Middlesex County Assessor

Find Middlesex County New Jersey assessor, assessment, auditor's, and appraiser's office, revenue commissions, GIS, and tax equalization departments. Assessors provide information on property and land tax assessment, property listings, values, valuations, property search, and records.


Cranburry Township Assessor 23 North Main Street Cranbury NJ 08512 609-395-0544


Edison Assessor 100 Municipal Boulevard Edison NJ 08817 732-248-7211

New Brunswick Assessor 78 Bayard Street New Brunswick NJ 08901 732-745-5011

Piscataway Township Assessor 455 Hoes Lane Piscataway NJ 08854 732-562-2328

South River Assessor 33 Gordon Street South River NJ 08882 732-257-1209

Spotswood Borough Assessor 77 Summerhill Road Spotswood NJ 08884 732-251-0700

What is an Assessor?

An assessor determines the values of properties in a local jurisdiction, such as a county or state. This assessment is then used to determine the taxable value of each property and the corresponding property tax amount. An assessor works with an auditor's office or local revenue commission to determine real estate and property value increases and decreases. The department may work with an appraiser's office on new construction projects to produce property and land tax assessments.

Assessors use a variety of GIS maps and tax equalization tools to determine valuations within their specific boundaries. The assessor determines which properties are exempt from property taxes and ensures that taxpayers aren't overburdened, as well as ensuring that properties aren't undervalued or overvalued. Assessors may provide valuable information for related property searches.