If you’re looking for where Urban Fantasy and Horror meet, it’s right here with two great series that are chalk full of violence and language. They are most definitely not for the faint of heart.
In the first of the Joe Pitt Case Files by Charlie Huston, Already Dead  follows vampyre Joe Pitt as he investigates a mysterious zombie epidemic stemming around New York.
The Sandman Slim  series by Richard Kadrey takes us across the US to Los Angeles. Title character James Stark (nicknamed Sandman Slim from the inhabitants of hell where he has spent the last 11 years) blazes a trail of vengeance looking for the people who killed his lover and sent him down below.