List of Keller Williams Realty Stores in Middletown, DE Outlet Note Regular Brands Keller Williams Realty Delaware Middletown Rating 4.9 based on 53 votes Official Website www.kw.com/ Products Real Estate NameAddressPhone Name/Address/Phone Keller Williams Realty outlet - Middletown 417 E Main St (302) 376-0303 People Also Viewed