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12x21 Metal Carport | Custom & Durable Steel Carport for Sale
SKU: GB1644Up to 43% Off

12x21 Metal Carport

Starting at$1,730*Final prices vary by location and customization options.
Free delivery & installDesign in 3D →

*Accessories shown are not included in the base price.

Width
12'
Length
20'
Height
6'
Roof
Regular
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  • 20-year rust-through warranty
  • Financing & RTO Available
  • BBB A+ Accredited
  • Since 1997 · 100K+ buildings

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Delivery, certifications & load requirements

Overview

About the 12x21 Metal Carport

This **12x21 metal carport** offers **252 sq. ft. of versatile steel coverage**, ideal for a car, motorcycle, lawn mower, garden tools, or general storage. With a compact 12-foot width and a generous 21-foot length, this carport comfortably accommodates most standard vehicles or a combination of smaller equipment and supplies. It's the perfect solution for placement beside a driveway, behind your home, near a workshop, or on a farm lot, providing essential shade and rain protection. The carport features a sleek White finish with a **regular roof**, a **6-foot height**, a robust **14-gauge galvanized steel frame**, and durable **29-gauge steel panels**. For those requiring a sturdier option, a 12-gauge frame upgrade is available. You have the flexibility to keep it open for straightforward vehicle coverage, add side panels for enhanced weather protection, or fully enclose it later to create a compact garage. Customize options such as colors, anchors, roof style, height, panels, and certified wind or snow ratings to align with your property and local regulations. Enjoy hassle-free delivery and professional installation included with your purchase. For your personalized quote on the 12x21 metal carport, **[call Garage Buildings today](tel:1-8669736181)**.

  • Vertical roof built to local code3/12 pitch sheds rain and snow fast.
  • 14-gauge frameGalvanized steel; 12-gauge upgrade available.
  • Braces and anchorsOn every leg for added stability.

Product details

Specifications, Colors & Buying Guide

12x21 Metal Carport specifications
Width12'
Height6'
Capacity2 standard vehicles
Roof Pitch3/12
StructureClear span
Panels29-gauge
Gable endsFully enclosed
Garage doors2 × 8'×8'
Windows4 standard
Panel warranty10 years
InstallationFREE Installation on Your Pad
BrandGarage Buildings
MaterialGalvanized steel
Delivery FREE Delivery to Your Building Site
Roof ColorWhite
Panel gauge29-gauge steel panels
Intended useVehicle cover, mower storage, motorcycle shelter, tool coverage, backyard storage, farm supply cover
CertificationBuilt to local code where required
Top use cases1 car carport, driveway cover, mower storage, motorcycle shelter, garden tool storage, farm utility cover, backyard shade, outdoor supply storage, compact equipment cover
Vehicle capacity1 standard-sized vehicle
Main build details12x20 open steel carport, 240 sq. ft. of coverage, regular roof, 6-foot height, 14-gauge galvanized frame, 29-gauge panels, White finish
Installation surfaceConcrete
Workmanship guarantee:30 days
Length21'
Floor area240 sq ft
Roof StyleVertical
Roof Length22'
Frame14-gauge galvanized (12-ga upgrade)
WallsHorizontal, fully enclosed
AnchoringBraces & anchors on every leg
Walk-in door1 × 36"×80"
Rust-through warranty20 years
Workmanship30 days
Service AreaNationwide
Best for1 car, mower, motorcycle, garden tools, small equipment and backyard storage
Warranty20-year rust-through warranty
DurabilityBraces & Anchors on Every Leg For Longer stability
Frame gauge14-gauge galvanized steel
Design notesCompact footprint, open access, clean look, easy fit for driveways, backyards, small farms and utility areas
Building typeOpen metal carport
Frame upgrade12-gauge available
Included partsSteel frame, roof panels, trim, anchors, hardware, delivery and installation
Paneling warranty10 years
Weather resistanceBuilt to help protect vehicles, tools and supplies from sun, rain, light debris and daily outdoor exposure
Customization optionsSide panels, gable ends, color changes, height changes, length changes, roof upgrades, frame gauge upgrade, anchors, panel layout, and certified wind or snow options

Can't Find the Right Fit? Design Your 12x21 Metal Carport in 3D

Customize roof styles, colors, dimensions, doors, windows, insulation, lean-tos and certifications with our free 3D Building Designer before requesting a quote.

Design in 3D

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Affordable Payment Options

Two simple ways to pay for your 12x21 Metal Carport – with or without a credit check.

Traditional Financing

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Low monthly payments with competitive rates. Apply online and get a decision fast.

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Real Reviews From Garage Buildings Customers

FAQ

Frequently Asked Questions about 12x21 Metal Carport

What sizes are available for commercial metal buildings?
Our commercial metal buildings range from 30x40 for small businesses up to 100x200+ for large warehouses and industrial facilities. Clear-span designs eliminate interior columns, giving you maximum usable floor space for your operation.
What is the most popular metal garage size?
The most popular sizes are 24x30 and 30x40 for residential use. A 24x30 comfortably fits two vehicles with workspace, while a 30x40 provides room for a full workshop. We offer sizes from 12x20 all the way up to 60x100+.
What size building do I need for my RV?
Measure your RV and add at least 2-3 feet on each side and 2 feet of height clearance. Most Class A motorhomes need a building at least 14 feet wide, 40-45 feet long, and 14 feet tall. Class C RVs typically fit in an 18x30x12 structure.
What size metal carport do I need for two cars?
A standard two-car carport is typically 20x20 or 24x20 feet. If you want extra room for opening doors comfortably or storing additional items, consider going up to 24x24 or 24x30. Our team can help you determine the perfect size based on your vehicles.
What is the maximum size for a metal warehouse?
We build metal warehouses up to 100 feet wide and virtually unlimited length. Clear-span designs up to 60 feet wide eliminate interior columns for maximum storage flexibility. For wider buildings, interior columns can be added.
How much do metal buildings cost?
Metal building pricing depends on size, roof style, gauge of steel, customizations, and your location. Every quote is personalized to your exact needs and includes free delivery and professional installation — no hidden fees. Call us at (888) 234-0475 or request a free quote online to get your price.
What can I customize on a metal building?
Nearly everything. You can customize the size, roof style, wall height, colors, door types and placement, window locations, insulation, lean-tos, wainscoting, and more. Our design team works with you to create a building that fits your exact needs.
What size metal barn do I need for horses?
For horse stalls, plan for 12x12 feet per stall plus aisle space. A 30x40 barn comfortably houses 3-4 horses with a center aisle. For larger operations, 40x60 or 60x80 barns provide room for more stalls, tack rooms, and feed storage.

Essential Resources

Before You Buy

Everything you need to make a confident decision on your metal building purchase.

Talk to a Building Specialist

Not sure about sizing, roof style, or options? Our team has 29+ years of experience and will help you find exactly what you need.

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