FREE NASSAU PROPERTY CHECK
See your County record
and nearby sales context.
Enter your street address to start with the assessment record. No account, payment, or appeal authorization required.
County records and sales are useful starting points, not an appraisal or a promise of lower taxes. After you review the result, you can decide whether it deserves a second look.
What can I learn about my property?
Start with your house number and street name, then select the matching address. Your property check brings together the imported assessment record, available property details, nearby sales, and available tax-payment history so you can review them in one place.
Which records does the lookup cover?
The search covers Nassau County records available in our imported assessment rolls. We are expanding coverage town by town across Hempstead, North Hempstead, Oyster Bay, Glen Cove, and Long Beach, and a search with no match tells you which towns are loaded so far. A missing result does not mean your property has no assessment. Search results identify the roll year. Property details and history may come from different County records and may be incomplete or older than the current record.
Check the official Nassau County Land Records Viewer before relying on a value or property detail. Try leaving out the town and ZIP code if your first search returns no match.
How should I read the results?
- Keep the assessment year in view when comparing records.
- Look for differences in living area, condition, and property type before treating a nearby sale as comparable.
- Read tax-history labels carefully: recorded payments and billed taxes are different measures. Missing data is not a zero-dollar bill.
Our guide to understanding your Nassau assessment walks through the figures and a practical review checklist.
Does checking my property file an appeal?
No. A lookup does not submit a grievance, authorize representation, or enroll you in a paid service. If you want to explore an appeal, read the Nassau County grievance deadline guide and confirm the current instructions with the County.