Residence to rental in May. How to apply insur/tax expenses?

[Matthew Alexander]

Last May, I converted my residence to a rental property, so it was technically a rental property from May to December. In November, I paid my 2017 County tax bill. 

When filling out my Schedule E, should I divide my tax bill by 12 months, and only claim May - December on my Schedule E? Or should I claim it all, since the payment happened during the rental period?

I have the same question about the Hazard Insurance payment as well.