CallSource Sells Multifamily Division To Former Homestore Exec

Westlake Village-based CallSource, which develops leads management software, has sold off one of its divisions, CallSource Multifamily, to an entrepreneur who was previously a Vice President at According to Mike Mueller, who is now an investor in Scottsdale, Arizona, he has acquired the CallSource Multifamily division of CallSource, and moved its operations to Arizona. Mueller had been EVP of's SpringStreet division, which was previously before being acquired by Mueller was the founder of Financial terms of the acquisition have not been disclosed.