815 Walker Rd is a 10,104 square foot house on a 3.79 acre lot with 12 bedrooms and 14.5 bathrooms. - it last sold on August 27, 2021 for $1,100,000. Based on Redfin's Great Falls data, we estimate the home's value is $3,705,315.
Single-familyProperty Type
2025Year Built
3.79 acresLot Size
$367Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,705,315
$2.6M since sold in August 2021$86K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 30.1% lower than the average sale price ($5.30M) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R-1
Residential District, One Dwelling Unit/Acre
The R-1 District provides for single-family detached dwellings on large lots and allows other uses that are compatible with the low-density residential character of the district.
Permitted uses
Include but are not limited to:
Agriculture-Other
Housing-Group
Housing-Single unit
Public service
May 7, 2026 • Active
Commercial electrical
Install a new fire alarm system.
Electrical
Fire sprinkler
May 5, 2026 • Final
Building permit amendment
Plumbing
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Basement Information
Basement Sq. Ft: 171
Basement Finish: Full
Basement Type: Full
Bathroom Information
# of Full Baths: 13
# of 1/2 Baths: 3
Heating & Cooling
Heating Fuel Type: No Gas Public/Piped
Heating Type: Central
Fireplace Information
# of Fireplaces: 3
Has Fireplace
Exterior
Exterior Information
Building Type: Single Family
Property Information
Living Sq. Ft: 10,104
Adjusted Gross Sq. Ft: 9,933
Building Sq. Ft: 11,070
# of Stories: 2
Stories Type: 2
Legal Description: PROP OF STONECREST HOME INC LOT 1
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 966
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 164,937
Legal Lot Number: 1
Municipality Name: DRANESVILLE DIST. #1
Acres: 3.7864
Zoning Code: R-1
County Use Description: RESID 1 FAM DETACHED
Financial
Assessor Information
Assessment Year: 2026
Tax Area: DRANESVILLE DIST. #1
Public facts
Beds: 12
Baths: 14.5
Sq. Ft.: 10,104
Stories: 2.0
Lot Size: 3.79 acres
Style: Single Family Residential
Year Built: 2025
Year Renovated: —
County: Fairfax County
APN: 0131 01 0028D
Home facts updated by county records on Oct 22, 2026
Around this home
Schools
Great Falls Elementary School
Public PreK-6 • Assigned • 0.7mi
10/10
Cooper Middle School
Public 7-8 • Assigned • 5.8mi
10/10
Langley High School
Public 9-12 • Assigned • 7.1mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Historical weather
Great Falls, VA • 22066
Average low and high temperatures (°F)
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Sun exposure
In this area, properties receive around 9.3 hours in
June and 4.2 hours in December, placing it below the
U.S. average for solar exposure.
9.3 hrs
4.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$3.52M – $4.26M
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