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Cartis diligence evidence schedule

Centersquare BOS4 Watertown Data Center

PRJ-1229 · Site · Watertown, Massachusetts, United States

Record last updated Oct 28, 2026

Scope and capacity

Centersquare BOS4 is an operating data center at 480 Pleasant Street, Watertown, MA. The facility provides 38,977 square feet of raised-floor space with 19.1 MW of utility service and 7.2 MW of UPS capacity. Carrier-neutral network access and redundant electrical and mechanical systems support colocation and enterprise workloads.

Headline: 7.2 MW Planned / design

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Reported capacity · 7.2 MW operating UPS design capacity

Planned / design or future potential · Centersquare BOS4 Watertown Data Center (Project)

Claim 156658 · Recorded claim type: Actual · Review: Approved · Claim date: Sep 1, 2026

Headline treatment: Selected headline

  1. BOS4 facility and market specifications

    Centersquare · Document date: Sep 1, 2026 · Primary

    Source reference: SRC-7664 · Company announcement · Recorded authority: Party primary

    Source URL

    https://www.csquare.com/data-centers/boston

  2. BOS4 market specification sheet

    Centersquare · Document date: Sep 1, 2026 · Corroborating

    Source reference: SRC-7665 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://csquare.com/hubfs/CenterSquare/docs/Centersquare-BOS-SpecSheet.pdf

Raised floor area · 38,977 sq. ft.

Actual · Centersquare BOS4 Watertown Data Center (Project)

Claim 156659 · Recorded claim type: Actual · Review: Approved · Claim date: Sep 1, 2026

  1. BOS4 facility and market specifications

    Centersquare · Document date: Sep 1, 2026 · Primary

    Source reference: SRC-7664 · Company announcement · Recorded authority: Party primary

    Source URL

    https://www.csquare.com/data-centers/boston

  2. BOS4 market specification sheet

    Centersquare · Document date: Sep 1, 2026 · Corroborating

    Source reference: SRC-7665 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://csquare.com/hubfs/CenterSquare/docs/Centersquare-BOS-SpecSheet.pdf

Counterparties and capital

Centersquare · Operator · CMP-1648

This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.