11909 Gainsborough Rd is a 2,835 square foot house on a 10,776 square foot lot with 2.5 bathrooms. Based on Redfin's Potomac data, we estimate the home's value is $1,047,995.
Single-familyProperty Type
1966Year Built
10,776 sq ftLot Size
$370Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,047,995
$54K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.7% higher than the average sale price ($1.01M) 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*
2025
$10,074 (+11.2%)
$399,200 + $574,000
$973,200
2024
$9,057 (+10.6%)
2023
$8,190 (+4.7%)
2022
$7,821 (+0.7%)
$380,300 + $354,200
$734,500
2021
$7,764 (−1.2%)
$380,300 + $354,200
$734,500
2020
$7,855 (+2.9%)
$380,300 + $354,200
$734,500
2019
$7,637 (+2.6%)
$380,300 + $364,500
$744,800
2018
$7,442 (+0.8%)
2017
$7,380 (+12.3%)
$362,200 + $327,900
$690,100
2012
$6,573 (+5.0%)
2011
$6,261
2010
$6,261 (+34.8%)
2009
$4,646
Tax history for 11909 Gainsborough Rd
Year
Property tax
Land + Additions
Assessment*
2025
$10,074 (+11.2%)
$399,200 + $574,000
$973,200
2024
$9,057 (+10.6%)
2023
$8,190 (+4.7%)
2022
$7,821 (+0.7%)
$380,300 + $354,200
$734,500
2021
$7,764 (−1.2%)
$380,300 + $354,200
$734,500
2020
$7,855 (+2.9%)
$380,300 + $354,200
$734,500
2019
$7,637 (+2.6%)
$380,300 + $364,500
$744,800
2018
$7,442 (+0.8%)
2017
$7,380 (+12.3%)
$362,200 + $327,900
$690,100
2012
$6,573 (+5.0%)
2011
$6,261
2010
$6,261 (+34.8%)
2009
$4,646
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-90
Residential - 90 Zone
The intent of the R-90 zone is to provide designated areas of the County for moderate density residential uses. The predominant use is residential in a detached house. A limited number of other building types may be allowed under the optional method of development.
Home facts updated by county records on Jul 18, 2026
Around this home
Schools
Beverly Farms Elementary School
Public K-5 • Assigned • 1.0mi
10/10
Herbert Hoover Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Winston Churchill High School
Public 9-12 • Assigned • 1.0mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Potomac, MD, is known for its affluent neighborhoods, large estate homes, country clubs and scenic natural beauty, including Great Falls Park and the C&O Canal. It offers a blend of suburban tranquility and upscale amenities, making it a sought-after...