Suffolk County Property Tax Appeal Guide
If your Suffolk County, NY property is over-assessed, you can appeal to lower your tax bill. Here are the deadlines, filing steps, and how often appeals succeed.
- Appeal deadline
- Third Tuesday in May
- Appeal success rate
- 53%
- Effective tax rate
- 2.3%
- How to file
- Board of Assessment Review (RP-524)
- Pre-fillable appeal form
- County form required
How to appeal your assessment in Suffolk County
Compare your assessed value to recent comparable sales. If your home is assessed above market value, gather 3–6 comparable sales and file your appeal with Suffolk County before the deadline. A well-documented appeal with strong comps has the best chance of a reduction.
Check if you are over-assessed
Upload your assessment notice for an instant comparable-sales analysis, an over-assessment estimate, and a pre-filled appeal.
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For informational purposes only. Not legal, tax, or medical advice.