ZIP Code 07831

Homes in the 07831 ZIP code, which covers Allamuchy, carry a county-level property tax rate of 2.34%, a figure that points to an affluent, high-valuation corner of New Jersey where larger assessments translate into substantial annual bills even at a rate near the state norm. Sales tax across the area totals 6.62%, adding a measurable cost to everyday purchases. Together these rates sketch a community whose households absorb a heavier overall tax load than many parts of the country, consistent with the pricey housing stock and higher earning levels found around this part of Warren County.