
In Los Angeles, renting a diesel generator in 2025 typically costs between $150 and $400 per day, $600 to $1,500 per week, and $2,000 to $4,500 per month. These rates vary based on the generator's power capacity and brand. Leading rental companies in the area provide a wide range of options suitable for various industrial applications.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| Sunbelt Rentals | $180–$350 | $540–$1,050 | 8 | Visit |
| United Rentals | $180–$350 | $540–$1,050 | 7 | Visit |
| Herc Rentals | $180–$350 | $540–$1,050 | 7 | Visit |
| EquipmentRentalPros (local aggregator) | $104 | $262 | 6 | Visit |
Several factors affect the rental costs of diesel generators, including the generator's size, duration of hire, and additional services such as delivery and setup.
When renting a diesel generator, be aware of potential hidden fees. These can include delivery and pick-up charges, which may be flat or mileage-based, fuel surcharges, damage waivers versus full insurance, cleaning fees for dirt or mud, late-return penalties, and overtime charges.

The demand for diesel generators in Los Angeles is expected to remain strong in 2025, driven by ongoing construction projects and infrastructure upgrades. Rental companies are expanding their fleets to include more fuel-efficient and environmentally friendly models.
Ensure compliance with local regulations regarding emissions and noise levels when renting diesel generators. Many rental companies offer guidance to help navigate these requirements.