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General Steel prefab steel buildings are the perfect solution for those looking to build a cost-effective, durable, and fully customized three-car garage.

Whether you’ll be storing cars, trucks, ATVs, or something completely different, an engineered steel building from General Steel will give you the flexibility to design and build a three-car garage that will last for decades.

The Power of Clear-Span Framing

C-channel or I-beam construction of your new steel three-car garage results in a building that is as tough as nails while also providing ample interior space to park vehicles, store equipment, and even add an office or administrative area.

Pre-kitted steel buildings from General Steel allow for up to 200 feet of uninterrupted interior space, giving you more design options and floor plan choices to bring your three-car garage dream to life.

For more than 30 years, General Steel has been designing, kitting, and supplying the highest-quality steel buildings in the industry. And, today, we’re proud to offer an unmatched 50-year structural warranty on all the engineered steel buildings we sell.

That’s long-lasting confidence you can feel great about!

Popular Three-Car Garage Sizes and Layouts

Because we have close connections with a variety of building accessory providers, we’re able to give you more alternatives than ever before, making it possible to design and build a three-car garage that simply wouldn’t be feasible to build just ten years ago.

General Steel RV Garage Kit

Our Three Car Garages

Charcoal Gray Garage by General Steel

Garages

A steel building from General Steel is a versatile solution for a garage. Every metal garage requires a unique...

SIZES, PRICES AND SPECS
20x40 Garage Building with Optional Components

20×40 Garage

A 20×40 garage from General Steel provides a versatile option for those looking for a two-car or 3-car garage.

SIZES, PRICES AND SPECS
24x30 Garage Building with Optional Components

24×30 Garage

A 24×30 metal garage from General Steel is an exceptional option if you’re looking for an attractive 2-car...

SIZES, PRICES AND SPECS
24x36 Garage Building with Optional Components

24×36 Garage

Our 24×36 is one of our most versatile garage buildings. It provides enough space for a three-car garage, small...

SIZES, PRICES AND SPECS
24x40 Garage Building with Optional Components

24×40 Garage

A 24×40 garage kit from General Steel provides a versatile building solution with enough space for three...

SIZES, PRICES AND SPECS
30x60 Garage Building with Optional Components

30×60 Garage

For a structure that’s both durable and attractive, a 30×60 garage kit from General Steel is an ideal choice...

SIZES, PRICES AND SPECS
40x60 Garage Building with Optional Components

40×60 Garage

A 40×60 steel building kit from General Steel is a great option if you’re looking for a three-car garage.

SIZES, PRICES AND SPECS
30x52 Metal C-Channel Building

30×52 C-Channel

If you need a three car garage, roomy storage space, farm building or even an office space, our 30x52 C-Channel...

SIZES, PRICES AND SPECS
3 Car General Steel Garage

Get Your Three-Car Garage Quote, Today

It’s never been easier to get a quote for a fully customized, pre-kitted, steel-built three-car garage from General Steel.

Just head over to our Price Your Building page, tell us a bit about the building you have in mind, and we’ll deliver you a quote within just 24-48 hours.

Your quote for a new steel three-car garage is just a click away!