Steel buildings and metal building kits are some of the most cost-effective ways to quickly put up a new structure. That’s true whether you’re looking for storage, a commercial building, or even a new home with a barndominium.
Metal buildings are durable, can cost as little as a few dollars per square foot for the building shell, and typically go from flat-packed kit to erected building in as little as a few weeks.
In addition, most install on nothing more than a simple concrete slab, saving you costs on foundation and site prep as well.
Whatever you’re looking for in a metal building, you’ll need a supplier and potentially an erection crew to help you do the work. In California, you’ll have dozens of businesses and suppliers to choose from.
The list below is a quick overview of the top metal building manufacturers in the Golden State.
- American Metal Buildings
- Pacific Metal Buildings
- California Metal Buildings
- Ideal Steel Buildings
- Bulldog Steel Structures
- California All Steel
- Lodi Metal Buildings
- Complex Steel Buildings
- Titan Steel Structures
- Buck Steel
- Viking Steel Structures
- AA Metal Buildings
- BORGA
- Millennium Buildings
- Mac-Co Metal Buildings
- Eversafe Buildings
- Empire Steel Buildings
- Rhino Steel Structures
- Choice Metal Buildings
- Worldwide Steel Buildings
*Note: Steel building companies are ranked in no particular order.
1. American Metal Buildings
American Metal Buildings is a metal building kit company offering buildings for carports, garages, barns, sheds, and homes. The company primarily sells building kits, meaning you can simply order them from the site without interacting with a sales agent.
American Metal Buildings will also deliver your metal building anywhere you want in California.
In addition, American Metal Buildings offers building kit erection and installation. This means it can erect your building on your concrete slab so you don’t have to find your own erection crew.
Because everything American Metal Buildings sells is a building kit, it also offers delivery and erection within 4-6 weeks of order anywhere in California.
That makes this one of the fastest metal building companies available in the state. However, there are tradeoffs in that customization options are lower.
If you want a basic metal building without much in the way of specific or special customizations, American Metal Buildings is a great choice.
- Delivery and erection across California
- 1-year workmanship warranty
- Steel building kits
- Pole barn construction (no foundation needed)
- Minimum customization options
- 4-6 weeks till finished erection from placing order
- Financing available
- Erection services included
Website: https://www.americanbuildings.com/
Address: 200 Whetstone Road Swansea, SC 29160
Phone: 803-568-2100
2. Pacific Metal Buildings
Pacific Metal Buildings is a California-based metal building company offering flat-rate metal building kits delivered across California and Oregon.
The company offers over 100 unique building kits with customizations including 20 panel colors, different roofing options, different eave options, and some other simple customization options.
This means you can get a simple metal building for a garage, storage area, barn, commercial building, or even a simple barndominium – but you shouldn’t expect much in the way of building customizations or add-ons.
Pacific Metal Buildings also offers lean-to buildings that can be installed as add-ons to your existing metal building.
They also offer building erection on your lot. Its kits are pole barns, meaning you don’t need a slab. However, you can opt for installation on your own slab.
Pacific Metal Buildings does not do concrete work itself. Otherwise, you’ll get a basic metal building installed on your lot although timelines vary depending on season and weather.
- Service across California and Oregon
- 10-year building warranty
- Steel building kits
- Pole barn construction
- Erection services included
- Financing available
Website: https://www.pacificbuildingsinc.com/
Address: 270 Old Hwy 99, W Maxwell, CA 95955
Phone: 530-438-2777
3. California Metal Buildings
California Metal Buildings is a metal building kit company offering flat rate pricing with building erection included. Their service extends across the state of California.
Here, you get a simple metal pole barn that can be erected on dirt, asphalt, or your existing concrete slab. In the case of a concrete slab, California Metal Buildings will inspect the slab upfront before installation to ensure that it works.
California Metal Buildings also sells multiple building styles including A-frame, lean-to, covers, and several roofing types.
However, with 11 panel colors and limited customization options, this is not the right metal building company if you’re looking for something unique.
Instead, California Metal Buildings is the best choice for a garage, simple storage building, simple commercial building, or a barn.
If you don’t care how your building looks on the outside, you can also use your metal building for anything else you want.
- Service and erection across California and Oregon
- 30-day to 20-year manufacturer’s warranty
- Steel building kits
- Post frame/pole barn construction
- Financing available
- Erection services included
Website: https://www.californiametalbuildings.net/
Address: 107 Old Hwy, Arbuckle, California 95912
Phone: 530-476-8090
4. Ideal Steel Buildings
Ideal Steel Buildings is a custom steel building manufacturer offering building kits and prefabricated steel buildings across the state of California.
