List of Keller Williams Realty Stores in Horsham, PA Outlet Note Regular Brands Keller Williams Realty Pennsylvania Horsham Rating 4.9 based on 53 votes Official Website www.kw.com/ Products Real Estate NameAddressPhone Name/Address/Phone Keller Williams Realty outlet - Horsham 300 Welsh Rd, #4-145 (215) 657-8100 Keller Williams Realty outlet - Horsham 300 Welsh Rd, Bldg 4 (215) 784-5320 People Also Viewed