Nassau County  »  11510  »  Seaman Ave  »  840 Seaman Ave

840 Seaman Avenue, Baldwin, NY 11510 - Property report

Also known as: 840 Seaman Ave

Property image for 840 Seaman Avenue, Baldwin, NY 11510
static Mapbox map

Property type

Three Family Year - Round Residence (230.01)

Year built

1930

Acreage

0.15

Sale price

$270,000

General information

Unlock this property report with a free account

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
840 Seaman Avenue
ZIP code
11510
County
Nassau
Town/City
Hempstead
Village (SWIS code)
None (unincorporated town)
Parcel ID
54-470-211

Owner

Find out who owns 840 Seaman Avenue, Baldwin, NY 11510. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/26/1999
Sale price
$270,000
Arm's length
Tax
Tax year
2026
Current property tax
$21,124
Tax class
Building
Property type
Three Family Year - Round Residence (230.01)
Building sq. ft.
4,096
Buildings on lot
1
Stories
2.7
Year built
1930
Rooms
20
Bathrooms
5
Exterior wall
Alum/Vinyl
Building style
Old Style
Basement
Full
Attic
None
Heating type
Central
Heating system
Hot water
Lot
Acreage
0.15
Topography
Level
Land
Primary site

Area overview

Walk score
76 /100.  Very Walkable
Transit score
43 /100.  Some Transit
Bike score
50 /100.  Bikeable
School district
1010

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

Ownership

Ownership information for 840 Seaman Avenue, Baldwin, NY

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

Sales history for 840 Seaman Avenue, Baldwin, NY 11510

Sale date Sale price Buyer name Seller name
08/26/1999 $270,000 XXXXXX XXXX X XXXXX XXXXXX X

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
08/01/2025 - R Other
(Mortgage agreement)		 XXXXXX XXXX XXXXXXXX XXXXXXX XX XXX
08/01/2025 - R
07/28/2025 - D		 Mortgage
(Mtg-mortgage)		 XXXXXX XXXX XXXX
08/13/2019 - R Other
(Mortgage agreement)		 XXXXXX XXXX X XXXXXXXX XXXXXXX XXXX
08/13/2019 - R Other
(Mortgage satisfaction)		 XXXXXX XXXX X XXXXXXXX XXXXXXX XXXX
02/01/2005 - R
01/04/2005 - D		 Deed XXXXXX XXXX
11/08/1999 - R
08/26/1999 - D		 Deed XXXXX XXXXXX X XXXXXX XXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 840 Seaman Avenue, Baldwin, NY

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

Current property tax
Tax year
2026
Property tax
$21,124
Current school tax
Recent tax assessments
Market value
$651,000
Assessed value
$651
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 $651,000 $651 3244.822 $21,124 +9.41%
2025 $626,000 $626 3084.059 $19,306 -9.68%
2024 $651,045 $651 3283.401 $21,375 -5.13%
2023 $651,000 $651 3460.916 $22,531 -9.61%
2022 $651,000 $651 3828.88 $24,926 -9.57%
2021 $622,000 $622 4431.472 $27,564 +16.40%
2020 $486,400 $1,216 1947.429 $23,681 +10.93%
2019 $462,400 $1,156 1846.732 $21,348 +4.91%
2018 $462,400 $1,156 1760.344 $20,350 +4.44%
2017 $462,400 $1,156 1685.583 $19,485 +3.57%
Permits

Permit information for 840 Seaman Avenue, Baldwin, NY

No recently recorded permits for this property.

Neighborhood

Hempstead residential market stats

Access a detailed real estate market overview of Hempstead so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Hempstead and compare it to other neighborhoods in Nassau.

Median sale price

$725,000

3.6% Y-o-Y

Median price/sq. ft.

