified Simple Box container could make a great space to live in – especially in rural areas.

The Tiny House movement and Shipping Container architecture are here to stay. 

Although we aren’t home builders, we can help you get a strong start:

  1. Choose your container.
  2. We’ll do the basic modifications of adding windows, doors, spray-foam insulation and framing for 40, 20 and 10 foot shipping containers.
  3. We can deliver your Box to a finish-carpenter to complete the container house or vacation cottage of your dreams!

Secure Investment

Get the space you need, with options to Move or Sell it in the future.

Organized Space

Improve your efficiency. Set up the Box just the way you like it.

Save Money

An effective solution for space or building limitations.

Ready to Get Prices for a Modified Shipping Container?

Take a look at some of our favorite container modifications. Reach out to us when you’re ready to talk about or schedule your custom mod, or if you have another idea to bring to us. We’re ready to make your mod happen!

CONTAINER CABIN

Tiny House Kitchen

A modified Simple Box container could make a great space to live in – especially in rural areas.

The Tiny House movement and Shipping Container architecture are here to stay. 

Although we aren’t home builders, we can help you get a strong start:

  1. Choose your container
  2. We’ll do the basic modifications of adding windows, doors, spray-foam insulation and framing.
  3. We can deliver your Box to a finish-carpenter complete the container house or vacation cottage of your dreams!

CONTACT US FOR YOUR NEXT CONTAINER MODIFICATION

OFFICE HOURS | Mon - Fri: 8:00am - 4:00pm | Saturday: By appointment | Sunday: Closed

PRICING & SERVICE AREA DISCLAIMER:

Our goal is to offer a good container at a fair price, with expert local delivery and excellent customer service throughout. We aim to have transparent process so that you can feel confident in the condition of the shipping container and the price quoted for delivery. Because shipping containers are heavily influenced by the price of steel, wood, fuel, and labor, all prices, including delivery rates, are subject to change without notice.

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