Flexential Dallas–Plano Data Center

Operating · Legacy Investing, LLC · 3500 East Plano Parkway, Plano, TX

Flexential operates the Dallas–Plano Data Center, a 261,425-square-foot colocation and AI/HPC facility at 3500 East Plano Parkway in Plano, Texas, on 13 acres. The facility opened January 2017 with 60,000 square feet of raised floor, expanded by 130,000 square feet post-acquisition, and currently supports 18 MW of critical IT load with 29 MW backup generation; CoreWeave is contracted for 13 MW within the facility as of March 2025.

Website Open in grid

Overview

Status: Operating
Operating; the facility is identified as fully operational and is marketed by Flexential as the Dallas–Plano data center.
Exact-site power: 18 MW
Critical IT Load · Operating
Facility size: 261,425 sq ft
Facility
Project cost: $14.0M
Estimated construction cost in the cited project filing.

Flexential Dallas–Plano Data Center

Operating · Legacy Investing, LLC · 3500 East Plano Parkway, Plano, TX

Flexential operates the Dallas–Plano Data Center, a 261,425-square-foot colocation and AI/HPC facility at 3500 East Plano Parkway in Plano, Texas, on 13 acres. The facility opened January 2017 with 60,000 square feet of raised floor, expanded by 130,000 square feet post-acquisition, and currently supports 18 MW of critical IT load with 29 MW backup generation; CoreWeave is contracted for 13 MW within the facility as of March 2025.

Website Open in grid

Overview

Status: Operating
Operating; the facility is identified as fully operational and is marketed by Flexential as the Dallas–Plano data center.
Exact-site power: 18 MW
Critical IT Load · Operating
Facility size: 261,425 sq ft
Facility
Project cost: $14.0M
Estimated construction cost in the cited project filing.

Opened

Jan 1, 2017

Phase one

Compute profile

Colocation · AI HPC

high-density computing · AI workloads

Profile

Project scope: The facility opened in January 2017. Its documented development includes a 60,000-square-foot first phase, a planned 100,000-square-foot second phase, and a 2021 sale-leaseback-supported expansion announced at 130,000 square feet.
Power and grid: 18 MW of critical it load is reported for the exact facility.
Compute role: Operating Generation 4 colocation facility at 3500 East Plano Parkway, Plano, with 261,425 square feet, 18 MW of critical power, high-density deployment capability, and a confirmed CoreWeave AI infrastructure lease within the existing facility.
Cooling and environment: Proprietary, highly efficient air cooling / super CRACs. Proprietary built-in liquid-cooling capability for high-density workloads. No site-specific quantified environmental impact was identified.
Local reporting: Reports that Flexential planned an $11 million CoreWeave deployment inside the existing Flexential facility at 3500 E Plano Parkway.

Organizations

Material, source-backed organizations directly involved with this facility or its parent campus. Duplicate legal names and incidental community mentions are excluded.

OrganizationRoleScope

Legacy Investing, LLCOwnerExact Asset

FlexentialOperatorExact Asset

CoreWeaveTenantExact Asset

OncorUtilityExact Asset

DLR GroupDesign FirmPhase

Swanson RinkDesign FirmPhase

Texas Department of Licensing and RegulationRegulatorExact Asset

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Jan 1, 2017
Jan 1, 2017
Phase one entered operation
The facility's first phase comprises 60,000 square feet of populated raised-floor data-center white space. The facility was opened in January 2017.
Aug 5, 2021
Aug 5, 2021
2021 expansion / post-acquisition build-out announced
Flexential announced a 130,000-square-foot expansion in connection with the 2021 sale-leaseback, more than doubling the facility to over 260,000 square feet. A project consultant describes a 12-month shell and interior build-out of 147,000 square feet. The exact construction start and completion dates were not reported. The 2025 CoreWeave permit was separate tenant work within the existing facility and should not be treated as construction of this expansion.
Aug 5, 2021
Aug 5, 2021
Flexential Partners with Legacy Investing and Invesco Real Estate on 130,000 Square Foot Expansion in Plano, TexasPR Newswire
Flexential announced a leaseback partnership with Legacy Investing and Invesco Real Estate that enabled a 130,000-square-foot expansion of its Plano facility, more than doubling the facility to over 260,000 square feet.
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1. Jan 1, 2022
  Jan 1, 2022
  Flexential Plots 33 MW Data Center Expansion in 2022, Led by AtlantaDgtl Infra
  Describes the Dallas–Plano facility as the exact site at 3500 East Plano Parkway and reports that Flexential announced a 130,000-square-foot expansion there in August 2021.
Mar 17, 2025
Mar 17, 2025
CoreWeave Plano tenant electrical fit-out announced
CoreWeave Plano involved installation of electrical conduits and receptacles for new data racks within an existing data-center room. TDLR recorded an approximate 75,000-square-foot area of work, a start date of April 7, 2025, and a scheduled completion date of August 1, 2025. The permit expressly states there was no hard construction, no new partitions, no change in use, and that existing ceiling and lighting would remain.
Mar 20, 2025
Mar 20, 2025
Flexential to host CoreWeave hardware in Plano data center, TexasData Center...
Reports that Flexential planned an $11 million CoreWeave deployment inside the existing Flexential facility at 3500 E Plano Parkway. The work involved electrical conduits and receptacles for new data racks in an existing room, with no additional construction; the project was scheduled for April–September 2025.
Apr 7, 2025
Apr 7, 2025
CoreWeave Plano tenant electrical fit-out construction started
CoreWeave Plano involved installation of electrical conduits and receptacles for new data racks within an existing data-center room. TDLR recorded an approximate 75,000-square-foot area of work, a start date of April 7, 2025, and a scheduled completion date of August 1, 2025. The permit expressly states there was no hard construction, no new partitions, no change in use, and that existing ceiling and lighting would remain.