21437 Humbolt Sq
Ashburn, VA 20147
4 bd 3 ba 2,136 sqft Built 2002 Lot 3,485 sqft townhomes
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 | $520,350 | $198,500 | $718,850 | $5,786 |
| 2023 | $473,550 | $188,500 | $662,050 | $5,792 |
| 2022 | $418,320 | $173,500 | $591,820 | $5,267 |
| 2021 | $379,000 | $158,500 | $537,500 | $5,267 |
| 2020 | $345,680 | $143,500 | $489,180 | $5,063 |
| 2019 | $303,860 | $143,500 | $447,360 | $4,674 |
| 2018 | $301,900 | $128,500 | $430,400 | $4,669 |
| 2017 | $287,110 | $128,500 | $415,610 | $4,675 |
| 2016 | $293,030 | $128,500 | $421,530 | $4,826 |
| 2015 | $274,270 | $128,500 | $402,770 | $4,571 |
| 2014 | $279,820 | $128,500 | $408,320 | $4,716 |
| 2013 | $261,600 | $118,500 | $380,100 | $4,580 |
| 2012 | $257,600 | $115,000 | $372,600 | $4,601 |
| 2011 | $258,200 | $115,000 | $373,200 | $4,795 |
| 2009 | $267,500 | $115,000 | $382,500 | $4,749 |
| 2008 | $293,800 | $125,000 | $418,800 | $4,774 |
| 2007 | $355,400 | $100,000 | $455,400 | $4,371 |
Property facts
Year built
2002
Property type
townhomes
Stories
2
Beds
4
Baths
3
Living area
2,136 sqft
Lot size
3,485 sqft
ZIP code
20147
City
Ashburn
Street
Humbolt Sq
Coordinates
39.02331, -77.50487
Comparable properties nearby
Frequently asked questions
When did 21437 Humbolt Sq last sell?
No public-record sale is on file for 21437 Humbolt Sq.
What is the current tax assessment for 21437 Humbolt Sq?
The most recent total assessment for 21437 Humbolt Sq (year 2025) is $718,850 with $5,786 in property tax.
When was 21437 Humbolt Sq built?
21437 Humbolt Sq was built in 2002.
How does 21437 Humbolt Sq compare to others on Humbolt Sq?
We track 2 other properties on Humbolt Sq. Browse the list under "Other properties on Humbolt Sq" to compare beds, baths, and sale history.
What are the property facts for 21437 Humbolt Sq?
21437 Humbolt Sq is a 4 bed, 3 bath, 2,136 sqft, 3,485 sqft lot townhomes.
Is 21437 Humbolt Sq a flip candidate?
No — 21437 Humbolt Sq does not appear in our flips dataset.
Is 21437 Humbolt Sq a tax-appeal candidate?
No — 21437 Humbolt Sq 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
Explore nearby
Geography
Other properties on Humbolt Sq