The Halflife Chronicles by William Mark Simmons is good (5 books).
Varayan Memoirs by Rick Shelley (3 books)
Rick Cook’s Mall Purchase Night, he also does The Wiz Biz series, but that’s a computer geek called to another world, so not “Urban Fantasy”.
Ben S. Reeders Demon Apprentice series
Brad Magnarella’s Professor Croft series
Steve McHughes Hellequin series
Richard Kadrey’s Sandman Slim series
Harry Connolly’s 20 Palaces series (it got cut off by the publishers but still 4 books & a novella)