Township of Frelinghuysen


Farmland Preservation
Historical Committee
Land Use Board
Municipal Clerk
Office of the Mayor
Open Space Committee
Online Forms
Recreation Committee
Residents Guide
Township Committee
Township History

(908) 852-4121
Fax: (908) 852-7621

Business Hours:
Monday - Friday
Closed for lunch

Mailing Address:
Township of Frelinghuysen
210 Main Street
Johnsonburg, NJ 07825

Follow us on



Frelinghuysen Township
Warren County, NJ

Frelinghuysen Township rated #4 in the
2015 Best Places to live in NJ for families.

About 24 square miles in area, the Township of Frelinghuysen offers an immensely varied prospect of mountains, valleys, rivers, marshes, rock ledges, and rolling farmland, as well as a history that is still very much in evidence—from old Indian camps near rivers and lakes to its several historic villages, many historic houses, and other structures, such as mills and lime kilns. [More...]

Mud Pond

New Jersey Municipal Website Rankings

Frelinghuysen Township finished 3rd in the county and 167th in the state!

Office of Emergency Management Coordinator

Nick Pachnos
Cell Phone: 908-256-6355

In an effort to provide more reliable and effective communications with citizens, Frelinghuysen Township has implemented Swiftreach Networks, Inc. as our emergency notification provider.

Swift911™ is a system designed to make phone calls to specific people or areas in the event of an emergency or for sharing important information. Frelinghuysen Office of Emergency Management and other departments will use this system to notify citizens by phone of information regarding you or your property. The system can make thousands of calls in a minute to convey vital information. These messages may include information on floods, fires, water emergencies, road closures, missing persons, evacuation orders, and weather emergencies.

The Swiftreach Network Data has been provided by a third party data provider and only includes listed phone numbers in Frelinghuysen Township. It is important for residents and business owners to provide contact information such as unlisted, unpublished or cell phone numbers. Accurate numbers in the database help to ensure emergency information will be passed on to everyone in a timely manner.

Please note: This website it is not monitored on a 24/7 basis and if you are experiencing a true emergency you should dial 911.

Add/Remove/Update Your Contact Information


February 22, 2018 - The town hall will be closing at 2 pm on Friday, February 23rd and re open on Monday, February 26th at 7:30 am. We are sorry for any inconvenience this may cause.

February 22, 2018 - The Township Wide cleanup days will be June 4-9th, 2018. More details TBA.

November 9, 2017 - You may have recently received a solicitation from an energy aggregation firm. Please be advised that the Township of Frelinghuysen has been in negotiation with IDT Energy, and not with any other firm providing energy aggregation services.

Information for new or current residents

A resource guide for new or current residents to the Township of Frelinghuysen can be found here.

The Frelinghuysen Township Municipal code book is available here:
Code of the Township of Frelinghuysen, NJ

Municipal Court

The Frelinghuysen Township Municipal Court is located at:

Municipal Courts of Knowlton Township
628 Route 94
Columbia, New Jersey 07832.

Court Clerk: Rosanne V. McPartland, CMCA

Telephone: 908-496-4131
Fax: 908-496-8997

Easy Things You Can Do Every Day To Protect Our Water...Storm water Brochure

Sign up for our Township Email list

When you sign up for Frelinghuysen E-News, you will be notified of upcoming events, meeting cancellations, community news, Frelinghuysen residents spotlights and much more.  We want to hear from you as well...have something to share, send your requests to

 Sign up for our Email Newsletter

For Email Marketing you can trust


 Copyright 2007 - 2018 - Township of Frelinghuysen
For problems or questions regarding this
website please contact [webmaster "at"].