2014 Frog Falls Registration now open to Mount Arlington Residents    The updated landlord registration forms are now available.    The Alarm Registration Form is now available.
Welcome to the Borough of Mount Arlington, New Jersey
Gateway to Lake Hopatcong
Email Alerts

The Borough is creating an Email distribution list which will be used to send bulletins to Borough residents.

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Borough Hall

419 Howard Boulevard

Mount Arlington, NJ 07856

Main Phone

(973) 398-6832

Office Hours:

Monday through Friday
Open: 8:30 a.m. to 1:00 p.m.
Closed: 1:00 p.m. to 2:00 p.m.
Open: 2:00 p.m. to 4:30 p.m.

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5K Memorial Run/Walk

The 5K Memorial Run/Walk, in honor of Officer Wargo, was held on Saturday, October 5th, 2013. Below, please find important information regarding this event.


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