Driveway Cost by Size

“One-car” and “two-car” are handy labels, but they are not measurements. A 20-by-20-foot parking pad is 400 square feet. Add a 12-by-40-foot approach and the job grows to 880 square feet before counting the apron, curves, or a turnaround.

For rough 2026 planning, this guide uses $5-$13 per square foot for a new standard asphalt driveway. Replacement work can cost more, especially when the job includes poor soil, drainage repairs, a thicker pavement section, or difficult truck access. An overlay may cost less, but only when the existing pavement and base are sound enough to support it.

Cost table by actual paved area

These values are arithmetic scenarios, not market averages or quotes. The mid scenario exists to make comparisons easier, not to predict what a local contractor will charge.

Common layouts and why labels mislead

Real projects combine these shapes. A two-car garage does not mean a 400-square-foot driveway if there is a long approach. Conversely, a short urban driveway can have a small area but a high unit price because crew mobilization and handwork remain.

Build the estimate in five steps

1. Split the pavement into simple shapes

Use rectangles for straight sections, triangles for flares, and circles or semicircles for turnarounds. Measure each separately. Do not count lawn or landscaping inside the outline.

2. Calculate each area

• Rectangle: length × width
• Triangle: (base × height) ÷ 2
• Circle: 3.1416 × radius²
• Semicircle: (3.1416 × radius²) ÷ 2

Add all areas. If dimensions are in feet, the answer is square feet.

3. Decide which project type applies

Do not use a new-installation rate for a replacement without including removal and disposal.

4. Run more than one scenario

Use a low, middle, and high rate rather than a single number. The range makes hidden assumptions visible. Then add known separate items such as drainage structures, permits, or landscape restoration.

5. Validate with itemized bids

Give each contractor the same sketch, approximate area, desired use, and known drainage concerns. Ask each to state measured area, removal, compacted base and asphalt thickness, drainage plan, transitions, and exclusions.

Examples

Example A: short two-car driveway

• Parking pad: 22 × 22 = 484 sq. ft.
• Street flare: 8 × 4 ÷ 2 = 16 sq. ft.
• Total: 500 sq. ft.
• Planning range at $5-$13: $2,500-$6,500

Example B: two-car pad with approach

• Parking pad: 24 × 24 = 576 sq. ft.
• Approach: 12 × 45 = 540 sq. ft.
• Two triangular flares: 2 × (6 × 5 ÷ 2) = 30 sq. ft.
• Total: 1,146 sq. ft.
• Planning range at $5-$13: $5,730-$14,898

Round preliminary budgets rather than treating the last dollar as precise. The calculator should display about $5,700-$14,900, then explain what could change it.

Example C: circular turnaround

A 30-foot-diameter circle has a 15-foot radius:

3.1416 × 15² = about 707 square feet

If a 12-by-60-foot lane feeds the circle, add 720 square feet for a combined 1,427 square feet. Subtract any center island only if it will not be paved.

Why larger projects are not always proportionally more expensive

Unit prices may decline as area increases because trucking, equipment delivery, setup, and crew mobilization are spread across more pavement. But a large project can still have a high unit price when it includes heavy excavation, retaining work, steep grades, extensive drainage, thick pavement, or difficult truck access.

Small patches can have especially high per-square-foot prices because a paving crew and equipment must still reach the site.

Size does not define thickness

A 1,000-square-foot driveway used by passenger vehicles and the same area used by delivery trucks do not require the same design. Soil support, water, freeze-thaw exposure, vehicle loads, and turning movements matter. Ask for compacted layer thicknesses and a written pavement section. See Asphalt Driveway Thickness and Base.

Estimate accuracy checklist

• Include the approach, apron, parking pad, flares, and turnaround.
• Measure the proposed outline, including any changes to the existing pavement.
• Confirm where work stops at the street or right-of-way.
• Identify drains, utility covers, steps, walls, and garage thresholds.
• Note steep or soft areas and where water sits after rain.
• Distinguish removal, overlay, and new installation.
• Keep permit, drainage, and restoration allowances visible.
• Treat aerial/map measurement as preliminary; field-verify before ordering work.

Sources and methodology

• Angi: Asphalt driveway cost
• HomeGuide: Asphalt driveway cost
• Illinois Asphalt Pavement Association: Driveways

Editorial note: Price sources were reviewed July 21, 2026. Dimensions are examples, not building-code requirements. Verify site geometry, permits, setbacks, and local pricing.