Standard Driveway Sizes & Costs (2026)
Typical installed costs including materials and labor at national average pricing:
| Type | Dimensions | Sq Ft | Asphalt Cost | Concrete Cost | Gravel Cost |
|---|---|---|---|---|---|
| Single car | 10×20 ft | 200 | $900–$1,400 | $1,600–$3,000 | $200–$600 |
| Standard single | 12×20 ft | 240 | $1,100–$1,700 | $1,900–$3,600 | $240–$720 |
| Double car ⭐ | 20×20 ft | 400 | $1,800–$2,800 | $3,200–$6,000 | $400–$1,200 |
| Wide double | 24×20 ft | 480 | $2,200–$3,400 | $3,800–$7,200 | $480–$1,440 |
| Large double | 20×30 ft | 600 | $2,700–$4,200 | $4,800–$9,000 | $600–$1,800 |
| Triple car | 30×20 ft | 600 | $2,700–$4,200 | $4,800–$9,000 | $600–$1,800 |
| Extra large | 24×40 ft | 960 | $4,300–$6,700 | $7,700–$14,400 | $960–$2,880 |
How Much Does a 20×20 Asphalt Driveway Cost?
A 20×20 asphalt driveway costs $1,800–$2,800 installed in 2026, with a national average of approximately $2,200. This covers 400 square feet at $4.50–$7 per square foot including materials and professional labor.
| Cost Component | Low | Average | High |
|---|---|---|---|
| Asphalt material | $720 | $900 | $1,120 |
| Labor & equipment | $480 | $700 | $880 |
| Base prep / grading | $200 | $400 | $600 |
| Removal of old surface | $0 | $200 | $400 |
| Total (20×20) | $1,800 | $2,200 | $2,800 |
Regional variation: Expect $2,160–$3,360 in the Northeast, $1,620–$2,520 in the Southeast, and $2,340–$3,640 on the West Coast. Use the calculator above to adjust for your region.
What Size Driveway Do I Need?
The right driveway size depends on how many cars you need to park and whether they'll be side-by-side or tandem (one behind the other):
| Configuration | Min Width | Comfortable Width | Length |
|---|---|---|---|
| 1 car | 8 ft | 10–12 ft | 18–20 ft |
| 2 cars side-by-side | 16 ft | 20–24 ft | 18–20 ft |
| 2 cars tandem | 10 ft | 12 ft | 36–40 ft |
| 3 cars | 24 ft | 30 ft | 18–20 ft |
Add 2 feet on each side if you want comfortable door clearance. If you have an SUV or truck, aim for 12 ft minimum width per lane. Always check local zoning setback requirements before construction — many municipalities require at least 5 feet from the property line.
What Affects Driveway Cost?
- Thickness: A 2-inch asphalt driveway costs ~15% less than 3-inch, but won't last as long under heavy vehicles. 4-inch adds ~18% to the base cost but is ideal for areas with harsh winters or heavy trucks.
- Removal of old driveway: Demolition and hauling away an existing concrete or asphalt surface adds $1–$2 per square foot ($400–$800 for a 20×20).
- Slope and grading: Significant slope changes or poor drainage require grading work at $50–$200 per hour. Budget $200–$1,000 extra for sloped sites.
- Soil conditions: Soft, wet, or clay-heavy soil requires more sub-base material and additional compaction, adding $0.50–$2 per square foot.
- Drainage: Adding a drain or French drain along the driveway edge adds $500–$2,000 depending on length and complexity.
- Edging and curbing: Concrete curb edging adds $5–$10 per linear foot and significantly extends driveway life by preventing edge crumbling.