I rented a used 24x60 modular building for my office in Los Angeles, California and got several modular suppliers to compete for my rental business. I suggest using the free quote service if you are in need of a mobile office trailer or portable building for rent or even to buy one at a good price.

Go to the home page of http://www.imodular.com/ and you will see three or four links right at the top. Just pick one and fill out the free price quote form...it only took me a minute or two and later that day I started receiving calls.

24'x60' Used Construction Office Trailer for rent
 Heres a picture of the modular I rented. I replaced the wood steps with aluminum OSHA approved stairs.