| Primary address | 121 Somerset Avenue, Mastic |
| Zip code | 11950 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 4011380 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/25/2017 |
| Sale price | $153,700 |
| Arm's length | Register |
| Property tax | $6,362 |
| Building sqft | 1,223 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.75 |
| Year built | 1950 |
| Rooms | 5 |
| Bedrooms | 3 |
| Bathrooms | 2 |
| 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:
121 Somerset Avenue, Mastic, NY 11950 was built in 1950 and has a total of 1,223 square feet.
What is the assessed value of 121 Somerset Avenue, Mastic, NY 11950 and the property tax paid?Assessed at $1,720, the tax amount paid for 121 Somerset Avenue, Mastic, NY 11950 is $6,362.
When was 121 Somerset Avenue, Mastic, NY 11950 last sold and what was the last sale price?121 Somerset Avenue, Mastic, NY 11950 was last sold in 10/25/2017 for $153,700.
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 121 Somerset Avenue, Mastic, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 121 Somerset Avenue, Mastic, NY 11950. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $6,362 |
| Market value | $324,529 |
| Assessed value | $1,720 |
Here's the assessment & property tax history for 121 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 |
|---|---|---|---|---|---|
| 2024-2025 | $324,529 | $1,720 | 363.67 | $6,255 | +2.08% |
| 2023-2024 | $318,518 | $1,720 | 356.252 | $6,128 | -12.23% |
| 2022-2023 | $277,419 | $1,720 | 405.87 | $6,981 | -3.28% |
| 2021-2022 | $232,433 | $1,720 | 419.634 | $7,218 | +0.99% |
| 2020-2021 | $223,377 | $1,720 | 415.528 | $7,147 | -7.10% |
The complete history of permits filed for 121 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.
Create a free account to unlock extended information for 121 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 121 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 to school (mi) |
|---|---|---|---|---|---|
| John S Hobart Elementary School | 3 | Public | K-5 | 798 | 0.83 |
| William Floyd Learning Center | NR | Public | K-5 | 68 | 0.84 |
| William Floyd Elementary School | 4 | Public | K-5 | 742 | 0.84 |
| Nathaniel Woodhull Elementary School | 6 | Public | K-5 | 703 | 1.02 |
| Moriches Elementary School | 5 | Public | K-5 | 822 | 1.19 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| William Paca Middle School | 4 | Public | 6-8 | 1,009 | 1.27 |
| William Floyd Middle School | 3 | Public | 6-8 | 1,053 | 1.84 |
| Center Moriches Middle School | 3 | Public | 6-8 | 325 | 2.27 |
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 2.81 |
| Our Lady Queen Of Apostles Reg Catholic School | NR | Private | PK-8 | 153 | 3.15 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| William Floyd High School | 5 | Public | 9-12 | 3,013 | 1.06 |
| Center Moriches High School | 8 | Public | 9-12 | 556 | 2.27 |
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 2.81 |
| Leonard E Burket Christian School | NR | Private | PK-12 | 77 | 3.50 |
| Bellport Senior High School | 5 | Public | 9-12 | 1,392 | 4.22 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 121 Somerset Avenue, Mastic.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 130 Cumberland St, Mastic | 1,236 | 03/21/2025 | $630,000 |
| 133 Somerset Ave, Mastic | 1,920 | 12/27/2021 | |
| 133 Cumberland St, Mastic | 2,072 | 04/26/2021 | |
| 118 Robert St, Mastic | 07/28/2016 | ||
| 147 Somerset Ave, Mastic | 1,140 | 06/21/2022 | $400,000 |
| 119 Hawthorne St, Mastic | 1,680 | 05/03/2007 | $380,000 |
| 131 Cumberland St, Mastic | 2,072 | 10/30/2020 | $399,900 |
| 105 Somerset Ave, Mastic | 03/31/2022 | ||
| 128 Hawthorne St, Mastic | 1,264 | 08/25/2000 | $138,500 |
| 163 Somerset Ave, Mastic | 1,480 | 03/24/2005 | $345,000 |
| 139 Somerset Ave, Mastic | 504 | 06/20/2002 | |
| 103 Somerset Ave, Mastic | 1,008 | 05/23/2025 | $435,000 |
| 97 Somerset Ave, Mastic | 1,708 | 09/02/2022 | $457,000 |
| 151 Somerset Ave, Mastic | 1,684 | ||
| 107 Somerset Ave, Mastic | 1,747 | 03/31/2022 | |
| 101 Somerset Ave, Mastic | 1,008 | 11/29/2023 | $320,000 |
| 123 Hawthorne St, Mastic | 1,819 | 02/23/2006 | |
| 153 Somerset Ave, Mastic | 06/25/2021 | $369,999 | |
| 111 Somerset Ave, Mastic | 1,789 | 02/06/2019 | $261,000 |
| 122 Hawthorne St, Mastic | 1,075 | 03/24/2012 |