# U.S. Government Seeks to Lease Office Space in Denver, Colorado Canonical: https://abierto.us/opportunities/6co0558 - Solicitation number: 6CO0558 - Notice type: Presolicitation - Status: Open. Offers due November 3, 2026 at 6:00 PM EST - Department: General Services Administration - Agency: Public Buildings Service - Contracting office: PBS Office of Leasing (47PA99) - NAICS: 531120 Lessors of Nonresidential Buildings (except Miniwarehouses) - Product or service code: X1AA Lease/Rental Of Office Buildings - Place of performance: Denver, Colorado - County: Denver County (FIPS 08031). https://abierto.us/counties/denver-county-co-08031 - City: Denver. https://abierto.us/cities/denver-co-0820000 - First posted: October 14, 2026 - Last posted: October 14, 2026 - SAM.gov: https://sam.gov/workspace/contract/opp/115e2e33298a46678a0aea219c0c1632/view ## Description U.S. GOVERNMENT NOTICE OF LEASE REQUIREMENT The General Services Administration (GSA) is seeking expressions of interest from owners and authorized representatives of properties meeting the following requirements: State: Colorado City: Denver Delineated Area: North: Market Street East: 20th Street South: Champa Street West: 17th Street Minimum Sq. Ft. (ABOA): 21,476 Maximum Sq. Ft. (ABOA): 22,550 Space Type: Office Parking Spaces (Total): 20 Parking Spaces (Structured): 20 Parking Spaces (Reserved): 2 Full Term: 120 months Firm Term: 60 months Option Term: One 60-month option Additional Requirements: Offered space cannot be located within a courthouse or co-located with a law enforcement agency. Offered space cannot be located on the first floor. The space must be contiguous, self-contained, and located on a single floor. Offered space must provide access to a loading dock and freight elevator. Parking must be provided in an attached, covered parking garage. Offered space must meet Government requirements for fire safety, accessibility, seismic, and sustainability standards per the terms of the Lease. A fully serviced lease is required. Offered space shall not be in the 1-percent-annual chance floodplain (formerly referred to as 100-year floodplain). Entities are advised to familiarize themselves with the telecommunications prohibitions outlined under Section 889 of the FY19 National Defense Authorization Act, as implemented by the Federal Acquisition Regulation (FAR). For more information, visit: https://acquisition.gov/FAR-Case-2019-009/889_Part_B. Expressions of interest must Include. Building name and address; Contact information and e-mail address of offeror’s authorized representative; ABOA square feet and rentable square feet available, identifying the specific floors and square footages; Asking full-service rental rate per ABOA square feet and rentable square feet inclusive of a standard GSA warm-lit shell, a tenant improvement allowance of $56.59/ABOA square foot, and a BSAC allowance of $12.00/ABOA square foot; Operating costs per ABOA square feet and rentable square feet included in the full-service rates; Submission by anyone other than the owner or manager of a property must be accompanied by written consent from the ownership granting authority to the representative in providing the information to the Government. Expressions of Interest Due: 11/03/2026 Market Survey (Estimated): TBD Occupancy (Estimated): 2/28/2029 Send Expressions of Interest to: Name: Katherine Roxborough Title: GSA Broker Services Contractor - Cushman & Wakefield Email Address: katherine.r.roxborough@gsa.gov Government Contact Information: Lease Contracting Officer: Kristine Deltorto Project Manager: Eric Cooley Broker: Katherine Roxborough ****************************************************************************************************** ## Attachments - [6CO0558_Pre-Solicitation Notice_10-14-26.pdf](https://sam.gov/api/prod/opps/v3/opportunities/resources/files/724f23b6a07548ada740a1cbe32abf60/download) ## Open now in the same industry 64 open in NAICS 531120. - General Services Administration (GSA) seeks to lease office space in Durango, CO (2CO0668), due November 12, 2026 at 8:00 PM EST. https://abierto.us/opportunities/2co0668 - New Replacing Lease - Concord Vet Center (36C24W26R0040), due October 31, 2026 at 8:00 PM EDT. https://abierto.us/opportunities/36c24w26r0040 - Lease for Office Space -- 846 Sq Ft Required (DACA4552700109000), due November 1, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/daca4552700109000 ## Publications - October 14, 2026: Presolicitation, due November 3, 2026 at 6:00 PM EST. Notice 115e2e33298a46678a0aea219c0c1632. https://sam.gov/workspace/contract/opp/115e2e33298a46678a0aea219c0c1632/view ## Points of contact - Katherine Roxborough, katherine.r.roxborough@gsa.gov, 7206547165 - Kristine Deltorto, kristine.deltorto@gsa.gov, 4056305486 --- Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/6co0558.