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18x21 Metal Building For Sale

18x30 Vertical Roof Style Metal Building
Starting at $6,895
18x35x10 Metal Garage with Carport
Starting at $8,365
20x25x9 Fully Enclosed Vertical Garage
Starting at $8,085
20x25x8 Enclosed Metal Garage
Starting at $5,880 plus tax
18x30x12 Vertical RV with Enclosed Lean-to
Starting at $8,235
18x40x14 RV Metal Garage
Starting at $10,980
20x26x9 Custom Storage Building
Starting at $7,270
Starting at $7,150
Starting at $6,495
18x36x10 Custom Utility Garage
Starting at $8,540

Our 18×21 steel building is an affordable way of fulfilling your residential parking and storage needs. The 18×21 garage comprises ample space to house your car and equipment

You can also customize the dimensions to accommodate your extra storage or personal needs. Viking Steel Structures offers complete metal building customizations allowing to transform your car shed with doors, windows, roof-style, lean-tos and more.

Benefits of 18 x 21 Steel Building

Durability: The steel is used in metal sheds, which can shield your assets against severe weather conditions. Steel is anti-corrosive, hence unaffected by harmful environmental elements. So, metal storage sheds don’t rust and withstand the adverse weather for decades.

Affordability: The materials used to create a steel building are more economical than concrete, lumber, brick, etc. The property taxes are also much lower because the value of the steel storage building is likely to be seen as less valuable than many other types of constructed buildings. The insurance rates are also lower due to the minimum tendencies of fire accidents and other damages.

Easy Upkeep: There are no worries of roof shingles that need to be replaced, peeling paint, rotting, or hard-to-clean surfaces on a steel car parking. You can easily clean and maintain your outdoor shed with a simple hose-down.

Inexpensive Repairs: If your building got damaged, then don’t worry, the metal building repairs are less expensive and convenient. The pre-engineered metal buildings come in the parts, and you can readily weld or replace the damaged part without disturbing the whole structure.

Energy Efficiency: Steel sheds can be insulated with spray insulation that is energy efficient. The insulation can also seal up leaks and spaces, restricting the heat exchange and keeping the requirements of temperature regulation minimal.

Along with the above benefits, viking gives metal carports with 20 year rust through warranty, 10 year panel warranty, and 1 year workmanship warranty.

There are many more advantages of steel buildings like robustness, time efficiency, easy extension, pests-free, etc. and your 18’x21’ steel shed includes them all. Hence these can be the reason also why you should buy a 18×21 metal building.

Uses of 18 x 21 Metal Building

There are innumerable ways you can utilize your 18 x 21 storage shed. An X wide metal building can serve many residential needs and recreational activities.

18×21 Residential Building Uses

  • Your 18 x 21 steel shed can be a one-car garage with some storage space. Apart from car parking, you can use your shed for your vehicle maintenance. Hence, you can service your vehicle regardless of the weather.
  • The 18×21 carport is a standard building type and best for domestic uses. Your shed can be a storeroom for holding your gardening tools, lawnmowers, bicycles, etc. You can also organize your house by relocating the unwanted stuff to your outdoor steel building.

18×21 Recreational Building Uses

  • The 18×21 metal gazebo is ideal for recreational activities. You can make it your hobby hut, art studio, gaming arena, private library, writer’s retreat, party hub, sew shed, and many more.
  • You can use your metal building as your private space to have an escape from the outside world and enjoy your own company. You can learn new skills, pursue your interests without having a thought about the surroundings.

Applications of 18’ x 21’ Steel Building

18’ x 21’ portable garage have many applications that are listed below. You can enjoy any of these or multiple applications by customizing your metal building accordingly.

  • Car shed
  • Storage building
  • She-shed
  • Man cave
  • Motorcycle room
  • Outdoor shed
  • Lawnmower shed
  • Survival shelter
  • Workshop
  • Loafing shed
  • Metal Gazebo

18×21 Metal Building Features

The standard building’s width & length vary from 12’to 24’, and 21’ to 41’ respectively. The following are the specifications of 18 by 21 loafing shed.

  • 6’ to 16’ height options
  • Braces on every leg
  • Mobile home Anchors (Ground)
  • Cement Anchors
  • Up to 15 color options
  • 29 Gauge Roofing
  • Garage doors (6×6 to 14×14) for uncertified buildings
  • Garage Doors (6×6 to 16×16) for certified buildings
  • 3’ wide side panels with 21’, 26’, 31’, and 36’ length options
  • 12 gauge and 14 gauge panel options
  • Two windows options 30”x30” and 30”x36”
  • Two insulation options Dubble bubble and Woven R-17
  • End openings without garage door
  • Side openings without garage door
  • Side openings with garage door

Customization of Your 18 x 21 Storage Shed

Viking Steel Structures is well known to provide the best custom metal buildings. The metal can be configured with the various roof styles to meet the requirements concerning location and weather conditions.

