The cost of a 30 by 30 foot garage depends on framing, foundation, doors, roofing, and finishes. Typical price ranges cover basic shell to fully finished, including permits and site work. Read this guide to see how the price breaks down and which factors drive the total cost of a 900 square foot garage.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Total project price | $20,000 | $35,000 | $65,000 | Detached or attached, materials, and scope vary |
| Per-square-foot (building shell) | $22 | $39 | $72 | Includes framing, roof, siding, and doors |
| Foundation and slab | $5,000 | $9,000 | $18,000 | Floating slab vs. monolithic pad affects price |
| Doors (2-car or larger) | $1,800 | $3,200 | $6,000 | Standard steel or insulated aluminum |
| Electrical package | $1,500 | $3,000 | $6,000 | Lighting, outlets, subpanel options |
| Permits and inspections | $500 | $2,000 | $5,000 | Varies by city and scope |
30×30 Garage Price Components For A 900 Sq Ft Structure
Typical total price for a basic shell ranges from $20,000 to $40,000, with mid-range projects around $30,000-$38,000. The number rises with upgrades such as insulation, interior finishing, and specialized doors. Assumptions include standard 8-foot walls, vinyl or steel siding, and a gable roof. Regional labor differences and site access can shift costs.
| Component | Low | Average | High | Notes |
|---|---|---|---|---|
| Materials (framing, roof, siding) | $9,000 | $16,000 | $28,000 | Wood or steel framing; choices affect price |
| Labor (construction) | $7,000 | $12,000 | $25,000 | Crew size and region impact rates |
| Foundation or slab | $5,000 | $9,000 | $18,000 | Crack prevention and rebar add cost |
| Doors and windows | $1,800 | $3,200 | $6,000 | Insulated options cost more |
| Electrical, lighting, outlets | $1,500 | $3,000 | $6,000 | Service upgrade may add |
| Permits, inspections | $500 | $2,000 | $5,000 | Local rules vary |
Key Drivers That Shape A 30×30 Garage Quote
Size and layout determine material needs; a keeper layout with two bays vs. one affects both price and usefulness. Assumptions: 900 sq ft, standard two-car door, single-story footprint.
Foundation type (slab thickness, reinforcement, and vapor barrier) can swing $5,000-$18,000. Foundations influence long-term durability and floor plan possibilities.
Material Choices That Move the Price On A 30×30 Garage
Wood framing is typically cheaper upfront than steel, but steel offers longer life in some climates. Exterior siding choices—from basic vinyl to insulated metal—also shift costs. Assumptions: Mid-range materials; standard thickness; no custom finishes.
Labor And Scheduling: How Quick Can A 30×30 Go Up
Typical build time for a basic shell is 3-6 weeks, with interior finishes adding weeks. Labor rates vary by region and crew size; hourly costs often range from $60-$120 per hour for licensed contractors. Assumptions: Local crews, standard working conditions, no major weather delays.
Permits, Codes, And Inspections For A 30×30 Garage
Permit costs depend on jurisdiction and project scope; expect $500-$2,500 for basic structures and up to $5,000 for more complex setups. Inspections add time and potential rework costs. Assumptions: Single-family lot, detached structure, standard setbacks.
Foundation to Finish: A Scenario With Regional Variations
In the Midwest, plan for closer to the lower end of costs due to common labor rates, while coastal cities may push totals higher. A 30×30 shell in a rural area might land around the low-$20k range, while urban markets trend toward the $40k-$60k range when items like upgrades are included. Assumptions: Standard concrete slab, mid-range doors, regional labor differences.
Ways To Trim The 30×30 Garage Price Without Sacrificing Value
Bundle permits, choose ready-made door packages, and limit interior finishes in the first phase to reduce upfront costs. Consider a phased build or reusing existing utilities where feasible. Assumptions: You own the lot; no substantial rework of site utilities.
Compare Regions: How Location Shifts 30×30 Garage Pricing
Pricing can swing by 15-25% between regions with different labor markets and permitting regimes. A midwestern project may sit around the average range, while coastal projects can be 20-30% higher after adding transport and material costs. Assumptions: Similar scope in each region.
Do-It-Yourself Possibilities For A 30×30 Garage Budget
Skipping full interior finishes or hiring a contractor for core framing only can cut costs by 15-30%. DIY roofs or siding are feasible for experienced builders but carry risk. Assumptions: Moderate carpentry skill, adherence to codes, proper permits secured.
Practical Price Check: Realistic Quote Scenarios For 30×30 Garages
Scenario A: Basic shell with slab, two single-car doors, minimal electrical. Scenario B: Insulated shell, finished interior, two-car doors, upgraded lighting. Scenario C: Premium package with steel framing and premium doors. Assumptions: Regional pricing differences apply; standard access; no major site complications.
- Scenario A total: $22,000-$28,000
- Scenario B total: $40,000-$60,000
- Scenario C total: $60,000-$90,000
Per-Unit And Phase Pricing Details
Shell price per square foot typically runs $22-$40, yielding $19,800-$36,000 for a 900 sq ft area. Per-door pricing, per electrical run, and per upgrade are shown in the component table above to help compare bids.
| Cost Component | Low | Average | High | Notes |
|---|---|---|---|---|
| Framing (wood/steel) | $7,000 | $12,000 | $22,000 | Material choice drives range |
| Siding and roofing | $4,000 | $7,000 | $12,000 | Material and insulation levels matter |
| Doors (two | $1,800 | $3,200 | $6,000 | Insulated or non-insulated options |
| Electrical package | $1,500 | $3,000 | $6,000 | Upgrade to 100A+ costs more |
| Foundation and slab | $5,000 | $9,000 | $18,000 | Thickness and reinforcement impact price |
| Permits and inspections | $500 | $2,000 | $5,000 | Varies by jurisdiction |