While there is a lot of debate over whether a tiny house is considered a temporary structure or a permanent one, cabins are a bit more clear-cut. The primary difference between a tiny house and a cabin is the foundation. Tiny houses are typically built with wheels so that they can be moved from place to place. Because tiny homes are built on wheels, they are viewed as RVs. A cabin is built on a permanent foundation.
This single change makes a huge difference in how the house is viewed legally. Instead of being held to the standards of an RV, building a cabin goes through your local building department.
You will be required to have plans for your essentials including electricity, water, and sewer.
Living off-grid is acceptable, but you must have a plan for these hook-ups. Waste removal, in particular, is likely to be mandated by the county.