Current zoning for the Town of Oak Grove includes: General Rural Flexible 8, Rural Residential 12, PRD (Planned Residential Development), Light Industrial, and Commercial. General Rural Flexible 8 allows 8 houses per 40 acres.

The minimum lot size in the Town of Oak Grove is 3 acres, exclusive of (not including) land in any rights-of-way or easements. (Oak Grove Code sec. 18.28.)