Fall Township-Wide Yard Sale

Saturday, October 10th, 2026

A permit is required. Use the attached permit registration form and turn it in at the municipal building at these times:

Wednesday, October 7th from 1 - …

Fall Clean Up Day 2026

Fall Clean Up Days will be held on October 16th & 17th from 8 am to 4 pm.

Download permit form here

West Nile Virus Update

Three more samples of Culex mosquitoes have tested positive for West Nile virus (WNV). The samples were collected on August 18, 2026. So far this year in Warren County, there have been a total of eight (8) WNV positive mosquito samples; the positive mosquitoes were collected from Belvidere (2), Greenwich Township (3), Hackettstown, Lopatcong Township (3), and Washington Township. For West Nile virus surveillance, adult mosquitoes are collected from traps specifically designed to catch Culex …

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Upcoming Events

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Tax Rate and Deadline

As of August 3rd, Greenwich Township has received the 2026 tax rate of $4.237. Tax bills will be mailed by August 13th with a final due date of September 10th for the August quarter.  The website will also be updated to reflect the tax amounts with the new rate.

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Fall Township-Wide Yard Sale

Saturday, October 10th, 2026

A permit is required. Use the attached permit registration form and turn it in at the municipal building at these times:

Wednesday, October 7th from 1 - …

Upcoming Events

View entire calendar