4121 Round Hill Rd is a 1,604 square foot house on a 0.36 acre lot with 5 bedrooms and 3.5 bathrooms. - it last sold on June 25, 1980 for $260,000. Based on Redfin's Arlington data, we estimate the home's value is $1,464,797.
Single-familyProperty Type
1974Year Built
0.36 acresLot Size
$913Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,464,797
$1.2M since sold in June 1980$77K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.7% lower than the average sale price ($1.52M) 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.
Permits
Aug 28, 2025 • Final
Residential alteration
Remodel
Aug 28, 2025 • Final
Plumbing
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: 510
Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 3
Has Fireplace
Exterior
Exterior Information
Physical Condition: Average
Construction Type: Wood/Brick
Exterior Wall: Brick Veneer
Roof Shape Type: Shake
Property Information
Subdivision Name: CHAIN BRIDGE FOREST
Living Sq. Ft: 1,604
Building Sq. Ft: 3,928
# of Stories: 1
Stories Type: 1
Legal Description: LOT 23 SEC 6 CHAIN BRIDGE FOREST 15525 SQ FT
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 720
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,525
Legal Lot Number: 23
Legal Block Number: 3
Acres: 0.3564
Zoning Code: R-10
County Use Description: 1 FAMILY DETACHED
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.5
Sq. Ft.: 1,604
Stories: 1.0
Lot Size: 0.36 acres
Style: Single Family Residential
Year Built: 1974
Year Renovated: 1974
County: Arlington County
APN: 03003130
Home facts updated by county records on Jul 24, 2026
Around this home
Schools
Jamestown Elementary School
Public PreK-5 • Assigned • 1.1mi
10/10
Williamsburg Middle School
Public 6-8 • Assigned • 1.8mi
10/10
Yorktown High School
Public 9-12 • Assigned • 2.0mi
8/10
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 106° 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
3 unhealthy days expected this year, 5 days in 30 years
Provided by First Street
Historical weather
Arlington, VA • 22207
Average low and high temperatures (°F)
39
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63
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72
51
75
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87
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89
73
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66
78
62
70
50
59
43
46
32
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Feb
Mar
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May
Jun
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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
$1.39M – $1.69M
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