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Cartis diligence evidence schedule

Centersquare BOS1 Waltham Data Center

PRJ-1191 · Site · Waltham, Massachusetts, United States

Record last updated Oct 28, 2026

Scope and capacity

Centersquare BOS1 is an operating colocation complex in Waltham’s Route 128 technology corridor. The 50,150-square-foot raised-floor environment has 38.2 MW of utility capacity, 6.1 MW of UPS capacity and 11 MW of generator capacity.

Headline: Not established in published records

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.

Raised floor area · 50,150 sq. ft.

Actual · Centersquare BOS1 Waltham Data Center (Project)

Claim 154764 · Recorded claim type: Actual · Review: Approved · Claim date: Nov 1, 2025

  1. Boston data centers

    Centersquare · Document date: Aug 31, 2026 · Corroborating

    Source reference: SRC-7473 · Company announcement · Recorded authority: Party primary

    Source URL

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

  2. ENERGY STAR certified data centers

    U.S. Environmental Protection Agency · Document date: Aug 31, 2026 · Corroborating

    Source reference: SRC-7474 · Government record · Recorded authority: Official primary

    Source URL

    https://www.energystar.gov/buildings/certified-data-centers

  3. BOS1 facility specifications

    Centersquare · Document date: Nov 1, 2025 · Primary

    Source reference: SRC-7472 · 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.