| Primary address | 100 Seaford Avenue, Mastic |
| Zip code | 11950 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 4600890 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/09/2018 |
| Sale price | $326,000 |
| Arm's length | Register |
| Property tax | $7,768 |
| Building class | One Family Year-Round Residence with Accessory Apartment (215) |
| Acreage | 0.14 |
| 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:
Assessed at $2,100, the tax amount paid for 100 Seaford Avenue, Mastic, NY 11950 is $7,768.
When was 100 Seaford Avenue, Mastic, NY 11950 last sold and what was the last sale price?100 Seaford Avenue, Mastic, NY 11950 was last sold in 03/09/2018 for $326,000.
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 100 Seaford 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 100 Seaford 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 | $7,768 |
| Market value | $396,226 |
| Assessed value | $2,100 |
Here's the assessment & property tax history for 100 Seaford 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 | $396,226 | $2,100 | 363.67 | $7,637 | +2.08% |
| 2023-2024 | $388,889 | $2,100 | 356.252 | $7,481 | -12.23% |
| 2022-2023 | $338,710 | $2,100 | 405.87 | $8,523 | -3.28% |
| 2021-2022 | $283,784 | $2,100 | 419.634 | $8,812 | +0.99% |
| 2020-2021 | $272,727 | $2,100 | 415.528 | $8,726 | +2.62% |
The complete history of permits filed for 100 Seaford 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 100 Seaford 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 100 Seaford 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) |
|---|---|---|---|---|---|
| Moriches Elementary School | 5 | Public | K-5 | 822 | 1.44 |
| William Floyd Elementary School | 4 | Public | K-5 | 742 | 1.87 |
| William Floyd Learning Center | NR | Public | K-5 | 68 | 1.87 |
| John S Hobart Elementary School | 3 | Public | K-5 | 798 | 1.97 |
| Nathaniel Woodhull Elementary School | 6 | Public | K-5 | 703 | 2.20 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| William Floyd Middle School | 3 | Public | 6-8 | 1,053 | 1.91 |
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 1.99 |
| William Paca Middle School | 4 | Public | 6-8 | 1,009 | 2.49 |
| Center Moriches Middle School | 3 | Public | 6-8 | 325 | 2.55 |
| Our Lady Queen Of Apostles Reg Catholic School | NR | Private | PK-8 | 153 | 3.63 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 1.99 |
| William Floyd High School | 5 | Public | 9-12 | 3,013 | 2.29 |
| Center Moriches High School | 8 | Public | 9-12 | 556 | 2.55 |
| Leonard E Burket Christian School | NR | Private | PK-12 | 77 | 3.68 |
| Bellport Senior High School | 5 | Public | 9-12 | 1,392 | 4.54 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 100 Seaford Avenue, Mastic.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 20 Riviera Dr, Mastic | 1,560 | 11/20/2003 | |
| 9 Crescent St, Mastic | 1,148 | 05/20/2016 | $163,000 |
| 94 Seaford Ave, Mastic | 02/04/1999 | $80,000 | |
| 16 Riviera Dr, Mastic | 1,300 | 07/28/2023 | $341,000 |
| 9 Dreamland St, Mastic | 1,078 | 06/16/2021 | |
| 88 Seaford Ave, Mastic | 974 | 10/30/2007 | $294,000 |
| 243 Patchogue Ave, Mastic | 2,204 | 10/20/2023 | $570,000 |
| 102 Seaford Ave, Mastic | 953 | 10/25/1996 | $106,100 |
| 232 Patchogue Ave, Mastic | 1,884 | 01/15/2016 | |
| 175 Sunrise Service Rd N, Mastic | |||
| 110 Seaford Ave, Mastic | 1,142 | 11/21/2023 | |
| 7 Crescent St, Mastic | 1,408 | 08/30/2007 | $422,500 |
| 3 Crescent St, Mastic | 1,112 | 07/03/2007 | $380,000 |
| 7 Dreamland St, Mastic | 1,281 | 12/22/2016 | $174,900 |
| 169 Sunrise Hwy, Mastic | |||
| 131 Lambert Ave, Mastic | 1,056 | ||
| 237 Moriches Ave, Mastic | 2,454 | 10/23/2018 | |
| 116 Seaford Ave, Mastic | 1,118 | ||
| 5 Crescent St, Mastic | 1,034 | 11/18/2022 | $400,000 |
| 11 Crescent St, Mastic | 1,008 | 09/02/2025 | $635,000 |