U.S. Census Bureau Survey of Construction data shows that single-family homes over 6,000 square feet — the size range typical of luxury Las Vegas builds — average approximately 16 months from permit authorization to completion nationally. That figure does not include the design, engineering, and permitting work that happens before construction starts. Realistic total project timelines from lot acquisition to final walkthrough run 12 to 18 months for well-coordinated luxury custom builds in Las Vegas. For a detailed phase-by-phase breakdown, see our guide to Las Vegas luxury custom home construction delays.