Why am i paying self employment tax

[txv16b]

i never paid it last year i have a rental house and have had it for 30 years that makes and income i also made farm income this year as rental and i was a passive owner.  only thing new is the farm rental income

[JulieR]

Farm Rental Income is not subject to self-employment tax in the same way  other rental activity is not subject to self-employment tax.  To report this income and related expenses you need to file Form 4835.  Be sure you are not reporting the farming activity on Schedule F.