Nassau County  »  11550  »  Union Ave  »  21 Union Ave

21 Union Avenue, Hempstead, NY 11550 - Property report

Also known as: 21 Union Ave

Property image for 21 Union Avenue, Hempstead, NY 11550
static Mapbox map

Property type

One Family Year - Round Residence (210.01)

Year built

1929

Acreage

0.115

Sale price

$290,850

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
21 Union Avenue
Alternate address(es)
21 James L L Burrell Ave
ZIP code
11550
County
Nassau
Town/City
Hempstead
Village (SWIS code)
Hempstead
Parcel ID
34-247-144

Owner

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Sales
Sale date
03/16/2023
Sale price
$290,850
Arm's length
Tax
Tax year
2026
Current property tax
$7,756
Tax class
Zoning & Use
Zoning
Res A
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
1,342
Buildings on lot
1
Stories
2
Year built
1929
Rooms
6
Bathrooms
2
Half bathrooms
1
Exterior wall
Mas & frame
Building style
Old Style
Basement
Full
Attic
None
Fireplaces
1
Heating type
Central
Heating system
Steam and vapor
Lot
Acreage
0.115
Topography
Level
Land
Primary site

Area overview

Walk score
71 /100.  Very Walkable
Transit score
58 /100.  Good Transit
Bike score
51 /100.  Bikeable
School district
1001

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

Ownership

Ownership information for 21 Union Avenue, Hempstead, NY

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

Sales history for 21 Union Avenue, Hempstead, NY 11550

Sale date Sale price Buyer name Seller name
03/16/2023 $290,850 XXXXXX XXX XXXX XX XXXXX XXXX XXX XXXXXXX XX XXX XXXXXXXXX XXXXXXXX XXXX XXXXX XXX XXXXX-XXXXXX XXXX-XXXXXXX XXXXXXXXXXXX XXXXXX XXXX-XXX; XX XXXX XXXXXXXX XXXX XXX
12/16/2022 $748,043 XXX XXXXXXX XX XXX XXXXXXXXX XXXXXXXX XXXX XXXXX XXX; XX XXXX XXXXXXXX XXXX XXX X/X XXXXXXXXXX XXXXXXXX XXXXXXXXX XXXXXX X XXXXXXX XXX
05/25/2005 $350,000 XXXXXXX XXXXX; XXXXXX XXXXXXX XXXXXXXXX XXXXXXXXXX

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
04/29/2026 - R Other
(Mortgage agreement)		 XX XXXX XXX XXXX XX XXXXX XXXX XXXX XXXXXX XXX XXXXXX XXXXXX
04/29/2026 - R
04/20/2026 - D		 Mortgage
(Mtg-mortgage)		 XX XXXX XXX XXXX XX XXXXX XXXX XXXX XXXXXX XXX XXXXXX XXXXXX
03/28/2024 - R Other
(Mortgage satisfaction)		 XXXXXX XXX XXXX XX XXXXX XXXX XXXXXXXXX XXXXXX
03/31/2023 - R Other
(Mortgage agreement)		 XXXXXX XXX XXXX XX XXXXX XXXX XXXXXXXXX XXXXXX
03/24/2023 - R
03/16/2023 - D		 Deed XXX XXXXXXX XX XXX XXXXXXXXX XXXXXXXX XXXX XXXXX XXX XXXXX-XXXXXX XXXX-XXXXXXX XXXXXXXXXXXX XXXXXX XXXX-XXX XXXXXX XXX XXXX XX XXXXX XXXX
03/24/2023 - R
03/16/2023 - D		 Mortgage
(Fixed rate)		 XXXXXX XXX XXXX XX XXXXX XXXX XXXXXXXXX XXXXXX
01/05/2023 - R
12/16/2022 - D		 Deed
(Referee`s deed)		 XXXXXX X XXXXXXX XXX XXX XXXXXXX XX XXX XXXXXXXXX XXXXXXXX XXXX XXXXX XXX
12/09/2005 - R
05/25/2005 - D		 Deed XXXXXXXXX XXXXXXXXXX XXXXXXX XXXXX
03/09/2005 - R
02/16/2005 - D		 Deed XXXXXX XXXXXX XXXXXXXXXX XXXXXXXXX
10/05/1994 - R
09/20/1994 - D		 Deed XXXX XXXXX XXXXXX XXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21 Union Avenue, Hempstead, 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
$7,756
Current school tax
Recent tax assessments
Market value
$308,000
Assessed value
$308
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 $308,000 $308 2518.063 $7,756 -0.78%
2025 $308,000 $308 2537.866 $7,817 -6.68%
2024 $308,560 $308 2719.393 $8,376 -7.62%
2023 $308,000 $308 2943.81 $9,067 -10.70%
2022 $308,000 $308 3296.383 $10,153 -12.37%
2021 $299,000 $299 3874.779 $11,586 +10.95%
2020 $247,600 $619 1686.931 $10,442 +4.04%
2019 $247,600 $619 1621.454 $10,037 +2.78%
2018 $247,600 $619 1577.543 $9,765 +6.49%
2017 $247,600 $619 1481.45 $9,170 +5.76%
Permits

