| Primary address | 555 Riley Avenue, Mattituck |
| Zip code | 11952 |
| County | Suffolk |
| Municipality | Southold |
| Parcel ID | 143-4-16 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 09/30/2021 |
| Sale price | $1 |
| Arm's length | Register |
| Current property tax | $8,051 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.13 |
| Zoning district | Register |
| School district | Mattituck |
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 $4,800, the tax amount paid for 555 Riley Avenue, Mattituck, NY 11952 is $7,217.
When was 555 Riley Avenue, Mattituck, NY 11952 last sold and what was the last sale price?555 Riley Avenue, Mattituck, NY 11952 was last sold in 09/30/2021 for $1.
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 555 Riley Avenue, Mattituck, including title documents, transfer conditions, mortgages and liens.
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 555 Riley Avenue, Mattituck, NY 11952. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $7,218 |
| Current property tax | $8,051 |
| Market value | $872,727 |
| Assessed value | $4,800 |
Here's the assessment & property tax history for 555 Riley Avenue, Mattituck, 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 | $872,727 | $4,800 | 1462.136 | $7,018 | +4.15% |
| 2023-2024 | $842,106 | $4,800 | 1403.898 | $6,739 | +2.81% |
| 2022-2023 | $685,714 | $4,800 | 1365.524 | $6,555 | +0.24% |
| 2021-2022 | $545,455 | $4,800 | 1362.286 | $6,539 | +2.10% |
| 2020-2021 | $545,455 | $4,800 | 1334.242 | $6,404 | +88.05% |
The complete history of permits filed for 555 Riley Avenue, Mattituck, 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 555 Riley Avenue, Mattituck, 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) | 0.2, X (See more on map) |
Access the detailed traffic volume map for 555 Riley Avenue, Mattituck 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) |
|---|---|---|---|---|---|
| New Suffolk School | NR | Public | PK, K-6 | 7 | 3.06 |
| New Suffolk School | NR | Public | PK, K-6 | 7 | 3.06 |
| Our Lady Of Mercy Regional School | NR | Private | PK-6 | 92 | 3.20 |
| Our Lady Of Mercy Regional School | NR | Private | PK-6 | 92 | 3.20 |
| Mattituck Cutchogue Elementary School | 6 | Public | K-6 | 453 | 4.30 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Mattituck Junior Senior High School | 6 | Public | 7-12 | 548 | 0.81 |
| East End Christian Academy | NR | Private | PK, K-9 | 0 | 7.34 |
| Southold Junior Senior High School | 5 | Public | 7-12 | 380 | 7.46 |
| Hampton Bays Middle School | 5 | Public | 5-8 | 597 | 7.93 |
| Bishop Mcgann-Mercy Diocesan High School | NR | Private | 7-12 | 481 | 8.10 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Mattituck Junior Senior High School | 6 | Public | 7-12 | 548 | 0.81 |
| Southold Junior Senior High School | 5 | Public | 7-12 | 380 | 7.46 |
| Hampton Bays Secondary School | 6 | Public | PK, 9-12 | 769 | 7.77 |
| Bishop Mcgann-Mercy Diocesan High School | NR | Private | 7-12 | 481 | 8.10 |
| Riverhead Senior High School | 3 | Public | 9-12 | 2,001 | 8.44 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 555 Riley Avenue, Mattituck.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 340 Walnut Pl, Mattituck | 08/19/2016 | $1 | |
| 260 Walnut Pl, Mattituck | 05/03/2016 | $1 | |
| 495 Riley Ave, Mattituck | 06/17/2022 | $745,000 | |
| 10950 Sound Ave, Mattituck | 07/26/2000 | $139,000 | |
| 355 Riley Ave, Mattituck | 08/16/2016 | $325,000 | |
| 620 Marlene Ln, Mattituck | 07/31/2012 | $590,000 | |
| 11170 Sound Ave, Mattituck | 8,382 | 09/15/2023 | $1,075,000 |
| 445 Walnut Pl, Mattituck | |||
| 435 Riley Ave, Mattituck | 04/20/2023 | $805,000 | |
| 11080 Sound Ave, Mattituck | 06/11/2021 | $469,000 | |
| 550 Marlene Ln, Mattituck | 05/31/2018 | $120,000 | |
| 945 Marlene Ln, Mattituck | 01/25/2024 | $1 | |
| 470 Marlene Ln, Mattituck | 08/17/1999 | $126,000 | |
| 400 Marlene Ln, Mattituck | 09/29/2017 | $1 | |
| 300 Marlene Ln, Mattituck | 03/15/2017 | $1 | |
| 855 Marlene Ln, Mattituck | 06/10/2024 | $1 | |
| 1330 Bay Ave, Mattituck | 12/09/2021 | $1 | |
| 795 Marlene Ln, Mattituck | 08/29/2002 | $135,000 | |
| 700 Marlene Ln, Mattituck | |||
| 625 Riley Ave, Mattituck | 07/30/2024 | $1 |