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Portable and Versatile Office Space in Casselberry
Mobile Box offers container offices for rent in Casselberry and throughout Seminole County. Smaller units are perfect for temporary offices or on-site project management, while larger units are ideal for meeting spaces or multiple workstations. You can choose from a wide range of standard floor plans to meet your specific office trailer needs.
Container office rentals are in stock and available for quick delivery to Casselberry, FL. Rent Now!
Casselberry Container Office Rentals Standard Features
Easy to Move: Designed for effortless relocation, allowing for simple repositioning or movement to a different location.
Ground-Level Access: Provides easy entry and exit without the need for steps or ramps.
Secure and Watertight: Prevents water infiltration and unauthorized access.
Heavy-Duty Construction: Made from 16-gauge steel for enhanced durability.
Weatherproof: Built to withstand harsh weather conditions, offering protection from strong winds and rain.
Climate Control: Maintains a stable temperature for comfort and efficiency.
Container Office Rental Options in Casselberry
We offer the following container offices for rent in Casselberry, Florida:
20' Full Office: A compact and versatile workspace solution combining functionality and portability.
40' Full Office: This spacious unit is highly adaptable and ideal for businesses or projects that require a larger, more permanent workspace.
40' Combo Container Office & Storage: This unit is designed as an all-in-one solution, combining office space and storage within a single 40-foot container.
Available Support Equipment
Add optional support equipment to enhance your Casselberry container office.




Container Office Rental Electrical Requirements
Electric Service Requirements
- Container offices require a 220V single-phase power supply. To ensure safe and effective operation:
- A certified electrician must perform all hookups.
- The supply amperage must meet or exceed the minimum rating indicated on the office electrical panel.
Generator Sizing Requirements
If connecting a container office to a generator, please ensure the following minimum specifications are met:
- Voltage: 220V
- Disconnect: 125 Amp Minimum
- Generator Size, Standard Requirement: 30 kW (or 30 kVA)
- Wire Size: Must meet local building codes for minimum ampacity.
WARNING: Only a licensed electrical contractor should make electrical connections. Failure to comply with the requirements above may result in insufficient voltage, equipment failure, and potential customer back-charges.



