Homeowners typically see the cost to build a double garage fall in a broad range, influenced by factors like footprint, materials, foundation type, and local permit requirements. The price you pay depends on choices for concrete, framing, roofing, doors, and finishing. Cost estimates in this guide use USD values and reflect common U.S. market conditions to help budget and compare options.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Double garage shell (footprint ~400–520 sq ft) | $12,000 | $22,000 | $40,000 | Basic masonry or wood frame |
| Foundation and slab | $4,500 | $8,000 | $16,000 | Slab thickness and rebar vary |
| Doors (two-car high-efficiency) | $2,000 | $4,000 | $8,000 | Insulated doors add cost |
| Roofing | $2,000 | $4,000 | $9,000 | Gable vs. flat; material type matters |
| Electrical, lighting, outlets | $800 | $2,500 | $6,000 | Additional circuits add cost |
| Finishing (insulation, drywall, paint) | $2,000 | $6,000 | $12,000 | Drywall vs. paneling affects price |
| Permits, design, plan review | $500 | $2,000 | $5,000 | Local rules vary |
| Delivery, disposal, misc. | $400 | $1,800 | $5,000 | Site access matters |
Overview Of Costs
Typical cost range for a standard double garage with a basic shell and mid-range finishes is approximately $25,000-$60,000, with per-square-foot pricing often falling between $60-$150/sq ft depending on location and choices. This section outlines total project ranges and per-unit estimates to help set expectations. Assumptions: region, specs, labor hours.
Cost Breakdown
| Category | Low | Average | High | Notes |
|---|---|---|---|---|
| Materials | $8,000 | $18,000 | $34,000 | Concrete, framing, roof, doors |
| Labor | $7,000 | $12,000 | $22,000 | Crew hours, skill level |
| Equipment | $1,000 | $3,000 | $6,000 | Concrete tools, lifts |
| Permits | $500 | $2,000 | $5,000 | Region dependent |
| Delivery/Disposal | $300 | $1,500 | $4,000 | Site waste handling |
| Warranty & Contingency | $500 | $2,000 | $5,000 | General contractor margin |
| Taxes | $300 | $1,000 | $3,000 | State/local rates vary |
What Drives Price
Key factors include the chosen footprint, foundation type, and the door system. A larger footprint or added features like insulated panels or epoxy floors increases costs quickly. Assumptions: 20–24 ft wide by 20–26 ft deep, standard slab.
Per-unit considerations also matter: material choices (vinyl vs. fiber cement siding, asphalt vs. metal roofing) affect long-term maintenance and upfront fees. Labor rates vary by region and crew skill.
Labor, Hours & Profiles
Labor intensity is driven by foundation complexity, roof style, and whether utilities are upgraded or added. Typical install time ranges from 7 to 14 days for standard builds, with crew sizes of 3–6 workers. Assumptions: dry weather window, no major site constraints.
For price precision, many builders estimate hours as a function of scope: data-formula=”labor_hours × hourly_rate”>. A common rule: higher specialization, such as stamped concrete or advanced electrical, adds to both time and cost.
Regional Price Differences
Price variation by region can be substantial. In the Northeast, higher labor and permitting costs push totals toward the upper end; the Midwest often sits closer to the middle; the South may offer lower base rates but with regional material costs. Assumptions: three representative markets.
- Urban Northeast: +15% to +25% versus national average
- Midwest Suburban: near national average
- Southern Rural: -5% to -15% vs. national average
Labor & Installation Time
Install time and crew costs hinge on site access, weather, and design complexity. A straightforward, insulated steel-panel shell may require fewer on-site days than a full brick-and-mortar build with custom finishes. Assumptions: typical residential lot, no zoning delays.
Estimate ranges: $9,000-$22,000 for labor and basic installation, with higher-end projects surpassing $30,000 when premium finishes and complex electrical are included.
Additional & Hidden Costs
Hidden costs can surface from site preparation, drainage, and grading, or from upgrades like HVAC tie-ins and security systems. Assumptions: level lot, no drainage remediation required.
- Site grading and drainage improvement: $1,500–$9,000
- Electrical upgrades or smart door controllers: $600–$2,500
- Insulation and drywall finish upgrades: $2,000–$6,000
- Driveway connection and paving adjustments: $1,000–$4,000
Real-World Pricing Examples
Three scenario cards provide concrete benchmarks to compare budgets and outcomes. Each card lists specs, hours, per-unit prices, and totals.
Basic Scenario
Footprint: 20×20 ft; wood frame; single-car-height doors; no insulation beyond basic framing. Assumptions: standard site, no major site work.
Labor: 80 hours; Materials: $12,000; Doors: $2,000; Permits: $700; Total: $25,700
Mid-Range Scenario
Footprint: 24×24 ft; insulated panels; vinyl siding; two-car doors; basic electrical package. Assumptions: suburban lot, mid-grade finishes.
Labor: 110 hours; Materials: $20,000; Doors: $4,000; Permits: $1,200; Total: $41,000
Premium Scenario
Footprint: 26×26 ft; brick veneer, metal roof; premium doors; full insulation and drywall; upgraded lighting. Assumptions: high-end finishes, complex site work.
Labor: 150 hours; Materials: $34,000; Doors: $7,500; Permits: $2,800; Total: $68,300
Assumptions: region, specs, labor hours.
