BuildGrade
How Much Does a 30×30 Garage Cost to Build?
A 30×30 garage is 900 sq ft — a popular size for a roomy 2-car garage with workshop space or a comfortable 3-car layout.
Pole Barn
$42,075 – $56,925
Steel Building
$53,550 – $72,450
Stick Built
$91,800 – $124,200
Standard finish, average-cost region. Adjust below for your exact specs.
Your Shop Build
Set the size, type, and finish for your shop or outbuilding.
900 sq ft
Insulation, electrical, finished walls — typical functional build.
Typical pricing for most U.S. markets. If unsure, start here.
Remote areas often fall into high-cost due to limited labor and material access.
Site Work & Utilities
Most shops need at least concrete and electrical — toggle what applies.
Estimated Project Cost
$91,800–$124,200
Stick-built shops offer the most flexibility for finished interior spaces, but are typically the highest cost.
Stick Built costs roughly $58,500 more than Pole Barn at this size. Consider whether the added features justify the premium.
Based on typical U.S. construction costs for your selected finish & region.
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How Much Does It Cost to Build a 30×30 Garage?
A 30×30 garage gives you 900 square feet— enough for a spacious 2-car garage with room left over for a workbench, tool storage, or even a small workshop area. It's one of the most popular garage sizes for homeowners who want more than a basic 2-car but don't need a full 3-car layout. Costs range from roughly $27,000 to $186,000 depending on building type and finish level. Use the garage cost per square foot calculator for detailed $/sqft breakdowns.
30×30 Garage Cost by Building Type
Standard finish, average-cost region. Costs include structure only — add concrete, electrical, and site prep separately.
| Building Type | Basic | Standard | Premium |
|---|---|---|---|
| Pole Barn | $27k – $36k | $42k – $57k | $61k – $83k |
| Steel | $34k – $46k | $54k – $72k | $77k – $104k |
| Stick Built | $61k – $83k | $92k – $124k | $138k – $186k |
Average-cost region. Actual costs vary by contractor, site conditions, and local labor rates.
30×30 vs Other Common Garage Sizes
A 24×24 (576 sq ft) is the standard 2-car garage — functional but tight. A 30×30 (900 sq ft) adds 56% more floor space for roughly 30–40% more cost, making it one of the best value upgrades for homeowners who need workspace. If you need even more room, a 36×24 three-car garage offers 864 sq ft in a more linear layout. For full shop builds, see the 40×60 shop cost calculator.
| Size | Sq Ft | Typical Use | Stick-Built (Std) |
|---|---|---|---|
| 24 × 24 | 576 | 2-car garage | $59k – $79k |
| 30 × 30 | 900 | 2-car + workshop | $92k – $124k |
| 36 × 24 | 864 | 3-car garage | $88k – $119k |
| 30 × 40 | 1,200 | Workshop garage | $122k – $166k |
What Can You Fit in a 30×30 Garage?
- 2 vehicles + workspace — park two cars and still have a 6-foot-wide workbench area along one wall
- 3 compact vehicles — tight fit but doable if you maximize the layout
- 1 vehicle + full workshop — park one car and dedicate 450+ sq ft to woodworking, auto repair, or hobbies
- Boat or RV storage — wide enough for most boats with room for gear storage
- Home gym + storage — split the space between fitness equipment and seasonal storage
Best Building Type for a 30×30 Garage
Stick-built is the most common choice for a 30×30 garage — it matches home architecture, is easiest to insulate and finish, and works well in suburban neighborhoods. Pole barn is the budget option, ideal for rural properties where aesthetics are less critical. Steel splits the difference with durability and low maintenance. For deeper comparisons, see our pole barn and steel building calculators.
Site Work & Add-On Costs for a 30×30 Garage
The structure is just part of the total cost. For a 30×30 garage (900 sq ft), expect these common add-ons:
- Concrete slab: ~$7,200 ($8/sq ft)
- Electrical: ~$4,500 ($5/sq ft) — included in standard+ finishes
- Plumbing: ~$3,150 ($3.50/sq ft) — included in premium finish
- Site prep & grading: ~$1,800 ($2/sq ft)
Use the calculator above to toggle add-ons and see how they affect your total estimate.
Frequently Asked Questions
- How much does it cost to build a 30×30 garage?
- A 30×30 garage (900 sq ft) typically costs between $27,000 and $186,000 depending on building type and finish level. A standard stick-built 30×30 garage runs roughly $92,000–$124,000. Pole barn is cheapest; premium stick-built is the most expensive.
- Is a 30×30 garage big enough for a workshop?
- Yes — a 30×30 garage (900 sq ft) is a popular size for a combined garage and workshop. You can park 1–2 vehicles and still have 300–450 sq ft of dedicated workspace for woodworking, auto repair, or other hobbies.
- What is the cheapest way to build a 30×30 garage?
- A basic pole barn is the cheapest option, starting around $27,000–$36,000 for the structure alone. Add concrete, electrical, and site prep for a fully functional workspace at roughly $40,000–$50,000 total.
- How does a 30×30 garage compare to a 24×24?
- A 30×30 garage has 900 sq ft vs 576 sq ft for a 24×24 — that's 56% more space. The cost increase is typically 30–40%, making the 30×30 a strong value upgrade if you need workshop or extra storage space.
- Do I need a permit for a 30×30 garage?
- In most jurisdictions, yes. A 30×30 garage (900 sq ft) requires a building permit. You'll also need to meet setback requirements, height limits, and lot coverage rules. Check with your local building department before starting.