Prices are subject to change based on area of installation and manufacturer

One Car Garage

  • 18x21 Boxed-Eave Roof 1 Car Garage
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Lower prices may be available*


*prices may change depending on location and manufacturer


18 ft


21 ft


9 ft

Roof Style

Boxed Eave

Roof Color


Roof Trim


Roof Trim Color




Color Options


Our One Car Garage with Boxed Eave Roof will make a very stylish addition to your property while also providing protection for your vehicles and other belongings. With these prefab metal garages, you will never again have to worry about your valuables being damaged by the elements, vandalized, or worse, stolen.

Plus, like all our metal garages, including this boxed eave roof one car garage, come at a reasonable price. What adds that stylistic appeal to this metal garage is the A-framed sloping roof structure. This roof style also perfectly complements the architecture of any traditional American house.

Uses of 18x21 One Car Garage with Boxed Eave Roof

This particular metal garage for sale on Carport1 has a dimension of 18'W x 21'L x 9'H. Prefab metal garages that are this substantial offer incredible flexibility in terms of use. Even when you use this garage to shelter a car or truck only, it leaves much space for extra storage.

This metal garage is also perfect for storing a small outdoor boat or trailer. If you are planning on using our metal garage buildings for storage, installing metal garage storage cabinets and shelves can significantly help to get your stuff organized.

However, the beauty of this metal garage is that you can use it for so many other purposes; everything from use as a workshop to an animal shelter, it works perfectly fine.

Features and Upgrades for 18x21 Single Car Metal Garage

With the aesthetics of this one car metal garage also comes structural strength. The 14-gauge tubular framing is robust enough to resist mild to moderate weather conditions with occasional rain and snowfalls.

Furthermore, if you live in areas which face extreme weather, you can choose to add structural strength to this garage. You can do so by upgrading the garage with 12-gauge framing or enclosing it with vertically oriented roof and wall panels.

The 9' x 8' garage door at the front end of the building allows easier access to vehicles while the walk-in door is ideal for normal operations. With the single-pane window at the same end, you can be sure that your garage has proper ventilation and lighting.


Front End Back End Right Side Left Side

  • Fully enclosed in Horizontal orientation
  • Panel Color: Tan
  • L-Trim on Corners
  • Corner’s L-Trim Color: Black
  • One 9'x 8' Garage Door
  • L - trim on Garage Door
  • Garage Door's L-Trim Color: Black
  • One 30" x 30" Window
  • J - trim on window
  • Window's J - trim Color: Black
  • One 36" x 80" Walk-In-Door
  • J - trim on Walk-In-Door
  • Walk-In-Door's J - trim Color: Black
  • Fully Enclosed in Horizontal orientation
  • Panel Color: Tan
  • L-Trim on Corners
  • Corner’s L-Trim Color: Black
  • Fully Enclosed in Vertical orientation
  • Panel Color: Tan
  • Fully Enclosed in Vertical orientation
  • Panel Color: Tan

Option/Upgrade Available For all ENDs and SIDEs.

  • Vertical siding
  • Certified/non-certified gables
  • Fully enclosed in vertical/horizontal siding
  • Walk-in doors
  • Garage doors
  • Frameouts
  • Windows
  • Certification (for main section/lean-to's)
  • Colors (free)
  • Wainscot (available in vertical/horizontal orientation)
  • 12 gauge steel
  • Colored screws
  • Insulation
  • 45-degree angles on frameouts

Limited Warranty and Service

This building (14 Gauge) has 30-day material and workmanship warranty with 20-year limited rust through warranty on the Tubular Frame. Also, Optional 12 Gauge has 20-year rust though warranty on the frame. Warranties can vary based on manufacturer.
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Free Delivery and Installation

Free Delivery and Installation on this building. Please go through the documentation to learn more about our free delivery and installation. Lead time may vary depending upon your installation location.
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