
Renting a mini excavator in San Diego for retaining wall construction in 2026 typically costs between $200–$400 and $400, $800–$1,500, and $2,500–$4,000. 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 | $297 | $735 | 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 2026, 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.
When planning a mini excavator rental for retaining wall construction in San Diego, consider the specific needs of your project. The duration of the rental should align with the project timeline, accounting for potential delays. Ensure the excavator is equipped with the necessary attachments for efficient digging and material handling. Plan for delivery and pickup logistics to minimize downtime, and coordinate with your crew to streamline workflow and avoid scheduling conflicts.
Tip: Schedule equipment delivery during off-peak traffic hours to avoid delays and additional costs.