Ryland Group Inc. is opening a development in Greenwood, Ind.

The Estate Collection at Cobblestone features large, open floor plans and are priced starting at $270,000. The single family homes also include three-car garages and high-energy efficiency ratings, among eight different floor plans.

The Westlake Village company is one of the country’s largest homebuilders, with operations in 14 states. The company has been expanding as the housing market recovers.

Last month, Ryland it acquired the assets of Cornell Homes, a Philadelphia home builder, the fourth acquisition the company has made in the last year. It acquired Texas developer LionsGate Homes in May, Trend Homes in Phoenix in December and Timberstone Homes’ operations in Charlotte and Raleigh, N.C. last July.

The company announced its latest development on Monday.

Shares gained $1.82, or 5.3 percent, on Tuesday to close at $36.31 on the New York Stock Exchange.