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** Please note, the County Assessor and County Clerk Databases’ are formatted differently and may have different place holders for section, block, and lots. Accordingly, please ensure your section block and lot conform with the official record of the Nassau County Clerk.

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2386 Grand Ave, Baldwin, NY 11510: Baldwin Fire Department - Hose Company 2: 848 Church St, Baldwin, NY 11510: Baldwin Fire Department - Hose Company 3: 730 Baldwin Ave, Baldwin, NY 11510: Baldwin Fire Department - Hose 4 / Ladder 2: 1250 Grand Ave, Baldwin, NY 11510

The Nassau County Treasurer's Office handles Tax Lien Sales. You can contact them at (516) 571-2090 or visit their website at: www.nassaucountyny.gov/agencies/Treasurer. How can I obtain information on my property assessment? Information on the assessment of your property can be found through the Nassau County Department of Assessment.

Last year, Nassau County Executive Laura Curran completed the long overdue countywide property reassessment. The reassessment was a necessary step to restore accuracy and fairness to the County's broken and corrupted assessment system.

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Nassau County Fire Marshal. Certificate of Fitness Testing. Email Address: *

Contact Form. Nassau County Board of Ethics. All fields marked with a red asterisk (*) are required

Due to lack of inventory, we are no longer accepting requests for COVID-19 Test Kits.