Quick Answer: A 30×30 metal building (900 sq ft) typically runs $16,200–$19,000 kit-only (~$19.52/sq ft) or $22,500–$26,400 fully installed turnkey (~$27.15/sq ft). Get your free quote for the exact number on your site.
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Most kits run $16–$20 per sq ft. Your real number depends on size, location, foundation & finish. Takes two minutes to find out.
14,068 kits sold 50-year Structural Warranty
A 30×30 is a square footprint rather than a long rectangle, which changes how it fits on a lot — the longest single dimension is only 30 feet, so it slots into narrower side yards or corner lots that a 20×40 or 30×40 couldn’t. That same square shape also makes for efficient interior layouts: no long, awkward runs of wall space, just an even, flexible 900 square feet that works equally well as a garage, a shop, or a mix of both.
How Much Does A 30×30 Metal Building Cost?
| Cost Component | Estimate |
|---|---|
| Kit only (DIY) | $16,200–$19,000 total (~$19.52/sq ft avg) |
| Turnkey (installed) | $22,500–$26,400 total (~$27.15/sq ft avg) |
| Concrete foundation add-on | ~$4,500 |
| Professional labor add-on | $3–$5/sq ft |
These figures reflect current published industry benchmarks for this size, positioned at our wholesale rate — get a quote for pricing specific to your location.
Popular Uses for a 30×30 Metal Building
The square 900-square-foot layout is one of the more versatile shapes in our size range, since it doesn’t force a single obvious use the way a long, narrow building does:
- Two-to-three car detached garage — enough width for multiple vehicles side by side, not just nose-to-tail
- Workshop with a dedicated storage bay — room for a full shop setup plus a separate area for materials or finished projects
- Man cave or home gym — a square footprint gives you an even, open room rather than a long hallway-like space; see our man cave ideas for layout inspiration
- Craft or hobby studio — pottery, woodworking, sewing, or a maker space with room to spread out
- ATV, motorcycle, or small equipment storage — a secure, weatherproof alternative to leaving gear outside
- Backyard office or guest studio shell — a standalone structure separate from the main house
See the full size index for every available size if 30×30 isn’t quite the right fit.
What’s Included
The kit-only price on a 30×30 building covers the primary steel frame, roof and wall panels, one walk door, one drive-in door, engineering stamps sized to your local code, and delivery to your site — everything needed to erect the structure.
Turnkey pricing adds the concrete foundation, professional erection and labor, and permit coordination on top of that base, so the building arrives ready to use rather than as components waiting on a crew.
Not included at either level: insulation, interior finish-out, custom colors, additional windows beyond the standard package, and electrical or plumbing rough-in. See insulation options and finishing options for what those typically add to a 30×30.
What Affects Your Price
- Foundation type — a standard 4″-6″ slab is the baseline; foundations engineered for difficult soil cost more
- Region — labor rates and code requirements differ by state; check your state page for local specifics
- Finishing level — insulation, interior walls, and custom exterior colors are priced separately from the base structure
- Door and window count — the standard kit includes one walk door and one drive-in door; more of either raises the total
Foundation Requirements for a 30×30
A 30×30 building typically sits on a standard 4″-6″ concrete slab, estimated at around $4,500 for this footprint — slightly more than a 20×40 despite the smaller square footage, since a square slab pours differently than a long rectangular one.
- Soil conditions — soft or expansive soil may require added reinforcement in the slab
- Site prep — clearing, grading, or drainage correction is priced on top of the slab itself
- Frost line depth — colder regions often need footings set below the frost line, adding to material and labor cost
See foundation options for a full comparison of slab types.
Common Mistakes to Avoid
| Mistake | Why It Costs You | Fix |
|---|---|---|
| Comparing a kit-only quote here to someone else’s turnkey number | Turnkey includes foundation and labor, so the two prices don’t measure the same thing | Confirm whether every quote you’re comparing is kit-only or fully installed |
| Choosing 30×30 over a slightly larger size just to save on sticker price | A boxed-in layout leaves less flexibility if your needs grow, and expanding later costs more than building right the first time | Size for how you’ll actually use the space, including any future plans |
| Ordering before a soil or site assessment | Unexpected soil conditions can add foundation cost after your budget is already locked in | Get a basic site or soil check before finalizing your foundation estimate |
| Leaving finishing decisions for after the structure is up | Retrofitting insulation or interior finish-out costs more than specifying it at the time of your quote | Decide on your finishing level before your building ships |
Get Your Exact 30×30 Price
We’ve shipped more than 14,000 kits backed by 50-year structural warranties, all at wholesale pricing. Getting your exact number for a 30×30 building — priced for your location, foundation, and finish level — takes just a few minutes. Get your free, no-obligation quote.
FAQ
How much does a 30×30 metal building cost?
Kit-only pricing for a 30×30 (900 sq ft) building typically runs $16,200–$19,000, or about $19.52 per square foot. A turnkey, fully installed building typically runs $22,500–$26,400, or about $27.15 per square foot, before finishing options.
What can I fit in a 30×30 building?
A 30×30’s square layout works well as a two-to-three car garage, a workshop with a separate storage bay, a man cave or home gym, a craft or hobby studio, equipment storage, or a backyard office or guest studio shell.
Do I need a permit for a 30×30 metal building?
In most jurisdictions, yes, and requirements vary by state and lot size. Check your state page for local permitting guidance before you finalize your order.
Is a 30×30 metal building hard to construct myself?
It’s a manageable size for an experienced DIY crew, though the wider clear-span roof structure typically needs more hands and equipment than a narrower 20×40. Most owners bring in a local contractor for at least the foundation and roof erection.
What size foundation does a 30×30 building need?
A standard 4″-6″ concrete slab sized to the building’s 900 sq ft footprint, estimated at around $4,500 depending on soil conditions and site prep.
Can I finance a 30×30 metal building?
Yes. See financing options and rent-to-own for ways to spread out the cost instead of paying in full upfront.
How do I get an exact price for my 30×30 building?
The fastest way is a free custom quote, since pricing depends on your exact location, foundation choice, and finish level. Get your free, no-obligation quote.
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