The PDF of your tax return from 2020 should include your mailing address for that tax year. Assuming that this address is also your PHYSICAL address, you should be able to use first page of your tax return to verify your address for tax year 2020.
See the instructions I'm linking in the TurboTax FAQ below to access, download and print the PDF of the tax return you filed using TurboTax Online for that year.
How do I access a prior-year return?
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
