Nassau County Real Property Tax Service

Nassau County assessment office provides property assessment and parcel information.

Located in Nassau County, New York

Contact Information

Office Name:
Nassau County Real Property Tax Service
Official Website:
Visit WebsiteOfficial source verified
County FIPS:
36059
Data Available Online:
Yes
Last verified:
2026-07-13

Services

property assessments
assessment rolls
parcel search
GIS maps

Searching Nassau County Real Property Tax Service Records

Data available

property assessmentsassessment rollsparcel/GIS maps

Use the NY Tax Municipal Data Portal to select a county or municipality, then follow the assessor's assessment-roll or parcel-search instructions.

Additional Information

The Nassau County assessment listing connects residents with New York's official municipal assessment resources. Use the state portal to locate the local assessor, assessment roll, and parcel information.

Additional Resources

Looking for other offices in this area?

View All Nassau County County Offices