Commercial auto for the grading, paving, repair and supply fleets based along Fontana's freeway and rail corridors, from a single dump truck to a yard of fifty units.
Quick answer
Fontana fleets run heavier than most: dump trucks, equipment trailers, service bodies and flatbeds working warehouse pads, road jobs and industrial sites. They can all go on one commercial auto policy starting from a $1 million combined single limit, with each unit listed at its real weight and generally rated at its yard or take-home address.
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The City of Fontana credits its role in the supply chain to its location where the I-10, the I-15 and SR-210 converge and to the Union Pacific Railroad. The Census Bureau's ZIP Code Business Patterns back that up: About 1,122 transportation and warehousing, wholesale and repair businesses have a Fontana postal address, and about 653 of them are in transportation and warehousing, with about 254 wholesalers and 215 repair shops.
Construction is the other half of the picture. About 319 construction businesses carry a Fontana postal address, and the California Department of Finance counted 60,852 housing units on January 1, 2026, 971 more than a year earlier, with population up 0.6% to 219,774. Pads for warehouses and tracts keep single-axle and tandem dump trucks and equipment trailers behind work trucks moving, and our strongest markets are units rated 45,000 lbs GVWR and under.
Weight also shapes who can drive. Under DMV rules, a truck rated over 26,000 lbs generally calls for a Class B license, and so does any three-axle truck over 6,000 lbs, even one rated under 26,001 lbs. Hook a trailer over 10,000 lbs behind a truck, and once the combination is rated 26,001 lbs or more, the driver typically needs a Class A, so the driver list should match the vehicle list. The requirements page for California trucks covers the permits and filings that can follow from weight.
Official sources
Our commercial auto overview for contractors explains how a mixed fleet shares one policy. These trade pages go deeper on the work Fontana fleets do most.
Pad grading for warehouses and tracts between the I-10 and SR-210.
Grading fleets in FontanaTruck courts, parking lots and street work with dumps and crew pickups.
Paving fleets in FontanaMobile mechanics and crane-body trucks serving fleet yards in south Fontana.
Equipment repair trucks in FontanaRigs fabricating and repairing steel at industrial sites near the rail lines.
Welding rigs in FontanaTrucks and trailers keeping up the grounds around distribution centers.
Landscaping trucks in FontanaFontana sits between two east–west freeways, the I-10 through the south end and SR-210 through the north, with the I-15 along the west side running up past north Fontana toward Devore and the Cajon Pass. Sierra Avenue is the main north–south street, Cherry and Citrus avenues connect the warehouse districts to the I-10, and Valley Boulevard, Slover Avenue and Jurupa Avenue serve the industrial south end. Foothill Boulevard, the old Route 66, crosses the middle of town.
Most Fontana contractors keep dumps and trailers in a yard rather than at home, since a loaded dump or a 20-foot equipment trailer is hard to park on a residential street, and yards in Rialto, Bloomington and Jurupa Valley serve the same work. A truck that leaves before dawn for a pad in Beaumont or a road job over the Cajon Pass piles up miles fast, so underwriters usually ask for radius and daily mileage on each unit.
Those miles run beside heavy freight on the I-10 and I-15, which is why carriers tend to look closely at driver records and at whether trucks carry forward cameras. The Inland Empire fleet insurance guide covers the wider region, and how a yard of 11 to 25 trucks is underwritten is the next step for a growing contractor.
Earthquake is the low-odds, high-cost hazard for a Fontana fleet: The USGS ShakeOut scenario, a modeled magnitude 7.8 earthquake on the southern San Andreas Fault, lists the I-15 in the Cajon Pass among the most critical road crossings, with up to 2.38 meters of displacement, places the most concentrated highway bridge damage in San Bernardino along the I-10, I-15, I-215, SR-30 and SR-138 and expects road damage from fault rupture to take two or more months to repair.
For a yard full of dumps, that means deciding in advance where trucks park, how drivers reach them and which jobs can wait, and how an earthquake would hit a fleet's yards and routes walks through it. Whether earthquake damage to a parked truck is paid generally turns on the causes of loss the physical damage section of your policy covers for that unit; a truck carried for liability only usually has none.
Official sources
Fontana also has a dedicated page for Fontana dump trucks, written for owners whose fleet is mostly dumps.
That depends on the physical damage coverage on the unit and the causes of loss it includes. A Fontana dump carried for liability only generally has nothing to pay for its own repair, after a quake or anything else.
A Fontana yard adds a tandem dump, or hooks a heavier equipment trailer behind a work truck, and leaves the driver list alone. A Class C driver then ends up running a unit that typically calls for a Class B or Class A license.
One radius for the whole Fontana yard rarely fits. A dump hauling to a pad in Beaumont or a road job over the Cajon Pass logs far more miles than one working warehouse pads close by, and underwriters often ask unit by unit.
Where each Fontana truck's GVWR lands largely decides which drivers may run it, which markets are willing to write it and which permits or filings follow. A misstated rating can unsettle all three at once.
Timing depends on the carriers and your loss history.
Have ready: vehicle list with VINs, driver list, current declarations page, loss runs.
We write commercial auto and fleet policies for businesses that garage vehicles in Fontana and the communities around it. These are the 35 cities and 68 ZIP codes within about 20 miles of central Fontana. A yard or driver farther out is fine too, as long as the vehicles are based in California.
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Fleet quotes for California businesses running up to 50 trucks and vans.