| Primary address | 18 South William Street, Patchogue |
| Zip code | 11772 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 3326995 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 05/07/2004 |
| Sale price | $285,000 |
| Arm's length | Register |
| Current property tax | $7,075 |
| Building sqft | 1,092 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.32 |
| Year built | 1932 |
| Rooms | 5 |
| Bedrooms | 2 |
| Bathrooms | 1 |
| School district | South Country |
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 South William Street, Patchogue, NY 11772 was built in 1932 and has a total of 1,092 square feet.
What is the assessed value of 18 South William Street, Patchogue, NY 11772 and the property tax paid?Assessed at $2,275, the tax amount paid for 18 South William Street, Patchogue, NY 11772 is $8,258.
When was 18 South William Street, Patchogue, NY 11772 last sold and what was the last sale price?18 South William Street, Patchogue, NY 11772 was last sold in 05/07/2004 for $285,000.
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 South William Street, Patchogue, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 05/07/2004 | $285,000 | Register | Register |
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 South William Street, Patchogue, NY 11772. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $8,258 |
| Current property tax | $7,075 |
| Market value | $429,246 |
| Assessed value | $2,275 |
Here's the assessment & property tax history for 18 South William Street, Patchogue, 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 |
|---|---|---|---|---|---|
| 2025-2026 | $429,246 | $2,275 | 362.996 | $8,258 | +2.73% |
| 2024-2025 | $429,246 | $2,275 | 353.365 | $8,039 | +2.54% |
| 2023-2024 | $421,296 | $2,275 | 344.625 | $7,840 | +2.33% |
| 2022-2023 | $366,936 | $2,275 | 336.784 | $7,662 | +1.52% |
| 2021-2022 | $307,432 | $2,275 | 331.727 | $7,547 | +1.84% |
The complete history of permits filed for 18 South William Street, Patchogue, 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.
Access a detailed real estate market overview of Brookhaven so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Brookhaven and compare it to other neighborhoods in Suffolk County.
Create a free account to unlock extended information for 18 South William Street, Patchogue, 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) | AE (See more on map) |
Access the detailed traffic volume map for 18 South William Street, Patchogue 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 (miles) |
|---|---|---|---|---|---|
| Verne W Critz Elementary School | 2 | Public | K-3 | 285 | 0.93 |
| Victory Christian Academy | NR | Private | PK-12 | 71 | 1.40 |
| Victory Christian Academy | NR | Private | PK-12 | 71 | 1.40 |
| Bay Elementary School | 5 | Public | K-5 | 408 | 1.62 |
| Kreamer Street Elementary School | 2 | Public | K-3 | 290 | 1.75 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Victory Christian Academy | NR | Private | PK-12 | 71 | 1.40 |
| Bellport Middle School | 4 | Public | 6-8 | 838 | 1.84 |
| South Ocean Middle School | 2 | Public | 6-8 | 599 | 1.95 |
| Emanuel Lutheran School | NR | Private | PK-8 | 97 | 1.99 |
| Holy Angels Regional School | NR | Private | PK, K-8 | 309 | 2.06 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Victory Christian Academy | NR | Private | PK-12 | 71 | 1.40 |
| Eastern Suffolk Boces | NR | Public | K-12 | 1,721 | 2.16 |
| Bellport Senior High School | 5 | Public | 9-12 | 1,392 | 3.13 |
| Patchogue Medford High School | 5 | Public | 9-12 | 2,443 | 3.87 |
| Aunt T's Home Day Care | NR | Private | PK, K-12 | 0 | 4.15 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 18 South William Street, Patchogue.