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Smoke Alarm Law
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Licensing > Mail Payment

You can mail your payment to our bank lockbox at the following address.
Please be sure to write your license/registration number on your check. If paying for multiple properties, please include payment coupon(s) with your check (or print this page and include it with your check).

Licensing and Registration Unit
P.O. Box 9463
Gaithersburg, MD 20898