Living in Arnold comes at a cost of $328,352. Home prices here marginally dropped 0.3 percent this year. In the meantime, the share of homes on the market slightly increased, with a 6.8 percent rise in inventory year-over-year. Recently, this city offers homebuyers 79 listings on the market. Swimming pools feature in quite a few residential properties here; perfect for parties with friends and family, or just for a quiet, relaxing afternoon. A number of homes in Arnold have kitchens with snack bars; perfect for preparing snacks for the kids or setting out platters during those Friday night cocktail parties.