The leasing company for 1707 L Street is Transwestern, located at 1700 K Street, NW, Suite 660, Washington, DC 20006. The main phone number is (202) 775-7000. Listed below is the contact information for the authorized representatives.
| Name | Title | Phone Number | |
| Tom Hilley | Executive Vice President | (202) 775-7008 | tom.hilley@transwestern.net |
| Peter Prominski | Executive Vice President | (202) 775-7005 | peter.prominski@transwestern.net |