21455 Grey Slate Ct
Ashburn, VA 20147
5 bd 5 ba 4,998 sqft Built 2010 Lot 25,265 sqft 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 | $759,540 | $309,900 | $1,069,440 | $8,146 |
| 2023 | $724,690 | $282,400 | $1,007,090 | $8,309 |
| 2022 | $690,340 | $282,400 | $972,740 | $8,657 |
| 2021 | $602,680 | $216,200 | $818,880 | $8,025 |
| 2020 | $575,520 | $216,200 | $791,720 | $8,194 |
| 2019 | $549,330 | $216,200 | $765,530 | $7,999 |
| 2018 | $535,760 | $195,600 | $731,360 | $7,935 |
| 2017 | $519,590 | $195,600 | $715,190 | $8,045 |
| 2016 | $533,890 | $195,600 | $729,490 | $8,352 |
| 2015 | $507,890 | $195,600 | $703,490 | $7,984 |
| 2014 | $527,230 | $195,600 | $722,830 | $8,348 |
| 2013 | $459,150 | $200,800 | $659,950 | $7,952 |
| 2012 | $476,900 | $200,800 | $677,700 | $8,369 |
| 2011 | $396,200 | $200,800 | $597,000 | $7,671 |
| 2009 | — | $200,800 | $200,800 | $2,499 |
| 2008 | — | $200,800 | $200,800 | $2,289 |
| 2007 | — | $112,900 | $112,900 | $1,083 |
Property facts
Year built
2010
Property type
single_family
Stories
3
Beds
5
Baths
5
Living area
4,998 sqft
Lot size
25,265 sqft
ZIP code
20147
City
Ashburn
Street
Grey Slate Ct
Coordinates
39.02257, -77.49926
Comparable properties nearby
Frequently asked questions
When did 21455 Grey Slate Ct last sell?
No public-record sale is on file for 21455 Grey Slate Ct.
What is the current tax assessment for 21455 Grey Slate Ct?
The most recent total assessment for 21455 Grey Slate Ct (year 2025) is $1,069,440 with $8,146 in property tax.
When was 21455 Grey Slate Ct built?
21455 Grey Slate Ct was built in 2010.
How does 21455 Grey Slate Ct compare to others on Grey Slate Ct?
We track 1 other property on Grey Slate Ct. Browse the list under "Other properties on Grey Slate Ct" to compare beds, baths, and sale history.
What are the property facts for 21455 Grey Slate Ct?
21455 Grey Slate Ct is a 5 bed, 5 bath, 4,998 sqft, 25,265 sqft lot single_family.
Is 21455 Grey Slate Ct a flip candidate?
No — 21455 Grey Slate Ct does not appear in our flips dataset.
Is 21455 Grey Slate Ct a tax-appeal candidate?
No — 21455 Grey Slate Ct is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+2.2%
Implied 1-yr
+8.8%
2026 Q3
$878.2K
2026 Q4
$895.1K
ZIP 20147 — Median Price History + Forecast
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Geography
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