There are 424,058 parcels in Nassau County (384,657 residential) across 55 school districts. Below is a plain-English guide to the three things people actually mean by "Nassau property records" — and the fastest way to find each one.
Type a Nassau address and we pull the parcel from the 2025 assessment roll, show the assessed value, school district, exemptions on file, and the estimated tax bill.
Search a Nassau address →There are three different things Nassau homeowners and buyers usually mean by "property records" — and they live in three different places:
If what you want is the assessed value, school district, exemption status, or estimated tax bill for a Nassau home, you can enter the address in our search at the top of this page. We pull from the current Nassau assessment roll and show:
The official version of this data lives at the My Nassau Property portal. It's authoritative but harder to read; we mirror the same underlying numbers in plain English.
The Nassau County Clerk operates the Land Records Viewer (LRV), which is the official, free, public system for searching:
You can search by name, address, document type, date range, or Section/Block/Lot. Document images are viewable free; certified copies require a small fee paid to the Nassau County Clerk.
Quick reference: which portal handles which record.
| What you need | Where to look | Cost |
|---|---|---|
| Assessed value, school district, taxes | Long Island Property Tax (our search) or My Nassau Property | Free |
| Deeds, mortgages, liens | Land Records Viewer | Free to view, fee for certified copies |
| Tax bill history and payments | LRV Tax Lookup or Nassau Treasurer | Free |
| Certificate of Occupancy, permits | Town building department (Hempstead, N. Hempstead, Oyster Bay) or your village | Free record search; copy fees vary |
| Survey or site plan | Town clerk or county clerk archive | Fee varies; not always digitized |
| Grievance / SCAR filings | Nassau ARC (we have a guide) | Free to file |
If you pull up a Nassau parcel through our search, you'll see these fields. They're the same fields the assessor uses internally:
Nassau's official portals are accurate but spread across half a dozen sites and require knowing the right system for each question. We pulled 424,058 Nassau parcels from the official state assessment roll and present them in one place, with the calculations done for you. Everything is sourced from public data; we link to the official sources in every section so you can verify any number.
See the assessed value, taxes, exemptions, and estimated bill for any Nassau home — plus what the bill becomes when current exemptions expire.
Search by address →Last verified: 2026-05-23. Tax rules change; we re-verify each page quarterly.
Estimates and educational content only — not legal, tax, or financial advice. Verify with your county or town receiver, an attorney, or a CPA before making financial decisions.