421 Twin Arch Rd
Mount Airy, MD 21771
4 bd 3 ba 2,912 sqft Built 1990 Lot 285,318 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 | $398,600 | $231,600 | $630,200 | $8,960 |
| 2024 | $398,600 | $231,600 | $630,200 | $8,577 |
| 2022 | $299,000 | $231,600 | $530,600 | $7,659 |
| 2019 | $284,900 | $226,600 | $511,500 | $7,400 |
| 2018 | $284,900 | $226,600 | $511,500 | $7,019 |
| 2017 | $284,900 | $226,600 | $511,500 | $6,693 |
| 2016 | $274,900 | $246,600 | $521,500 | $6,445 |
| 2015 | $274,900 | $246,600 | $521,500 | $6,265 |
| 2013 | $180,800 | $246,600 | $427,400 | $5,802 |
Property facts
Year built
1990
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
2,912 sqft
Lot size
285,318 sqft
ZIP code
21771
City
Mount Airy
Street
Twin Arch Rd
Coordinates
39.35997, -77.13264
Comparable properties nearby
Frequently asked questions
When did 421 Twin Arch Rd last sell?
No public-record sale is on file for 421 Twin Arch Rd.
What is the current tax assessment for 421 Twin Arch Rd?
The most recent total assessment for 421 Twin Arch Rd (year 2025) is $630,200 with $8,960 in property tax.
When was 421 Twin Arch Rd built?
421 Twin Arch Rd was built in 1990.
How does 421 Twin Arch Rd compare to others on Twin Arch Rd?
We track 8 other properties on Twin Arch Rd. Browse the list under "Other properties on Twin Arch Rd" to compare beds, baths, and sale history.
What are the property facts for 421 Twin Arch Rd?
421 Twin Arch Rd is a 4 bed, 3 bath, 2,912 sqft, 285,318 sqft lot single_family.
Is 421 Twin Arch Rd a flip candidate?
No — 421 Twin Arch Rd does not appear in our flips dataset.
Is 421 Twin Arch Rd a tax-appeal candidate?
No — 421 Twin Arch Rd is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.3%
Implied 1-yr
+1.2%
2026 Q2
$642.4K
2026 Q3
$644.2K
ZIP 21771 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Twin Arch Rd