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P.O. Box 159
Pasadena MD, 21123 USA
(410) 766-8336
(410) 255-8980 (FAX)

For additional information regarding any of our residential alarm systems & services, please contact us at

tel: (410) 766-8336 or email


AASCO provides homeowners with both basic and custom security and fire systems. Basic System, our most affordable option, can be professionally installed for the cost of a DIY system. These systems are designed with future expansion (up to 32 zones) in mind.
Basic Systems includes:

  • One (1) Master Control Panel with entry/exit delay, pre alarm warning, power monitor, back-up rechargeable battery.

  • One (1) Keypad with built in wireless receiver.

  • Three (3) wireless door/window contacts

  • One (1) wireless motion

  • One (1) key FOB

    • Receive a 2nd Key FOB for mentioning this website.

  • One (1) year standard monitoring agreement is required.

Custom Systems can be tailored to the homeowner's lifestyle and special needs, including water and freeze monitoring.

Please call for an appointment (410) 766-8336