IPAC is located in two building on the Caltech campus in Pasadena, California:
David W. Morrisroe Astroscience Laboratory (770 South Wilson Avenue)
Keith Spalding (3rd floor; 1200 E California Blvd)
MC 100-22 (Morrisroe Building) or MC 314-6 (Keith Spalding Building)
1200 E California Blvd
Pasadena, CA 91125
To get in touch with a specific IPAC staff member visit the staff directory.
IPAC's normal operating hours are Monday-Friday from 8am-5pm. If you need to have access to the buildings outside of normal operating hours, you may request an access card or key for the duration of your visit.
Limited street parking may be available just south of the Morrisroe Bldg at the entry to Tournament Park.
For car parking, visitors must have a Caltech Parking Permit, which can be obtained from the pay station located at the California Blvd parking structure. Individuals with handicapped access must also display a parking permit, but otherwise follow regular handicapped parking regulations.
JPL personnel may use their JPL parking permits to park at Caltech. Colored JPL permits that are valid On-Lab are now valid in commuter spaces in all Caltech lots and structures. Qualified JPL personnel that do not have On-Lab parking privileges may obtain a temporary permit from the JPL Parking Office when they have a need to park at Caltech.
Hours of enforcement are Monday - Friday, 7am to 5 p.m. Red zones, fire lanes, no parking zones, handicapped spaces, and certain posted reserved spaces are enforced 24 hours a day, 7 days a week.
For visitors coming to Caltech, Caltech maintains a visitor webpage with information about parking, hotels and more. Please see: https://www.caltech.edu/about/visit/plan-your-visit.
NASA/IPAC Infrared Science Archive (IRSA)
NASA Exoplanet Science Institute (NExScI)
NASA Exoplanet Archives
NASA/IPAC Extragalactic Database (NED)
Keck Observatory Archive (KOA)
NASA's Spitzer Space Telescope
Montage Image Mosaics