Modular Buildings & Mobile Offices
for Rent and Sale in Dallas-Fort Worth

We offer a large selection of mobile office sizes and floor plans. Choose from 8-foot, 10-foot, and 12-foot-wide units. Every office uses strong materials and meets state and national codes. They last for years. See sizes and layouts on our mobile office trailers page.

Our modular buildings are a smart, low-cost fix for short-term or permanent space. They stand alone, or attach to a building you have. Each unit is built tough and sets up fast. Explore our modular buildings for rent and sale.

Conex office units give job sites a secure, flexible workspace. Rent or buy them, and move them as your site moves. Their small, sturdy design suits crews on the go. Learn more about our shipping container offices.

Our conex restrooms are built for easy upkeep and daily use. Each unit has stainless steel toilets, sinks, and urinals, plus waterproof, slip-resistant floors. They clean fast and hold up under heavy traffic. See our portable restroom units.

Keep your crew safe with our prefab guard booths. Customize each one for clear sightlines, access control, and comfort. View our guard shacks and security booths.

Bring your plan to life with a fully custom office. Texas State Modular builds tough units that match your layout and workflow. Start a custom modular build.

We supply decks, ramps, and steps for quick, safe access to your building. Standard and custom sizes both work. See our ADA decks and ramps.

Add-ons improve the safety, comfort, and use of your container unit. Choose from electrical upgrades, ventilation, security features, and more. Each one fits your setup.