| Primary address | 9 Terrace Avenue, Mount Sinai |
| Zip code | 11766 |
| County | Suffolk |
| Municipality | Southampton |
| Parcel ID | 63-4-11.1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 05/30/2025 |
| Sale price | $6,000,000 |
| Arm's length | Register |
| Property tax | $16,490 |
| Building sqft | 5,686 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 1.06 |
| Year built | 2025 |
| Bedrooms | 8 |
| Zoning district | Register |
| School district | Southhampton |
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:
9 Terrace Avenue, Mount Sinai, NY 11766 was built in 2025 and has a total of 5,686 square feet.
What is the assessed value of 9 Terrace Avenue, Mount Sinai, NY 11766 and the property tax paid?Assessed at $3,954,900, the tax amount paid for 9 Terrace Avenue, Mount Sinai, NY 11766 is $16,489.
When was 9 Terrace Avenue, Mount Sinai, NY 11766 last sold and what was the last sale price?9 Terrace Avenue, Mount Sinai, NY 11766 was last sold in 05/30/2025 for $6,000,000.
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 9 Terrace Avenue, Mount Sinai, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 05/30/2025 | $6,000,000 | Register | Register |
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 9 Terrace Avenue, Mount Sinai, NY 11766. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $16,490 |
| Market value | $6,277,619 |
| Assessed value | $3,954,900 |
Here's the assessment & property tax history for 9 Terrace Avenue, Mount Sinai, 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 | $2,382,698 | $1,501,100 | 4.0016 | $6,007 | +19725.02% |
| 2023-2024 | $11,223 | $7,800 | 3.8845 | $30 | +1.34% |
| 2022-2023 | $9,873 | $7,800 | 3.8332 | $30 | +1.28% |
| 2021-2022 | $7,800 | $7,800 | 3.7846 | $30 | n/a |
The complete history of permits filed for 9 Terrace Avenue, Mount Sinai, 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 Southampton so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Southampton and compare it to other neighborhoods in Suffolk County.
Create a free account to unlock extended information for 9 Terrace Avenue, Mount Sinai, 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 9 Terrace Avenue, Mount Sinai 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) |
|---|---|---|---|---|---|
| Tuckahoe School | 6 | Public | PK, K-8 | 250 | 3.46 |
| Tuckahoe School | 6 | Public | PK, K-8 | 250 | 3.46 |
| Our Lady Of The Hamptons Regional Catholic School | NR | Private | PK-8 | 317 | 3.51 |
| Our Lady Of The Hamptons Regional Catholic School | NR | Private | PK-8 | 317 | 3.51 |
| Southampton Intermediate School | 4 | Public | 5-8 | 363 | 3.69 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Tuckahoe School | 6 | Public | PK, K-8 | 250 | 3.46 |
| Our Lady Of The Hamptons Regional Catholic School | NR | Private | PK-8 | 317 | 3.51 |
| Southampton Intermediate School | 4 | Public | 5-8 | 363 | 3.69 |
| The Hayground School | NR | Private | PK-8 | 77 | 3.88 |
| Bridgehampton School | 7 | Public | PK, K-12 | 198 | 4.84 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Southampton High School | 5 | Public | 9-12 | 595 | 3.74 |
| Bridgehampton School | 7 | Public | PK, K-12 | 198 | 4.84 |
| Pierson Middle High School | 5 | Public | 6-12 | 525 | 6.22 |
| Ross School | NR | Private | PK-12 | 312 | 7.83 |
| Ross School | NR | Private | PK-12 | 318 | 7.83 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 9 Terrace Avenue, Mount Sinai.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 43 B Tanners Neck Ln, Westhampton | 3,308 | 05/09/2025 | $10 |
| 43 C Tanners Neck Ln, Westhampton | 4,416 | ||
| 1 Albert Ave, Southampton | 1,180 | ||
| 43 D Tanners Neck Ln, Westhampton | |||
| 13 A Argonne Rd W, Hampton Bays | 2,728 | 07/15/2025 | $1,755,000 |
| 8 Justan Ave, Southampton | 744 | 06/04/2021 | $730,000 |
| 22 Central Ave, East Quogue | 948 | ||
| 31 Shinnecock Ave, East Quogue | 1,198 | ||
| 8 Terrace Ave, Southampton | 5,547 | 06/12/2025 | $5,600,000 |
| 24 Central Ave, East Quogue | 3,841 | 12/20/2021 | $365,000 |
| 43 A Tanners Neck Ln, Westhampton | 3,385 | 09/08/2023 | $2,799,999 |
| 13 Argonne Rd W, Hampton Bays | 1,924 | ||
| 10 Lewis Rd, East Quogue | 2,246 |