STACK POR03 Hillsboro Campus (4735 NE Starr Blvd)

STACK POR03 — existing data-centre operations (72 MW operational critical capacity)

Operational last observed as of 2026-08-27 · Authoritative status update

The archived POR03 page (article:modified_time 2026-03-19T14:02:05+00:00) already describes the 55-acre Hillsboro campus with approximately 200MW of total critical capacity, 'including 25MW with near term availability, 96MW of expansion capacity, and 72MW of operational critical capacity', with POR03A-C at 24MW each, POR03D (220,000 sq ft, 25MW) and POR03E/F (530,000 sq ft, 96MW). evidence

STACK Infrastructure (Internet Archive copy) · publication date not stated

STACK states that it 'broke ground on the construction of its new POR03 campus in Hillsboro, Oregon' and that 'The new 28-acre campus, located at 4735 NE Starr Blvd in Hillsboro, will include an initial 24MW building ready Q3 of 2021 and immediately adjacent growth potential, offering a total campus capacity of 84MW'. This binds the POR03 campus name to the 4735 NE Starr Blvd address used for the locator. evidence

STACK Infrastructure · published 2020-10-07

STACK announces 'the completion of its newest 24MW facility in Hillsboro', describing 'POR03A, the first building at STACK's flagship 84MW Portland campus', a 180,000-square-foot facility 'Situated on 30 acres and located less than a half-mile from PGE's Shute Substation', within Hillsboro's Enterprise Zone. evidence

STACK Infrastructure · published 2022-02-07

STACK announces 'the expansion of its flagship Portland campus to 200MW'; the land acquisition 'nearly doubles the campus footprint to a total of 50 acres', the campus is 'Located in Hillsboro adjacent to PGE's Shute Substation' and benefits from Hillsboro's Enterprise Zone. It also notes STACK delivered 'a 24MW Hillsboro facility in January' 2022. evidence

STACK Infrastructure · published 2022-07-20

The three-page POR03D brochure ('Deploy Fast with 25MW in the Pacific Northwest') gives POR03D 25MW and 222,440 sq ft, total campus capacity 200MW and total campus size 55 acres, and says STACK 'will deliver an impressive 200MW at its flagship Portland campus, including 25MW at the POR03D facility' and that 'the POR03 campus is a highly-connected facility that boasts direct access to a Wave fiber ring, benefits from Hillsboro's Enterprise Zone tax abatement policies, and operates on 100% renewable energy'. evidence

STACK Infrastructure · publication date not stated

The official regional address point file returns one point for 4735 NE STARR BLVD, Hillsboro 97124 (source HILL, i.e. City of Hillsboro; METRO_ID 245880) on taxlot 1N2210001900, at (-122.9387208, 45.5538776) in WGS84. The point lies inside that taxlot, 66.5 m from its centroid, binding STACK's published POR03 address to the locator taxlot. evidence

Metro (Oregon regional government), Regional Land Information System (RLIS), compiling county assessor and city records · publication date not stated

The address file lists ten NE Starr Blvd points in Hillsboro. 4735 lies on taxlot 1N2210001900 and 4565 on 1N2210002100 to its south-east; 4915 and 4975 NE Starr Blvd (the addresses Flexential gives for its Hillsboro 4 and Hillsboro 5 data centers) both lie on taxlot 1N2210002202 to the north, and 5419 NE Starr Blvd (Flexential Hillsboro 3) on 1N2210003800 further north. The STACK POR03 published-address taxlot is therefore a different property from the Flexential Starr campus already in the Atlas. evidence

Metro (Oregon regional government), Regional Land Information System (RLIS), compiling county assessor and city records · publication date not stated

Flexential gives Hillsboro 4 at 4915 NE Starr Boulevard, Hillsboro 5 at 4975 NE Starr Boulevard and Hillsboro 3 at 5419 NE Starr Boulevard, 'just north of Hillsboro 5', and Hillsboro 1 at 3935 NE Aloclek Place. None of these is STACK's 4735 NE Starr Blvd property. evidence

Flexential, distributed by PR Newswire · published 2026-05-28

Companies

• Operator: STACK Infrastructure (current) evidence