20x45 · Garage

20x45 metal garage

A 20x45 metal garage, covering 900 square feet, starts at $13,271. Pricing includes delivery and professional installation, with engineer certification to local codes.

20x45 metal garage — Gold Tier Structures
20x45 metal garage — delivered and professionally installed by Gold Tier Structures.

Starting price

$13,271

Delivery & professional installation included.

VerifiedBBB Accredited
CertifiedEngineered to Local Codes
Warranty20-Year Rust-Through
IncludedProfessional Install

Specifications

Get exact price →

Explore the benefits of a 20x45 metal garage, offering a spacious 900 square feet of covered area to protect your vehicles, tools, and equipment. This size accommodates multiple vehicles or can be customized for workshop needs, all within a durable steel structure engineer-certified to meet local snow and wind codes. Because this garage exceeds 120 square feet in footprint, a permit is typically required in most jurisdictions. Choose from quality framing and roofing options to ensure your metal garage fits your requirements precisely.

20x45 Garage — Specifications & Options
Specification Detail
Dimensions 20' W × 45' L — 900 sq ft clear span
Leg height 8'–20' available
Roof style Regular, A-frame horizontal, A-frame vertical
Framing gauge 12-ga (heavy duty) or 14-ga (standard)
Panel gauge 26-ga roof and walls
Doors & windows Configurable (examples: 10'×10' rollup doors, 36"×80" walk-in door, 30"×30" single-pane windows)
Certification Engineer-certified to local snow & wind codes
Starting price From $13,271 — delivered & installed

Your price depends on your county. Get it in two minutes.

How long will it take to get my metal steel building delivered?
Lead times vary by region and current installation schedule in your area. Your sales rep can give you the most accurate estimate for your location.
What kind of warranty is offered?
Upgrade to 12-gauge framing for a 20-year rust-through warranty. Every building includes a 1-year workmanship warranty. Add the optional 100 MPH lifetime wind warranty for ultimate peace of mind. 10-year and 20-year paint warranties are also available to protect against fading, chalking, and peeling. Full details are provided in your contract.
How long does it take to install a metal steel building?
Installation time depends on the building’s size, design complexity, and crew availability in your area. Smaller garages typically go up in a few days to a week, while larger or more custom units can take several weeks. Once your order is placed, the scheduling team will contact you with a precise timeframe for your specific building.
Does the price include delivery and installation?
All prices include both delivery and professional installation unless clearly noted otherwise on your order.
Do I need a permit for my metal building?
Most areas require a permit for any structure larger than 120 sq ft, but requirements vary by location. Always verify exact rules with your local building department or HOA. Plans and calculations are provided when needed.
How long is my quote valid for?
Quotes are valid for one week, though prices can change with steel markets. Contact your sales rep for the latest pricing anytime.
How do these buildings handle heavy snow?
Every building is engineer-certified to local snow and wind loads, and framing is reinforced in snow regions.
What framing and panel gauge options are available for the 20x45 metal garage?
This metal garage can be built with either 12-ga heavy-duty or 14-ga standard framing. The roof and wall panels are made from 26-ga steel, providing a durable and strong structure.
What are the typical uses for a 20x45 metal garage?
A 20x45 metal garage offers versatile space, suitable for storing multiple vehicles, creating a workshop, or housing recreational equipment. Its clear span design maximizes usable interior space without obstructive supports.