OFF MARKET
Google street view image for 6621 Union Mill Rd, Clifton, VA 20124
Off market nov 2022 for $2.4M
$2,665,036
Est. refi paymentEst. refi $16,314/mo
7
bd
•
9 ba
•
—
sq ft

6621 Union Mill Rd, Clifton, VA 20124

map-entry

About this home

6621 Union Mill Rd is a house on a 5.1 acre lot with 7 bedrooms and 9 bathrooms. - it last sold on November 01, 2022 for $2,464,833. Based on Redfin's Clifton data, we estimate the home's value is $2,665,036.
Single-familyProperty Type
2022Year Built
5.1 acresLot Size
Source:Public Records

Redfin Estimate

$2,665,036
$200K since sold in November 2022$227K since September

This home's estimate is 86.4% higher than the average sale price ($1.43M) of 6 comparable homes.

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Earn from this home

Sell
$684,978
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$5,144/mo
Redfin rental estimate

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Market trends in 20124, VA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price
99.6%

1.3% MoM

Median sale price
$1.1M

$0 MoM

Avg. days on market
49d

14 days MoM

Recently sold homes
39

16 MoM

New listings for sale

Provided by Redfin

Sale history for 6621 Union Mill Rd

Tax history for 6621 Union Mill Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

R-C

WSPO

Residential-Conservation District

The R-C District protects water courses, stream valleys, marshes, forest cover in watersheds, aquifer recharge areas, rare ecological areas, and areas of natural scenic vistas. The R-C District also minimizes impervious surface and protects the quality of water in public water supply watersheds by encouraging open areas for agriculture and large lot single-family subdivisions.
Zone overlays
  • Water Supply Protection Overlay District
Permitted uses

Include but are not limited to:

  • Agriculture-Other
  • Housing-Group
  • Housing-Single unit
  • Public service

Property details

Around this home

Schools

Union Mill Elementary School

Public PreK-6 • Assigned • 0.7mi

9/10
Liberty Middle School

Public 7-8 • Assigned • 0.3mi

7/10
Centreville High School

Public 9-12 • Assigned • 1.1mi

5/10
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 104° expected this year, 15 days in 30 years

4/10 Wind Factor

14% 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

Clifton, VA • 20124
Average low and high temperatures (°F)
40
24
45
28
64
41
71
50
74
56
85
65
89
71
82
64
80
61
70
47
59
40
45
28
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 4.2 hours in December, placing it below the U.S. average for solar exposure.

9.4 hrs
4.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$3.18M – $3.85M

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Nearby similar homes

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New listings for sale in 20124

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Home values near 6621 Union Mill Rd

Data from public records.
This data may not show owner updates. Learn more.

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