$490

5.8% Y-o-Y

Nassau county median sale price

$800,000

5.3% Y-o-Y

Check out recently sold homes in Hempstead and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 840 Seaman Avenue, Baldwin, NY 11510 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)
Brookside Elementary School 6 Public K-5 244 0.43
Plaza Elementary School 6 Public K-5 441 0.51
St Christopher Elementary School NR Private PK-8 231 0.86
St Christopher Elementary School NR Private PK-8 231 0.86
Caroline G Atkinson School 6 Public 5-6 928 0.90
Wilson School 7 Public K-5 412 0.98
Bayview Avenue School 6 Public K-4 516 1.06
Lenox Elementary School 6 Public K-5 263 1.14
Centennial Avenue Elementary School 5 Public PK, K-6 499 1.18
Centennial Avenue Elementary School 5 Public PK, K-6 499 1.18
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St Christopher Elementary School NR Private PK-8 231 0.86
Woodward Mental Health Center NR Private 6-12 70 1.23
Freeport Christian Academy & Daycare NR Private K-10 121 1.24
Woodward Mental Health Center NR Private 2-12 0 1.25
The De Lasalle School NR Private 5-8 0 1.25
John W Dodd Middle School 4 Public 7-8 986 1.33
Roosevelt Children S Academy Charter School 5 Charter K-8 730 1.40
Lawrence Road Middle School 3 Public 6-8 682 1.89
South Side Middle School 6 Public 6-8 837 1.91
School 7 Oceanside Senior High School 9 Public 8-12 1,692 2.18
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Baldwin Senior High School 8 Public 9-12 1,484 0.30
Freeport High School 5 Public 9-12 2,264 0.56
South Side High School 9 Public 9-12 999 0.77
Woodward Mental Health Center NR Private 6-12 70 1.23
Freeport Christian Academy & Daycare NR Private K-10 121 1.24
Woodward Mental Health Center NR Private 2-12 0 1.25
Bundle of Joy Kindergarten NR Private 0 1.39
Hi Hello Child Care Center 2 NR Private 0 1.45
Castleton Academy High School Of Oceanside 4 Public 9-12 50 2.02
School 7 Oceanside Senior High School 9 Public 8-12 1,692 2.18

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

Neighbors for 840 Seaman Avenue, Baldwin, NY

848 E Seaman Ave, Baldwin 857 Newton Ave, Baldwin 1946 Brookwood Dr, Baldwin 1934 Brookwood Dr, Baldwin 1928 Brookwood Dr, Baldwin 854 Seaman Ave, Baldwin 845 Newton Ave, Baldwin 880 Seaman Ave, Baldwin 841 Newton Ave, Baldwin 876 Seaman Ave, Baldwin 866 Seaman Ave, Baldwin 844 E Seaman Ave, Baldwin 862 E Seaman Ave, Baldwin 903 Newton Ave, Baldwin 8 Newton Ave, Lynbrook 1940 Brookwood Dr, Baldwin 870 Seaman Ave, Baldwin 886 E Seaman Ave, Baldwin 861 Newton Ave, Baldwin 1927 Anita CT, Baldwin

Nearby ZIP codes for 840 Seaman Avenue, Baldwin, NY

11518, Nassau County, NY 11520, Nassau County, NY 11530, Nassau County, NY 11549, Nassau County, NY 11550, Nassau County, NY 11552, Nassau County, NY 11554, Nassau County, NY 11556, Nassau County, NY 11561, Nassau County, NY 11563, Nassau County, NY 11565, Nassau County, NY 11566, Nassau County, NY 11569, Nassau County, NY 11572, Nassau County, NY 11575, Nassau County, NY 11793, Nassau County, NY

Frequently asked questions

What is the year built for 840 Seaman Avenue, Baldwin, NY 11510?

The development at 840 Seaman Avenue, Baldwin, NY 11510 was built in 1930.

What is the total square footage of 840 Seaman Avenue, Baldwin, NY 11510?

840 Seaman Avenue, Baldwin, NY 11510 has a total of 4,096 square feet.

When was 840 Seaman Avenue, Baldwin, NY 11510 last sold and what was the sale price?

840 Seaman Avenue, Baldwin, NY 11510 was last sold on 08/26/1999 for $270,000.

What is the assessed value of 840 Seaman Avenue, Baldwin, NY 11510?

840 Seaman Avenue, Baldwin, NY 11510 is currently assessed at $651.

What are the property taxes for 840 Seaman Avenue, Baldwin, NY 11510?

The property taxes for 840 Seaman Avenue, Baldwin, NY 11510 total $21,123.

How many residential units does this building have?

This building has 3 residential unit(s).

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account