Advance Phase LLC Walla Walla Campus (Project Tree)
Sponsors & Partners
Project Timeline
Current canonical record
16 buildings planned across 500 acres in four phases of 125 acres each
Walla Walla County's Amazon Data Center FAQ, last updated 2026-06-24, says the Port of Walla Walla approved the sale of 554 acres in the Wallula Gap Business Park to Amazon Data Services on 2026-02-12, lists a 2026-06-23 Notice of Incomplete Application for SDP26-01/SEPA26-05, and lists an Amazon-hosted 2026-08-11 open house. Tri-City Herald reporting on 2026-05-12 said Amazon Data Services was revealed as the company behind Advance Phase LLC and would pay $36 million for 553 acres at Wallula Gap to construct 16 data centers in a $5 billion project.
Record provenance
This page is generated from the reviewed project database snapshot. The record was last reviewed on 2026-07-19. Blank fields mean the value was not publicly disclosed or could not be reconciled safely; they do not mean zero.