646 Colonial Arms Rd is a 1,350 square foot house on a 6,538 square foot lot. - it last sold on December 14, 2023 for $480,000. Based on Redfin's Union data, we estimate the home's value is $581,045.
Single-familyProperty Type
1956Year Built
6,538 sq ftLot Size
$430Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$581,045
$101K since sold in December 2023$30K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.4% lower than the average sale price ($704K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RA
Residential One-Family
The purpose of this section is to permit single-family detached housing, to advance opportunities for light, air, and open space in residential zones of Union Township.
Permitted uses
Include but are not limited to:
Housing-Single unit
Public service
Park & open space
Property details
Exterior
Exterior Information
Exterior Wall: Frame
Property Information
Subdivision Name: MIDLAND PARK
Living Sq. Ft: 1,350
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Undefined Type - 1 Car Garage
Garage / Carport Type: Undefined Type - 1 Car
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,538
Legal Lot Number: 16
Legal Block Number: 602
Municipality Name: UNION TWP
Acres: 0.1501
Depth Footage: 108.98
Front Footage: 60
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2026
Tax District County: UNION TWP
Public facts
Beds: —
Baths: —
Sq. Ft.: 1,350
Stories: —
Lot Size: 6,538 square feet
Style: Single Family Residential
Year Built: 1956
Year Renovated: —
County: Union County
APN: 1900602 00016
Home facts updated by county records on Jul 14, 2026
Around this home
Schools
Places
Transit
Livingston Elementary School
Public PreK-4 • Assigned • 0.7mi
7/10
Kawameeh Middle School
Public 5-8 • Assigned • 0.9mi
7/10
Union Senior High School
Public 9-12 • Assigned • 2.4mi
3/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
6/10 Flood Factor
Estimated 68-76% chance of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
7/10 Heat Factor
7 days above 101° expected this year, 15 days in 30 years
6/10 Wind Factor
27% chance of strong winds in next 30 years
4/10 Air Factor
3 unhealthy days expected this year, 5 days in 30 years
Provided by First Street
Historical weather
Union, NJ • 07083
Average low and high temperatures (°F)
36
23
40
25
57
37
65
45
72
54
83
64
88
70
83
64
78
60
68
48
56
39
41
27
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 8.6 hours in
June and 4.3 hours in December, placing it below the
U.S. average for solar exposure.
8.6 hrs
4.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$552,000 – $669,000
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