Below the north face of Mount Diablo
Asphalt Paving in Clayton, CA
A small hillside town where runoff and slope shape each driveway.
- No-cost site visit and written estimate
- Slope, drainage and base depth spelled out in every quote
- Encroachment permit and HOA questions sorted out before scheduling
Paving in Clayton
Asphalt paving in Clayton involves hillside lots at the foot of Mount Diablo. The town, founded in 1857 by Joel Clayton and incorporated in 1964, sits at about 390 feet and gets about 20.12 inches of precipitation a year. Its land area more than doubled in 1987 with annexations including Keller Ranch, which was developed in the 1990s as the Oakhurst Country Club community. Those driveways are now due for maintenance or replacement.
Slopes
Runoff from the mountain crosses many lots. We grade driveways to carry water away and support downhill edges.
Oakhurst
Many Oakhurst driveways are around 25 to 30 years old. We check whether an overlay will hold or whether the base needs rebuilding.
Weather
Clayton's record high is 115 degrees and its record low 15. Snow fell on December 7, 2009, for the first time since the 1970s.
At the street
We check the City of Clayton's current requirements for approach work.
Typical Clayton projects
Most Clayton work falls into two groups. Older homes near the historic downtown, where the town grew during the coal mining boom of the 1800s, have smaller lots and older driveways that often need full replacement. Oakhurst and other neighborhoods from the 1990s have driveways that are mostly sound but aging; crack sealing, sealcoat and selective repairs keep them going, and overlays make sense where the surface is worn but the base is good. On both, the slope toward the street and runoff from the mountain need attention. Clayton incorporated in 1964 partly to avoid annexation by Concord, and it remains a small town of about 11,000 residents where neighbors notice good work.
Seasons
Clayton is wetter than the valley floor, so crack sealing before winter matters more, and paving waits for dry ground.
Call (925) 302-2456 or
.Clayton Details That Affect Paving
- Foot of Mount Diablo. Clayton is at the foot of Mount Diablo at about 390 feet.
- Oakhurst. Clayton's land area more than doubled in 1987 with annexations including Keller Ranch, later developed as the Oakhurst Country Club.
- Climate. Clayton averages 20.12 inches of precipitation; its record high is 115 degrees and record low 15.
- Small town. Clayton had 4,165 housing units at the 2020 census.

Clayton Questions
Can an Oakhurst driveway be overlaid?
If the base is sound. We check before recommending it.
How do you handle mountain runoff?
With cross-slope, berms, curbs or drains.
Do you seal steep driveways?
Yes, with sand added for traction.
My Oakhurst driveway has a few cracks. What should I do?
Fill them before the rainy season and sealcoat once the cracks are sealed.
Do you pave older downtown Clayton properties?
Yes, including narrow driveways that need smaller equipment.
Free Estimates in Clayton, CA
No-cost estimates for asphalt paving in Clayton.
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