4376 Columbia Rd is a 2,016 square foot house on a 0.6 acre lot with 2.5 bathrooms. Based on Redfin's Ellicott City data, we estimate the home's value is $655,698.
Single-familyProperty Type
1992Year Built
0.6 acresLot Size
$325Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$655,698
$7,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.2% lower than the average sale price ($714K) 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
$7,977 (+19.6%)
$222,600 + $289,700
$512,300
2025
$6,668 (+3.8%)
$222,600 + $289,700
$512,300
2024
$6,424 (+36.8%)
2023
$4,696 (−30.8%)
2022
$6,788 (+1.6%)
$212,600 + $240,100
$452,700
2021
$6,678 (+2.4%)
2020
$6,523 (+111.4%)
2019
$3,086 (−48.3%)
$184,600 + $240,500
$425,100
2018
$5,968 (+2.3%)
2017
$5,836 (+9.7%)
$184,600 + $216,400
$401,000
2015
$5,322 (+2.8%)
$177,100 + $180,400
$357,500
2014
$5,179 (+3.9%)
2013
$4,983 (+0.6%)
2012
$4,952 (+3.9%)
2011
$4,766 (+4.5%)
2010
$4,561 (+45.7%)
2009
$3,131
Tax history for 4376 Columbia Rd
Year
Property tax
Land + Additions
Assessment*
2026
$7,977 (+19.6%)
$222,600 + $289,700
$512,300
2025
$6,668 (+3.8%)
$222,600 + $289,700
$512,300
2024
$6,424 (+36.8%)
2023
$4,696 (−30.8%)
2022
$6,788 (+1.6%)
$212,600 + $240,100
$452,700
2021
$6,678 (+2.4%)
2020
$6,523 (+111.4%)
2019
$3,086 (−48.3%)
$184,600 + $240,500
$425,100
2018
$5,968 (+2.3%)
2017
$5,836 (+9.7%)
$184,600 + $216,400
$401,000
2015
$5,322 (+2.8%)
$177,100 + $180,400
$357,500
2014
$5,179 (+3.9%)
2013
$4,983 (+0.6%)
2012
$4,952 (+3.9%)
2011
$4,766 (+4.5%)
2010
$4,561 (+45.7%)
2009
$3,131
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-20
Residential Single District
The R-20 District is established to permit single-family detached dwelling units at approximately 2 units per acre. The District reflects the established single-family neighborhood characteristics of many of the stable residential areas of the county.
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 Construction Quality: Average
Exterior Wall: Frame
Building Type: Single Family
Property Information
Subdivision Name: KNOLL WOODS
Living Sq. Ft: 2,016
Building Sq. Ft: 2,016
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: LOT 2 26,223 SQ' 4376 COLUMBIA RD KNOLL WOODS
Lot Information
# of Buildings: 1
Land Sq. Ft: 26,223
Legal Lot Number: 2
Acres: 0.602
Zoning Code: R20
State Use Description: RESIDENTIAL
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.: 2,016
Stories: 2.0
Lot Size: 0.6 acres
Style: Single Family Residential
Year Built: 1992
Year Renovated: —
County: Howard County
APN: 02 363399
Home facts updated by county records on Sep 4, 2026
Around this home
Schools
Northfield Elementary School
Public K-5 • Assigned • 0.3mi
8/10
Dunloggin Middle School
Public 6-8 • Assigned • 0.3mi
8/10
Centennial High School
Public 9-12 • Assigned • 2.2mi
9/10
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
6/10 Heat Factor
7 days above 103° expected this year, 15 days in 30 years
4/10 Wind Factor
16% chance of strong winds in next 30 years
3/10 Air Factor
2 unhealthy days expected this year, 4 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
70
80
61
77
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 4.4 hours in December, placing it below the
U.S. average for solar exposure.
9.2 hrs
4.4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$623,000 – $755,000
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