White Stellar storage building with three roll-up doors

Stellar™ Storage Buildings

100% USA Made Storage Buildings and Offices

Precision-engineered steel storage buildings designed for durability and flexibility—featuring a 40-year finish for lasting protection and oversized roll-up doors for easy access and efficient storage. Delivery available within United States.

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Accelerated Lead Times

Relocatable buildings manufactured in as little as 6 weeks

Oversized 8′ Wide Roll-Up Doors

Easier access, better efficiency

Professional Appearance

Clean, building-style design that elevates your property

40-Year Finish

Long-lasting protection with minimal maintenance

Storage Building Models

8×20 (1 or 2 units)

Model: SB08-20

Stellar 8x20 (1 or 2 units) storage building

This 8×20 heavy-duty steel storage unit offers a smart, versatile footprint. A front-access roll-up door provides easy, direct entry—no compromises, no corners cut.

Features and specifications
  • 8×20 single or double storage bay
  • 6’x7’ roll-up steel door
  • 9’6″ ceiling height for better clearance
  • Heavy-duty galvanized steel construction
  • Raised diamond plate threshold for added durability
  • Weather-resistant and low maintenance
  • Portable and repositionable design
  • Made in the USA

10×10

Model: SB1010

Stellar 10x10 storage building

This 10×10 single-unit steel storage building is a smart, space-efficient solution for homeowners, contractors, and small businesses looking for durable, weather-resistant protection.

Features and specifications
  • 10×10 single storage bay
  • Oversized 8’x8’ roll-up steel door
  • Heavy-duty galvanized steel construction
  • Raised diamond plate threshold for added durability
  • Weather-resistant and low maintenance
  • Portable and repositionable design
  • Made in the USA

10×15

Model: SB1015

Stellar 10x15 storage building

This 10×15 single-unit steel storage building offers added depth while maintaining a compact, easy-to-place footprint—perfect for growing storage needs.

Features and specifications
  • 10×15 single storage bay
  • Extra depth for longer items
  • Oversized 8’x8’ roll-up steel door
  • Heavy-duty galvanized steel construction
  • Raised diamond plate threshold for added durability
  • Weather-resistant and low maintenance
  • Portable and repositionable design
  • Made in the USA

10×20

Model: SB1020

Stellar 10x20 storage building

This 10×20 single-unit steel storage building delivers the space, accessibility, and durability operators and property owners need and is ideal for trailers, boats, mowers, commercial equipment, bulk inventory, or household overflow.

Features and specifications
  • Industry standard 10×20 single storage bay
  • Oversized 8’x8’ roll-up steel door
  • 10’ ceiling height for better clearance
  • Heavy-duty galvanized steel construction
  • Raised diamond plate threshold for added durability
  • Weather-resistant and low maintenance
  • Portable and repositionable design
  • Made in the USA

10×30

Model: SB1030

Stellar 10x30 storage building

The 10×30 single unit steel storage building gives you an extra 10 feet of depth, perfect for longer vehicles, boats, trailers, multiple pieces of equipment, bulk inventory, or oversized household storage.

Features and specifications
  • Extra 10’ feet of depth
  • Oversized 8’x8’ roll-up steel door
  • 10’ ceiling height for better clearance
  • Heavy-duty galvanized steel frame
  • Raised diamond plate threshold for durability
  • Weather-resistant and low maintenance
  • Portable and repositionable design
  • Made in the USA

20×10 (1 or 2 units)

Model: SB2010-1

Stellar 20x10 (1 or 2 units) storage building

This 20×10 two-unit heavy duty steel storage building offers two separate lockable units in one durable, portable structure, perfect for personal use, business storage, or rental income.

Features and specifications
  • 2 individual storage bays
  • 10’ ceiling height for better clearance
  • Oversized 8’x8’ roll-up steel doors
  • Heavy-duty galvanized steel construction
  • Raised diamond plate threshold for added durability
  • Weather-resistant and low maintenance
  • Portable and repositionable design
  • Made in the USA

20×10 (4 Unit Building)

Model: SB2010-4

Stellar 20x10 (4 Unit Building) storage building

This 20×10 heavy-duty steel storage building features four smaller lockable doors in a locker-style design, creating multiple secure compartments within one durable, portable structure.

Features and specifications
  • Heavy-duty galvanized steel construction
  • Raised diamond plate threshold for added durability
  • Weather-resistant and low maintenance
  • Portable and repositionable design
  • Made in the USA

30×10 (3 Unit Building)

Model: SB3010

Stellar 30x10 (3 Unit Building) storage building

This 30×10 triple-unit steel storage building offers three separate, lockable bays making it ideal for rental operations, business use, or multi-tenant storage needs.

Features and specifications
  • 3 individual storage bays
  • 10’ ceiling height for better clearance
  • Oversized 8’x8’ roll-up steel doors
  • Heavy-duty galvanized steel construction
  • Raised diamond plate threshold for added durability
  • Weather-resistant and low maintenance
  • Portable and repositionable design
  • Made in the USA

Storage Building Features

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Diamond Plate Threshold

A raised diamond-patterned steel threshold provides slip resistance at the entry point while protecting the door seal from damage. Built for high-traffic commercial environments where durability matters.

Portable and EasilyRelocatable

Portable and Easily Relocatable

Built on a reinforced steel base and runner skid system, our buildings are engineered for stability and long-term performance. Their portable design allows for easy relocation. Buildings can be shipped fully assembled, or flat-packed 6 to a truck.

Precision Engineering Proven to Perform

Precision Engineering Proven to Perform

Engineered with 3D BIM precision, Stellar units deliver reliable performance with 60 PSF load capacity, 120+ mph wind ratings, and 60+ PSF snow-load ratings.

Certified Excellence and Manufacturing Quality

Certified Excellence and Manufacturing Quality

Built to rigorous quality standards in a controlled factory environment, Stellar storage units undergo intense inspections and testing.

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Built Stronger to Last Longer

Built to rigorous quality standards in a controlled factory environment, Stellar storage units undergo intense inspections and testing.

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Industry-Leading Durability

Built to rigorous quality standards in a controlled factory environment, Stellar storage units undergo intense inspections and testing.

Light Gauge Structural Steel Construction

Built to rigorous quality standards in a controlled factory environment, Stellar storage units undergo intense inspections and testing.

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Reliable All-Weather Protection

Designed for harsh environments, Stellar storage units are engineered and manufactured to withstand heavy rain, wind, snow, dust, and temperature extremes, while sealed, weather-resistant design keeps your belongings safe year-round.

Custom Color and Branding Options

With clean, modern designs and a range of sizes, colors, and configurations, Stellar storage units are built to complement both new and existing environments while meeting your operational needs and visual preferences.

American-Made Reliability with Short Lead Times

Built in America, our structures reduce lead times, shipping disruptions, and tariff exposure. Upfront fixed pricing eliminates hidden costs, while factory-controlled production ensures predictable timelines, reliable quality, and budget certainty. Responsive support helps keep every project on track.

Find the Right Building for Your Property

Tell us about your storage needs and request a storage building quote.

Request a Storage Building Quote