Summary

Increases the tax-free gain exclusion for sales of a principal residence and requires those exclusion amounts to be adjusted annually for inflation beginning after 2025. The change raises the statutory exclusion levels (to higher dollar caps) and makes the new caps cost-of-living adjusted; the rule applies to sales and exchanges after the date of enactment.

Key Points

• Increases the statutory dollar caps used to exclude gain on sale of a principal residence.
• Requires annual cost-of-living (CPI) inflation adjustments to those exclusion amounts beginning for taxable years after 2025.
• Applies to sales and exchanges occurring after the date of enactment.
• Reduces federal taxable income for qualifying home sellers, which will lower federal income tax receipts compared with current law.
• Does not change other §121 eligibility rules (ownership/use tests) — it only raises and indexes the dollar exclusion amounts.
• Creates an administrative requirement for the IRS to implement new dollar caps and annual indexing.
• Likely provides larger benefits to sellers of higher-value homes and married couples who combine exclusion amounts.
• May modestly influence timing of home sales and housing market behavior, but broader market effects are uncertain.

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