| Primary address | 18 Williams Avenue, Holtsville |
| Zip code | 11742 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 6843180 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $7,046 |
| Building sqft | 1,420 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.18 |
| Year built | 1930 |
| Rooms | 7 |
| Bedrooms | 3 |
| Bathrooms | 2 |
| School district | Sachem |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
18 Williams Avenue, Holtsville, NY 11742 was built in 1930 and has a total of 1,420 square feet.
What is the assessed value of 18 Williams Avenue, Holtsville, NY 11742 and the property tax paid?Assessed at $2,200, the tax amount paid for 18 Williams Avenue, Holtsville, NY 11742 is $7,769.
When was 18 Williams Avenue, Holtsville, NY 11742 last sold?18 Williams Avenue, Holtsville, NY 11742 was last sold in 09/14/2020.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 18 Williams Avenue, Holtsville, including title documents, transfer conditions, mortgages and liens.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 18 Williams Avenue, Holtsville, NY 11742. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $7,770 |
| Current property tax | $7,046 |
| Market value | $415,094 |
| Assessed value | $2,200 |
Here's the assessment & property tax history for 18 Williams Avenue, Holtsville, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2024-2025 | $415,094 | $2,200 | 338.342 | $7,444 | -17.92% |
| 2023-2024 | $407,408 | $2,200 | 412.188 | $9,068 | +27.16% |
| 2022-2023 | $354,839 | $2,200 | 324.157 | $7,131 | +3.72% |
| 2021-2022 | $297,297 | $2,200 | 312.54 | $6,876 | +2.63% |
| 2020-2021 | $285,714 | $2,200 | 304.524 | $6,700 | +1.29% |
The complete history of permits filed for 18 Williams Avenue, Holtsville, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Create a free account to unlock extended information for 18 Williams Avenue, Holtsville, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 18 Williams Avenue, Holtsville to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Long Island Baptist Academy | NR | Private | 2-12 | 8 | 0.13 |
| Waverly Avenue School | 6 | Public | K-5 | 463 | 0.63 |
| Tamarac Elementary School | 7 | Public | K-5 | 443 | 0.81 |
| Chippewa Elementary School | 5 | Public | K-5 | 515 | 1.24 |
| Lynwood Avenue School | 5 | Public | K-5 | 572 | 1.56 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Long Island Baptist Academy | NR | Private | 2-12 | 8 | 0.13 |
| Sagamore Middle School | 6 | Public | 6-8 | 933 | 0.90 |
| Seneca Middle School | 6 | Public | 6-8 | 973 | 1.43 |
| Oregon Middle School | 5 | Public | 6-8 | 592 | 2.80 |
| Samoset Middle School | 6 | Public | 6-8 | 892 | 3.00 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Long Island Baptist Academy | NR | Private | 2-12 | 8 | 0.13 |
| Sachem High School East | 7 | Public | 9-12 | 2,082 | 2.79 |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 3.18 |
| Patchogue Medford High School | 5 | Public | 9-12 | 2,443 | 3.19 |
| Aunt T's Home Day Care | NR | Private | PK, K-12 | 0 | 3.33 |
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Here are the neighbors for 18 Williams Avenue, Holtsville.