Nassau County » 11520 » E Seaman Ave » 21 E Seaman Ave

21 East Seaman Avenue, Freeport, NY 11520 Property Information

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

Address

Primary address	21 East Seaman Avenue, Freeport
Zip code	11520
County	Nassau

Town/City	Hempstead
Village (swiss code)	Freeport
Parcel ID	55-447-516

Sales & Tax Overview for 21 East Seaman Avenue, Freeport

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

Sale date	08/23/2010
Sale price	$250,000

Arm's length	Register
Tax class	Register
Current property tax	$7,661

Lot & Building Information for 21 East Seaman Avenue, Freeport

Building sqft	1,827
Building class	One Family Year - Round Residence (210.01)
Land	Primary site
Topography	Level
Acreage	0.176
Buildings on lot	1
Year built	1920
Stories	2

Style	Old Style
Rooms	8
Bathrooms	2
Attic	None
Basement	Full
Exterior wall	Asbestos
Heating type	Central
Heating system	Hot water

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

Zoning district	Register (See more on map)

School district	Freeport

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

Other Property Data for 21 East Seaman Avenue, Freeport

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 East Seaman Avenue, Freeport , 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 East Seaman Avenue, Freeport

What is the year built & the total sq. ft. for 21 East Seaman Avenue, Freeport, NY 11520?

21 East Seaman Avenue, Freeport, NY 11520 was built in 1920 and has a total of 1,827 square feet.

What is the assessed value of 21 East Seaman Avenue, Freeport, NY 11520 and the property tax paid?

Assessed at $395, the tax amount paid for 21 East Seaman Avenue, Freeport, NY 11520 is $8,558.

When was 21 East Seaman Avenue, Freeport, NY 11520 last sold and what was the last sale price?

21 East Seaman Avenue, Freeport, NY 11520 was last sold in 08/23/2010 for $250,000.

Ownership Information

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

Commercial Real Estate nearby

Real Estate Reports:

Laura Pop-Badiu, Jul 29, 2026 How to Contact Property Owners: Cold Calling Scripts, Email Templates & Outreach Tips

When it comes to efficiently contacting property owners, the challenge is twofold: First, you need to identify the right owner. Then, you need to reach that owner through the appropriate channel with the right message. Enhanced by effective follow-up tips and tactics, this guide is particularly useful for investors, agents and other real estate professionals who need an effective outreach process.

Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District

New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.

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

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 East Seaman Avenue, Freeport

Create a free account to view the complete sales history for 21 East Seaman Avenue, Freeport, including title documents, transfer conditions, mortgages and liens.

Access the complete sales history for 21 East Seaman Avenue, Freeport with a free account.
Sign up

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

More about Nassau County Property Records

Title Documents for 21 East Seaman Avenue, Freeport

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
08/15/2025 - R	Other (Mortgage satisfaction)
09/10/2010 - R 08/23/2010 - D	Deed
04/07/2010 - R 03/12/2010 - D	Deed
04/07/2010 - R 03/08/2010 - D	Deed
02/06/2009 - R 12/16/2008 - D	Deed (Referee`s deed)
05/12/2004 - R 03/26/2004 - D	Deed

Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 21 East Seaman Avenue, Freeport

Access detailed property tax data for 21 East Seaman Avenue, Freeport, NY 11520. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year	2026
Base tax	$8,559
Current property tax	$7,662
Tax class	Register
Market value	$395,000
Assessed value	$395

School current tax bill	Register
Transitional assessed value	Register

More about Nassau County Property Taxes

Assessment History for 21 East Seaman Avenue, Freeport

Here's the assessment & property tax history for 21 East Seaman Avenue, Freeport, 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	$395,000	$395	2166.764	$8,559	+0.49%
2025	$395,000	$395	2156.21	$8,517	-9.60%
2024	$394,602	$395	2385.282	$9,422	-6.84%
2023	$395,000	$395	2560.523	$10,114	-11.58%
2022	$395,000	$395	2895.963	$11,439	-11.76%

Permits for 21 East Seaman Avenue, Freeport

The complete history of permits filed for 21 East Seaman Avenue, Freeport, 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 East Seaman Avenue, Freeport, 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 East Seaman Avenue, Freeport 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)
Caroline G Atkinson School	6	Public	5-6	928	0.21
Columbus Avenue School	NR	Public	PK, K-2	195	0.45
Columbus Avenue School	NR	Public	PK, K-2	195	0.45
Freeport Christian Academy & Daycare	NR	Private	K-10	121	0.46
Miss Shelleys Upward Prep School	NR	Private	PK-K	50	0.61

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Freeport Christian Academy & Daycare	NR	Private	K-10	121	0.46
Roosevelt Children S Academy Charter School	5	Charter	K-8	730	0.62
Bundle of Joy Kindergarten	NR	Private		0	0.64
The De Lasalle School	NR	Private	5-8	0	0.71
John W Dodd Middle School	4	Public	7-8	986	0.73

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Freeport Christian Academy & Daycare	NR	Private	K-10	121	0.46
Bundle of Joy Kindergarten	NR	Private		0	0.64
Woodward Mental Health Center	NR	Private	2-12	0	0.87
Woodward Mental Health Center	NR	Private	6-12	70	0.92
Baldwin Senior High School	8	Public	9-12	1,484	1.01

Neighbors for 21 East Seaman Avenue, Freeport

Here are the neighbors for 21 East Seaman Avenue, Freeport.

Address	Square feet	Purchase date	Purchase price
50 W Woodbine Dr, Freeport	1,777	02/08/2021	$454,990
37 E Seaman Ave, Freeport	2,250	05/23/2003	$202,000
252 Main St, Freeport	1,204	12/16/2025	$750,000
54 W Woodbine Dr, Freeport	1,839	06/06/2016
42 W Woodbine Dr, Freeport	2,036	03/12/2008	$360,400
32 W Woodbine Dr, Freeport	1,610	08/13/2020	$425,000
23 Seaman Ave, Freeport		05/31/2003
31 Seaman Ave, Freeport	1,350	08/19/2022	$540,000
29 Seaman Ave, Freeport	1,437
23 E Seaman Ave, Freeport	1,008
20 Lillian Ave, Freeport	910	01/26/2026	$350,000
22 Lillian Ave, Freeport	1,154	12/17/2007
72 Lena Ave, Freeport	4,345	08/31/2004	$560,000
239 Jay St, Freeport	1,150	02/12/2010
25 E Seaman Ave, Freeport	1,050	06/08/2015	$260,000
268 N Main St, Freeport	8,017	04/12/2013	$575,000
36 W Woodbine Dr, Freeport	1,844	05/11/2026	$475,000
27 E Seaman Ave, Freeport	1,261	09/21/2010	$240,000
256 N Main St, Freeport	1,485	04/12/2013	$575,000
18 Lillian Ave, Freeport	1,218	12/17/2007	$244,000

Nearby ZIP Codes for 21 East Seaman Avenue, Freeport

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