6621 Union Mill Rd
Clifton, VA 20124
7 bd 9 ba 6,402 sqft Built 2022 single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,996,700 | $568,000 | $2,564,700 | $29,647 |
| 2024 | $1,996,700 | $568,000 | $2,564,700 | $29,038 |
| 2023 | $1,744,500 | $568,000 | $2,312,500 | $26,096 |
| 2022 | $362,800 | $516,000 | $878,800 | $10,049 |
| 2021 | — | $149,000 | $149,000 | $1,748 |
| 2020 | — | $512,000 | $512,000 | $6,059 |
Property facts
Year built
2022
Property type
single_family
Stories
2
Beds
7
Baths
9
Living area
6,402 sqft
Lot size
—
ZIP code
20124
City
Clifton
Street
Union Mill Rd
Coordinates
38.80967, -77.41766
Comparable properties nearby
Frequently asked questions
When did 6621 Union Mill Rd last sell?
No public-record sale is on file for 6621 Union Mill Rd.
What is the current tax assessment for 6621 Union Mill Rd?
The most recent total assessment for 6621 Union Mill Rd (year 2025) is $2,564,700 with $29,647 in property tax.
When was 6621 Union Mill Rd built?
6621 Union Mill Rd was built in 2022.
How does 6621 Union Mill Rd compare to others on Union Mill Rd?
We track 6 other properties on Union Mill Rd. Browse the list under "Other properties on Union Mill Rd" to compare beds, baths, and sale history.
What are the property facts for 6621 Union Mill Rd?
6621 Union Mill Rd is a 7 bed, 9 bath, 6,402 sqft single_family.
Is 6621 Union Mill Rd a flip candidate?
No — 6621 Union Mill Rd does not appear in our flips dataset.
Is 6621 Union Mill Rd a tax-appeal candidate?
No — 6621 Union Mill Rd is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.6%
Implied 1-yr
-2.5%
2026 Q3
$964.7K
2026 Q4
$958.3K
ZIP 20124 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Mill Rd