The builder primarily specializes in small to mid-size projects including garages, barndominiums, shops, warehouses, commercial buildings, and agricultural storage.
However, with every building custom-made, you can use the 3D configuration tool to design whatever you want and have Ideal Steel bring it to life for you.
Ideal Steel also offers erection services. This means that it will show up on your site and erect your custom steel building on your slab.
In most cases, you should expect the full process to take 12-18 weeks from ordering to the point where you can start using the building.
Ideal Steel will also offer site plan and building permit support to ensure that you can get planning permission where needed.
- Service and erection across California
- 1- to 30-year warranty
- Custom-designed steel building kits
- Erection on concrete slab available
- Permit support and foundation plans available
- No building kits
- All buildings are prefabricated
Website: https://idealsteel.net/
Address: 1289 Smedge Highway, Broussard, LA 70518
Phone: 337-560-9667
5. Bulldog Steel Structures
Bulldog Steel Structures is a metal building company based in North Carolina that offers service, including delivery and installation, across California.
The company specializes in metal building kits including prefabricated and ready-to-ship barns, garages, barndominiums, and commercial buildings.
You can also order a custom building with several roofing types, framing gauge options, and more. However, with 12 color options and two roof options, this is not a great option if you want a very customized metal building.
Instead, it’s a good fit if you want to order a simple metal building kit with a minimum time investment, have it delivered, and have it erected on your site.
Bulldog also offers both financing support and rent-to-own schemes so you can choose the solution that best fits your needs.
All Bulldog Steel Structures buildings are manufactured in the United States and then assembled on your lot by a local building crew.
- Delivery and erection services across California
- One-year workmanship warranty
- 20-year panel warranty on 12-gauge material
- Metal building kits
- Some customization options
- Financing and rent-to-own available
- Erection services included
Website: https://bulldogsteelstructures.com/
Address: 158 Piedmont Triad W Dr, Mt Airy, NC 27030
Phone: 888-551-2156
6. California All Steel
California All Steel is a metal building manufacturer offering very simple clear span buildings suitable for carports, storage, and simple barns. These include barns with post framing and gable roofing.
You can also order individual components, either for repair or for a DIY project.
California All Steel primarily sells pre-manufactured and ready-to-ship building kits. However, you can also work with the company to custom order your own building and have it shipped to your lot exactly as you ordered it.
California All Steel also includes delivery and building erection in all building costs. This means that the price listed on the website includes delivery and erection on your dirt, asphalt, or concrete slab.
You can also customize every kit with custom colors, add extra trusses, or choose a different roof style such as horizontal or vertical A-frame, boxed eve, etc. That means you can customize your building, although you should expect it to be mostly a straightforward metal structure.
- Delivery and erection service free across California
- 20-year limited warranty
- Metal building kits
- 5 roofing options
- Minimal customization options
- Financing available
- Erection services included
Website: https://californiaallsteel.com/
Address: 85 Sante Fe Ave, Fresno, CA 93721
Phone: 844-918-1997
7. Lodi Metal Buildings
Lodi Metal Buildings is a metal building manufacturer offering basic metal buildings in 12- or 14-gauge steel.
The company offers relatively simple structures with a few customization options including 13 color options, 2 roofing options, and your choice of building sides or not.
Lodi also sells steel span buildings up to 30’ wide – meaning this is a good choice if you want a small metal building but don’t need anything too large.
Lodi primarily specializes in carports, garages, small barns, and small storage buildings. However, Lodi doesn’t offer much in the way of customizations, large building solutions, or solutions for barndominiums or residential structures.
Lodi also offers erection services. This means it will show up on your lot and install your building on your dirt, concrete, or asphalt. Lodi does not offer foundation or concrete work.
Lodi can also offer insulation and some other accessories. In addition, you get free erection services across California.
- Service across Central Valley California
- 20-year warranty
- Metal building kits
- Specializes in carports and garages
- 2 roofing options
- Financing available
- Free delivery and erection Central Valley
Website: https://www.lodimetalbuildings.com/
Address: 222 E Kettleman Ln, Ste B, Lodi, CA 95240
Phone: 209-200-8498
8. Complex Steel Buildings
Complex Steel Buildings is a steel building kit provider offering garages, barns, carports, storage centers, warehouses, and simple commercial buildings across California.
