9510 Mellenbrook Rd is a 1,871 square foot house on a 0.49 acre lot with 2.5 bathrooms. - it last sold on May 11, 1998 for $180,000. Based on Redfin's Columbia data, we estimate the home's value is $587,879.
Single-familyProperty Type
1961Year Built
0.49 acresLot Size
$314Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$587,879
$408K since sold in May 1998$38K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.9% lower than the average sale price ($593K) 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
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
Basement Information
Basement Sq. Ft: 471
Basement Finish: Finished
Basement Type: Finished
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air
Fireplace Information
# of Fireplaces: 1
Fireplace Type: 1 Story Brick
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Average
Exterior Wall: Frame
Building Type: Single Family
Property Information
Subdivision Name: GUILFORD DOWNS
Living Sq. Ft: 1,871
Building Sq. Ft: 2,543
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: LOT 19 BL B S 2 9510 MELLENBROOK RD GUILFORD DOWNS
Parking & Garage Information
Parking Type: Attached Frame Garage
Garage/Parking Sq. Ft: 672
Garage / Carport Type: Attached Frame
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,518
Legal Lot Number: 19
Legal Block Number: B
Acres: 0.494
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: 06
Public facts
Beds: —
Baths: 2.5
Sq. Ft.: 1,871
Stories: 1.0
Lot Size: 0.49 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: —
County: Howard County
APN: 06 409784
Home facts updated by county records on Jul 17, 2026
Around this home
Schools
Thunder Hill Elementary School
Public K-5 • Assigned • 0.4mi
7/10
Oakland Mills Middle School
Public 6-8 • Assigned • 1.5mi
7/10
Oakland Mills High School
Public 9-12 • Assigned • 1.4mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The Columbia real estate market remains active, with homes selling in an average of 15 days and typically closing slightly above the asking price. While buyer demand remains strong, the median sales price has declined 19.1% from this time last year...