Data center campus · 5420 NE Sewell Ave., Hillsboro (per a Hillsboro Herald column), Washington County, Oregon
CoreSite HI1 campus, Hillsboro
Proposed
as of Aug. 13, 2026
A phased campus of about 547,000 square feet on about 20 acres in Hillsboro, with a four-story building, according to a Hillsboro Herald column whose author says he and other neighbors sent the city letters of concern. Also known as: DR-012-26.
PowerNot statedNot reported in the records found
Floor area547,239sq ft
Site19.73acres
Who is behind it
ProjectCoreSite HI1 campus, HillsboroAlso: DR-012-26
Developer and teamCoreSite
End userNot found in the recordsNot yet named in any record or credited report we have found.
The record, newest first
A Hillsboro Herald column listed the case as still awaiting a staff report and notice of decision. (The Hillsboro Herald (column), Aug. 13, 2026)
A Hillsboro Herald column gave this as the public comment deadline in case DR-012-26. (The Hillsboro Herald (column), July 19, 2026)
Conflicts and open questions
- Both sources are from The Hillsboro Herald, whose pieces are columns that argue against the project; only their factual statements about the case file are used here, and no city record was opened.
- The column's figures on tree removal and wetland fill were not checked and are left out.
The full record
- Status note
- A Hillsboro Herald column described it as under staff-level Type II review, and on Aug. 13, 2026 listed the case as awaiting a staff report and notice of decision; no decision was found.
- Power note
- No power figure reported.
- Floor area note
- As stated in a Hillsboro Herald column; no city record was opened.
- Evidence
- News reports; primary records not yet obtained
- Size class
- Under 50 MW (outside main scope; kept for completeness)