Understanding Property Tax Assessments in NYC and How to Challenge Them

If you own property in New York City, your property tax bill is one of the most significant ongoing costs you face. Yet many owners pay that bill year after year without ever questioning whether the number is actually correct. The truth is that property tax assessments in NYC are frequently inaccurate, and owners who take the time to understand the process and push back when something looks wrong can sometimes save thousands of dollars a year. Our New York City real estate lawyers at Yeung & Associates, PLLC understand this process and are here to help.
How Do NYC Property Tax Assessments Work?
The New York City Department of Finance is responsible for assessing the value of every property in the five boroughs each year. That assessed value is then used to calculate your tax bill. The city divides properties into four classes, and the rules for how each class is assessed differ significantly. One, two, and three family homes fall into Class 1 and are treated differently than larger residential buildings or commercial properties. Understanding which class your property falls into is the first step toward understanding your bill.
Assessments are supposed to reflect market value, but the methodology the city uses does not always track what is actually happening in the real estate market. That gap between assessed value and true market value is one of the most common sources of error, and it is also one of the most actionable.
Reasons an Assessment Might Be Wrong
There are several reasons your property may be overassessed. The city might be using outdated sales data, incorrect square footage, or inaccurate information about the condition of your property. Comparable sales in your neighborhood might tell a different story than the number on your assessment notice. In some cases, the city simply has the wrong physical description of the property on file.
It is also worth knowing that New York State law caps how much a Class 1 property’s assessed value can increase in a single year and over a five year period. If your assessment has jumped in ways that seem inconsistent with those caps, that is worth examining closely.
How Can I Challenge My Assessment?
Property owners in NYC have the right to challenge their assessments through the Tax Commission, a separate city agency that reviews contested assessments each year. The process starts with filing an application, and the deadline is typically March 1 for most property classes. Missing that date means waiting another full year, so timing matters.
When you file, you will need to support your challenge with evidence. For homeowners, that often means pulling recent comparable sales in your neighborhood and showing that your assessed value does not reflect what similar properties are actually selling for. For income producing properties, you may also submit income and expense data. The stronger and more specific your evidence, the better your chances of a meaningful reduction.
If the Tax Commission reduces your assessment, the savings apply to that tax year. If your challenge is denied or the reduction is insufficient, you have the option to take the matter to court through a proceeding under Article 7 of the Real Property Tax Law.
Why It Is Worth Looking Into
Most property owners assume their assessment is correct simply because it arrived in an official notice. That assumption costs people real money every year. The challenge process exists precisely because errors happen, and the city does not proactively correct them on your behalf.
Schedule a Consultation Today
At Yeung & Associates, PLLC, we help property owners in Brooklyn, New York understand their assessments and navigate the challenge process with confidence. If your tax bill has been climbing or something about your assessment does not look right, it may be worth a closer look.