The supplier works almost exclusively with ready-to-ship kits, meaning that it can have a kit shipped to your lot within 1-3 weeks, or faster than almost any other competitor.
From there, Complex Steel will erect your building on your asphalt, dirt, or concrete slab. In most cases, Complex Steel offers building delivery and erection within 5-15 days inside its service area – depending on weather.
That makes this the best option for a simple steel building if you’re in a hurry.
The builder also offers a range of color options, 2 roof options, and some other small customization options. However, all of its buildings are flat-packed kits with very minimal customization options available.
- Service across California
- 20-year warranty
- Metal building kits
- Specializes in small metal buildings
- Minimal customizations
- Financing available
- Free delivery and erection
- 5-15 day delivery timeline
Website: https://complexsteelbuildings.com/
Address: 1371 W Acacia Ave, Hemet, CA 92543
Phone: 951-363-4477
9. Titan Steel Structures
Titan Steel Structures is a metal building manufacturer based in California and offering custom metal buildings across the state. Titan Steel also offers building delivery and erection across most of the United States.
In California, you get a custom metal building manufactured to your specifications, prefabricated, shipped to your lot, and then erected on your concrete slab.
Titan Steel can also handle even industrial-sized buildings and will mostly be able to manufacture anything you have in mind. That makes it a great choice for mid-size and larger steel buildings but not a great choice for garages and other simple and small buildings.
Titan also offers some basic building kits and sizes, ranging from 30 x 50 to 100 x 200. You can also fully customize the length and sides to anything in between those dimensions.
The Titan Steel system also allows for 12′ or 18′ high eaves, giving you plenty of room for whatever you want inside the building.
- Delivery across California
- 1-year manufacturer’s warranty/workmanship warranty
- Custom metal buildings
- Up to 100′ x 200′
- Some building kits available
- Minimize customizations
- Free delivery and erection across California
Website: https://titansteelstructures.com/
Address: 120 SW 36th Ave Suite 102 Pompano Beach, FL 33069
Phone: 855-546-0988
10. Buck Steel
Buck Steel is a steel building manufacturer offering both custom buildings and kits across the state of California. Buck primarily specializes in agricultural, industrial, and storage buildings.
It also offers fully custom buildings which you can use for barndominiums, shops, and other specific uses. Buck Steel also offers a wide range of customization options including insulation, paneling, multiple roofing options, step-down buildings, and much more.
However, the smallest building Buck offers is 2,400 square feet. The largest is over 100’ x 200’.
Buck Steel also does not offer erection or contractor services of any kind. This means you’ll need your own erection crew and contractor to work with Buck.
The company will ship you a building kit that’s ready to erect on your concrete slab along with stamped engineered building plans. Otherwise, you’ll need your own construction crew.
- Delivery across California
- 40-year finish warranty
- Custom metal buildings
- Metal building kits
- 2,400 square feet +
- Financing available
- Free delivery but no erection services
Website: https://www.bucksteel.com/
Address: 5401 N University Drive Suite 104, Coral Springs, FL 33067
Phone: 846-574-4571
11. Viking Steel Structures
Viking Steel Structures is a metal building company offering a mix of custom metal buildings and flat-rate metal building kits.
The builder specializes in mid to large-scale buildings up to 200 x 200. Buildings are also 9 to 18 feet tall, giving you room to design it around anything you want.
Viking Steel Structures also offers flat rate kits which you can buy for a starting price including shipping, delivery, and erection services.
Viking Steel requires that you have a concrete slab in place before erection. If you’re ordering a carport or similar structure, you’ll be able to work with dirt, asphalt, or concrete with installation within 60 days.
Viking Steel Structures offers some customization options including 15 panel options, 2 door colors, and several roof options. You can also order your metal building with or without sides.
Viking Steel also offers financing, payment plans, and other offers to ensure you can easily buy your metal building without going to a bank first.
- Delivery across California
- 20-year rust through guarantee
- Metal building kits
- Custom metal buildings
- Mid- to large-scale buildings
- Minimum 2,400 square feet buildings
- Financing available
- Free delivery and erection services
Website: https://www.vikingsteelstructures.com/
Address: 113 W Main St, Boonville, NC 27011
Phone: 877-960-2579
12. AA Metal Buildings
AA Metal Buildings is a metal building manufacturer offering a mix of metal building kits and custom metal buildings across the state of California.
Like most competitors, AA offers 12-gauge and 14-gauge steel, about 14 color panel options, 3 roofing options, and your choice of sides or no sides.
