City pavement directory
Find asphalt, concrete, sealcoating, striping, and parking lot maintenance contractors serving Santa Clarita and the surrounding area. Press Compare on up to four to see their services, licensing, and insurance side by side.
Directory listings
Santa Clarita, California
Asphalt Paving · Concrete Sitework · Asphalt Maintenance · Commercial & Residential
Santa Clarita Paving is a paving contractor serving residential and commercial properties throughout Santa Clarita and surrounding communities in Southern California.
Santa Clarita, California
Asphalt Paving · Sealcoating · Concrete Sitework · Commercial & Residential
Pioneer Paving & Landscaping provides asphalt paving, concrete work, seal coating, striping, fine grading, milling, and ADA compliance services.
Santa Clarita, California
Asphalt Paving · Concrete Sitework · Commercial & Residential
PremierPath Paving & Landscaping is a Santa Clarita, California contractor that handles both the hardscape and the green side of outdoor property improvement.
Local field notes
There is essentially no freeze-thaw cycle here, so the usual northern explanation for potholes does not apply. What the climate does is bake the surface for months and then soak it in a short wet season. Long, hot, dry summers age the asphalt binder and open fine cracks; December through March then delivers most of the year's rain, often in heavy bursts, and that water reaches any base the cracks have exposed. Summer is also the only practical window for most sealing and striping work.
NOAA 1991-2020 climate normals for the Newhall 5NW cooperative station, roughly 3 miles from the center of Santa Clarita by the station's published coordinates. Conditions vary across a city that spans more than 70 square miles and several hundred feet of elevation, so treat these as a close local benchmark rather than a measurement taken at a particular lot.
Under the pavement
Santa Clarita sits on the floor and margins of a structural valley that has been filling with sediment for millions of years. Recent sand, gravel and cobble alluvium lies along the Santa Clara River and its tributary canyons, and most of the surrounding hills are the Pliocene-Pleistocene Saugus Formation, a loosely consolidated sandstone and conglomerate with clay and clayey lenses. The practical result is that conditions change quickly from the river bottom to the hillsides, and the hillside ground is the part that moves.
What fails here
Gray, dry-looking asphalt that has lost its black color, loose stone at the surface, and a web of fine cracks, most visible on lots and cul-de-sacs that get full sun all day.
Likely causes
When to get it looked at: Preservation treatments pay off while the base is still sound. The city itself treats slurry seal as maintenance and overlay as the rehabilitation that follows when damage is extensive; a lot that is already cracked in a connected pattern has moved past what a seal coat can fix.
Interconnected chicken-wire cracking in the wheel paths, then broken pieces that come out and leave potholes after a stretch of heavy rain.
Likely causes
When to get it looked at: Fatigue cracking starts at the bottom of the asphalt layer and works upward, so by the time it shows at the surface the damage is structural. Patching the surface of an alligator-cracked area usually fails; the repair is removal and rebuilding of the section, with the cause of the water entry fixed.
Ridging, dips and long cracks that follow a slope or a grade change, and roads that stay bumpy no matter how often they are patched.
Likely causes
When to get it looked at: If the same dip or crack comes back after patching, or the lot sits on or below a slope, a geotechnical opinion is cheaper than a second repair. Moving ground does not hold a surface patch.
Washed-out edges, sediment on the lot after storms, and standing water in low corners of lots near the river or at the mouth of a canyon.
Likely causes
When to get it looked at: Clear and inspect drainage before the first winter storm. A lot that floods repeatedly, or an edge being undercut, calls for a grading and drainage review before any more asphalt goes down.
Through the year
By April the rainy season is largely over (April averages under an inch). Spring is the time to find out what the winter did: map the potholes and the new cracking, and book the repairs for the dry months.
The working season for sealing, slurry, striping and overlays. July and August average a high of 94 to 96 degrees and effectively no rain, which suits curing, but fresh pavement stays soft and tracks in the afternoon heat, so schedule heavy truck traffic around it. The city runs its own Road Rehab slurry seal work through the summer.
