24x30 Metal Building: 2026 Prices and 5 Smart Uses
A 24x30 metal building gives you 720 square feet. That is a comfortable two car garage with space for a workbench and storage along the back, or a small shop, studio or backyard office. It is one of the most popular sizes for homeowners adding a garage.
For 2026, a basic 24x30 kit costs about $12,240 to $15,120, and a finished turnkey building usually runs $21,600 to $32,400. Below we break down the costs, five common uses and the choices that change the price most.
24x30 Metal Building Price
| Cost item | Per sq ft | 24x30 total |
|---|---|---|
| Kit only (12 ft eave) | $17 to $21 | $12,240 to $15,120 |
| Kit with 16 ft eave | $19 to $23.50 | $13,680 to $16,920 |
| Erection | $4 to $12 | $2,880 to $8,640 |
| 4 inch slab | $5 to $9 | $3,600 to $6,480 |
| Insulation (fiberglass) | $0.50 to $1.50 | $360 to $1,080 |
| Turnkey total | $30 to $45 | $21,600 to $32,400 |
Small buildings cost more per square foot than large ones. End walls, doors, trim and delivery are a bigger share of the total, so kits under 40 feet wide run about $17 to $21 per square foot, the same rate our metal building cost calculator uses. A carport style tubular steel building can cost less, but it is a lighter structure. Our guide to steel vs tubular building systems explains the trade off.
24x30 vs 24x24
The extra 6 feet of length adds 144 square feet, enough for a full workbench, a riding mower or shelving without squeezing past the cars. It usually costs only a little more than a 24x24 because the end walls and doors are the same. Our 24x24 slab cost guide shows how the concrete compares.
5 Smart Uses
1. Two car garage with a workshop
Two 9 or 10 foot doors on the 24 foot end, with a 6 foot workbench zone at the back.
2. Hobby shop
Woodworking or welding needs open floor and good light. Add windows and insulation for year round use.
3. Home office or studio
720 square feet gives room for an office, a bathroom and a small kitchenette, subject to local zoning.
4. Boat or RV storage
A 12 to 14 foot eave and a tall door can fit a boat on a trailer or a smaller camper. Bigger motorhomes need more. See our RV garage guide.
5. Small farm building
Feed storage, a tack room or a small equipment barn all fit well.
Concrete for a 24x30
| Slab thickness | Cubic yards | With 10% waste |
|---|---|---|
| 4 inches | 8.9 | 9.8 |
| 5 inches | 11.1 | 12.2 |
| 6 inches | 13.3 | 14.7 |
Four inches is standard for cars. Plan on thicker concrete under a car lift. Use the concrete slab calculator for a local price.
Choosing Height and Doors
A 10 foot eave works for cars and a standard 8 or 9 foot garage door. Go to 12 feet if you want a taller door for a lifted truck or a lift inside. Roll up doors are common on steel buildings because they do not need ceiling track, while sectional doors seal better for heated spaces. See our metal building doors guide for sizes.
Saving Money on a Small Building
- Pick a standard size from the supplier's catalog.
- Keep doors on the end walls, where framing is simpler.
- Ask whether delivery and anchors are included in the kit price.
- Check HOA rules and setbacks before ordering. Our permit guide covers the basics.
- Get at least three quotes for the same snow and wind loads.
Planning Tips for a 24x30
A 24x30 is small enough that little choices make a big difference. Put the main door on the gable end if you want the longest drive in depth, or on the side wall if you want two bays next to each other. A 10 foot eave works for most cars, but a 12 foot eave lets you fit a taller roll up door and some overhead storage. Add a walk door so you are not opening the big door every time you need a tool. Plan outlets along the workbench wall and at least one dedicated circuit for a compressor or welder. If you might add a lean to later, tell the supplier now so the frame can be designed for it. Small upgrades planned up front cost far less than changes after the building is standing.
FAQ
How much does a 24x30 metal building cost?
About $12,240 to $15,120 for a basic kit and $21,600 to $32,400 turnkey in 2026.
How much concrete for a 24x30 slab?
About 8.9 cubic yards at 4 inches, or 9.8 with 10% for waste.
Is a 24x30 big enough for two cars?
Yes. It fits two cars side by side with about 6 to 8 feet of extra depth for storage or a workbench.
Sources
- U.S. Bureau of Labor Statistics, PPI series WPU1017, steel mill products, checked October 2026.
- Rex Metal Buildings cost calculator rates and size guides.
Ready to price your building? Get free metal building quotes from suppliers who serve your area, or use the form on this page and our team will be in touch.