Suffolk County  »  11901  »  Union Ave  »  321 Union Ave

321 Union Avenue, Riverhead, NY 11901 - Property report

Also known as: 321 Union Ave

Property image for 321 Union Avenue, Riverhead, NY 11901
static Mapbox map

Property type

Parking Lot (438)

Year built

1928

Acreage

0.12

Sale price

$1

General information

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Address
Primary address
321 Union Avenue
ZIP code
11901
County
Suffolk
Village (SWIS code)
473000
Parcel ID
127-1-41

Owner

Find out who owns 321 Union Avenue, Riverhead, NY 11901. Uncover corporate and individual owners with a free account.

Sales
Sale date
01/13/2025
Sale price
$1
Arm's length
Tax
Tax year
2025-2026
Current property tax
$2,467
Zoning & Use
Zoning
Residence A-40 (RA40)
Qualified opportunity zone
Building
Property type
Parking Lot (438)
Building sq. ft.
703
Year built
1928
Lot
Acreage
0.12

Area overview

Walk score
72 /100.  Very Walkable
Transit score
0 /100.  Minimal Transit
Bike score
57 /100.  Bikeable
School district
473002

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

Ownership

Ownership information for 321 Union Avenue, Riverhead, NY

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

Sales history for 321 Union Avenue, Riverhead, NY 11901

Sale date Sale price Buyer name Seller name
01/13/2025 $1 XX XXXXXXXX XXX XXX XX XXXXXXXX XXX
11/16/2022 $750,000 XX XXXXXXXX XXX X XXXXXXXXXX XXXXXXXXXXX
06/18/2021 $1,300,000 X XXXXXXXXXX XXXXXXXXXXX XXXXXXXXXX; XXXXXXXXXX X XXXXXXXXXXX XXXXXXXXXX XXXXXXX XX XXXXX XXXX XXXXXXXXXXX XXXXX; XXXXX XXXXXXX XX XXXX XXXXXXXXXXX XXXXX; XXXXX XXXXXXX XXXXXXX

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
02/05/2025 - R
01/13/2025 - D		 Deed XX XXXXXXXX XXX XX XXXXXXXX XXX XXX
01/05/2023 - R
11/16/2022 - D		 Deed X XXXXXXXXXX XXXXXXXXXXX XX XXXXXXXX XXX
02/04/2022 - R
06/18/2021 - D		 Deed
(Bargain and sale)		 XXXXXXX XX XXXXX XXXX XXXXXXXXXXX XXXXX X XXXXXXXXXX XXXXXXXXXXX XXXXXXXXXX
01/19/2001 - R
12/28/2000 - D		 Deed XXXXXXXXX XXXXXXXX XXXXXX XXXX XXXXXXXXX XXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 321 Union Avenue, Riverhead, NY

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

Current property tax
Tax year
2025-2026
Current property tax
$2,467
Base tax
$2,301
Recent tax assessments
Market value
$137,255
Assessed value
$11,200

More about Suffolk 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
2025-2026 $137,255 $11,200 205.4452 $2,301 +6.41%
2024-2025 $134,293 $11,200 193.0705 $2,162 +5.97%
2023-2024 $120,560 $11,200 182.1973 $2,041 +0.36%
2022-2023 $110,454 $11,200 181.537 $2,033 -0.85%
2021-2022 $94,915 $11,200 183.085 $2,051 +2.94%
2020-2021 $91,057 $11,200 177.848 $1,992 +2.76%
2019-2020 $90,688 $11,200 173.073 $1,938 -0.31%
2018-2019 $82,840 $11,200 173.603 $1,944 +2.25%
2017-2018 $80,750 $11,200 169.787 $1,902 +3.35%
2016-2017 $76,398 $11,200 164.281 $1,840 +1.21%
Permits

Permit information for 321 Union Avenue, Riverhead, NY

Issued date Permit number Permit type Sub type Valuation Finaled date Status
12/11/2025

*Most recent permit on record for this property.

Neighborhood

Riverhead residential market stats

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

Median sale price

$657,500

12.4% Y-o-Y

Median price/sq. ft.

