Cost of Grading and Excavation in Ontario, CA — 2026 Price Guide
Ontario, a San Bernardino County community of 175,265 in the Southern California, has its own set of considerations when it comes to grading and excavation. In 2026, the typical cost runs about $3,290 per project, though prices can vary. Here's everything you need to know.
2026 Grading and Excavation Cost in Ontario, CA
| Cost Level | Price (per project) | What to Expect |
|---|---|---|
| Budget / Low-End | $940 | Basic scope, standard materials, smaller projects |
| Average / Mid-Range | $3,290 | Typical project scope with quality materials |
| Premium / High-End | $9,400 | Large scope, premium materials, complex projects |
Prices are estimates for Ontario, CA in 2026 and reflect local market conditions in San Bernardino County County. Your actual cost will depend on the specifics of your project.
Factors That Affect Grading and Excavation Cost in Ontario
Several factors determine what you'll pay for grading and excavation in Ontario. Understanding these helps you budget accurately.
- Area size and volume of earth to move
- Complexity of the grading plan
- Soil type and conditions
- Whether fill dirt needs to be imported or exported
- Equipment access and site conditions
- Compaction requirements
- Permit and engineering plan costs
What Ontario Homeowners Should Know
Grading and Excavation projects in Ontario typically require a permit from San Bernardino County. Your contractor should handle the permit application.
Always verify your Ontario grading and excavation contractor's CSLB license at cslb.ca.gov before signing a contract.
How to Save Money on Grading and Excavation in Ontario
Getting the best deal on grading and excavation in Ontario comes down to timing, preparation, and knowing what to ask.
- Combine with other construction projects for better rates
- Get a clear grading plan before starting work
- Schedule during dry months for easier work
- Keep excavated soil on-site when possible
- Compare equipment rental vs. hiring a contractor
Frequently Asked Questions
How much does grading and excavation cost in Ontario, CA?
The average cost of grading and excavation in Ontario is approximately $3,290 per project in 2026. Prices range from $1,000 to $10,000 depending on project scope.
How long does grading and excavation take in Ontario?
Most grading and excavation projects in Ontario take 1-5 days to complete. Factors like project complexity and weather in San Bernardino County can affect the schedule.
Do I need a permit for grading and excavation in Ontario?
Yes, grading and excavation projects in Ontario typically require a permit from San Bernardino County.
How do I choose a grading and excavation contractor in Ontario?
Get at least three quotes from Ontario contractors, verify their CSLB license, check reviews, and never pay more than 10% or $1,000 upfront.
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