Welcome to Stonybrook Home Sales central Pennsylvania's best source for high-quality modular and manufactured homes! We have sales centers located in two convenient locations: Thomasville (12 miles west of York, PA) and Hamburg (off Interstate 78). Stonybrook is an official retailer for Pine Grove Manufactured Homes and Pleasant Valley Modular Homes. All homes are built in Schuylkill County, Pennsylvania by a locally owned and operated company. Stonybrook is a family-owned business with nearly 50 years of experience in the factory-built housing industry providing thousands of families with high-quality homes and excellent customer service.