The offices of Colonial Investment & Management Company are open at Treadway Towers, 9 E Loockerman Street, Suite 2-C, Dover, DE. We can be reached by telephone (302-736-0674), email ( or, or the CONTACT US tab of this website.

In order to protect the health of our maintenance staff, we do ask that if you are experiencing any COVID-19 symptoms to please make us aware when submitting a maintenance request.

If you need to drop off a rent payment at our office, there is a mail-slot drop to the left of our office door. Residents may also go to the RESIDENT PORTAL tab at to register to make rent payments online via Credit Card, Debit Card or directly from your checking account via ACH.

Apartment showings are limited to VACANT apartments only until further notice.

If you have any questions, please give us a call at 302-736-0674.

We want all of our Residents, Vendors, Employees and their Families to stay safe and healthy during these difficult times. 

(Updated 04/04/2023)