Village · Oyster Bay · 2028 tentative roll
Sea Cliff property taxes
43 homes sold here recently. The County valued them anywhere from 41% to 80% of what they sold for.
Free to look. A grievance can’t raise your assessment.
43 recent sales
County value as a share of each sale price
At the same $1.1M price, that’s $450k for one home and $880k for another.
- Typical County value
- $730,500
- Homes counted
- 1,795
How Sea Cliff compares
Value
$731k Higher than 72 of 119 hamlets and villages
Bills here run high partly because homes are worth more. That alone doesn’t mean anyone is over-assessed: what counts is how your home compares with similar homes in Sea Cliff.
Valued most like Sea Cliff: North Woodmere, Syosset, Cedarhurst
Is Sea Cliff assessed evenly?
43 one-to-three family homes in Sea Cliff sold in the 18 months before the County’s valuation date. For the middle sale, the County’s market value was 59.5% of the sale price. That is below 100%, so the County typically valued these homes lower than they sold for.
The County valued 0% of these homes above what they sold for. Values here are about as even as the standard assessors are held to.
- Homes sold and compared
- 43After setting aside 2 unusual sales
- County value as a share of sale price
- 59.5%The middle sale; 100% means the County’s value matched the price
- Valued above their sale price
- 0%
- Evenness of values (COD)
- 11.7The assessors’ standard for homes is 15 or lower; higher means less even
- Price-related differential (PRD)
- 1.010.98 to 1.03 is acceptable; higher favors expensive homes
By sale price
The same sales split into five groups by price. For the cheapest fifth, the County’s value was 65% of the sale price; for the priciest fifth, 56%.
Sale prices come from New York State SalesWeb records, adjusted to the valuation date by the local price trend of +0.6% a month. A ratio study describes Sea Cliff, not your home: one sale can be unusual. It is not an appraisal. Compare your own home or see how every district ranks.
Home values in Sea Cliff
A quarter of homes in Sea Cliff are valued under $588,000 and a quarter over $923,750. A home near the top isn’t over-assessed for that alone; it may simply be larger, newer, or on more land.
| Figure | 5th percentile | 25th percentile | Median | 75th percentile | 95th percentile |
|---|---|---|---|---|---|
| County market value | $26,450 | $588,000 | $730,500 | $923,750 | $1,301,550 |
| Assessed value | $26 | $588 | $731 | $924 | $1,302 |
County market value
- Median
- $730,500
- Middle half
- $588,000–$923,750
- Most homes (5th–95th)
- $26,450–$1,301,550
Assessed value
- Median
- $731
- Middle half
- $588–$924
- Most homes (5th–95th)
- $26–$1,302
Reading these figures
A median describes Sea Cliff, not your home, which may sit well above or below it for good reasons. The tentative roll can still change before it becomes final. This page summarizes published records and is not an appraisal; verify any figure that matters in the Nassau County Land Records Viewer, and see how these pages are built.
Common questions
How are homes in Sea Cliff assessed?
Nassau assesses one-to-three family homes at the same small fraction of County market value across the county. In Sea Cliff, the median assessed value is $731, which is 0.1% of market value. Your tax bill is calculated from assessed value.
How do I file a property tax grievance in Sea Cliff?
File with Nassau County’s Assessment Review Commission (ARC), online or on paper, during the published window of January 4–March 1, 2027. Filing is free, needs no attorney, and the County states a grievance never raises an assessment. ARC reviews the assessment behind county, town, and school taxes. The Village of Sea Cliff bases its village assessments on the County’s values but still reviews them itself, so ask the village clerk whether it holds a grievance day.
See any home’s County record and how it compares.
Look up any home to see the value the County has assigned it. No account, payment, or appeal authorization required.
We have records for every town and city in Nassau County.
School districts serving Sea Cliff
School districts that serve homes in this area. Each has its own summary page.
Town of Oyster Bay taxes and grievances · Browse every school district, hamlet, and village
Other hamlets and villages in Oyster Bay
Compare Sea Cliff with its neighbors on the same roll.
Keep reading
Understanding your Nassau County assessment
Market value, assessed value and your bill measure different things. A grievance argues the value behind your assessment is too high.
Choosing comparable sales
Homes like yours in size, type, location and condition. A neighbor’s lower tax bill isn’t evidence.
Nassau County tax grievance deadline
January 4–March 1, 2027, filed with ARC. Don’t count on an extension.