Investors & landlords

When you enter your home sale in TurboTax, it does ask for the number if days that was used for other purposes, then it calculates the portion of taxable and tax-free gain.

The same amount of taxable gain is carried to the Massachusetts (MA) return as shown on the image below. Also according to the MA instructions for Form 1, it should be included as part of gains and losses carried to Schedule D on the MA return.