bucks county pa luxury homes three mile run rd perkasie pa 18944 3609 route 212 riegelsville pa 18077 1590 california rd quakertown pa 5096 old easton rd doylestown pa bucks county pa open houses 85 bucks county pa luxury homes upper bucks county 18938 real estate 19002 apartments for zillow 430 hollow horn rd pipersville pa 1980 three mile run rd e perkasie pa 814 kellers church rd ottsville pa 419 n spring mill rd villanova pa