Officers discovered Verenis Fabiola Ramos, 28, in the abandoned home on the 600 Block of North 4th Avenue.
Neighbors reported a foul smell coming from inside. Investigators said Ramos likely died where they found her.
An autopsy determined the Yakima woman died from a gunshot wound to the head.
No suspects have been named in the case. Special investigators are working to pin down a specific timeline.