Nassau County  »  20 Prospect Ave

20 Prospect Avenue, Port Washington, NY 11050 - Property report

Also known as: 20 Prospect Ave

Property image for 20 Prospect Avenue, Port Washington, NY 11050
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Property type

One Family Year - Round Residence (210.01)

Year built

2006

Acreage

0.127

Sale price

$1,725,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
20 Prospect Avenue
ZIP code
11050
County
Nassau
Town/City
North Hempstead
Village (SWIS code)
None (unincorporated town)
Parcel ID
5-44-26

Owner

Find out who owns 20 Prospect Avenue, Port Washington, NY 11050. Uncover corporate and individual owners with a free account.

Sales
Sale date
11/20/2025
Sale price
$1,725,000
Arm's length
Tax
Tax year
2026
Current property tax
$29,879
Tax class
Zoning & Use
Zoning
R-C
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
2,592
Buildings on lot
1
Stories
2
Year built
2006
Rooms
8
Bathrooms
3
Half bathrooms
1
Exterior wall
Alum/Vinyl
Building style
Colonial
Basement
Full
Attic
None
Fireplaces
1
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
0.127
Topography
Level
Land
Primary site

Area overview

Walk score
80 /100.  Very Walkable
Transit score
0 /100.  Minimal Transit
Bike score
44 /100.  Somewhat Bikeable
School district
2004

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 20 Prospect Avenue, Port Washington, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 20 Prospect Avenue, Port Washington, NY 11050

Sale date Sale price Buyer name Seller name
11/20/2025 $1,725,000 XXXXXX XXXXXX; XXX XXXXXX XXXXXXX XXXXX XXXXXXX
08/25/2025 $140,000 XXXXXXX XXXXX XXXXXXX XXXXXXX XXXXXXXX XXXXX
07/25/2014 $1,130,000 XXXXXXXX XXXXXXX XXXXX; XXXXX XXXXXXX XXXXXXX XXXXXXXX XXXXXXXX

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
12/11/2025 - R Other
(Mortgage Satisfaction)		 XXXXXXX XXXXXXXX XXXXX XXXX
12/02/2025 - R
11/20/2025 - D		 Deed
(Deed-Deed)		 XXXXXXX XXXXX XXXXXXX XXXXXX XXXXXX
12/02/2025 - R
11/20/2025 - D		 Mortgage
(Mtg-Mortgage)		 XXXXXX XXXXXX XXXXXXXX XX
09/18/2025 - R
08/25/2025 - D		 Deed
(Deed-Deed)		 XXXXXXX XXXXXXXX XXXXX XXXXXXX XXXXX XXXXXXX
02/02/2021 - R Other
(Mortgage Satisfaction)		 XXXXXXX XXXXXXXX XXXXX XXXX
01/07/2021 - R
12/22/2020 - D		 Mortgage
(Fixed Rate)		 XXXXXXX XXXXXXXX XXXXX XXXX
08/13/2014 - R
07/25/2014 - D		 Deed XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXX XXXXX
02/07/2008 - R
12/21/2007 - D		 Deed XXXXXXX XXXXX XXXXXXXX XXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20 Prospect Avenue, Port Washington, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026
Current property tax
$29,879
Base tax
$28,749
Current school tax
Recent tax assessments
Market value
$1,238,000
Assessed value
$1,238
Transitional assessed value

More about Nassau County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2026 $1,238,000 $1,238 2322.194 $28,749 -0.96%
2025 $1,288,000 $1,288 2253.579 $29,026 -6.01%
2024 $1,287,382 $1,288 2397.689 $30,882 -4.19%
2023 $1,288,000 $1,288 2502.605 $32,234 -10.05%
2022 $1,288,000 $1,288 2782.35 $35,837 -8.77%
2021 $1,257,000 $1,257 3124.958 $39,281 +57.21%
2020 $738,400 $1,846 1353.556 $24,987 +6.31%
2019 $738,400 $1,846 1273.161 $23,503 +6.21%
2018 $738,400 $1,846 1198.727 $22,129 +5.40%
2017 $738,400 $1,846 1137.289 $20,994 +2.07%
Permits

