
Renting a diesel generator in Los Angeles in 2026 typically costs between $150 and $400 per day, $600 to $1,500 per week, and $2,000 to $4,500 per month. Prices vary based on the generator's power capacity and additional features. Leading rental companies in Los Angeles provide a wide range of options suitable for various industrial applications.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| National Dispatching | $223 | $590 | 8 | Visit |
| Sunbelt Rentals | $309 | ≈≈$927 | 8 | Visit |
| Botros Mobile Solutions | $300 | $900 | 7 | Visit |
Several factors affect the rental costs of diesel generators, including the power output, duration of hire, and any 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 excessive dirt or mud, late-return penalties, and overtime charges.

The demand for diesel generators in Los Angeles is expected to remain strong in 2026, driven by construction projects and emergency power needs. 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 in Los Angeles. Rental companies typically provide guidance on meeting these requirements.
When planning a portable generator hire in Los Angeles, consider factors such as the duration of the rental and the specific power requirements of your project. Ensure that the generator's capacity matches your needs and that any necessary accessories, like power distribution panels or cables, are included. Coordinate delivery and pickup to align with your project timeline, and plan for proper staging to facilitate easy access and operation. Rental companies often offer flexible terms to accommodate varying project lengths.
Tip: To avoid additional charges, ensure the generator is returned clean and in good condition, and adhere to the agreed-upon pickup schedule.