
In Seattle, renting a trench box in 2025 typically costs between $150–$300 per day, $600–$1,200 per week, and $1,800–$3,500 per month. These rates vary based on the size and type of trench box required for your project. Leading vendors in Seattle provide a range of options suitable for different excavation needs.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| United Rentals | $150–$300 | $600–$1,200 | 8 | Visit |
| Sunbelt Rentals | $223–$1,000 | $608–$3,000 | 7 | Visit |
| Coker Rental Company | $250 | $650 | 7 | Visit |
| Rasmussen Equipment | $185 | $550 | 7 | Visit |
Several factors affect the rental costs of trench boxes, including the depth and width of the trench, the duration of the rental, and any additional features such as adjustable panels or custom sizes.
When renting a trench box, be aware of potential hidden fees. These can include delivery and pick-up charges, which may be flat or based on mileage. Fuel surcharges, damage waivers, and cleaning fees for concrete or mud can also add to the total cost. Late-return penalties and overtime hours should be considered as well.

The Seattle market for trench box rentals is competitive, with several vendors offering flexible terms and a variety of equipment. It's crucial to compare options and understand the full scope of costs involved. Additionally, ensure compliance with local safety regulations to avoid fines and ensure worker safety.
Adhering to OSHA standards and local regulations is essential when using trench boxes. Proper installation and usage are critical to maintaining safety on the job site.