Hamlet · Hempstead · 2028 tentative roll
South Valley Stream property taxes
92 homes sold here recently. The County valued them anywhere from 42% to 82% of what they sold for.
Free to look. A grievance can’t raise your assessment.
92 recent sales
County value as a share of each sale price
At the same $950k price, that’s $402k for one home and $782k for another.
- Typical County value
- $537,000
- Homes counted
- 3,330
How South Valley Stream compares
Value
$537k Higher than 43 of 119 hamlets and villages
Bills here run lower partly because homes are worth less. That alone doesn’t mean anyone is over-assessed: what counts is how your home compares with similar homes in South Valley Stream.
Valued most like South Valley Stream: Franklin Square, Glenwood Landing, Westbury
Is South Valley Stream assessed evenly?
92 one-to-three family homes in South Valley Stream sold in the 18 months before the County’s valuation date. For the middle sale, the County’s market value was 62.2% 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
- 92After setting aside 1 unusual sales
- County value as a share of sale price
- 62.2%The middle sale; 100% means the County’s value matched the price
- Valued above their sale price
- 0%
- Evenness of values (COD)
- 10.2The assessors’ standard for homes is 15 or lower; higher means less even
- Price-related differential (PRD)
- 1.020.98 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 68% of the sale price; for the priciest fifth, 57%.
Sale prices come from New York State SalesWeb records, adjusted to the valuation date by the local price trend of +0.7% a month. A ratio study describes South Valley Stream, 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 South Valley Stream
A quarter of homes in South Valley Stream are valued under $457,000 and a quarter over $708,000. 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 | $398,000 | $457,000 | $537,000 | $708,000 | $885,000 |
| Assessed value | $398 | $457 | $537 | $708 | $885 |
County market value
- Median
- $537,000
- Middle half
- $457,000–$708,000
- Most homes (5th–95th)
- $398,000–$885,000
Assessed value
- Median
- $537
- Middle half
- $457–$708
- Most homes (5th–95th)
- $398–$885
Taxes paid in South Valley Stream
We have County payment records for only 20 of the 3,330 homes in South Valley Stream, and they are not a random sample. Among those homes, the median school and general payment recorded for 2026 was $9,209. Treat it as a rough guide, not the area’s typical bill.
View recorded payments by year (6 years)
| Collection year | Homes | Median recurring payment | Change |
|---|---|---|---|
| 2021 | 20 | $8,248 | No earlier year |
| 2022 | 20 | $8,498 | +3.0% |
| 2023 | 20 | $8,551 | +0.6% |
| 2024 | 20 | $8,287 | −3.1% |
| 2025 | 20 | $8,234 | −0.6% |
| 2026 | 20 | $9,209 | +11.8% |
Reading these figures
A median describes South Valley Stream, not your home, which may sit well above or below it for good reasons. The tentative roll can still change before it becomes final. Recorded payments are not a tax bill: exemptions and special districts vary by home. 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 South Valley Stream assessed?
Nassau assesses one-to-three family homes at the same small fraction of County market value across the county. In South Valley Stream, the median assessed value is $537, which is 0.1% of market value. Your tax bill is calculated from assessed value.
How do I file a property tax grievance in South Valley Stream?
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. If your home is in an incorporated village that sets its own assessment, the village holds a separate grievance, usually in February.
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 South Valley Stream
School districts that serve homes in this area. Each has its own summary page.
- Valley Stream - 24 School District1,297 homes
- Hewlett - Woodmere School District881 homes
- Lawrence School District652 homes
- Valley Stream - 30 School District491 homes
Town of Hempstead taxes and grievances · Browse every school district, hamlet, and village
Other hamlets and villages in Hempstead
Compare South Valley Stream 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.