United States station directory
Petro Ontario Station Details
Petro Ontario is a Biodiesel station in Ontario, California (CA). The listing marks this location as public and open. It was last confirmed on June 12, 2026, but drivers should still check access, hours, pricing, and connector compatibility before visiting.
Station details
| Station name | Petro Ontario |
|---|---|
| Fuel type | Biodiesel |
| Address | 4325 E Guasti Rd, Ontario, CA, 91761 |
| City | Ontario |
| State | California (CA) |
| ZIP code | 91761 |
| Access | Public |
| Status | Open |
| Phone | +1‑909‑390‑7800 |
| Hours | 24 hours daily |
| Date last confirmed | 2026-06-12 |
| Last updated | 2026-06-12T17:24:06Z |
| Biodiesel blends | B20 |
Before you visit
Use these source-listed details to plan a visit to Petro Ontario. Call the station or check the network app when access, payment, or hours are important for your trip.
| Public access | Public |
|---|---|
| Current status | Open |
| Access hours | 24 hours daily |
| Phone | +1‑909‑390‑7800 |
| Payment cards | American Express, Cash, Credit card, Discover, Debit card, Mastercard, Visa |
| Access group | Public |
| Restricted access | No restriction reported |
Data freshness
Station details can still change, so check the operator or network app before relying on the listing.
| Freshness label | Recently confirmed |
|---|---|
| Date last confirmed | 2026-06-12 |
| Last source update | 2026-06-12 |
| Source station ID | 352619 |
Location context
These extra details help identify the station setting, parking area, or on-site access notes when the source provides them.
| Location type | Truck stop |
|---|---|
| Owner type | Privately owned |
| Maximum vehicle class | Medium-duty vehicles (class 3-6) |
Biodiesel station information
Biodiesel details can include the blend level reported for the station.
| Biodiesel blends | B20 Blend availability is source-reported and may vary by season or supplier. |
|---|
Fuel-specific fields are source-reported. Availability, compatibility, and pricing can change, so verify before visiting.
Map and directions
34.065605, -117.554952
Nearest Biodiesel stations
The nearby stations below are calculated from the latitude and longitude listed for Petro Ontario. Distances are approximate straight-line distances, not driving distance or travel time.
Also available at this location
The source links Petro Ontario with the related fuel station records below. These links help identify other fuels listed at the same or associated location.
Related station pages
Frequently asked questions
Where is Petro Ontario located?
Petro Ontario is listed in Ontario, CA. The address is 4325 E Guasti Rd, Ontario, CA, 91761.
What fuel is available at Petro Ontario?
The station is listed for Biodiesel.
Is Petro Ontario open to the public?
The station access is listed as Public, and its status is Open.
What are the access hours for Petro Ontario?
24 hours daily