| Primary address | 121 15th Avenue, Sea Cliff |
| Zip code | 11579 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | Sea Cliff |
| Parcel ID | 21-144-6 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 632 |
| Building class | One Family Year - Round Residence (210.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 0.055 |
| Buildings on lot | 1 |
| Year built | 1916 |
| Stories | 1 |
| Style | Bungalow,Cottage |
| Rooms | 4 |
| Bathrooms | 1 |
| Attic | None |
| Basement | Full |
| Exterior wall | Frame |
| Heating type | Central |
| Heating system | Hot water |
| Zoning district | Register (See more on map) |
| School district | Sea Cliff |
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 15th Avenue, Sea Cliff, NY 11579 was built in 1916 and has a total of 632 square feet.
What is the assessed value of 121 15th Avenue, Sea Cliff, NY 11579 and the property tax paid?Assessed at $321, the tax amount paid for 121 15th Avenue, Sea Cliff, NY 11579 is $6,830.
When was 121 15th Avenue, Sea Cliff, NY 11579 last sold and what was the last sale price?121 15th Avenue, Sea Cliff, NY 11579 was last sold in 05/13/2026 for $70,000.
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 121 15th Avenue, Sea Cliff, 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 15th Avenue, Sea Cliff, NY 11579. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $6,831 |
| Tax class | Register |
| Market value | $321,000 |
| Assessed value | $321 |
Here's the assessment & property tax history for 121 15th Avenue, Sea Cliff, 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 |
|---|---|---|---|---|---|
| 2026 | $321,000 | $321 | 2128.035 | $6,831 | +2.81% |
| 2025 | $321,000 | $321 | 2069.896 | $6,644 | -6.79% |
| 2024 | $321,006 | $321 | 2220.743 | $7,129 | -4.35% |
| 2023 | $321,000 | $321 | 2321.685 | $7,453 | -5.76% |
| 2022 | $321,000 | $321 | 2463.641 | $7,908 | -8.14% |
The complete history of permits filed for 121 15th Avenue, Sea Cliff, 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 15th Avenue, Sea Cliff, 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 15th Avenue, Sea Cliff 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) |
|---|---|---|---|---|---|
| Sea Cliff Elementary School | 8 | Public | K-5 | 343 | 0.45 |
| Tiegerman Elementary School | NR | Private | 1-5 | 136 | 1.02 |
| Landing School | 4 | Public | PK, 3-5 | 349 | 1.13 |
| Landing School | 4 | Public | PK, 3-5 | 349 | 1.13 |
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 1.13 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Shore Middle School | 9 | Public | K-8 | 646 | 1.14 |
| All Saints Regional Catholic School | NR | Private | PK-8 | 166 | 1.74 |
| Robert M Finley Middle School | 5 | Public | 6-8 | 710 | 1.97 |
| St. Peter of Alcantara School | NR | Private | PK-8 | 162 | 2.01 |
| North Shore Day School | NR | Private | 0 | 2.13 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 1.13 |
| Paul D Schreiber Senior High School | 9 | Public | 9-12 | 1,613 | 1.98 |
| North Shore Day School | NR | Private | 0 | 2.13 | |
| Glen Cove High School | 5 | Public | 9-12 | 1,050 | 2.54 |
| Vincent Smith School | NR | Private | 2-12 | 46 | 2.80 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 121 15th Avenue, Sea Cliff.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 3 Prospect Ter, Sea Cliff | 1,266 | 03/22/2002 | $315,000 |
| 117 15th Ave, Sea Cliff | 895 | ||
| 21 Maple Ave, Sea Cliff | 2,246 | 03/26/2016 | |
| 101 15th Ave, Sea Cliff | 704 | 11/06/2023 | |
| 125 15th Ave, Sea Cliff | 901 | 12/15/2025 | |
| 138 16th Ave, Sea Cliff | 1,456 | 12/20/1995 | $165,000 |
| 140 16th Ave, Sea Cliff | 1,788 | 06/21/2021 | $680,000 |
| 105 15th Ave, Sea Cliff | 1,144 | 08/14/2008 | $517,500 |
| 129 15th Ave, Sea Cliff | 611 | 08/14/2024 | $660,000 |
| 118 Main Ave, Sea Cliff | 2,072 | 08/12/2005 | $675,000 |
| 155 14th Ave, Sea Cliff | 2,864 | 08/06/2015 | |
| 9 Maple Ave, Sea Cliff | 1,500 | 01/09/2026 | $1,299,000 |
| 136 16th Ave, Sea Cliff | 10/18/2012 | ||
| 7 Prospect Ter, Sea Cliff | 1,413 | ||
| 113 15th Ave, Sea Cliff | 773 | 10/14/2011 | $289,000 |
| 109 15th Ave, Sea Cliff | 919 | 01/12/2022 | |
| 25 Maple Ave, Sea Cliff | 2,229 | 04/16/2015 | $569,000 |
| 133 15th Ave, Sea Cliff | 1,048 | 01/16/2026 | $899,000 |
| 100 15th Ave, Sea Cliff | 2,217 | 05/15/2019 | $732,500 |
| 24 14th Ave, Sea Cliff | 2,310 | 05/17/2019 |