API’s modular buildings are constructed off-site using the same materials and designed to the same building codes & standards as on-site builds. Modular buildings of any size are built in our factory in modules then delivered and completed on site by our qualified team.

API Trailers has years of experience providing cost-effective, well designed modular buildings to our customers throughout California.

Our pre-fabricated modular buildings, can be used for many purposes, including, but not limited to:
- office space
- sales offices
- portable classrooms
- residential homes
- commercial buildings
- retail space
- senior centers
- senior centers
- churches
- government buildings
- cabins
- barracks
- tasting rooms
- fire stations
- court rooms
- addition to your existing building
Custom manufacturing by professionals

API TRAILERS IS A DEALER AND MANUFACTURER OF MOBILE OFFICE TRAILERS, MODULAR BUILDINGS AND CABIN TRAILERS.
Our method of pre-fabricated construction and our experience manufacturing attractive, functional office trailers, modular buildings, and cabins is proven by our customer satisfaction.
The Process:

Contact API Trailers with your requirements to begin the trouble-free process of manufacturing your custom modular building, modular home, office trailer or cabin.

API Trailers will outline an initial floor plan and discuss your vision and how we can best accommodate your needs.

A timeline for construction and delivery of your office trailer, modular building, modular home or cabin will be agreed upon.

We will provide you with a bid, determine and agree upon a cost for your project, and sign a contract agreement and begin construction.

Your new pre-fabricated office trailer, modular building, modular home or cabin will be delivered, and our professional crew will set up and complete your building.
Call 1-800-394-9217 or e-mail us today and we can arrange for delivery of your mobile office trailer, modular building, cabin, or container.
Delivery options for mobile office trailers, modular buildings, cabins & storage containers
In order to guarantee safe and reliable delivery of your mobile office trailer, modular building, cabin or storage container, API employs a staff of experienced drivers. You can rest assured that your equipment will be delivered by a true professional, backed by a licensed, bonded and insured company.
API’s specially equipped delivery trucks are able to maneuver your mobile office trailer, or modular building, cabin or container into even the tightest spaces.
Mobile office trailers, modular buildings & cabins can be:
- Trucked onto any job site
- Trans-lifted into any tight space
- Craned onto sight by section