The speculative builder rule
A speculative builder who owns the land is the consumer of the materials, and the sale of the finished home is subject to real estate excise tax rather than sales tax, unless the buyer signs before the home is finished.
Transcript
Sal A speculative builder who owns the land is the consumer of the materials, and the sale of the finished home is subject to real estate excise tax, not sales tax, unless the buyer signs before the home is finished. Then the work after that is taxed as a retail sale.