AA also offers a bit more in the way of customization than some competitors, as you can opt for different types of doors and windows.
You can also custom order your building with space for the doors and windows and then install your own, making this a good fit if you want a simple building for a barndominium.
AA Metal Buildings can also customize your barndominium to your needs. However, customizations are minimal and will mostly be about panel colors and building size rather than any structural elements.
AA also offers flat rate pricing, so you can get a kit for a predictable price. In addition, AA offers free delivery and erection services across California.
- Service across California
- 20-year warranty
- Metal building kits
- Customization options are available
- Every building custom manufactured
- Financing available
- Free delivery and erection across California
Website: https://www.aametalbuildings.com/
Address: 800 Piedmont Triad, West Dr, Suite C, Mt Airy, NC 72030
Phone: 877-564-7543
13. BORGA
BORGA is a steel building company offering custom and kit metal buildings across California. The building company primarily specializes in customized kits that are made to order, shipped to your site, and erected for you.
You can also use a 3D designer to drag and drop your building design together to figure out what you’d like your building to look like.
BORGA can also work with multi-story buildings and insulation, and even offers extras like solar panels. All its buildings are span-roof style and can extend up to 200 feet wide.
That makes this a versatile metal building manufacturer whether you’re looking for a small garage or up to an industrial building.
BORGA can also work with barndominiums, religious facilities, and commercial buildings intended to be used as heated spaces.
Otherwise, you will have to contact and work out pricing and development timelines with BORGA individually, as everything, even standard buildings are custom made.
- Service across California
- 40-year paint warranty
- Custom metal buildings
- Standard metal building kits
- Every building custom manufactured
- Delivery and erection across California
Website: https://www.borgasteel.com/
Address: 300 W Peach St, Fowler, CA 93625
Phone: 559-834-5375
14. Millennium Buildings
Millennium Buildings is a North Carolina-based metal building manufacturer offering metal building kits, custom-engineered metal buildings, and metal building systems across California.
The builder offers a wide range of building styles including span arch, traditional, boxed eave, gable, and other roof options. It also offers custom buildings for barndominium and finished commercial use, meaning this is a very versatile metal building kit supplier.
Millennium Buildings also offers buildings up to 60’ wide with multiple height options. You can also order different barn styles up to 20’ tall. The supplier also offers free delivery across California.
In addition, with delivery from 2 weeks of order, it’s one of the fastest metal building suppliers in California. However, you will need your own erection crew.
- Delivery across California
- 10–25-year warranty on all buildings
- Metal building kits
- Custom steel buildings
- Multiple customizations and roof styles available
- No erection services provided
- Free delivery across California
Website: https://millenniumbuildings.com/
Address: 317 W Atkins St, Dobson, NC 2017
Phone: 899-216-8499
15. Mac-Co Metal Buildings
Mac-Co Metal Buildings is a custom metal pole barn builder operating in California.
The builder offers custom construction with post frames. This means you don’t need a foundation and can use concrete piers in the ground instead.
In addition, you’ll have options for 19 panel colors, a range of door and window options, and the option for steel building kits instead of a post frame building.
Mac-Co specializes in garages, barns, carports, and other simple buildings. It can also offer multiple siding options including wood and metal siding.
Ordering a building means it’s custom made for you, erected on your lot, and then handed over to you ready to use.
- Service across California
- 10-year warranty
- Custom metal buildings
- Post frame metal buildings
- Wood or metal siding
- Minimal customization options
- Erection services provided across California
Website: https://maccometalbuildings.com/
Address: 6183 Meister Way, Anderson, CA 96007
Phone: 530-365-1403
16. Eversafe Buildings
EverSafe Buildings is a metal building kit provider offering steel buildings across the United States. This includes free delivery and installation anywhere in California.
The company primarily offers basic steel building kits with metal siding, your choice of trim and offsets, and doors and windows. Otherwise, customization options are minimal and you will mostly get a basic building with few customizations.
However, in California, you can request a custom-engineered building, which you can have drawn up for you based on local requirements.
Eversafe specializes in smaller buildings. This includes garages, barns, carports, workshops, storage buildings, and other small-scale buildings.
You can also choose different color options, different roof options, and options for doors and windows. Eversafe primarily offers building kits and ready-to-ship buildings for a flat rate – although you can customize them.
