638 Oak St
Herndon, VA 20170
3 bd 3 ba 1,667 sqft Built 1948 Lot 10,522 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 | $339,490 | $256,000 | $595,490 | $8,491 |
| 2024 | $339,490 | $256,000 | $595,490 | $8,352 |
| 2023 | $302,570 | $256,000 | $558,570 | $7,755 |
| 2022 | $293,440 | $251,000 | $544,440 | $7,668 |
| 2021 | $213,580 | $255,000 | $468,580 | $5,498 |
| 2020 | $201,490 | $248,000 | $449,490 | $5,978 |
| 2019 | $197,540 | $246,000 | $443,540 | $2,849 |
| 2018 | $176,080 | $246,000 | $422,080 | $4,853 |
| 2017 | $156,110 | $246,000 | $402,110 | $3,468 |
| 2016 | $156,110 | $246,000 | $402,110 | $4,658 |
| 2015 | $223,010 | $246,000 | $469,010 | $5,234 |
| 2014 | $196,260 | $228,000 | $424,260 | $4,724 |
| 2013 | $190,540 | $209,000 | $399,540 | $4,418 |
| 2012 | $182,840 | $164,000 | $346,840 | $3,801 |
| 2011 | $203,160 | $182,000 | $385,160 | $4,182 |
| 2009 | $205,600 | $209,000 | $414,600 | $4,315 |
| 2008 | $255,930 | $256,000 | $511,930 | $4,714 |
| 2007 | $289,100 | $175,000 | $464,100 | $4,135 |
Property facts
Year built
1948
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
1,667 sqft
Lot size
10,522 sqft
ZIP code
20170
City
Herndon
Street
Oak St
Coordinates
38.96851, -77.38522
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 638 Oak St last sell?
No public-record sale is on file for 638 Oak St.
What is the current tax assessment for 638 Oak St?
The most recent total assessment for 638 Oak St (year 2025) is $595,490 with $8,491 in property tax.
When was 638 Oak St built?
638 Oak St was built in 1948.
How does 638 Oak St compare to others on Oak St?
We track 3 other properties on Oak St. Browse the list under "Other properties on Oak St" to compare beds, baths, and sale history.
What are the property facts for 638 Oak St?
638 Oak St is a 3 bed, 3 bath, 1,667 sqft, 10,522 sqft lot single_family.
Is 638 Oak St a flip candidate?
No — 638 Oak St does not appear in our flips dataset.
Is 638 Oak St a tax-appeal candidate?
No — 638 Oak St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-1.5%
Implied 1-yr
-5.8%
2026 Q3
$639.8K
2026 Q4
$629.5K
ZIP 20170 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Oak St