Lot 9 Estates at Chapel Hill – Acreage Lots in Unincorporated Platte County. Build your Dream Home – Bring your Own Builder. Plan must go through architectural approval process. Beautiful estate size lots on sewer, gas & city water. Streets are IN & Ready for Buyers! Buyers to pay 6% agency commissions on Lot & Build. Community is under construction. Call Listing Agents for access to the property.