Utah-based builder plans expansion into markets where homeowners face high utility bills.
Start-up Westan Homes offers low-cost, but high-impact upgrades to compete with larger builders.
Chicago's Lexington Homes expects to double its closings in 2013 by building infill projects.
The private equity firm also started its own home building operation.
Builders take stock of their quality assurance programs, their labor's skill levels, and their superintendents' experience.