12911 Alton Sq
Herndon, VA 20170
2 bd 1 ba 990 sqft Built 1995 condo_townhome_rowhome_coop
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 | $216,550 | $54,000 | $270,550 | $3,858 |
| 2024 | $216,550 | $54,000 | $270,550 | $3,586 |
| 2023 | $192,810 | $48,000 | $240,810 | $3,343 |
| 2022 | $182,180 | $45,000 | $227,180 | $3,199 |
| 2021 | $182,180 | $45,000 | $227,180 | $2,665 |
| 2020 | $174,440 | $44,000 | $218,440 | $2,585 |
| 2019 | $162,440 | $40,000 | $202,440 | $2,395 |
| 2018 | $160,830 | $40,000 | $200,830 | $2,309 |
| 2017 | $154,110 | $39,000 | $193,110 | $2,242 |
| 2016 | $161,570 | $40,000 | $201,570 | $2,335 |
| 2015 | $161,570 | $40,000 | $201,570 | $2,249 |
| 2014 | $161,570 | $40,000 | $201,570 | $2,244 |
| 2013 | $161,570 | $40,000 | $201,570 | $2,229 |
| 2012 | $149,600 | $37,000 | $186,600 | $2,045 |
| 2011 | $141,710 | $36,000 | $177,710 | $1,929 |
| 2009 | $149,990 | $37,000 | $186,990 | $1,946 |
| 2008 | $186,740 | $47,000 | $233,740 | $2,152 |
| 2007 | $202,470 | $51,000 | $253,470 | $2,258 |
Property facts
Year built
1995
Property type
condo_townhome_rowhome_coop
Stories
1
Beds
2
Baths
1
Living area
990 sqft
Lot size
—
ZIP code
20170
City
Herndon
Street
Alton Sq
Coordinates
38.95614, -77.39271
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 12911 Alton Sq last sell?
No public-record sale is on file for 12911 Alton Sq.
What is the current tax assessment for 12911 Alton Sq?
The most recent total assessment for 12911 Alton Sq (year 2025) is $270,550 with $3,858 in property tax.
When was 12911 Alton Sq built?
12911 Alton Sq was built in 1995.
How does 12911 Alton Sq compare to others on Alton Sq?
We track 8 other properties on Alton Sq. Browse the list under "Other properties on Alton Sq" to compare beds, baths, and sale history.
What are the property facts for 12911 Alton Sq?
12911 Alton Sq is a 2 bed, 1 bath, 990 sqft condo_townhome_rowhome_coop.
Is 12911 Alton Sq a flip candidate?
No — 12911 Alton Sq does not appear in our flips dataset.
Is 12911 Alton Sq a tax-appeal candidate?
No — 12911 Alton 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
-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 Alton Sq