5621 Old Mill Rd is a 3,450 square foot house on a 0.7 acre lot with 4 bedrooms and 4.5 bathrooms. - it last sold on July 29, 1986 for $127,500. Based on Redfin's Alexandria data, we estimate the home's value is $1,458,062.
Single-familyProperty Type
2018Year Built
0.7 acresLot Size
$423Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,458,062
$1.3M since sold in July 1986$59K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 11.7% higher than the average sale price ($1.31M) 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 and permits
Zoning
Permits
R-2
Residential District, Two Dwelling Units/Acre
The R-2 District provides for single-family detached dwellings and affordable dwelling unit developments and allows other uses that are compatible with the low-density suburban character of the district.
Permitted uses
Include but are not limited to:
Housing-Group
Housing-Single unit
Public service
May 6, 2025 • Final
Residential solar
Install roof-mounted solar panels and micro-inverters with a battery backup system.
Battery
Electrical
Solar
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 Finish: Full
Basement Type: Full
Bathroom Information
# of Full Baths: 4
# of 1/2 Baths: 1
Heating & Cooling
Heating Fuel Type: Gas Public/Piped
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Construction Type: Cinder Block
Roof Covering Type: Composition Shingle
Building Type: Single Family
Property Information
Subdivision Name: WOODLAWN MANOR
Living Sq. Ft: 3,450
Adjusted Gross Sq. Ft: 3,450
Building Sq. Ft: 4,044
# of Stories: 2
Stories Type: 2
Legal Description: WOODLAWN MANOR LT 5 SEC 1
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 594
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 30,302
Legal Lot Number: 5
Municipality Name: MT VERNON
Acres: 0.6956
Zoning Code: R-2
County Use Description: RESID 1 FAM DETACHED
Utility Information
Electricity / Wiring Type: Connected
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax Area: MT VERNON
Public facts
Beds: 4
Baths: 4.5
Sq. Ft.: 3,450
Stories: 2.0
Lot Size: 0.7 acres
Style: Single Family Residential
Year Built: 2018
Year Renovated: —
County: Fairfax County
APN: 1101 05 0005
Home facts updated by county records on Jul 30, 2026
Around this home
Schools
Washington Mill Elementary School
Public PreK-6 • Assigned • 0.8mi
5/10
Whitman Middle School
Public 7-8 • Assigned • 3.3mi
4/10
Mount Vernon High School
Public 9-12 • Assigned • 1.9mi
2/10
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
7/10 Heat Factor
7 days above 104° expected this year, 16 days in 30 years
5/10 Wind Factor
22% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 2 days in 30 years
Provided by First Street
Historical weather
Alexandria, VA • 22309
Average low and high temperatures (°F)
41
25
46
30
64
42
72
50
75
57
86
66
90
72
82
65
79
62
70
48
60
41
47
31
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.4 hours in
June and 4.3 hours in December, placing it below the
U.S. average for solar exposure.
9.4 hrs
4.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.39M – $1.68M
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