Presolicitation Notice: NATIONAL AERONAUTICS AND SPACE ADMINISTRATION (NASA) is seeking maintenance services for miscellaneous buildings at NASA LANGLEY RESEARCH CENTER in Hampton, VA (23681), USA. The purpose of this notice is to provide industry with a schedule update for planning purposes. The estimated milestone dates include RFP Issuance on August 23, 2023, Proposals Due on September 28, 2023, and Award on March 31, 2024. For more information, contact Ola Charles at laRC-CMOE-II@mail.nasa.gov.