About these numbers: They're typical 2026 ranges for budgeting. Asphalt prices track oil, and foothill sites vary a lot with slope, rock, access and drainage. Your written estimate is based on your property.
Typical ranges
| Project | Typical range | Notes |
|---|---|---|
| New asphalt driveway, flat or gentle | $5 – $9 / sq ft | Excavation, base, hot-mix |
| Hillside / steep driveway | $7 – $12 / sq ft | Cut work, drainage, edge support |
| Gravel to asphalt | $4 – $7.50 / sq ft | Less when gravel is reusable |
| Chip seal (double) | $2 – $4 / sq ft | Over prepared base |
| Recycled millings, compacted | $1.50 – $3 / sq ft | Graded, watered, rolled |
| Driveway culvert, installed | $1,500 – $5,000+ | Size, length, depth and rock protection |
| Overlay / resurfacing | $3 – $5 / sq ft | Sound base required |
| Sealcoating | $0.25 – $0.50 / sq ft | Minimum on small jobs |
| Crack sealing | $1 – $3 / linear ft | Hot-pour |
| Edge / pothole repair | $6 – $12 / sq ft | Full-depth; minimum applies |
Example projects
| Project | Size | Approx. cost |
|---|---|---|
| Steep drive + parking pad | ~1,400 sq ft | $9,800 – $16,800 |
| Long rolling drive, chip seal | 12 × 500 ft (6,000 sq ft) | $12,000 – $24,000 |
| Same drive, asphalt | 6,000 sq ft | $30,000+ |
| Shared road, 4 homes, chip seal + 1 culvert | ~1/4 mile | Often split to a few thousand per lot |
Why foothill projects vary
Slope and rock
Steep cuts and rock outcrops add equipment time.
Drainage
Ditches, culverts and rock outlets are often the difference between a cheap job and a lasting one.
Access and distance
Narrow, steep roads and longer hauls from the asphalt plant add cost; scheduling multiple jobs nearby helps.
Size
Bigger projects cost less per square foot.
Ways to save
- Use chip seal or millings on long, gentle stretches
- Reuse good gravel in a conversion
- Share a road project with neighbors — see the road association guide
- Protect what you have with crack sealing and sealcoating
Questions & answers
Why do steep drives cost more?
More excavation and shaping, more drainage work, thinner base lifts and more careful paving on the grade.
Is chip seal really half the cost of asphalt?
Often roughly, per square foot — the gap matters most on long drives.
Are estimates free?
Yes. We walk the property and give you a written estimate.