Portable Cabins & Finished Portable Buildings built Texas tough!

some other Spartan Buildings

Some in Stock         or  on Order* Portable Cabins & Portable Offices:

Standard Features of a Cabins:

options may change by manufacturer**


Disclaimer: Finished buildings do not comply with current building code and are not a "single family dwelling".

Styles: Classic, Peak, Cottage

Door: (1) 36" or 48" fiberglass door

Walls: 2x4 Studs on 16" centers w/ double corner studs (Stronger Building) 6'8"

Rafters: 2x on 16" centers

Siding: 29 Gauge Wall & Roof Metal

Trim: 26 Gauge Trim

Breaker Box: 125 amp

Paneling: whitewash

Insulation: Ceiling and Walls

Outlets: 4- 110

Ceilings: rough stuff finished

Lights: 1 LED 4' light

Windows: single pane

Floor covering: tile

Floor: 3/4" Tongue & Groove Plywood Flooring

Floor Joists: Pressure Treated on 16" centers

Skids: Pressure Treated

Available Sizes:    

8' wide x 8' thru 16' Lengths                  

10' Wide x 10' thru 30' Lengths

12' Wide x 10' thru 40' Lengths                  

14' Wide x 12' thru 40' Lengths

16' Wide x 12' thru 40' Lengths

Upgrades available include but not limited to:


3/4" Tongue and Groove Advan-Tech Floor **** Highly recommended

Various Window sizes including Insulated Vynil Windows

more skids

200 amp Breaker Boxes

Insulated Floors with Vapor Barriers

tile and carpet

LED Lights

sheathing on the walls and liner on the roofs - osb

house wrap on walls and felt on roofs

lights of various sizes and styles

stoves, fridges, water heaters, sinks,

outlets-- including 110 GFCI, exterior, and various 220s

Various Door styles including 36" MD100, 36" MD300

Overhead Storage Lofts

electrical exhaust fans for the bathrooms

porch lights




Vertical Roof


cathedral ceilings

faux beams

Wood shutters

Ceiling Fans

We have over 50 Portable Buildings in stock across both locations.  Portable Buildings are delivered, blocked, and leveled with in 30 miles at no charge!

*We can also customize and special order any Portable Building upon request in any color combination.


We have been taking care of customers since 1995. Trust JM Portable Buildings LLC for all of your storage needs.


We provide all of your building needs:  Backyard Buildings, tool sheds, garden sheds, Offices, Portable Buildings, Wood Buildings, Barns, Sheds, Backyard sheds, utility buildings, Spartan Buildings, Lone Star Structures, Better Built Buildings, storage buildings, Oilfield offices, oilfield storage.     


Serving College Station, Bryan, Navasota, Brenham, Giddings, Huntsville, Madisonville, Franklin, Livingston, Trinity, Crockett, Buffalo, Temple, Waco, Caldwell.


14'x32' Finished Peak Lt Stone S Tan 8x1

# 9577, insulated floor, ceiling, and floor, bedroom w/ closet, Kitchen area w/ 20 gallon water heater below, 3/4 Bath w/ 36x36 shower, cabinet above toilet, and exhaust fan, galvanized metal roof, 3- ceiling fans