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Sources sought

Operations & Maintenance (O&M) & Modernization for GSA Real Estate Exchange (G-REX)

47QACB26N0001

Office of Administrative Services, Oas Office of Internal Acquisition. Other Computer Related Services.

32 open like this View on SAM.gov Markdown

Response deadline

March 13, 2026 at 2:00 PM EDT

Closed 234 days ago. Posted February 27, 2026. Scheduled to archive March 28, 2026.

Get the next one like this from Office of Administrative Services by email, the day it is posted.Find my opportunities

This one closed in 2026

32 like it are open now in other computer related services

All 32 open in other computer related services

Description

As published on SAM.gov.

The General Services Administration (GSA) seeks industry input on capabilities for modernizing and maintaining the GSA Real Estate Exchange (G-REX), a mission-critical Appian-based platform supporting the Public Buildings Service (PBS) in delivering optimal real estate acquisitions to American taxpayers. Both Operations & Maintenance and modernization services are required, with vendors having the option to propose their preferred modernization approach from the available options.

Attachments

Files listed on SAM.gov. The ones we hold a copy of download from here; the rest open SAM's download, which needs no account.

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. February 27, 2026

    Sources sought

    Due March 13, 2026 at 2:00 PM EDT. SAM.gov, notice 1b39b459fa674a1fbf6ac6e838ae4d80

    1 revisions on SAM
    • February 27, 2026: publish, sources sought

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