Welcome
to Add On Rooms Online, a division of First National Sales & Trust, Inc. We are the Midwest's only provider of high quality Custom Room Additions for Mobile and Modular Homes. We serve the four state area including; Missouri, Arkansas, Kansas and Oklahoma.

For National Franchising Information contact us

Though not obvious in pictures - all of our Room Additions have pitched roofs.

We also build and install turnkey modular buildings for churches, businesses and schools as well a variety of storage buildings designed to fit your needs. Our highly skilled team of builders have over 75 years of combined experience in designing, building and installing custom room additions for mobile and modular homes.

We also purchase used Mobile Homes.

Call the leader - First National Sales & Trust Inc., for a FREE quote at 417.475.3402 - or click here to fill out our simple online request form.

Thank you visiting our site - we look forward to working with you!