Hot mix asphalt plant · Santa Margarita, CA
Santa Margarita Asphalt
Operated by Martin Marietta
16815 North El Camino Real, Santa Margarita, CA 93453
- Details checked September 28, 2026
- Sells to outside contractors
- On the Caltrans approved-plant list
Martin Marietta’s Santa Margarita Asphalt plant supplies hot mix asphalt for commercial, municipal and highway paving projects throughout San Luis Obispo County and the Central Coast. The fixed batch plant can incorporate recycled asphalt pavement and produces mixes for contractor and public works applications. Customers can contact the plant or sales representative for current mix availability, pricing and pickup schedules.
Before you call
Plant details
- Operator
- Martin Marietta
- Address
- 16815 North El Camino Real, Santa Margarita, CA 93453
- County
- San Luis Obispo County
- GPS coordinates
- 35.41734, -120.60432
- Phone
- (805) 510-2001
- Sales contact
- Joel Cabreros · (805) 391-3087
- Hours
- Mon - Fri | 7:00 AM - 3:30 PM
- Season
- Call ahead to confirm current production schedule, mix availability and holiday hours.
- Outside sales
- Sells to outside contractors
- DOT status
- On the Caltrans approved-plant list
- Plant type
- Fixed hot mix asphalt plant
- Website
- martinmarietta.com
- Plant page
- The operator’s page for this plant
- Details checked
- September 28, 2026
“Details checked” is the date someone at The Pavement Directory last confirmed the phone, hours and sales policy against the operator. It is not an endorsement of the plant or its mix.
What it makes
Mixes and products
- Hot Mix Asphalt (HMA)
- Type A Hot Mix Asphalt
- Reclaimed Asphalt Pavement (RAP) mixes
- Warm Mix Asphalt (WMA)
- where specified
- Caltrans specification asphalt mixes
- Commercial asphalt mixes
The operator’s own list. Not every mix runs every day, so name the mix and the tonnage when you call, and ask when it is next on the schedule.
If this plant cannot supply you
Other asphalt plants near Santa Margarita Asphalt
3 other plants within 45 miles (about 1 hour by truck), measured in a straight line from this plant. Road distance is always longer.
- Calportland Construction - TempletonPaso Robles, CA13 mi~17 min
- Calportland Company Garey PlantSanta Maria, CA · permit record, not yet reviewed40 mi~54 min
- Sisquoc Sand, Rock and Gravel PlantSanta Maria, CA · permit record, not yet reviewed42 mi~56 min
Santa Margarita Asphalt: common questions
Does Santa Margarita Asphalt sell asphalt to outside contractors?
Yes. Santa Margarita Asphalt sells hot mix to outside contractors. Call (805) 510-2001 to confirm account, pickup and delivery terms before your first order.
How do I order asphalt from Santa Margarita Asphalt?
Ask for Joel Cabreros in sales at (805) 391-3087. Have the mix, tonnage and pickup date ready, and ask what a first-time account needs.
What are Santa Margarita Asphalt's hours?
Mon - Fri | 7:00 AM - 3:30 PM. Call ahead to confirm current production schedule, mix availability and holiday hours.
What asphalt mixes does Santa Margarita Asphalt make?
Santa Margarita Asphalt lists Hot Mix Asphalt (HMA), Type A Hot Mix Asphalt, Reclaimed Asphalt Pavement (RAP) mixes, Warm Mix Asphalt (WMA), where specified, Caltrans specification asphalt mixes and Commercial asphalt mixes. What runs on a given day depends on the plant's schedule, so confirm your mix when you order.
Is Santa Margarita Asphalt Caltrans-approved?
It was on the Caltrans approved-plant list when this record was last checked, on September 28, 2026. Approvals lapse and renew, and a public job still needs its own mix design approved, so confirm both before you bid.
Where is Santa Margarita Asphalt?
16815 North El Camino Real, Santa Margarita, CA 93453, in San Luis Obispo County. The nearest other plant in this directory is Calportland Construction - Templeton in Paso Robles, about 13 miles away in a straight line.
Who operates Santa Margarita Asphalt?
Martin Marietta operates Santa Margarita Asphalt.
Confirm before you haul: Hours, mix availability, sales policy and DOT approvals change, sometimes week to week. Call the plant before you schedule trucks. The Pavement Directory is an independent directory and is not affiliated with Martin Marietta.