After Hours Emergency


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If you have an emergency when our offices are closed such as fire (after 911 has been called), the smell of gas (call the local gas company emergency line first), flood, sewer backup, any occurrence that could cause further damage to the structure or any threat to life safety/health,  building-wide heat loss during winter months, an electricity outage not tied to a circuit issue or the power company ​please call 410-997-7767 and follow the prompts. For non-emergency maintenance issues, you can complete the form below to email us.

American Community Management

Online Portal

Click Here to access your community online portal.
Key features include: Announcements, Community Documents, Events, and the ability to create and track Requests through your client portal.
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The Request feature is the best way to quickly and efficiently communicate with your management team and/or Board of Directors.  All Maintenance Requests, Architectural Requests, and community concerns can be tracked at your convenience on the portal page.

​If you have not already activated your new account, please visit www.acmhome.com and follow the activation instructions located at the top of the page.

If you experience difficulty logging in, please call our office at 410-997-7767 to speak to a member of our customer care team. 
​Office Hours:
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(Appointments are highly encouraged)
Request an Appointment
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Monday-Thursday: 9:00 am to 5:00 pm 
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Friday: 9:00 am to 1:00 pm

Address Information:

Main Office:  
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PO Box 488
Linthicum Heights, MD 21090 ​
Phone: 410-997-7767
​Fax: 443-883-3745
Toll Free: 1-800-463-1086
Satellite Office:
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21 Crossroads Drive, Suite 340
Owings Mills MD 21117
Phone: 410-997-7767
Satellite Office:
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9701 Apollo Drive, Suite #451
Upper Marlboro, MD 20774
Phone: 410-997-7767
Payment Address Only:

(Name of Association c/o ACM)
PO BOX 98161 
Phoenix, AZ 85038-0161