- Service across California
- 20-year warranty on framing
- Steel building kits
- Pole barn construction
- Custom buildings available
- Financing available
- Erection services provided
Website: https://www.eversafebuildings.com/
Address: 11175 Cicero Dr, Suite 135, Alpharetta, GA 30022
Phone: 800-374-7106
17. Empire Steel Buildings
Empire Steel Buildings is a San Diego-based steel building manufacturer offering custom metal buildings and building systems across the state.
The company also has 14 manufacturing points in the United States, meaning it can very quickly supply your metal building no matter how large it is.
Empire Steel also custom manufactures most of its buildings. However, it has a price point match, meaning that you can get a quote from competitors, and Empire Steel will match or beat it. That applies to buildings between 1,200 and 50,000 square feet.
Empire Steel also supplies everything from panels to insulation to windows. You will get a flat-packed building kit complete with assembly instructions.
However, Empire Steel does not offer erection or contracting services of any kind, so you’ll have to handle erection yourself with your own building crew.
- Delivery across California
- 40-year limited warranty
- Steel building kits
- Span steel construction
- Custom buildings available
- Every building manufactured on demand
- No erection services
Website: https://www.empirebuilt.com/
Address: 5230 Carroll Canyon Rd, San Diego, CA 92121
Phone: 800-905-3443
18. Rhino Steel Building Systems
Rhino Steel Building Systems is one of the largest metal building companies in the United States. It’s also one of the only to offer a lifetime structural warranty and a 60-year paint warranty.
Rhino Steel offers custom-designed steel buildings with an engineering system, meaning you can scale your building up to 200 feet wide.
You can also customize with 3 roofing options, 30+ panel color options, clear panels, insulation kits, solar panel kits, and much more. You can also get small-scale kits to use as garages or as homes.
Rhino delivers a steel building kit complete with assembly instructions, architect-stamped building plans, foundation plans, and everything you need for planning permission. However, you’ll need your own building crew to do the building erection.
Rhino buildings need concrete piers and a concrete slab. Otherwise, this is a great option with a lot of customization and one of the best warranty and guarantee programs on the market.
- Delivery across California
- Lifetime structural warranty
- 60-year paint and panel warranty
- Steel building kits
- Custom-designed metal buildings
- No erection services
- Free delivery
Website: https://www.rhinobldg.com/
Address: 4305 I-35 North Denton, TX 76207
Phone: 940-461-7454
19. Choice Metal Buildings
Choice Metal Buildings is a metal building company specializing in garages, carports, and storage buildings across California.
The company primarily offers building kits that are prefabricated to standard sizes. However, you can also opt for a custom build with your choice of panel colors, roof height, building size, eaves, and roof options.
In most cases, Choice Metal Buildings is a good choice if you’re looking for a simple metal building primarily for storage, a workshop, or a garage. Otherwise, options are somewhat limited.
However, Choice Metal Buildings can also deliver fairly large garages with sizes of up to 100×100.
In addition, the company offers free delivery and erection services anywhere in California. That includes erection on dirt, asphalt, or a concrete slab. You’ll also have to level the site and Choice will not handle this for you.
All Choice buildings are pole barns, so you won’t need a foundation, but you can choose to have one.
- Service across California
- 10-year limited warranty
- Metal building kits
- Some custom options available
- 3 roofing options
- Erection services across California
Website: https://www.choicemetalbuildings.com/
Address: 826 Marshall St., Mount Airy, NC 27030
Phone: 877-422-1812
20. Worldwide Steel Buildings
Worldwide Steel Buildings is one of the largest steel building manufacturers in California and the United States. It’s also the option with the most building customizations, making this a great choice if you want color, architectural features, and size options.
Worldwide Steel can also work with multi-story buildings. It also has over 100 unique building kits including options for garages, storage, warehousing, barndominiums, horse barns, airplane hangars, and much more.
You can also choose from 60+ panel colors, 3 roofing options, dozens of architectural additions, lean-to porches and balconies, and much more.
Its options include both building kits that are ready to ship, with lead times of about 10 weeks, and custom designs, which you can have manufactured to your specifications.
Worldwide Steel will deliver your building kit to your site complete with assembly instructions. You’ll get everything you need to hand the kit over to your erection crew. That will include stamped plans, foundation plans, and numbered assembly instructions.
Otherwise, you will be on your own with erection, which may be a downside compared to some competitors.
- Delivery across California
- 50-year structural warranty
- Steel building kits
- Custom engineered steel buildings
- Large number of customizations
- No erection services
Website: https://www.worldwidesteelbuildings.com/
Address: 10606 State Route YY, Peculiar, MO 64078
Phone: 800-825-0316