Mistletoe Magic (Romancing Wisconsin Series 2) by Stacey Joy Netzel

Major Mark Riley plays Court Jester to Janelle Walsh's Snow Queen at the Christmas Parade and is instantly captivated by the cute redhead whose grandpa just happens to be Santa. When Mark learns she's the tenant he evicted from his newly purchased property, it's going to take a little bit of Santa's mistletoe magic to save their romance.