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300 Prospect Avenue, Sea Cliff, NY 11579 Property Information

300 Prospect Avenue, Sea Cliff, NY 11579 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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300 Prospect Avenue, Sea Cliff, NY 11579
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Address

Primary address 300 Prospect Avenue, Sea Cliff
Zip code 11579
County Nassau
Town/City Oyster Bay
Village (swiss code) Sea Cliff
Parcel ID 21-F-1962

Sales & Tax Overview for 300 Prospect Avenue, Sea Cliff

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 06/04/2021
Sale price $687,000
Arm's length
Tax class
Current property tax $12,534

Lot & Building Information for 300 Prospect Avenue, Sea Cliff

Building sqft 1,493
Building class One Family Year - Round Residence (210.01)
Land Water view
Topography Level
Acreage 0.212
Buildings on lot 1
Year built 1960
Stories 1
Style Cape
Rooms 7
Bathrooms 2
Attic Full
Basement Full
Exterior wall Alum/Vinyl
Heating type Central/AC
Heating system Central w ac
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district (See more on map)
School district Sea Cliff

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 300 Prospect Avenue, Sea Cliff

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About 300 Prospect Avenue, Sea Cliff

What is the year built & the total sq. ft. for 300 Prospect Avenue, Sea Cliff, NY 11579?

300 Prospect Avenue, Sea Cliff, NY 11579 was built in 1960 and has a total of 1,493 square feet.

What is the assessed value of 300 Prospect Avenue, Sea Cliff, NY 11579 and the property tax paid?

Assessed at $589, the tax amount paid for 300 Prospect Avenue, Sea Cliff, NY 11579 is $12,534.

When was 300 Prospect Avenue, Sea Cliff, NY 11579 last sold and what was the last sale price?

300 Prospect Avenue, Sea Cliff, NY 11579 was last sold in 06/04/2021 for $687,000.

Ownership Information

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Real Estate Reports:
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide 
For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.
Eliza Theiss, Jul 08, 2026 2026 Q2 Foreclosure Report: Bronx Caseload Hits 7-Year High, Brooklyn & Manhattan Slow to 4-Year Low
Manhattan yet again slowed to become the city’s least active foreclosure market, Brooklyn’s caseload dropped so low it barely edged out Staten Island, while the Bronx heated up enough to surpass all boroughs except Queens.
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Past Sales & Property History for 300 Prospect Avenue, Sea Cliff

Create a free account to view the complete sales history for 300 Prospect Avenue, Sea Cliff, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
06/04/2021 $687,000
11/09/2018 $499,000
10/13/2006 $370,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 300 Prospect Avenue, Sea Cliff

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.

Date Type Amount Party 1 Party 2
06/25/2021 - R
06/04/2021 - D
Deed
06/25/2021 - R
06/04/2021 - D
Mortgage
(Fixed rate)
12/18/2018 - R Other
(Mortgage satisfaction)
11/26/2018 - R
11/09/2018 - D
Deed
11/26/2018 - R
11/09/2018 - D
Mortgage
(Mortgage, assignment of leases and rents security agreement and fixture filing)
11/02/2006 - R
10/13/2006 - D
Deed
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R: Recorded date
D: Document date

Property Taxes for 300 Prospect Avenue, Sea Cliff

Access detailed property tax data for 300 Prospect 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 $12,534
Tax class
Market value $589,000
Assessed value $589
School current tax bill
Transitional assessed value

Assessment History for 300 Prospect Avenue, Sea Cliff

Here's the assessment & property tax history for 300 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 $589,000 $589 2128.035 $12,534 +4.05%
2025 $582,000 $582 2069.896 $12,047 -5.16%
2024 $757,600 $572 2220.743 $12,703 -27.82%
2023 $758,000 $758 2321.685 $17,598 -5.76%
2022 $758,000 $758 2463.641 $18,674 -13.77%

Permits for 300 Prospect Avenue, Sea Cliff

The complete history of permits filed for 300 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.

Data not available for this property.

Risk

Create a free account to unlock extended information for 300 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)

Transportation

Access the detailed traffic volume map for 300 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

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Sea Cliff Elementary School 8 Public K-5 343 0.64
North Shore Middle School 9 Public K-8 646 1.12
North Shore Senior High School 9 Public K-5, 9-12 764 1.17
Tiegerman Elementary School NR Private 1-5 136 1.33
Landing School 4 Public PK, 3-5 349 1.42

Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
North Shore Middle School 9 Public K-8 646 1.12
St. Peter of Alcantara School NR Private PK-8 162 1.76
All Saints Regional Catholic School NR Private PK-8 166 2.03
Carrie Palmer Weber Middle School 7 Public 6-8 1,216 2.11
Robert M Finley Middle School 5 Public 6-8 710 2.28

Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
North Shore Senior High School 9 Public K-5, 9-12 764 1.17
Paul D Schreiber Senior High School 9 Public 9-12 1,613 1.68
North Shore Day School NR Private 0 2.42
Vincent Smith School NR Private 2-12 46 2.48
Glen Cove High School 5 Public 9-12 1,050 2.85

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 300 Prospect Avenue, Sea Cliff

Here are the neighbors for 300 Prospect Avenue, Sea Cliff.

Address Square feet Purchase date Purchase price
1 Sheridan Ln, Sea Cliff 1,690 05/19/2020 $888,888
3 Sheridan Ln, Sea Cliff 1,170 10/01/2025 $990,000
74 Prospect Ave, Sea Cliff 4,002 07/24/2024
76 Prospect Ave, Sea Cliff 3,088 05/08/2024
88 Prospect Ave, Sea Cliff 2,219 02/01/2022
290 Prospect Ave, Sea Cliff 5,073 03/19/2019 $3,225,000
6 Cliff Way, Sea Cliff 1,298 08/15/2022 $1,300,000
40 Bay Ave, Sea Cliff 1,673 03/15/2002
294 Prospect Ave, Sea Cliff 1,627
249 12th Ave, Sea Cliff 2,178 12/29/1998 $615,000
209 12th St, Sea Cliff 3,984 01/29/2026 $800,000
16 Sheridan Ln, Sea Cliff 5,425 11/07/2013
292 Prospect Ave, Sea Cliff 1,627 02/28/2005 $485,000
296 Prospect Ave, Sea Cliff 1,731 09/28/2020 $700,000
280 Prospect Ave, Sea Cliff 5,074 12/18/2012
32 Bay Ave, Sea Cliff 1,394 06/15/2020
205 12th Ave, Sea Cliff 1,742 07/08/2003 $649,000
30 Bay Ave, Sea Cliff 1,956 03/31/1997 $625,000
38 Bay Ave, Sea Cliff 1,614 10/30/2017
298 Prospect Ave, Sea Cliff 1,627 04/21/2015

Nearby ZIP Codes for 300 Prospect Avenue, Sea Cliff

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