Use this short screen to see whether homes acquired before July 1, 2026 carry unclaimed 45L credits. The credit ended for homes acquired after that date, but qualifying homes sold or leased before the deadline can still be claimed, including prior years through amended returns.
Based on IRC §45L (IRS) · Your numbers never leave your browser.
Why this page exists
45L can be meaningful for qualifying builders, but the window is narrow and eligibility depends on the home, the certification path, and the acquisition date. This page is a fast screen, not a substitute for a real claim review.
Important: This tool is for preliminary education only and is not tax, legal, or accounting advice.