Permit information for 20 Prospect Avenue, Port Washington, NY

No recently recorded permits for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 20 Prospect Avenue, Port Washington, NY 11050 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
My Spectrum School NR Private PK, K-1 0 0.58
My Spectrum School NR Private PK, K-1 0 0.58
St. Peter of Alcantara School NR Private PK-8 162 0.91
St. Peter of Alcantara School NR Private PK-8 162 0.91
John Philip Sousa Elementary School 6 Public K-5 540 1.09
John J Daly Elementary School 7 Public PK, K-5 475 1.26
John J Daly Elementary School 7 Public PK, K-5 475 1.26
Manorhaven Elementary School 5 Public K-5 477 1.34
Guggenheim Elementary School 7 Public K-5 492 1.34
Vincent Smith School NR Private 2-12 46 1.48
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St. Peter of Alcantara School NR Private PK-8 162 0.91
Carrie Palmer Weber Middle School 7 Public 6-8 1,216 1.11
Vincent Smith School NR Private 2-12 46 1.48
Manhasset Middle School 8 Public 7-8 521 2.42
North Shore Hebrew Academy NR Private PK-8 669 2.44
North Shore Hebrew Academy NR Private PK-8 670 2.44
North Shore Hebrew Academy NR Private PK, K-8 0 2.44
Village School NR Public 8-12 44 2.66
Great Neck North Middle School 7 Public 6-8 744 2.89
North Shore Middle School 9 Public K-8 646 3.48
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Paul D Schreiber Senior High School 9 Public 9-12 1,613 1.10
Vincent Smith School NR Private 2-12 46 1.48
Manhasset Secondary School 10 Public 9-12 962 2.42
St Mary's College Prepartory High School NR Private 9-12 679 2.65
Village School NR Public 8-12 44 2.66
Great Neck North High School 9 Public 9-12 1,176 2.98
North Shore Senior High School 9 Public K-5, 9-12 764 3.65
North Shore Hebrew Academy High School NR Private 9-12 431 4.09
Roslyn High School 9 Public 9-12 1,035 4.09
Great Neck South High School 9 Public 9-12 1,262 4.40

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 20 Prospect Avenue, Port Washington, NY

4 Warner Ave, Roslyn Heights 19 Sandy Hollow Rd, Port Washington 475 Port Washington Blvd, Port Washington 35 3rd Ave, Westbury 30 Preston St, Port Washington 56 Irma Ave, Port Washington 15 Mackey Ave, Port Washington 21 Sandy Hollow Rd, Port Washington 54 Irma Ave, Port Washington 2 Warner Ave, Roslyn Heights 28 Preston St, Port Washington 176 Grant St, Westbury 10 Shafter Ave, Albertson

Nearby ZIP codes for 20 Prospect Avenue, Port Washington, NY

11004, New York City, NY 11005, New York City, NY 11020, Nassau County, NY 11023, Nassau County, NY 11024, Nassau County, NY 11030, Nassau County, NY 11040, Nassau County, NY 11042, Nassau County, NY 11359, New York City, NY 11362, New York City, NY 11363, New York City, NY 11507, Nassau County, NY 11542, Nassau County, NY 11547, Nassau County, NY 11548, Nassau County, NY 11576, Nassau County, NY 11577, Nassau County, NY 11579, Nassau County, NY 11596, Nassau County, NY

Frequently asked questions

What is the year built for 20 Prospect Avenue, Port Washington, NY 11050?

The development at 20 Prospect Avenue, Port Washington, NY 11050 was built in 2006.

What is the total square footage of 20 Prospect Avenue, Port Washington, NY 11050?

20 Prospect Avenue, Port Washington, NY 11050 has a total of 2,592 square feet.

When was 20 Prospect Avenue, Port Washington, NY 11050 last sold and what was the sale price?

20 Prospect Avenue, Port Washington, NY 11050 was last sold on 11/20/2025 for $1,725,000.

What is the assessed value of 20 Prospect Avenue, Port Washington, NY 11050?

20 Prospect Avenue, Port Washington, NY 11050 is currently assessed at $1,238.

What are the property taxes for 20 Prospect Avenue, Port Washington, NY 11050?

The property taxes for 20 Prospect Avenue, Port Washington, NY 11050 total $28,748.

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