Generally, there are three roof styles-

18×21 Regular Metal Building

This kind of building has a horizontal roof sheeting with open sides. You can get the side panels under custom changes. The regular roof style carports are perfect for mild weather regions.

18×21 Boxed Eave Roof Metal Building

This kind of structure has a horizontal pitched roof. The A-frame metal buildings are suggested for a moderate climate area and can withstand heavy winds and the occasional snowfall.

18×21 Vertical Metal Buildings

This is the strongest building type due to vertical roofing. A vertical steel building has pitched vertical ridges, from which snow slides off easily. Hence, this is the highly recommended building options for dense snowfall areas. This steel building can be further customized with vertical panels, named as All Vertical Metal Buildings. All vertical steel buildings are designed to defend the frequent blizzards, thunderstorms, hailstorms, etc.

These are the three roof styles you can choose, which best meet your requirements. Side panels are optional and mostly employed in the harsh weather areas.

There is a vast array of sheds for sale you can select from to house your needs. If you don’t find suitable any building, then you can design your metal building by own with our 3D Estimator Tool.

18×21 Metal Building Prices

The 18×21 metal building price starts from 1495.Some factors affect metal carport prices like location, building size, customizations, manufacturer, steel prices, etc. So, you might face some cost variation. Below are the tables of metal building prices for side height, both sides closed, and each end closed building configurations. These prices are for all states except Florida.

Regular Style Boxed Eave Style Vertical Roof Style
12X21 $1095 12X21 $1195 12X21 $1,395
12X26 $1295 12X26 $1,495 12X26 $1,745
12X31 $1,495 12X31 $1,795 12X31 $2,095
12X36 $1,695 12X36 $2,095 12X36 $2,445
12X41 N/A 12X41 N/A 12X41 $2,795
18X21 $1195 18X21 $1,295 18X21 $1,495
18X26 $1,395 18X26 $1,620 18X26 $1,870
18X31 $1,595 18X31 $1,945 18X31 $2,245
18X36 $1,795 18X36 $2,270 18X36 $2,620
18X41 N/A 18X41 N/A 18X41 $2,995
20X21 $1,395 20X21 $1,495 20X21 $1,695
20X26 $1,695 20X26 $1,870 20X26 $2,120
20X31 $1,995 20X31 $2,245 20X31 $2,545
20X36 $2,295 20X36 2,620 20X36 $2,970
20X41 N/A 20X41 N/A 20X41 $3,395
22X21 $1,595 22X21 $1,695 22X21 $1,995
22X26 $1,925 22X26 $2,120 22X26 $2,495
22X31 $2,255 22X31 $2,545 22X31 $2,995
22X36 $2,595 22X36 $2,970 22X36 $3,495
22X41 N/A 22X41 N/A 22X41 $3,995
24X21 $1,695 24X21 $1,895 24X21 $2,095
24X26 $2,095 24X26 $2,370 24X26 $2,620
24X31 $2,495 24X31 $2,845 24X31 $3,145
24X36 $2,795 24X36 $3,320 24X36 $3,670
24X41 N/A 24X41 N/A 24X41 $4,195


We offer Rent-To-Own with all buildings, so order your building with Zero Credit Checks and Instant Approval. Getting your Dream Metal Building is now easy with Viking Steel Structures

  • No Credit check required

    No need to go through credit score check

  • Instant approvals

    Get quick approvals from bank

  • Monthly Contract Available

    You can choose to pay from 36 months to 48 months

  • Build Equity

    Every payment moves you closer to owning your shed

  • Flexible Payment Options

    Easy month-to-month installments for your convenience

  • Ownership in 36 months or less

    Payoff anytime and own your building

  • More than Just storage

    Use your building as a workshop, hobby house, garden shed, etc

  • Free Delivery

    No extra charges, pay for the building and get it delivered to your doorstep for free

  • Free Installation

    Professional and trained installers assemble your building without any charges.

Why Buy 18 x 21 Metal Building Kits

If you are a DIY guy, then you can get the best steel building kits from the Viking Steel Structures.Viking has a wide variety of garage kits for sale to meet your expectations. You can talk to our building experts to get help choosing the right garage kit. The metal carport kit comprises pre-sized parts that are punched for ease of installation.

1 car garage kits are affordable and take around 6 to 8 weeks to deliver. One car garage kits have primary and secondary framing with necessary bracing. Although DIY kits are easy to install, still you must consider the installation instructions or stamped engineering plans. Always take precautions while unpacking the garage kits and erecting them.
For any query regarding your steel garage kit and garage kit prices. Call us at 877-801-3263.

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Commercial buildings now available in Vertical panels and Lap Siding panels.

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Commercial buildings now available in Vertical panels and Lap Siding panels.

Building information

personal information

Yes, it is okay for Team Viking to call me.

Building information

personal information

Yes, it is okay for Team Viking to call me.
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