Deer Park's subdivision map covers 21 established communities, almost all built around classic single-family estate lots on larger acreage typical of this Lake County village. There's no active adult 55+ segment here and no new-construction communities in the mix — this is a resale market built out decades ago, with pockets like Hartz Farm Estate, Hillview Estates, Park Hill and Park Hill Estates rarely turning over. Deer Park Estates stands out as the most active community, with the broadest mix of single-family homes, townhouses and condos and the widest range of recent sales activity. Other well-known names include Deer Path Estates, The Squires, Dover Pond, Deer Lake Meadows and Oak Ridge, each offering a distinct pocket of wooded, low-density living within the same school districts. Smaller enclaves such as Chapel Hill, Country Corners and Mossley Hill Farm round out the inventory. Overall, Deer Park's subdivisions attract move-up and established buyers seeking larger homes and lots in the upper-middle to luxury price segment rather than starter housing or condo living.