System Availability - The GAD Online Service center is available 24 hours a day,
7 days a week from any home, office, or public access point. However, information may
not be available during times of system maintenance. For assistance - contact
the General Accounting Division:
- By phone Monday through Friday between 8:30 a.m. and 4:30 p.m. EST. at 410-260-7813 or
toll-free at 888-784-0144
- By email at GAD@marylandtaxes.gov
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