21 Viaduct Ave
Downingtown, PA 19335
3 bd 1 ba 1,048 sqft Built 1920 Lot 1,467 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 |
|---|---|---|---|---|
| 2026 | $45,960 | $23,510 | $69,470 | $3,176 |
| 2024 | $45,960 | $23,510 | $69,470 | $2,901 |
| 2023 | $45,960 | $23,510 | $69,470 | $2,831 |
| 2022 | $45,960 | $23,510 | $69,470 | $2,773 |
| 2021 | $45,960 | $23,510 | $69,470 | $2,735 |
| 2020 | $45,960 | $23,510 | $69,470 | $2,723 |
| 2019 | $45,960 | $23,510 | $69,470 | $2,723 |
| 2018 | $45,960 | $23,510 | $69,470 | $2,723 |
| 2017 | $45,960 | $23,510 | $69,470 | $2,723 |
| 2016 | $45,960 | $23,510 | $69,470 | $2,646 |
| 2015 | $45,960 | $23,510 | $69,470 | $2,708 |
| 2014 | $45,960 | $23,510 | $69,470 | $2,708 |
| 2013 | $45,960 | $23,510 | $69,470 | $2,708 |
| 2012 | $45,960 | $23,510 | $69,470 | $2,629 |
| 2011 | $45,960 | $23,510 | $69,470 | $2,597 |
| 2009 | $45,960 | $23,510 | $69,470 | $2,436 |
| 2008 | $45,960 | $23,510 | $69,470 | $2,393 |
Property facts
Year built
1920
Property type
townhomes
Stories
2
Beds
3
Baths
1
Living area
1,048 sqft
Lot size
1,467 sqft
ZIP code
19335
City
Downingtown
Street
Viaduct Ave
Coordinates
40.00323, -75.70772
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Viaduct Ave last sell?
No public-record sale is on file for 21 Viaduct Ave.
What is the current tax assessment for 21 Viaduct Ave?
The most recent total assessment for 21 Viaduct Ave (year 2026) is $69,470 with $3,176 in property tax.
When was 21 Viaduct Ave built?
21 Viaduct Ave was built in 1920.
How does 21 Viaduct Ave compare to others on Viaduct Ave?
We track 8 other properties on Viaduct Ave. Browse the list under "Other properties on Viaduct Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Viaduct Ave?
21 Viaduct Ave is a 3 bed, 1 bath, 1,048 sqft, 1,467 sqft lot townhomes.
Is 21 Viaduct Ave a flip candidate?
No — 21 Viaduct Ave does not appear in our flips dataset.
Is 21 Viaduct Ave a tax-appeal candidate?
No — 21 Viaduct Ave 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
$427.2K
2026 Q4
$416.1K
ZIP 19335 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Viaduct Ave