Irvine, CA-based HSF Affiliates LLC operates Berkshire Hathaway HomeServices and Real Living Real Estate franchise networks. ... The company is a joint venture of which HomeServices of America, Inc., the nation’s second-largest, full-service residential brokerage firm, is a majority owner. HomeServices of America is an affiliate of world-renowned Berkshire Hathaway Inc. To learn more, visit our brand pages: www.BerkshireHathawayHS.com www.RealLiving.com read more