Stunning Views from each of the six estate lots located on Knob Hill Dr. Lot 3 offers 3.7 Acres. 5 BR Conventional Perk Site – Improvement Permit in MLS Documents. The developer has Architectural Approval. Build with Grayrose Properties or bring your own builder. Build with Grayrose Properties or bring your own builder. 2000 SF Minimum House Size. Private Well Needed, Power: Piedmont (Power Lines Buried), High-Speed Access: Spectrum, Natural Gas: Dominion Energy. Knob Hill Dr. is a private road. The developer will pave Knob Hill Dr.