Build your dream home in Cornerstone Andover! Don't miss out on building NEW in Andover School District. Copper Crest at Cornerstone builders are Moeder Construction, Prairie Construction and Willco Construction. Model homes are open daily 12-4pm! 2510 N. Quartz St Andover, KS 67002. Call listing agent Kelsey Tatro to discuss available floorplans and pricing!