| Primary address | 306 Prospect Avenue, Sea Cliff |
| Zip code | 11579 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | Sea Cliff |
| Parcel ID | 21-F-402 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 2,401 |
| Building class | One Family Year - Round Residence (210.01) |
| Land | Bay waterfront |
| Topography | Level |
| Acreage | 0.402 |
| Buildings on lot | 1 |
| Year built | 1960 |
| Stories | 1 |
| Style | Raised Ranch/Hi Ranch |
| Rooms | 7 |
| Bathrooms | 3 |
| 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) |
| 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:
306 Prospect Avenue, Sea Cliff, NY 11579 was built in 1960 and has a total of 2,401 square feet.
What is the assessed value of 306 Prospect Avenue, Sea Cliff, NY 11579 and the property tax paid?Assessed at $1,320, the tax amount paid for 306 Prospect Avenue, Sea Cliff, NY 11579 is $28,090.
When was 306 Prospect Avenue, Sea Cliff, NY 11579 last sold and what was the last sale price?306 Prospect Avenue, Sea Cliff, NY 11579 was last sold in 09/30/1998 for $540,000.
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 306 Prospect Avenue, Sea Cliff, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 09/30/1998 | $540,000 | 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 306 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 | $28,090 |
| Current property tax | $27,261 |
| Tax class | Register |
| Market value | $1,320,000 |
| Assessed value | $1,320 |
Here's the assessment & property tax history for 306 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 |
|---|---|---|---|---|---|
| 2026 | $1,320,000 | $1,320 | 2128.035 | $28,090 | +3.28% |
| 2025 | $1,314,000 | $1,314 | 2069.896 | $27,198 | -8.05% |
| 2024 | $1,463,706 | $1,332 | 2220.743 | $29,580 | -8.67% |
| 2023 | $1,395,000 | $1,395 | 2321.685 | $32,388 | -10.14% |
| 2022 | $1,463,000 | $1,463 | 2463.641 | $36,043 | -8.18% |
The complete history of permits filed for 306 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.
Create a free account to unlock extended information for 306 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) | 0.2, AE, VE, X (See more on map) |
Access the detailed traffic volume map for 306 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 | 0.67 |
| North Shore Middle School | 9 | Public | K-8 | 646 | 1.12 |
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 1.18 |
| Tiegerman Elementary School | NR | Private | 1-5 | 136 | 1.37 |
| Glenwood Landing Elementary School | 9 | Public | K-5 | 427 | 1.42 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Shore Middle School | 9 | Public | K-8 | 646 | 1.12 |
| St. Peter of Alcantara School | NR | Private | PK-8 | 162 | 1.73 |
| Carrie Palmer Weber Middle School | 7 | Public | 6-8 | 1,216 | 2.06 |
| All Saints Regional Catholic School | NR | Private | PK-8 | 166 | 2.07 |
| Robert M Finley Middle School | 5 | Public | 6-8 | 710 | 2.33 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 1.18 |
| Paul D Schreiber Senior High School | 9 | Public | 9-12 | 1,613 | 1.64 |
| Vincent Smith School | NR | Private | 2-12 | 46 | 2.44 |
| North Shore Day School | NR | Private | 0 | 2.47 | |
| Glen Cove High School | 5 | Public | 9-12 | 1,050 | 2.90 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 306 Prospect Avenue, Sea Cliff.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 74 Prospect Ave, Sea Cliff | 4,002 | 07/24/2024 | |
| 120 Prospect Ave, Sea Cliff | 3,384 | 10/31/2003 | $726,000 |
| 198 15th Ave, Sea Cliff | 1,223 | 09/15/2022 | $787,500 |
| 26 Bay Ave, Sea Cliff | 2,624 | 06/18/2011 | $493,000 |
| 304 Prospect Ave, Sea Cliff | 6,548 | 08/19/2020 | |
| 245 12th St, Sea Cliff | 1,719 | 05/28/2004 | $996,500 |
| 237 12th Ave, Sea Cliff | 1,257 | 06/12/2006 | |
| 241 12th Ave, Sea Cliff | 2,064 | 04/13/2021 | $1,149,000 |
| 158 15th Ave, Sea Cliff | 1,210 | 01/29/2020 | $630,000 |
| 95 Cliffway, Sea Cliff | 973 | 10/01/2019 | |
| 245 Tilley Pl, Sea Cliff | 1,296 | 11/16/2021 | |
| 164 15th Ave, Sea Cliff | 2,692 | 10/11/2024 | |
| 85 Cliffway, Sea Cliff | 975 | 04/04/2014 | $540,000 |
| 174 15th Ave, Sea Cliff | 2,375 | 01/31/2022 | $1,400,000 |
| 140 Prospect Ave, Sea Cliff | 1,215 | 05/06/2025 | |
| 160 15th Ave, Sea Cliff | 791 | 04/07/2021 | $520,000 |
| 255 12th Ave, Sea Cliff | 1,578 | ||
| 24 Bay Ave, Sea Cliff | 2,518 | 05/02/2024 | $1,500,000 |
| 10 Cliff Way, Sea Cliff | 1,200 | 06/12/2025 | |
| 2 Sheridan Ln, Sea Cliff | 1,656 | 10/22/2007 | $817,000 |