Permit information for 21 Union Avenue, Hempstead, 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

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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 21 Union Avenue, Hempstead, NY 11550 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)
Jackson Main Elementary School 5 Public 1-6 495 0.12
Jackson Annex School NR Public 1-5 394 0.23
RHODES ACADEMY OF HUMANITIES-ARTS 2 Public PK, K-5 739 0.46
RHODES ACADEMY OF HUMANITIES-ARTS 2 Public PK, K-5 739 0.46
Front Street Elementary School NR Public 5-6 340 0.53
Locust School NR Public K-1 138 0.72
Academy Charter School 8 Charter K-12 1,880 0.79
Barack Obama Elementary School 3 Public 1-6 501 0.82
Prospect Elementary School NR Public PK, K 414 0.84
Prospect Elementary School NR Public PK, K 414 0.84
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Hanc - Middle & High School NR Private 7-12 390 0.52
Academy Charter School 8 Charter K-12 1,880 0.79
Alverta B Gray Schultz Middle School 3 Public 7-8 938 0.84
Nassau Boces NR Public K-12 1,712 0.97
Academy Charter School-Uniondale 7 Charter K-7, 9-11 1,272 0.98
St Joseph Elementary School NR Private PK-8 286 1.08
Crescent School NR Private PK-12 239 1.15
St Martin De Porres Marianist School NR Private PK, K-8 427 1.25
Evergreen Charter School 5 Charter K-11 966 1.43
St Thomas The Apostle School NR Private PK-8 245 1.62
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Hanc - Middle & High School NR Private 7-12 390 0.52
Academy Charter School 8 Charter K-12 1,880 0.79
Nassau Boces NR Public K-12 1,712 0.97
Academy Charter School-Uniondale 7 Charter K-7, 9-11 1,272 0.98
Sacred Heart Academy NR Private 9-12 853 1.15
Crescent School NR Private PK-12 239 1.15
Evergreen Charter School 5 Charter K-11 966 1.43
Hempstead High School 2 Public 9-12 1,866 1.57
Kellenberg Memorial High School NR Private 6-12 2,549 1.69
Uniondale High School 4 Public 9-12 2,080 1.85

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

Neighbors for 21 Union Avenue, Hempstead, NY

210 Yale St, Hempstead 170 Bennett Ave, Hempstead 232 Yale St, Hempstead 179 Bennett Ave, Hempstead 240 Yale St, Hempstead 183 Bennett Ave, Hempstead 91 Harvard St, Hempstead 115 Harvard St, Hempstead 31 Union Ave, Hempstead 22-24 Stewart Ave, Hempstead 178 Bennett Ave, Hempstead 35 James L L Burrell Ave, Hempstead 244 Yale St, Hempstead 193 Harvard St, Hempstead 28 Stewart Ave, Hempstead 174 Bennett Ave, Hempstead 248 Yale St, Hempstead 99 Harvard St, Hempstead 214 Yale St, Hempstead 25 James L L Burrell Ave, Hempstead

Nearby ZIP codes for 21 Union Avenue, Hempstead, NY

11010, Nassau County, NY 11501, Nassau County, NY 11510, Nassau County, NY 11514, Nassau County, NY 11518, Nassau County, NY 11520, Nassau County, NY 11530, Nassau County, NY 11549, Nassau County, NY 11552, Nassau County, NY 11554, Nassau County, NY 11556, Nassau County, NY 11563, Nassau County, NY 11565, Nassau County, NY 11566, Nassau County, NY 11572, Nassau County, NY 11575, Nassau County, NY 11590, Nassau County, NY 11596, Nassau County, NY

Frequently asked questions

What is the year built for 21 Union Avenue, Hempstead, NY 11550?

The development at 21 Union Avenue, Hempstead, NY 11550 was built in 1929.

What is the total square footage of 21 Union Avenue, Hempstead, NY 11550?

21 Union Avenue, Hempstead, NY 11550 has a total of 1,342 square feet.

When was 21 Union Avenue, Hempstead, NY 11550 last sold and what was the sale price?

21 Union Avenue, Hempstead, NY 11550 was last sold on 03/16/2023 for $290,850.

What is the assessed value of 21 Union Avenue, Hempstead, NY 11550?

21 Union Avenue, Hempstead, NY 11550 is currently assessed at $308.

What are the property taxes for 21 Union Avenue, Hempstead, NY 11550?

The property taxes for 21 Union Avenue, Hempstead, NY 11550 total $7,755.

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