September through November is still dry (about 1.45 inches across the three months), and October into November is the last comfortable window to seal cracks and clear drainage before December's rain begins.
December through February brings about 11 of the year's 17 inches, often in heavy bursts that run to an inch or more on a few days a year. Expect potholes where cracks were left open, and cold-patch what is unsafe; permanent repairs generally need dry weather.
For the statewide calendar, see the California paving season guide.
Local context
Santa Clarita incorporated in 1987 from four unincorporated communities, Valencia, Newhall, Saugus and Canyon Country, and is now the third-largest city in Los Angeles County. A large share of its commercial pavement comes from Valencia, a master-planned community begun by the Newhall Land and Farming Company in the 1960s.
Before you bid
California regulates stormwater at three levels: the state Construction General Permit during work, the Los Angeles County municipal permit that the city implements after work, and the city's own code. Routine resurfacing is treated differently from new or expanded pavement. None of this is legal advice; confirm with the City before a project is bid.
Local answers
Mostly heat, age and water rather than ice. Years of sun and 90- to 100-degree days oxidize the asphalt binder until the surface is stiff and brittle, and the winter rains then enter the cracks and soften the base. Add clay-rich ground in some hillside areas that shrinks and swells, and fatigue cracking in the wheel paths from heavy trucks, and a lot can crack well before it wears out.
NOAA's 1991-2020 normals for the Newhall 5NW station, about 3 miles from the city center, show roughly 87 days a year at or above 90 degrees and about 20 at or above 100. Almost no rain falls from June through September, and December through February brings about two-thirds of the 16.76-inch annual total. The two-thirds figure is our own division of published normals.
It does in places. Local geology descriptions document expansive clay in the Mint Canyon Formation around Vasquez Canyon and a landslide complex at Plum Canyon, and the Saugus Formation that underlies much of the valley contains clay lenses. Alluvium along the river is generally sand and gravel and behaves very differently. The Web Soil Survey and a geotechnical report are how a specific lot is checked.
Not usually for routine maintenance. The City's Chapter 17.95 treats redevelopment as creating, adding or replacing 5,000 square feet or more of impervious surface, and does not count routine maintenance or repaving an existing road on its current alignment. Rebuilding most of a lot, changing its footprint or adding pavement can bring in the low-impact-development rules, and a project that disturbs an acre or more needs state construction stormwater coverage. Confirm with the City first.
Its annual Road Rehab program uses traffic volume and the Pavement Condition Index, which scores cracking, potholes and other distress. Streets in the same area are grouped so they can be treated together, and the treatment is slurry seal for maintenance or overlay for rehabilitation. The current year's street list is on the City's Road Rehab page.
Last reviewed October 16, 2026. This is general information about Santa Clarita compiled from the public sources below, not engineering advice or a finding about any particular property. Soil, drainage and permit requirements vary parcel by parcel and by project, so confirm them with the town, the state agency and a qualified professional before work is scoped.
Regional field notes
Mediterranean climate (hot-dry summers, mild-wet winters)
Much of California has long, hot, dry summers and mild, wet winters. In summer, the sun dries out and ages asphalt. In winter, the rain arrives all at once and tests drainage. Inland and valley areas get the most heat and sun, while the coast stays milder but damper. So two things matter most here: sealcoating for sun protection, and good drainage for the wet season.
Months of strong, dry sun bake the binder out of asphalt, graying and embrittling the surface — especially in inland and Central Valley heat.
Most rain falls in a short wet season, so drainage systems face heavy demand all at once. Poorly graded lots flood and water works into every summer-formed crack.
Pavement dries and shrinks through summer, then takes on water in winter. That swing widens cracks, so sealing them before the rains matters.
Local property mix
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Before you hire: The Pavement Directory does not guarantee contractor performance, pricing, licensing, insurance, or availability. Business information may be submitted by contractors or gathered from public sources and should be independently verified before hiring. Always confirm licensing, insurance, references, scope of work, and written contract terms.
