| Primary address | 18 William Street, Copiague |
| Zip code | 11726 |
| County | Suffolk |
| Municipality | Babylon |
| Parcel ID | 180-4-73 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Property tax | $8,652 |
| Building sqft | 1,456 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.138
|
| Year built | 1950 |
| Bathrooms | 1 |
| Zoning district | Register |
| School district | Copiague |
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 William Street, Copiague, NY 11726 was built in 1950 and has a total of 1,456 square feet.
What is the assessed value of 18 William Street, Copiague, NY 11726 and the property tax paid?Assessed at $2,610, the tax amount paid for 18 William Street, Copiague, NY 11726 is $8,652.
When was 18 William Street, Copiague, NY 11726 last sold?18 William Street, Copiague, NY 11726 was last sold in 05/05/2003.
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 William Street, Copiague, 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 William Street, Copiague, NY 11726. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $8,652 |
| Market value | $442,373 |
| Assessed value | $2,610 |
Here's the assessment & property tax history for 18 William Street, Copiague, 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 | $389,553 | $2,610 | 320.0588 | $8,354 | +4.72% |
| 2023-2024 | $395,454 | $2,610 | 305.6293 | $7,977 | +2.60% |
| 2022-2023 | $334,615 | $2,610 | 297.8846 | $7,775 | -0.03% |
| 2021-2022 | $300,000 | $2,610 | 297.9669 | $7,777 | +1.06% |
| 2020-2021 | $286,813 | $2,610 | 294.8462 | $7,695 | +2.75% |
The complete history of permits filed for 18 William Street, Copiague, 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 William Street, Copiague, 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 William Street, Copiague 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) |
|---|---|---|---|---|---|
| Deauville Gardens West Elementary School | 6 | Public | K-5 | 440 | 0.25 |
| Deauville Gardens Elementary School | 6 | Public | K-5 | 486 | 0.25 |
| Great Neck Road Elementary School | 7 | Public | K-5 | 444 | 0.54 |
| Susan E Wiley School | 4 | Public | K-5 | 680 | 0.62 |
| St Martin Of Tours School | NR | Private | PK-8 | 238 | 1.12 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Amityville Memorial High School | 3 | Public | 8-12 | 968 | 0.79 |
| St Martin Of Tours School | NR | Private | PK-8 | 238 | 1.12 |
| Copiague Middle School | 4 | Public | 6-8 | 1,061 | 1.31 |
| Our Lady Of Perpetual Help School | NR | Private | PK, K-8 | 195 | 1.68 |
| Edmund W Miles Middle School | 4 | Public | 6-8 | 599 | 1.77 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Amityville Memorial High School | 3 | Public | 8-12 | 968 | 0.79 |
| Walter G O Connell Copiague High School | 5 | Public | 9-12 | 1,524 | 1.37 |
| Lindenhurst Senior High School | 7 | Public | 9-12 | 1,897 | 2.41 |
| Massapequa High School | 10 | Public | 10-12 | 1,453 | 2.96 |
| Montessori Children's School | NR | Private | 0 | 3.52 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 18 William Street, Copiague.