The Government is seeking to lease office and related space in Alton, IL for a minimum of 1,500 ANSI/BOMA Office Area (ABOA) to a maximum of 4,941 ABOA square feet.

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Presolicitation Notice/Advertisement RLP Procurement Summary

GSA Public Buildings Service

U.S. GOVERNMENT

General Services Administration (GSA) seeks to lease the following space:

State: Illinois

City: Alton

Delineated Area: UPDATED 4/24/26

Northern boundary: SAME AS OLD: IL-255, IL-111, Airport Road

Western Boundary: SAME AS OLD: Pierce Lane, Dellmar Ave, State Street, Hwy 67, Hwy 143, Lewis and Clark Blvd

Southern boundary: Hwy 143

Eastern Boundary: Hwy 255, Vaughn Rd, Edwardsville Rd, 9th Street, Airline, Hwy 255

Minimum Sq. Ft. (ABOA): 1,500

Maximum Sq. Ft. (ABOA): 4,941

Space Type: Office

Parking Spaces (Total): Parking-to-square-foot ratio available on-site shall at least meet current local code requirements

Full Term: 5 years- Please see below

Firm Term: 3 years- Please see below

Option Term: N/A

Additional Requirements:

Important Note: 4,941 ABOA SF of office space is desired, for a term of 15 years, 10 firm. If that square footage is unavailable, the Government may consider office space ranging from 1,500 ABOA SF to 4,941 ABOA SF at its sole discretion. If the space is less than 4,940 ABOA SF, the term will be 5 yrs, 3 firm.

Parking-to-square-foot ratio available on-site shall at least meet current local code requirements

Space must be located in a prime commercial office district with attractive surroundings with a prevalence of modern design and/or tasteful rehabilitation in modern use.

Offered space must be located in contiguous space and on one floor.

Offered Space shall allow for an accessible main public entrance and an accessible separate employee entrance as part of the shell rate.

Employee and visitor entrances of the Building must be connected to public sidewalks or street by continuous, accessible sidewalks.

If space offered is above ground level, at least two (2) accessible elevators will be required.

The Government will have access to the space 24 hours a day, 7 days a week. Normal hours of operation are Monday through Friday 6:00 a.m. to 6:00 p.m. (excluding Saturdays, Sundays and Federal Holidays).

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 (NDAA), 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 Due: (Updated 4/24/26)

April 28, 2026

Market Survey (Estimated):

May 2026

Occupancy (Estimated):

October 2026

Send Expressions of Interest to:

Name/Title: Clarissa Mahoney

Email Address: Clarissa.mahoney@gsa.gov

Government Contact Information

Lease Contracting Officer: Alanna Fitzpatrick

Broker: Clarissa Mahoney

Solicitation Number:

Solicitation (RLP) Number: 0IL2403

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