$409

3.3% Y-o-Y

Suffolk county median sale price

$677,000

5.9% Y-o-Y

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 321 Union Avenue, Riverhead, NY 11901 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)
Roanoke Avenue School 1 Public K-4 408 0.25
Pulaski Street Elementary School 4 Public 5-6 740 0.55
East End Christian Academy NR Private PK, K-9 0 0.68
East End Christian Academy NR Private PK, K-9 0 0.68
Phillips Avenue School 1 Public K-4 578 0.92
St John Paul II Regional School NR Private PK-8 130 0.97
St John Paul II Regional School NR Private PK-8 130 0.97
St Isidore School NR Private PK-8 133 0.97
Aquebogue Elementary School 5 Public K-5 474 2.34
Riley Avenue School 4 Public K-4 461 4.38
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
East End Christian Academy NR Private PK, K-9 0 0.68
Riverhead Middle School 3 Public 6-8 827 0.83
St John Paul II Regional School NR Private PK-8 130 0.97
St Isidore School NR Private PK-8 133 0.97
Bishop Mcgann-Mercy Diocesan High School NR Private 7-12 481 1.28
Riverhead Charter School 6 Charter K-11 823 4.42
Westhampton Middle School 6 Public 6-8 434 7.03
Hampton Bays Middle School 5 Public 5-8 597 8.04
Mattituck Junior Senior High School 6 Public 7-12 548 8.61
Little Flower School NR Public 3-12 92 9.42
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Riverhead Senior High School 3 Public 9-12 2,001 0.98
Bishop Mcgann-Mercy Diocesan High School NR Private 7-12 481 1.28
Suffolk County Sheriffs Office NR Public 12 7 4.19
Riverhead Charter School 6 Charter K-11 823 4.42
Westhampton Beach Senior High School 8 Public 9-12 964 6.97
Hampton Bays Secondary School 6 Public PK, 9-12 769 8.57
Mattituck Junior Senior High School 6 Public 7-12 548 8.61
Little Flower School NR Public 3-12 92 9.42

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

Neighbors for 321 Union Avenue, Riverhead, NY

204-210 E Main St, Riverhead 418-420 Lincoln St, Riverhead 343 Union Ave, Riverhead 204 East Ave, Riverhead 157 Maple Ave, Riverhead 147 Maple Ave, Riverhead 151 E 2nd St, Riverhead 314 Maple Ave, Riverhead 334 Maple Ave, Riverhead 327 Union Ave, Riverhead 123 Maple Ave, Riverhead 141 Maple Ave, Riverhead 153 Maple Ave, Riverhead 203 Maple Ave, Riverhead 439 Ostrander Ave, Riverhead 326 Maple Ave, Riverhead 220 E Main St, Riverhead 415 Union Ave, Riverhead 207 Maple Ave, Riverhead 333 Union Ave, Riverhead

Nearby ZIP codes for 321 Union Avenue, Riverhead, NY

11792, Suffolk County, NY 11931, Suffolk County, NY 11933, Suffolk County, NY 11934, Suffolk County, NY 11935, Suffolk County, NY 11940, Suffolk County, NY 11941, Suffolk County, NY 11942, Suffolk County, NY 11946, Suffolk County, NY 11947, Suffolk County, NY 11948, Suffolk County, NY 11949, Suffolk County, NY 11952, Suffolk County, NY 11956, Suffolk County, NY 11959, Suffolk County, NY 11960, Suffolk County, NY 11970, Suffolk County, NY 11972, Suffolk County, NY 11977, Suffolk County, NY 11978, Suffolk County, NY

Frequently asked questions

What is the year built for 321 Union Avenue, Riverhead, NY 11901?

The development at 321 Union Avenue, Riverhead, NY 11901 was built in 1928.

What is the market value of 321 Union Avenue, Riverhead, NY 11901?

The current market value of 321 Union Avenue, Riverhead, NY 11901 is $137,255.

What is the total square footage of 321 Union Avenue, Riverhead, NY 11901?

321 Union Avenue, Riverhead, NY 11901 has a total of 703 square feet.

What is the price per square foot for this property?

$0 per square foot is the price for 321 Union Avenue, Riverhead, NY 11901.

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