309 Main St
Mount Airy, MD 21771
3 bd 1 ba 2,091 sqft Built 1900 Lot 21,780 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
No timeline data
No sale, listing, or tax history is recorded for this property.
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
No tax assessment data
No assessment history available for this parcel.
Property facts
Year built
1900
Property type
single_family
Stories
2
Beds
3
Baths
1
Living area
2,091 sqft
Lot size
21,780 sqft
ZIP code
21771
City
Mount Airy
Street
Main St
Coordinates
39.37516, -77.15588
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 309 Main St last sell?
No public-record sale is on file for 309 Main St.
What is the current tax assessment for 309 Main St?
No tax-assessment history is recorded for this parcel.
When was 309 Main St built?
309 Main St was built in 1900.
How does 309 Main St compare to others on Main St?
We track 8 other properties on Main St. Browse the list under "Other properties on Main St" to compare beds, baths, and sale history.
What are the property facts for 309 Main St?
309 Main St is a 3 bed, 1 bath, 2,091 sqft, 21,780 sqft lot single_family.
Is 309 Main St a flip candidate?
No — 309 Main St does not appear in our flips dataset.
Is 309 Main St a tax-appeal candidate?
No — 309 Main 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
+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 Main St