The top ten builders accounted for 43.6% of all new U.S. single-family home closings in 2025, down 1.2 percentage points from 2024 (44.8%), based on BUILDER magazine data. The 2025 share constitutes 295,959 closings out of 679,083 new single-family houses sold in 2025. However, closings by the top ten builders only represent 29.5% of new…