Primary residence converted to a rental property

[DJC69]

Our home of 20 years was converted to a rental property in August 2022.  How do I add previous capital improvements dating back to 2004-2008, etc. to the basis?  I can combine expenses into bathroom remodel, kitchen remodel, flooring, etc.  Do I backdate?  I assume the amortization would begin the date the rental was placed into service vs. the date the work was done. Is this correct?  Thanks! 

[Mike9241]

when you get to the asset entry section for the rental, you'll be asked for both the date acquired/purchased and date placed into service (first use in business). depreciation starts with the date placed into service

[Anonymous_]

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@DJC69 wrote:

Do I backdate?

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No.

You add up your initial cost basis (purchase price) and the cost of your improvements in order to get your basis for depreciation (i.e., it is one number).

[Critter-3]

The cost basis is the lesser of the FMV at the date of conversion  OR  the total cost basis ( original purchase price + cost to buy + improvements made up to the date of conversion).