Nassau County Property Appraiser
GIS Data Availability Update for Nassau County Interactive Map
Important Notice for Visitors
Ongoing Updates and Adjustments
The Nassau County interactive map displays Geographic Information System (GIS) data that is subject to continuous updating change and data accuracy representations adjustments.
Before visiting any of our locations, we strongly encourage you to utilize the chat function on our website or email us at [email protected]
Important Upcoming Date
Trim Mail-Out Day: August 17, 2023
About County Clerk Michael McQuade
Nassau County Clerk Mike McQuade is a lifelong resident of Nassau County. Before his election, he spent 35 years working as a State Certified Appraiser and Real Estate professional.
The Clerk's Office offers a comprehensive range of property-related services and forms, including:
- Mortgage recordings
- Property tax payments
- Birth and death certificate processing
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