
Renting a mini excavator in San Diego for retaining wall construction in 2025 typically costs between $200 and $400 per day, $800 to $1,500 per week, and $2,500 to $4,000 per month. These rates vary based on the model, size, and additional attachments required. Leading rental companies in San Diego provide a range of options suitable for different project scales.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| United Rentals | $331 | $748 | 8 | Visit |
| Sunstate Equipment Co. | $325 | $750 | 7 | Visit |
| DOZR (via national/local partners) | $325 | $750 | 8 | Visit |
| Budget Excavator Rental | $312 | $772 | 7 | Visit |
Several factors affect the rental costs of mini excavators, including the machine's size, the duration of the rental, and any additional attachments needed. Seasonal demand and availability can also impact pricing.
When renting a mini excavator, be aware of potential hidden fees such as delivery and pick-up charges, which may be flat or mileage-based. Fuel surcharges, damage waivers versus full insurance, cleaning fees for concrete or mud, late-return penalties, and overtime hours can also add to the total cost.

The rental market for mini excavators in San Diego is expected to remain competitive in 2025, with a steady demand driven by construction projects like retaining walls. Companies are likely to offer flexible rental terms and competitive pricing to attract customers.
Ensure compliance with local regulations when operating mini excavators. Proper training and certification may be required for operators, and adhering to safety standards is crucial to avoid fines and ensure project safety.