Portable Storage Units For Sale in Wisconsin

G60 galvanized structure for excellent strength-to-weight durability

Metal G-rib siding with 40-year paint warranty

3/4” PerforMax T&G Composite Floor made with Gorilla Glue – Water & Termite Resistant

4" x 4" treated posts and runners

Aluminum kick plate with inside rib to keep water out

Rollup doors with double lock system

Portable Storage Units in Wisconsin that maximize space and your ROI!

Are you looking to increase your ROI in the self-storage industry?

Do you want to maximize the existing space and land you have to get the most units you can on your lot?

No matter your goals for your self-storage business, our team is here to help!

We offer custom storage designs in Wisconsin and can help your team build the perfect storage layout that maximize the space you have.

Storage Unit Specs & Colors:

Specifications
Description Specification
Roof Live Load20-80 PSF (pounds per square foot)
Wind Load50 PSF unanchored, 125 PSF anchored (anchoring to be performed by others)
Floor Load150 PSF
Roof Pitch1/2":12" single slope design
Interior Structural Steel16 & 20-gauge with Panelized Technology (Time saving wall panels) creating a strong, durable, long-lasting Structure.
Floor Systems16-gauge zinc-coated 3-5/8" floor joists and track with 3/4" T&G OSB Flooring that is manufactured with Gorilla Glue – 25-year limited warranty. Made for application.
Standard Building Depth8’, 10', 12’, 15’ (Custom Size of Available)
Standard Building Width20’ & 30’ (Custom Sizes Available) 30’x10’ with 3-10’x10’ units most popular building
Standard Eave Height8'4" (up to 9’4” available in custom size)
Exterior Framed Openings16 & 20-gauge prefinished, G-60 galvanized steel
Exterior Wall Panel29-Gauge G-Rib Panel (Multiple color options) OR 26-Gauge Option. Has 40-year warranty
Interior Partition Panels29-gauge G-Rib Panel with Bright White. Has 10-year warranty
Roof Panels with Drip-Stop Technology29-Gauge G-Rib Panel (26-Gauge G-Rib Panel available upon request)
Rake and Eave Trim29-gauge
Rat-GuardKeep rodents out!
Metal Siding Colors
Door Colors

Why Choose Light Gauge Steel?

Lightweight & strong with the best weight-to-strength ratio available in construction.

Non-combustible materials allow it to be fire-resistant up to 120 minutes.

Roll-formed to your exact specs for faster and more efficient installation.

Safe from termites & rot to avoid common issues with lumber structures.

Recyclable materials make it greener and more eco-friendly.

Lasts 2-3 times longer than wood structures in most applications.

Cost-effective pricing when compared to lumber, particularly with faster installations.

Made in the USA with premium steel materials.

Why Choose Light Gauge Steel?

Lightweight & strong with the best weight-to-strength ratio available in construction.

Roll-formed to your exact specs for faster and more efficient installation.

Non-combustible materials allow it to be fire-resistant up to 120 minutes.

Safe from termites & rot to avoid common issues with lumber structures.

Recyclable materials make it greener and more eco-friendly.

Lasts 2-3 times longer than wood structures in most applications.

Cost-effective pricing when compared to lumber, particularly with faster installations.

Made in the USA with premium steel materials.

We Make Portable Storage Units in Wisconsin Easy!

1. Quote

Contact us with your building needs, and we will get you a turn-key quote.

2. Production

We roll-form the steel to your exact specifications.

3. Delivery

You receive the steel or portable building and build a better structure!

What Our Customers Say

“Advanced Steel was amazing to work with. I would highly recommend Advanced Steel for your next storage building project.”

– Lindsey W.

“The buildings are very high quality, and the interaction with Advanced Steel was always on point.”

– New Miami Storage

Why Work With Advanced Steel LLC?

Experience

We have 10+ years of experience in the roll-forming industry.

Custom Designs

Our team has the ability to help create and design custom structures.

Optimized Plans

Need help optimizing a storage layout? Our team can help!

Communication

We make sure you stay updated and informed through the entire process.

Honest Service

We admit our mistakes and provide genuine and honest customer service to every customer.

FAQs About Portable Storage Units in Wisconsin

Portable self-storage buildings offer greater flexibility, faster permitting, and the ability to relocate units as needed. They can be quickly deployed, making them an excellent option for businesses or property owners who need storage solutions without the delays associated with constructing permanent structures.

Unlike traditional self-storage units that require on-site construction, our portable mini-storage units are shipped directly from our Indiana location and set in place upon delivery. Once the delivery driver leaves, the units are 100% turnkey and ready to rent. Many of our customers have successfully rented their units the same day they were delivered.

Absolutely! We manufacture a variety of sizes and configurations to meet our customers' unique needs. Whether you need additional doors, specific dimensions, or other custom features, we can tailor your unit to maximize functionality.

Light-gauge steel is a superior choice for portable self-storage units due to its durability, strength, and resistance to corrosion. It provides long-lasting protection against the elements while being lightweight enough for easy transportation and installation. Additionally, steel construction minimizes maintenance requirements and enhances the unit’s overall lifespan.

Yes. Our units are designed with high-quality materials to ensure durability and protection against the elements. We take pride in our craftsmanship, ensuring that every unit is properly sealed to keep contents safe from moisture, wind, and temperature fluctuations.

