ALPHARETTA, GA. — A joint venture between New York Life Real Estate Investors and The Dilweg Cos. has sold Royal Centre II, III and IV in Alpharetta. Bridge Office Fund Manager LLC, an affiliate of Bridge Investment Group LLC, acquired the assets, which total 634,487 square feet. The sales price was not disclosed, but the Atlanta Business Chronicle reports New York Life and Dilweg originally acquired the Royal Centre buildings in 2015 for $85.3 million. The buildings are located in the Royal 400 office park, roughly 26 miles north of Atlanta and less than two miles from Avalon, an 86-acre mixed-use development. Bridge plans to invest $12 million to further modernize the properties with the addition of collaborative work spaces, tenant amenity centers, upgrades to the fitness center, café and conference facilities, upgraded landscaping and new exterior common spaces. The properties, constructed between 1998 and 2000, were 85 percent leased at the time of sale.