JS Homes | 413 followers on LinkedIn. JS Homes - Your Delaware Home Builder - Building Quality Semi-Custom Homes in Delaware | JS Homes - Your Delaware Home Builder - Building Quality Family Homes The story of JS Homes reaches back over a half a century to 1966, when Alvin Schwartz first opened the doors to a family-run home building company. Valuing innovation, reputation and professional loyalty, the company continues to serve the Delaware region now as JS Homes. Today, JS Homes is operated and owned by Alvin’s son, Jeffrey Schwartz.