509 Fairfax Ln
Herndon, VA 20170
4 bd 3 ba 2,150 sqft Built 1991 Lot 16,887 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 | $327,840 | $328,000 | $655,840 | $9,352 |
| 2024 | $327,840 | $328,000 | $655,840 | $9,096 |
| 2023 | $306,050 | $298,000 | $604,050 | $8,387 |
| 2022 | $301,440 | $268,000 | $569,440 | $8,020 |
| 2021 | $285,980 | $243,000 | $528,980 | $6,207 |
| 2020 | $272,360 | $223,000 | $495,360 | $5,862 |
| 2019 | $255,830 | $223,000 | $478,830 | $5,666 |
| 2018 | $255,830 | $223,000 | $478,830 | $5,506 |
| 2017 | $220,080 | $223,000 | $443,080 | $5,144 |
| 2016 | $220,080 | $223,000 | $443,080 | $5,133 |
| 2015 | $238,720 | $237,000 | $475,720 | $5,309 |
| 2014 | $244,570 | $226,000 | $470,570 | $5,239 |
| 2013 | $217,570 | $198,000 | $415,570 | $4,596 |
| 2012 | $214,470 | $182,000 | $396,470 | $4,345 |
| 2011 | $202,550 | $165,000 | $367,550 | $3,991 |
| 2009 | $227,240 | $183,000 | $410,240 | $4,270 |
| 2008 | $267,340 | $201,000 | $468,340 | $4,313 |
| 2007 | $318,270 | $178,000 | $496,270 | $4,421 |
Property facts
Year built
1991
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,150 sqft
Lot size
16,887 sqft
ZIP code
20170
City
Herndon
Street
Fairfax Ln
Coordinates
38.96493, -77.38790
Comparable properties nearby
Frequently asked questions
When did 509 Fairfax Ln last sell?
No public-record sale is on file for 509 Fairfax Ln.
What is the current tax assessment for 509 Fairfax Ln?
The most recent total assessment for 509 Fairfax Ln (year 2025) is $655,840 with $9,352 in property tax.
When was 509 Fairfax Ln built?
509 Fairfax Ln was built in 1991.
How does 509 Fairfax Ln compare to others on Fairfax Ln?
We do not currently track other properties on Fairfax Ln.
What are the property facts for 509 Fairfax Ln?
509 Fairfax Ln is a 4 bed, 3 bath, 2,150 sqft, 16,887 sqft lot single_family.
Is 509 Fairfax Ln a flip candidate?
No — 509 Fairfax Ln does not appear in our flips dataset.
Is 509 Fairfax Ln a tax-appeal candidate?
No — 509 Fairfax Ln 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
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Geography