| Primary address | 18 Somerset Avenue, Mastic |
| Zip code | 11950 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 4013682 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $4,246 |
| Building sqft | 1,044 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.25 |
| Year built | 1978 |
| Rooms | 5 |
| Bedrooms | 3 |
| Bathrooms | 1 |
| Zoning district | Register |
| School district | William Floyd |
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 Somerset Avenue, Mastic, NY 11950 was built in 1978 and has a total of 1,044 square feet.
What is the assessed value of 18 Somerset Avenue, Mastic, NY 11950 and the property tax paid?Assessed at $1,700, the tax amount paid for 18 Somerset Avenue, Mastic, NY 11950 is $6,288.
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 Somerset Avenue, Mastic, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 18 Somerset Avenue, Mastic, NY 11950. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $6,288 |
| Current property tax | $4,246 |
| Market value | $320,755 |
| Assessed value | $1,700 |
Here's the assessment & property tax history for 18 Somerset Avenue, Mastic, 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 | $320,755 | $1,700 | 369.908 | $6,288 | +1.72% |
| 2024-2025 | $320,755 | $1,700 | 363.67 | $6,182 | +2.08% |
| 2023-2024 | $314,815 | $1,700 | 356.252 | $6,056 | -12.23% |
| 2022-2023 | $274,194 | $1,700 | 405.87 | $6,900 | -3.28% |
| 2021-2022 | $229,729 | $1,700 | 419.634 | $7,134 | +0.99% |
The complete history of permits filed for 18 Somerset Avenue, Mastic, 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 Somerset Avenue, Mastic, 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 Somerset Avenue, Mastic 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) |
|---|---|---|---|---|---|
| William Floyd Learning Center | NR | Public | K-5 | 68 | 0.50 |
| William Floyd Elementary School | 4 | Public | K-5 | 742 | 0.50 |
| John S Hobart Elementary School | 3 | Public | K-5 | 798 | 0.61 |
| Nathaniel Woodhull Elementary School | 6 | Public | K-5 | 703 | 0.85 |
| Tangier Smith Elementary School | 5 | Public | K-5 | 755 | 1.29 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| William Paca Middle School | 4 | Public | 6-8 | 1,009 | 1.15 |
| William Floyd Middle School | 3 | Public | 6-8 | 1,053 | 2.32 |
| Center Moriches Middle School | 3 | Public | 6-8 | 325 | 2.76 |
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 3.14 |
| Our Lady Queen Of Apostles Reg Catholic School | NR | Private | PK-8 | 153 | 3.65 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| William Floyd High School | 5 | Public | 9-12 | 3,013 | 0.98 |
| Center Moriches High School | 8 | Public | 9-12 | 556 | 2.76 |
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 3.14 |
| Bellport Senior High School | 5 | Public | 9-12 | 1,392 | 3.73 |
| Leonard E Burket Christian School | NR | Private | PK-12 | 77 | 4.00 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 18 Somerset Avenue, Mastic.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 4 Strafford St, Mastic | 1,882 | 09/07/2018 | $259,700 |
| 24 Strafford St, Mastic | 1,056 | 09/20/2007 | |
| 144 Van Buren St, Mastic | 1,326 | 02/04/2021 | |
| 164 Van Buren St, Mastic | 720 | 03/27/2018 | |
| 6 Strafford St, Mastic | 1,052 | 04/28/2009 | $205,000 |
| 8 Strafford St, Mastic | 2,004 | 09/20/2019 | $365,000 |
| 140 Van Buren St, Mastic | 2,300 | 04/15/2024 | $300,000 |
| 146 Van Buren St, Mastic | 1,537 | 03/02/2012 | $280,900 |
| 4 Somerset Ave, Mastic | 03/11/2021 | $359,470 | |
| 12 Strafford St, Mastic | 1,440 | 01/12/2010 | |
| 20 Strafford St, Mastic | 2,580 | 11/14/2016 | $264,000 |
| 136 Van Buren St, Mastic | 1,290 | 07/03/2007 | $365,000 |
| 158 Van Buren St, Mastic | 1,140 | 05/23/2019 | $190,000 |
| 16 Strafford St, Mastic | 1,075 | 11/24/1999 | |
| 148 Van Buren St, Mastic | 846 | 01/14/2025 | |
| 154 Van Buren St, Mastic | 1,140 | 08/05/1996 | $91,000 |
| 14 Strafford St, Mastic | 1,312 | 01/30/2001 | |
| 28 Strafford St, Mastic | 1,344 | 03/10/2021 | |
| 162 Van Buren St, Mastic | 1,056 | 09/21/2001 | |
| 26 Strafford St, Mastic | 2,304 | 07/30/2007 |