| Primary address | 12 Dover Avenue, Mastic |
| Zip code | 11950 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 4015130 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/07/2022 |
| Sale price | $375,000 |
| Arm's length | Register |
| Property tax | $5,364 |
| Building sqft | 948 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.29 |
| Year built | 1959 |
| Rooms | 5 |
| Bedrooms | 2 |
| 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:
12 Dover Avenue, Mastic, NY 11950 was built in 1959 and has a total of 948 square feet.
What is the assessed value of 12 Dover Avenue, Mastic, NY 11950 and the property tax paid?Assessed at $1,450, the tax amount paid for 12 Dover Avenue, Mastic, NY 11950 is $5,363.
When was 12 Dover Avenue, Mastic, NY 11950 last sold and what was the last sale price?12 Dover Avenue, Mastic, NY 11950 was last sold in 03/07/2022 for $375,000.
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 12 Dover 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 12 Dover 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 | $5,364 |
| Market value | $273,585 |
| Assessed value | $1,450 |
Here's the assessment & property tax history for 12 Dover 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 | $273,585 | $1,450 | 363.67 | $5,273 | +2.08% |
| 2023-2024 | $268,518 | $1,450 | 356.252 | $5,166 | -12.23% |
| 2022-2023 | $233,871 | $1,450 | 405.87 | $5,885 | -3.28% |
| 2021-2022 | $195,946 | $1,450 | 419.634 | $6,085 | +0.99% |
| 2020-2021 | $188,312 | $1,450 | 415.528 | $6,025 | +2.62% |
The complete history of permits filed for 12 Dover 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 12 Dover 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 12 Dover 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 | 0.88 |
| William Floyd Elementary School | 4 | Public | K-5 | 742 | 0.96 |
| William Floyd Learning Center | NR | Public | K-5 | 68 | 0.96 |
| Nathaniel Woodhull Elementary School | 6 | Public | K-5 | 703 | 1.02 |
| Moriches Elementary School | 5 | Public | K-5 | 822 | 1.09 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| William Paca Middle School | 4 | Public | 6-8 | 1,009 | 1.21 |
| William Floyd Middle School | 3 | Public | 6-8 | 1,053 | 1.71 |
| Center Moriches Middle School | 3 | Public | 6-8 | 325 | 2.07 |
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 2.85 |
| Our Lady Queen Of Apostles Reg Catholic School | NR | Private | PK-8 | 153 | 2.90 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| William Floyd High School | 5 | Public | 9-12 | 3,013 | 1.00 |
| Center Moriches High School | 8 | Public | 9-12 | 556 | 2.07 |
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 2.85 |
| Leonard E Burket Christian School | NR | Private | PK-12 | 77 | 3.30 |
| Bellport Senior High School | 5 | Public | 9-12 | 1,392 | 4.43 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 12 Dover Avenue, Mastic.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 38 Dover Ave, Mastic | 898 | 11/18/2020 | $251,000 |
| 25 Jeanatta Ave, Mastic | 1,266 | 09/09/2021 | |
| 8 Dover Ave, Mastic | 11/30/2021 | $338,000 | |
| 33 Dover Ave, Mastic | 1,392 | 05/22/2025 | $10 |
| 34 Dover Ave, Mastic | 07/11/2002 | $55,000 | |
| 5 Dover Ave, Mastic | 1,056 | 06/25/2001 | |
| 11 Dover Ave, Mastic | 1,146 | 01/13/2024 | |
| 23 Dover Ave, Mastic | 2,178 | 01/22/2024 | $585,000 |
| 27 Dover Ave, Mastic | 1,296 | ||
| 45 Jeanatta Ave, Mastic | 1,566 | ||
| 4 Dover Ave, Mastic | 2,033 | 06/06/2005 | |
| 20 Dover Ave, Mastic | 1,008 | ||
| 9 Dover Ave, Mastic | 2,018 | 09/10/2021 | $485,000 |
| 15 Dover Ave, Mastic | 1,956 | 11/20/2024 | $325,000 |
| 16 Dover Ave, Mastic | 1,032 | 05/27/2010 | $238,000 |
| 24 Dover Ave, Mastic | 1,300 | 02/25/2026 | $530,000 |
| 33 Jeanatta Ave, Mastic | 2,214 | 08/07/2009 | $246,808 |
| 31 Jeanatta Ave, Mastic | 2,430 | 11/24/2020 | |
| 25 Dover Ave, Mastic | 2,007 | 08/10/2021 | $430,000 |
| 28 Dover Ave, Mastic | 2,163 | 06/08/2009 |