Lennar New Construction Homes in Thornton, Colorado

Lennar has 17 active new construction listings in Thornton, Colorado. Prices range from $374,900 to $689,900, with a median size of 1,529 square feet. Inventory is sourced directly from the builder's own website. Prices and availability can change, so confirm current details with Lennar.

Inventory last refreshed: September 10, 2026 · Data sourced directly from builder websites.