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Richmond County at a glance
Population: 490,687 (Census estimate, 2023) — the 10th largest of 62 New York counties and county equivalents.
Typical tax bill: $5,844 a year (median for owner-occupied homes, ACS 2022 5-year estimate) — the New York median is $6,303.
Land area: 57.5 sq mi, about 8,530.3 people per sq mi.
What would the tax be on a house I buy here?
On a $400,000 purchase in Richmond County, NY, property tax comes to about $3,652 a year — roughly $304 a month — at this county's effective rate of 0.91%.
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Effective rate 0.91% = this county's median owner-occupied tax bill ($5,844, ACS 2022 5-year estimate) divided by the typical home value at the time ($640,120, Zillow, 2022-12-31). Exemptions the seller holds — homestead, senior, veteran — usually do not transfer with the deed, so a new purchase can run above this figure. The county assessor sets the assessed value; this is an estimate, not a quote.
If you pay late
Interest is charged from the original due date, compounded daily, if payment is made after the grace period.
NYC's fiscal year runs July 1 to June 30; bills are mailed about a month before each due date, quarterly up to $250,000 assessed value and semiannually above. If a due date lands on a weekend or public holiday, most counties move it to the next business day — check the county's own notice before relying on the shift.
By post: mail a cheque to the treasurer's office; the postmark date usually counts, not the arrival date.
In person: the treasurer's office during business hours; bring your bill or parcel number.
Mortgage escrow: if your taxes are escrowed, the servicer pays — you still owe the difference if your escrow is short.
Common questions
When are property taxes due in Richmond County, NY?
3rd quarter, fiscal 2027: January 4, 2027. 4th quarter, fiscal 2027: April 1, 2027.
What happens if I pay late in Richmond County?
Interest is charged from the original due date, compounded daily, if payment is made after the grace period.
How do I pay Richmond County property tax?
Pay online through a836-citypay.nyc.gov, the county's own payment portal, or by post or in person at the treasurer's office.
Is the Richmond County deadline the same every year?
NYC's fiscal year runs July 1 to June 30; bills are mailed about a month before each due date, quarterly up to $250,000 assessed value and semiannually above. Counties shift dates when billing is delayed, so confirm against the county source linked on this page.
How much is property tax on a $400,000 house in Richmond County, NY?
About $3,652 a year, or $304 a month, at this county's effective rate of 0.91%. That rate is the county's median owner-occupied tax bill ($5,844) divided by the typical home value ($640,120). A seller's homestead or senior exemption usually does not transfer, so a new purchase can cost more.
What if I can't pay in full?
Most counties offer instalment plans or partial payment — ask the treasurer before the due date, not after. Once the bill is delinquent the options shrink and the fees start.
Does a late payment affect my mortgage?
Unpaid property tax is a lien on the property in most states, which your servicer may pay and then bill you for, with fees. It does not disappear.
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CountyTaxDates is an independent reference and is not a government agency. Deadlines change and exceptions apply — always confirm with your county treasurer using the official link on this page. Nothing here is tax, legal or financial advice.