4721 Columbia Rd is a 1,464 square foot townhouse on a 2,375 square foot lot with 2.5 bathrooms. Based on Redfin's Ellicott City data, we estimate the home's value is $474,479.
TownhomeProperty Type
1989Year Built
2,375 sq ftLot Size
$324Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$474,479
$15K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.8% lower than the average sale price ($520K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$6,306 (+4.7%)
2025
$6,021 (+4.8%)
2024
$5,747 (+3.8%)
2023
$5,534 (+3.8%)
$180,000 + $190,000
$370,000
2022
$5,332 (+2.8%)
2021
$5,187 (+1.3%)
2020
$5,120 (+1.0%)
$150,000 + $186,100
$336,100
2019
$5,070 (+7.7%)
2018
$4,706 (+5.0%)
$122,600 + $203,100
$325,700
2017
$4,484 (+13.8%)
2015
$3,940 (+3.9%)
$122,600 + $161,900
$284,500
2014
$3,792 (+3.3%)
2013
$3,670 (+3.8%)
2012
$3,537 (+3.2%)
2011
$3,428 (−0.8%)
2010
$3,457 (+53.1%)
2009
$2,258
Tax history for 4721 Columbia Rd
Year
Property tax
Land + Additions
Assessment*
2026
$6,306 (+4.7%)
2025
$6,021 (+4.8%)
2024
$5,747 (+3.8%)
2023
$5,534 (+3.8%)
$180,000 + $190,000
$370,000
2022
$5,332 (+2.8%)
2021
$5,187 (+1.3%)
2020
$5,120 (+1.0%)
$150,000 + $186,100
$336,100
2019
$5,070 (+7.7%)
2018
$4,706 (+5.0%)
$122,600 + $203,100
$325,700
2017
$4,484 (+13.8%)
2015
$3,940 (+3.9%)
$122,600 + $161,900
$284,500
2014
$3,792 (+3.3%)
2013
$3,670 (+3.8%)
2012
$3,537 (+3.2%)
2011
$3,428 (−0.8%)
2010
$3,457 (+53.1%)
2009
$2,258
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-SC
Residential Single Cluster District
The R-SC District is established to provide the opportunity for clustering of single-family detached and attached dwellings to promote sensitive use for the land as well as to provide compatibility with other residential districts.
Permitted uses
Include but are not limited to:
Agriculture
Housing-Single unit
Infrastructure
Public service
Educational/school
Fire house
Recreation
Communications tower
Property details
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Heat Pump
Exterior
Exterior Information
Building Style Type: Townhouse
Building Construction Quality: Average
Exterior Wall: Aluminum/Vinyl
Building Type: Townhouse
Property Information
Subdivision Name: DORSEY HALL SEC 02
Living Sq. Ft: 1,464
Building Sq. Ft: 1,464
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: LOT C 193 .0545 A 4721 COLUMBIA RD DORSEY HALL S 2 AR 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 2,375
Legal Lot Number: C-193
Acres: 0.0545
Zoning Code: RSC
State Use Description: TOWNHOUSE
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 02
Public facts
Beds: —
Baths: 2.5
Sq. Ft.: 1,464
Stories: 2.0
Lot Size: 2,375 square feet
Style: Townhouse
Year Built: 1989
Year Renovated: —
County: Howard County
APN: 02 332094
Home facts updated by county records on Sep 4, 2026
Around this home
Schools
Northfield Elementary School
Public K-5 • Assigned • 0.7mi
8/10
Dunloggin Middle School
Public 6-8 • Assigned • 0.6mi
8/10
Wilde Lake High School
Public 9-12 • Assigned • 2.8mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk 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 103° expected this year, 16 days in 30 years
4/10 Wind Factor
15% chance of strong winds in next 30 years
4/10 Air Factor
5 unhealthy days expected this year, 6 days in 30 years
Provided by First Street
Historical weather
Ellicott City, MD • 21042
Average low and high temperatures (°F)
37
21
42
27
60
38
68
46
72
54
83
63
88
69
80
61
79
58
68
45
57
37
43
27
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.2 hours in
June and 4.3 hours in December, placing it below the
U.S. average for solar exposure.
9.2 hrs
4.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$451,000 – $546,000
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