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Nassau County, N.Y.

Which Nassau County school districts are assessed least evenly

The County is supposed to value every home at the same share of what it would sell for. A ratio study checks that against real sales. Here are 61 school districts, least even first.

Source: Nassau County 2028 assessment roll and New York State SalesWeb sales · Districts studied: 61

Every district studied meets the assessors’ evenness standard (a COD of 15 or lower). In Oyster Bay/Oyster Bay - East Norwich CSD # 6, the County valued 0% of recently sold homes above what they sold for, the highest share here.

Districts, least even first

Showing 10 of 61 school districts. Ranks keep their published order.

One-to-three family homes sold before the County’s valuation date, prices adjusted to that date where a local trend was measured.
Oyster Bay/Oyster Bay - East Norwich CSD # 6Rank 113.20%56.7%1.0035
Lawrence School DistrictRank 213.20%58.1%1.03228
Locust Valley/Locust Valley CSD # 3Rank 313.10%60%0.9841
Amityville School DistrictRank 4130%55.2%1.0244
Hempstead School DistrictRank 512.60%50.6%1.00173
Glen Cove School DistrictRank 612.30%61.6%1.03147
Westbury School DistrictRank 712.20%56.7%1.02154
Glen Head/North Shore CSD # 1Rank 812.10%60.9%1.0431
Port Washington School DistrictRank 9120%66.3%1.03235
Long Beach School District (Hempstead)Rank 1011.90%60.5%1.0249

8 of 69 districts aren’t ranked because too few of their homes sold recently for a fair comparison, which needs at least 30 sales: Jericho School District (North Hempstead), Brookville/Locust Valley CSD # 3, Cold Spring Harbor School District, Glenwood Landing/North Shore CSD # 1 (North Hempstead), East Norwich/Oyster Bay - East Norwich CSD # 6, Floral Park - Bellerose School District (North Hempstead), New Hyde Park - Garden City School District, Roslyn School District (Oyster Bay).

Are cheaper homes valued higher?

Every sale studied here, 10,733 in all, split into ten groups by price. In the cheapest tenth the County’s value was 65% of the sale price; in the priciest tenth it was 60%. The County’s values track sale prices about evenly from the cheapest homes to the priciest.

Cheapest$374K–$667K · 1,073 sales
2 of 10$667K–$725K · 1,073 sales
3 of 10$725K–$769K · 1,073 sales
4 of 10$769K–$812K · 1,074 sales
5 of 10$812K–$860K · 1,073 sales
6 of 10$860K–$923K · 1,073 sales
7 of 10$923K–$1.02M · 1,074 sales
8 of 10$1.02M–$1.23M · 1,073 sales
9 of 10$1.23M–$1.6M · 1,073 sales
Priciest$1.61M–$19.2M · 1,074 sales
65%
63%
62%
61%
61%
61%
62%
61%
60%
60%
County market value as a share of the sale price, middle sale of each price band. Right of the dashed line, the County valued homes above what they sold for.

How to read the ranking

Each district links to its own page with the full study and how values are spread. To see where your own home sits, compare it with similar homes nearby. You can also compare school district taxes.

Keep reading

Choosing comparable sales

Homes like yours in size, type, location and condition. A neighbor’s lower tax bill isn’t evidence.

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.

Nassau County tax grievance deadline

January 4–March 1, 2027, filed with ARC. Don’t count on an extension.

Good Grieves is independent of Nassau County. These figures summarize published County records and State sales records; they are not an appraisal. Savings from a grievance are not guaranteed.