There is no such thing for rental real estate ... it is a 27.5 year property period. And the land cost must be broken out of the total cost since land it not depreciated.
There is no accelerated depreciation for residential rental real estate. It's 27.5 years. See IRS Publication 946 at https://www.irs.gov/pub/irs-pdf/p946.pdf on page 27, "Required use of ADS".
Required use of ADS.You must use ADS for the follow- ing property. •Nonresidential real property, residential real property, and qualified improvement property held by an elect- ing real property trade or business (as defined in sec- tion 163(j)(7)(B) of the Internal Revenue Code). For more information, see Revenue Procedure 2019-8 on page 347 of Internal Revenue Bulletin 2019-3, availa- ble atIRS.gov/irb/2019-03_IRB#RP-2019-08, as modified by Revenue Procedure 2021-28 on page 5 of Internal Revenue Bulletin 2021-27, available at IRS.gov/irb/2021-27_IRB#RP-2021-28
There is no accelerated depreciation for residential rental real estate. It's 27.5 years. See IRS Publication 946 at https://www.irs.gov/pub/irs-pdf/p946.pdf on page 27, "Required use of ADS".