Official Site of The State of New Jersey

Washington Township is located in the southeastern portion of Warren County. Encircling the more developed Washington Borough, Washington Township is home to abundant farmland and open space, with the Musconetcong River and the Warren Heritage Scenic Byway forming its southeaster border. Pohatcong Creek parallels the Musconetcong to the northwest and several historic sites along the Morris Canal can be found within the Township.  

Area 11,548 acres/18.04 mi²
Preservation Area 3,595 acres
Planning Area 7,953 acres
RMP Conformance Status Conforming, whole municipality.
Liaison Corey Piasecki
Washington Township, Warren County official website

Certified to issue certain Highlands Exemptions.

Please contact the municipality directly for the most recent versions of planning and regulatory documents. Please contact the Highlands Council liaison listed above for information about Washington Township’s work with the Council.

• Highlands Conformance Ordinance - 2025
• Highlands Preservation Area Exemption Ordinance – 2014  [Municipality is authorized to issue certain Highlands Exemptions] 
• Highlands Environmental Resource Inventory (ERI) – 2014
• Planning Area Petition Withdrawal – 2013