Diamond REALTORS LLC Back to Search Diamond REALTORS LLC 410 Melrose Dr , Richardson , TX , 75080 (972) 897-7659 Send Email www.diamondrealtors.info Contacts Primary Ms. Frieda Schmiedel Broker/Office Manager General Residential SalesEnglish Mr. Kenneth J Callahan General Residential SalesEnglish Margaret Keighley Ms Sally O'Brien-Foster General Residential SalesEnglish Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone