JHU APL campus skyline

Locations and Directions

APL is located in Laurel, Maryland, situated between Baltimore and Washington, DC, and near I-95. Our main campus spans nearly 461 acres and is home to more than 20 major buildings, as well as a nearby satellite campus. 

Address and Directions

APL’s Main Campus

11100 Johns Hopkins Road               
Laurel, Maryland 20723

Montpelier Campus

MP1: 7700 Montpelier Road

MP2: 7701 Montpelier Road

MP3: 7707 Montpelier Road

MP4: 7703 Montpelier Road

MP5: 7705 Montpelier Road

MP6: 7651 Montpelier Road

MP7: 7710 Montpelier Road

South Campus

Building 200: 11101 Johns Hopkins Road

Building 201: 11091 Johns Hopkins Road

Research Parkway Location

9055 Guilford Road Research Parkway 1 (RP1), Columbia, Maryland 21046

Visitor Entrances

APL is located on Johns Hopkins Road, approximately 1/2 mile west of U.S. Route 29. There are several visitor entrances.

Field Offices

To better serve the needs of our sponsors, APL maintains a number of field offices in various locations around the country.