Nassau County  »  21 Cornwall Ln

21 Cornwall Lane, Port Washington, NY 11050 Property Information

21 Cornwall Lane, Port Washington, NY 11050 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

21 Cornwall Lane, Port Washington, NY 11050
static Mapbox map

Address

Primary address 21 Cornwall Lane, Port Washington
Zip code 11050
County Nassau
Town/City North Hempstead
Village (swiss code) Sands Point
Parcel ID 4-E-101

Sales & Tax Overview for 21 Cornwall Lane, Port Washington

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

Sale date 07/25/2016
Sale price $1,250,000
Arm's length
Tax class
Current property tax $27,006

Lot & Building Information for 21 Cornwall Lane, Port Washington

Building sqft 3,522
Building class One Family Year - Round Residence (210.01)
Land Primary site
Topography Level
Acreage 1
Buildings on lot 1
Year built 1938
Stories 2
Style Colonial
Rooms 8
Bathrooms 5
Half bathrooms 1
Attic Partial
Basement Full
Exterior wall Mas & frame
Heating type Central/AC
Heating system Central w ac
Fireplace 2
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


School district Port Washington UFSD

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

Other Property Data for 21 Cornwall Lane, Port Washington

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 21 Cornwall Lane, Port Washington , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 21 Cornwall Lane, Port Washington

What is the year built & the total sq. ft. for 21 Cornwall Lane, Port Washington, NY 11050?

21 Cornwall Lane, Port Washington, NY 11050 was built in 1938 and has a total of 3,522 square feet.

What is the assessed value of 21 Cornwall Lane, Port Washington, NY 11050 and the property tax paid?

Assessed at $1,528, the tax amount paid for 21 Cornwall Lane, Port Washington, NY 11050 is $28,283.

When was 21 Cornwall Lane, Port Washington, NY 11050 last sold and what was the last sale price?

21 Cornwall Lane, Port Washington, NY 11050 was last sold in 07/25/2016 for $1,250,000.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
Laura Pop-Badiu, Apr 09, 2026 How to Do a Title Search on Property Yourself: A Step-by-Step Online GuideĀ 
A property title search is the process of reviewing public records to confirm who legally owns a property and whether there are any liens, mortgages or legal claims attached to it. Explore our step-by-step guide explaining how you can perform a title search yourself. 
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 21 Cornwall Lane, Port Washington

Create a free account to view the complete sales history for 21 Cornwall Lane, Port Washington, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
07/25/2016 $1,250,000
10/26/2010 $1,030,000
02/14/2003 $852,500
       
       
Access the complete sales history for 21 Cornwall Lane, Port Washington with a free account.
Sign up

*Here are the three most recent sales for this property.


Title Documents for 21 Cornwall Lane, Port Washington

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
06/01/2020 - R Other
(Mortgage agreement)
06/01/2020 - R Assignment
(Assign mortgage)
03/24/2020 - D
06/01/2020 - R
Mortgage
(Fixed rate)
07/25/2016 - D
08/09/2016 - R
Deed
10/26/2010 - D
11/04/2010 - R
Deed
02/14/2003 - D
03/05/2003 - R
Deed
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 21 Cornwall Lane, Port Washington

Access detailed property tax data for 21 Cornwall Lane, Port Washington, NY 11050. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2026
Base tax $28,284
Current property tax $27,006
Tax class
Market value $1,528,000
Assessed value $1,528
School current tax bill
Property tax exemptions
Transitional assessed value

Assessment History for 21 Cornwall Lane, Port Washington

Here's the assessment & property tax history for 21 Cornwall Lane, Port Washington, 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 $1,486,000 $1,486 1795.444 $26,680 -6.49%
2024 $1,496,000 $1,496 1907.235 $28,532 -3.13%
2023 $1,484,000 $1,484 1984.707 $29,453 -9.24%
2022 $1,496,000 $1,496 2169.223 $32,452 -12.56%
2021 $1,515,000 $1,515 2449.74 $37,114 +106.80%

Permits for 21 Cornwall Lane, Port Washington

The complete history of permits filed for 21 Cornwall Lane, Port Washington, 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 21 Cornwall Lane, Port Washington, 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 21 Cornwall Lane, Port Washington 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 to school (mi)
Manorhaven Elementary School 5 Public K-5 477 0.65
John Philip Sousa Elementary School 6 Public K-5 540 0.70
My Spectrum School NR Private PK, K-1 0 0.97
My Spectrum School NR Private PK, K-1 0 0.97
Guggenheim Elementary School 7 Public K-5 492 1.34

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
St. Peter of Alcantara School NR Private PK-8 162 2.02
North Shore Hebrew Academy NR Private PK, K-8 0 2.12
North Shore Hebrew Academy NR Private PK-8 669 2.35
North Shore Hebrew Academy NR Private PK-8 670 2.35
Carrie Palmer Weber Middle School 7 Public 6-8 1,216 2.62

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Paul D Schreiber Senior High School 9 Public 9-12 1,613 2.46
Village School NR Public 8-12 44 2.98
Vincent Smith School NR Private 2-12 46 3.00
Great Neck North High School 9 Public 9-12 1,176 3.26
Manhasset Secondary School 10 Public 9-12 962 3.63

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

Neighbors for 21 Cornwall Lane, Port Washington

Here are the neighbors for 21 Cornwall Lane, Port Washington.

Address Square feet Purchase date Purchase price
30 Barkers Point Rd, Port Washington 4,567 06/05/2002
96 Barkers Point Rd, Port Washington 2,197 07/30/2020 $1,470,000
62 Barkers Point Rd, Port Washington 3,926
86 Barkers Point Rd, Port Washington 3,663
58 Barkers Point Rd, Port Washington 2,045 08/02/2013 $1,515,000
78 Barkers Point Rd, Port Washington 4,487 10/16/2024 $3,500,000
17 Cedar Ln, Port Washington 4,205 06/28/2024 $3,300,000
82 Barkers Point Rd, Port Washington 2,676 09/16/2006 $1,662,500
60 Barkers Point Rd, Port Washington 4,844 09/29/1995 $980,000
54 Barkers Point Rd, Port Washington 4,649 11/03/2022
64 Barkers Point Rd, Port Washington 5,076 07/03/2025 $3,850,000
28 Barkers Point Rd, Port Washington 5,220 08/31/2021 $3,750,000
20 Cedar Ln, Port Washington 4,361 07/27/2009 $1,600,000
35 Cornwall Ln, Port Washington 3,256 08/26/1997 $765,000
31 Cornwall Ln, Port Washington 4,910 01/03/2024
133 Sands Point Rd, Port Washington 5,643 11/12/2010
39 Cornwall Ln, Port Washington 2,730 11/20/2023 $2,181,816
15 Cedar Ln, Port Washington 5,072 12/15/2020 $2,750,000
62 A Barkers Point Rd, Port Washington 4,722
70 Barkers Point Rd, Port Washington 3,556 06/05/2024 $2,405,000

Nearby ZIP Codes for 21 Cornwall Lane, Port Washington

Not sure if we cover all the data-points you need? View sample full report View sample full report