| Primary address | 20 Prospect Avenue, Sea Cliff |
| Zip code | 11579 |
| County | Nassau |
| Town/City | Glen Cove |
| Village (swiss code) | Glen Cove |
| Parcel ID | 21-C-129.A |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Tax class | Register |
| Current property tax | $779 |
| Building sqft | 2,648 |
| Building class | One Family Year - Round Residence (210.01) |
| Land | Water view |
| Topography | Level |
| Acreage | 0.293 |
| Buildings on lot | 1 |
| Year built | 1903 |
| Stories | 2 |
| Style | Old Style |
| Rooms | 7 |
| Bathrooms | 2 |
| Attic | None |
| Basement | Full |
| Exterior wall | Frame |
| Heating type | Central/AC |
| Heating system | Central w ac |
| Fireplace | 1 |
| Zoning district | Register (See more on map) |
| Qualified opportunity zone | Register |
| School district | Glen Cove |
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:
20 Prospect Avenue, Sea Cliff, NY 11579 was built in 1903 and has a total of 2,648 square feet.
What is the assessed value of 20 Prospect Avenue, Sea Cliff, NY 11579 and the property tax paid?Assessed at $574, the tax amount paid for 20 Prospect Avenue, Sea Cliff, NY 11579 is $1,003.
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 20 Prospect Avenue, Sea Cliff, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 20 Prospect Avenue, Sea Cliff, NY 11579. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Base tax | $1,003 |
| Current property tax | $779 |
| Tax class | Register |
| Market value | $574,000 |
| Assessed value | $574 |
Here's the assessment & property tax history for 20 Prospect 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 |
|---|---|---|---|---|---|
| 2025 | $594,000 | $594 | 190.443 | $1,131 | -16.08% |
| 2024 | $610,000 | $610 | 220.977 | $1,348 | -3.80% |
| 2023 | $610,000 | $610 | 229.713 | $1,401 | +10.25% |
| 2022 | $610,000 | $610 | 208.364 | $1,271 | -31.54% |
| 2021 | $632,000 | $632 | 293.766 | $1,857 | +74.27% |
The complete history of permits filed for 20 Prospect 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.
Access a detailed real estate market overview of Glen Cove so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Glen Cove and compare it to other neighborhoods in Nassau County.
Check out recently sold homes in Glen-Cove and see how their prices compare.
Create a free account to unlock extended information for 20 Prospect 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 20 Prospect 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 | 0.51 |
| Tiegerman Elementary School | NR | Private | 1-5 | 136 | 0.63 |
| Landing School | 4 | Public | PK, 3-5 | 349 | 0.74 |
| Landing School | 4 | Public | PK, 3-5 | 349 | 0.74 |
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 1.23 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Shore Middle School | 9 | Public | K-8 | 646 | 1.31 |
| All Saints Regional Catholic School | NR | Private | PK-8 | 166 | 1.40 |
| Robert M Finley Middle School | 5 | Public | 6-8 | 710 | 1.56 |
| North Shore Day School | NR | Private | 0 | 1.74 | |
| St. Peter of Alcantara School | NR | Private | PK-8 | 162 | 2.35 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 1.23 |
| North Shore Day School | NR | Private | 0 | 1.74 | |
| Glen Cove High School | 5 | Public | 9-12 | 1,050 | 2.13 |
| Paul D Schreiber Senior High School | 9 | Public | 9-12 | 1,613 | 2.36 |
| Friends Academy | NR | Private | PK-12 | 765 | 2.75 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 Prospect Avenue, Sea Cliff.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 8 Beverly Pl, Glen Cove | 684 | 09/25/2013 | $325,000 |
| 175 Shore Rd, Glen Cove | 1,665 | 03/31/2021 | |
| 6 Prospect Ave, Sea Cliff | 3,329 | 01/22/2021 | $1,385,000 |
| 1 Beverly Rd, Glen Cove | 2,207 | ||
| 8 Albin St, Glen Cove | 1,790 | 12/05/2018 | $640,000 |
| 18 Prospect Ave, Sea Cliff | 2,209 | 09/06/2018 | $825,000 |
| 125 Shore Rd, Glen Cove | 899 | 09/05/2019 | $290,000 |
| 5 Beverly Rd, Glen Cove | 1,226 | ||
| 6 Bevesly Pl, Glen Cove | 1,232 | 07/18/2013 | $270,000 |
| 119 Shore Rd, Glen Cove | 2,218 | ||
| 159 Shore Rd, Glen Cove | 1,665 | 12/30/2021 | $687,000 |
| 157 Shore Rd, Glen Cove | 1,665 | 07/01/2021 | $680,000 |
| 153 Shore Rd, Glen Cove | 1,665 | 02/05/2004 | |
| 10 Albin St, Glen Cove | 1,680 | ||
| 123 Shore Rd, Glen Cove | 1,300 | 07/18/2022 | $425,000 |
| 117 Shore Rd, Glen Cove | 1,179 | 11/05/2014 | $435,000 |
| 6 Albin St, Glen Cove | 1,104 | 11/29/2023 | $685,000 |
| 16 Prospect Ave, Sea Cliff | 3,400 | ||
| 155 Shore Rd, Glen Cove | 1,665 | ||
| 127 Shore Rd, Glen Cove | 3,048 | 07/21/2021 | $882,000 |