The Locus Science Fiction Foundation has announced the 2019 finalists for the Locus Awards. The winners will be announced in late June at the Locus Awards Weekend. There is one category that covers young adult fiction. Here are the finalists in that category:
YOUNG ADULT BOOK FINALISTS

The Agony House by Cherie Priest and Tara O’Connor
The Belles by Dhonielle Clayton

Cross Fire by Fonda Lee
The Cruel Prince by Holly Black

Dread Nation by Justina Ireland
The Gone Away Place by Christopher Barzak

Half-Witch by John Schoffstall
Impostors by Scott Westerfeld

Mapping the Bones by Jane Yolen
Tess of the Road by Rachel Hartman