School district · Oyster Bay · 2028 tentative roll
Brookville/Locust Valley property taxes
The typical home here is valued at $1,710,500, the 2nd-highest of 69 school districts.
Free to look. A grievance can’t raise your assessment.
Typical County value: $1,710,500
The 2nd-highest of 69 school districts
- Middle half
- $1,322,500–$2,410,000
- Homes counted
- 930
How Brookville/Locust Valley compares
Value
$1.71M Higher than 67 of 69 school districts
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 Brookville/Locust Valley.
Valued most like Brookville/Locust Valley: Manhasset, Cold Spring Harbor, Jericho
How often Brookville/Locust Valley grieves
Across Nassau, most homes that file win a reduction. The dark line on each bar is Nassau as a whole.
One-to-three family homes. Filings are Nassau’s list of applications for the 2028 roll; a reduction is a final assessment below what the County’s 6% cap would have set. Winners’ cuts averaged 10% on the 2027 roll. Compare every district or read how a grievance works.
Is Brookville/Locust Valley assessed evenly?
Too few homes in Brookville/Locust Valley sold recently to compare the County’s values with sale prices. A fair comparison needs at least 30 sales. See how every district ranks.
Home values in Brookville/Locust Valley
A quarter of homes in Brookville/Locust Valley are valued under $1,322,500 and a quarter over $2,410,000. 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 | $62,100 | $1,322,500 | $1,710,500 | $2,410,000 | $3,965,100 |
| Assessed value | $62 | $1,323 | $1,711 | $2,410 | $3,965 |
County market value
- Median
- $1,710,500
- Middle half
- $1,322,500–$2,410,000
- Most homes (5th–95th)
- $62,100–$3,965,100
Assessed value
- Median
- $1,711
- Middle half
- $1,323–$2,410
- Most homes (5th–95th)
- $62–$3,965
Reading these figures
A median describes Brookville/Locust Valley, 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 Brookville/Locust Valley CSD # 3 assessed?
Nassau assesses one-to-three family homes at the same small fraction of County market value across the county. In Brookville/Locust Valley CSD # 3, the median assessed value is $1,711, which is 0.1% of market value. Your tax bill is calculated from assessed value.
How do I file a property tax grievance in Brookville/Locust Valley CSD # 3?
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.
Hamlets and villages in this school district
Places with the most homes on the roll in this district. Each has its own summary page.
- Glen Head511 homes
- Oyster Bay169 homes
- Upper Brookville53 homes
- Locust Valley51 homes
- East Norwich43 homes
Town of Oyster Bay taxes and grievances · Browse every school district, hamlet, and village or compare school districts
Other school districts in Oyster Bay
Compare Brookville/Locust Valley with its neighbors on the same roll.
- Massapequa School District15,899 homes
- Hicksville School District12,070 homes
- Farmingdale School District10,843 homes
- Plainview/Plainview-Old Bethpage CSD8,332 homes
- Plainedge School District6,289 homes
- Bethpage School District5,870 homes
- Locust Grove/Syosset CSD # 24,588 homes
- Jericho School District4,553 homes
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.