By Matthew Narvaiz / Journal Staff Writer     A new 27-unit housing development is coming to Rio Communities, about 30 miles south of Downtown Albuquerque. Some of the homes are expected to be completed by the end of this year. (Courtesy of Pecos Homes) A new housing development is coming to Rio Communities, the first of its kind since the town was incorporated nearly a decade ago. The 27-unit development, known as Manzano Vista, is being built by Pecos Homes - a company that has developed about a dozen properties in recent years off Nancy Boulevard. "It's a big...