We offer a wide range of sizes to accommodate different storage needs. Our most common sizes include:

  • 30' x 10'
  • 30' x 15'
  • 20' x 10'

We also offer custom sizes and configurations, as we regularly build units to meet specific customer requirements.

Our portable storage units require minimal maintenance. Routine upkeep primarily depends on how the unit is used by the client. Basic maintenance may include occasional cleaning, inspecting for any signs of wear, and ensuring doors and seals remain in good condition.

We ship nationwide, delivering high-quality portable storage solutions across the U.S. No matter your location, we can provide a reliable and durable storage unit to meet your needs.

Yes! Our experienced sales and design teams work closely together to ensure you get the right storage solutions for your needs. We can help you determine the best unit sizes and configurations to optimize your available space and maximize your storage capacity.

Cost will vary on size and configuration for both portable and permanent. Portables, generally speaking, will cost more per square foot than permanent. Call for more information!

Enjoy Premium Portable Storage Units in Wisconsin with steel durability!

Are you tired of wooden structures that take long to install and are susceptible to fire, rot, and bugs?

At Advanced Steel, we design, fabricate, and build light gauge steel structures that are fire and bug resistant, last 2-3 times longer than wood, and can be roll-formed to the exact specs you need for faster installations. You can enjoy a premium sustainable product that provides long-term building & storage solutions!

When it comes to portable storage, Wisconsin residents and businesses face unique challenges—seasonal extremes, sprawling rural properties, and bustling urban centers all demand flexible, durable solutions. Whether you’re renovating a historic Milwaukee home, expanding your Madison office, or storing equipment at your Door County cabin, our portable storage units protect your belongings from harsh winters, humid summers, and everything in between. With climate-resistant materials and customizable sizes, our units can be delivered directly to your site, loaded at your pace, and picked up when you’re ready—no hauling back and forth, no stress. From agricultural machinery in Marathon County to event supplies at the Wisconsin State Fairgrounds, our service adapts to your schedule and storage needs, keeping what matters safe and accessible year-round.

History of Wisconsin

Wisconsin’s story begins when the earliest ancestors of today’s Native American tribes arrived as the last continental glaciers melted, leaving behind effigy mounds still visible around Madison today. French explorer Jean Nicolet made landfall at Green Bay in 1634, ushering in an era of fur trading and missionary activity that lasted until 1763, when the British assumed control. After the American Revolutionary War, the territory cycled through governance under the Northwest, Indiana, Illinois, and Michigan Territories until Congress organized it as the Wisconsin Territory on July 3, 1836.

In the lead-mining boom of the late 1830s, thousands flocked to southwestern Wisconsin, earning miners the nickname “badgers” and cementing the state’s enduring moniker, the Badger State. On May 29, 1848, Wisconsin was admitted as the 30th U.S. state. Agriculture soon followed mining, with dairy farming becoming predominant by the late 19th century; since 1920, Wisconsin has led the nation in cheese production and consistently ranks among the top milk producers. Timber exploitation fueled northern expansion until its late-20th-century decline, after which the state embraced conservation and tourism. For more, visit the official state site and explore Wikipedia.

Top 10 Attractions in Wisconsin

  1. EAA AirVenture Oshkosh – World’s largest annual airshow and gathering of aviation enthusiasts

  2. Taliesin East – Frank Lloyd Wright’s UNESCO-listed country home in Spring Green

  3. Wisconsin State Capitol – Iconic 1917 building crowned by a 284-foot dome in Madison

  4. Harley-Davidson Museum – Milwaukee’s tribute to the legendary motorcycle brand

  5. Circus World Museum – Baraboo’s immersive history of the Ringling Brothers Circus

  6. Dells of the Wisconsin River – Stunning Cambrian sandstone gorge best viewed by boat

  7. Door County – Peninsula of lighthouses, orchards, and outdoor adventures

  8. Copper Falls State Park – Three spectacular waterfalls and 17 miles of hiking trails

  9. Cheesehead Factory – Milwaukee’s original home of the iconic foam cheese hat

  10. The House on the Rock – Eclectic architectural marvel atop Deer Shelter Rock

We serve to all Wisconsin ZIP codes and counties in WI: Adams, Ashland, Barron, Bayfield, Brown, Buffalo, Burnett, Calumet, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Door, Douglas, Dunn, Eau Claire, Florence, Fond du Lac, Forest, Grant, Green, Green Lake, Iowa, Iron, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pepin, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Rusk, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, and Wood.

We serve all cities and towns in Wisconsin, including Milwaukee, Madison, Green Bay, Kenosha, Racine, Appleton, Waukesha, Eau Claire, Oshkosh, Janesville, West Allis, La Crosse, Sheboygan, Wauwatosa, Fond du Lac, Brookfield, New Berlin, Wausau, Menomonee Falls, Greenfield, Franklin, Beloit, Oak Creek, Sun Prairie, Manitowoc, West Bend, Fitchburg, Mount Pleasant, Neenah, Superior, Stevens Point, De Pere, Caledonia, Mequon, Muskego, Watertown, Middleton, Pleasant Prairie, Germantown, South Milwaukee, Howard, Fox Crossing, Marshfield, Wisconsin Rapids, Onalaska, Menasha, Cudahy, Oconomowoc, Kaukauna, Ashwaubenon, and more.