Ala. Code § 8-29-7: Exemptions from Chapter.

This chapter does not apply to the following:

(1) Residential homebuilders.

(2) Improvements to real property intended for residential purposes which consist of 16 or fewer residential units.

(3) Contracts, subcontracts, or sub-subcontracts in the amount of ten thousand dollars ($10,000) or less.

(4) Contracts with the state or local governments of the State of Alabama.