Management Company Corporate Office

Community Association Services, Inc., AAMC
18401 Woodfield Road, Suite H
Gaithersburg, MD 20879
Phone: 301.840.1800
Toll Free: 800.883.0799
Fax: 301.840.1801


After Hours Emergencies: 888-788-2678


To view your account and payment status, select the Payments tab under the My Account menu item in the top right after logging in.

Mailing Address for Homeowners Assessments

Hallowell HOA
c/o CAS, Inc.
PO Box 11973
Newark, NJ 07101-4973

Accounting Department/
Assessment Questions
301-840-1800 EXT. 32

For information about Architectural Control

Hallowell regulates the exterior appearance of homes. To find out more or to apply for a modification to your home, please email Architecturalcommittee@hallowellhoa.net.