Asphalt Driveway Cost in Sonoma County
Cost · Sonoma County, CAWhat Your Driveway Costs
A new asphalt driveway in Sonoma County runs about 7 to 13 dollars a square foot installed. The final number depends on size, base depth and the ground under it. Use the calculator below for an instant range.
Estimate your driveway cost
How to use it: enter your driveway width and length (or total square feet), pick your project type, and set your soil zone. The tool returns the asphalt tonnage and a Sonoma County price range. Clay soil adds base and cost.
2026 Sonoma County price ranges
| Work | Typical range |
|---|---|
| New asphalt driveway | 7 to 13 dollars per sq ft |
| Repave or replace driveway | 7 to 13 dollars per sq ft |
| Overlay on a sound base | 3 to 7 dollars per sq ft |
| Sealcoating | 15 to 35 cents per sq ft |
What moves the price
The number changes with the size of the driveway, the asphalt thickness, the depth and condition of the base, the soil and drainage, the site access and slope, and whether an old surface has to be removed. Poor soil or bad drainage can add 15 to 25 percent, because the ground needs more work before paving. A low bid usually cut the base, which forces an early repave, so the cheapest quote is rarely the cheapest driveway over time.
Driveway cost questions
In Sonoma County, about 7 to 13 dollars a square foot installed, depending on size, base and soil.
Yes, asphalt usually costs less upfront and installs faster. Concrete lasts longer but costs more.
Base depth and drainage. A higher quote often means a deeper, properly packed base that lasts longer.
Yes, poor soil and slope can add 15 to 25 percent because the ground needs more prep.
Similar to a new one if it needs a full tear-out, less if the base is sound and it only needs an overlay.
Yes, we measure the driveway on site and send a clear written price at no cost.
Why homeowners get a real number from us
Get your exact driveway price
Run the calculator for a range, then book a free on-site visit. We measure the driveway, check the soil and drainage, and turn the estimate into a real written price.
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