21771 Mount Airy
173 active listings out of 12K total properties we track in ZIP 21771 (Mount Airy, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Mount Airy 21771 property data
11,794 property records for ZIP 21771 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 1.5 MB Parquet · CSV (2.2 MB)
Records keep changing after a snapshot is compiled.
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While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21771. Same company, same dataset, different resolution.
- Tracked
- 12K
- Active
- 173
- Median list
- $700K
- Sales (12mo)
- 334
- Tracked
- 12K
- Active
- 173
- Median list
- $700K
- Sales (12mo)
- 334
- Tracked
- 12K
- Active
- 173
- Median list
- $700K
- Sales (12mo)
- 334
- Tracked
- 12K
- Active
- 173
- Median list
- $700K
- Sales (12mo)
- 334
- Tracked
- 12K
- Active
- 173
- Median list
- $700K
- Sales (12mo)
- 334
Inventory breakdown
Distribution of the 173 currently-active listings in ZIP 21771. Full dataset covers 12K properties — listings, off-market homes, rentals, and full history.
Get Mount Airy 21771 data in your app
GET https://api.straply.com/v1/markets/zip/21771
Authorization: Bearer $STRAPLY_KEY{
"zip": "21771",
"total_tracked": 11827,
"active": 173,
"median_list": 700000
}Nearby ZIP codes
Other Maryland ZIPs within a short drive of 21771.
ZIP 21771 · Mount Airy, MD real estate: market summary
As of November 2026, Straply tracks 11,827 homes in ZIP 21771 (Mount Airy, MD), with 173 active for sale at a median list price of $700,000 (~$258/sq ft). Notably, the market is cooling — the median sale price is down 15% year over year.
- Median list price
- $700,000
- Median $/sq ft
- $258
- Active listings
- 173
- Median sale price
- $595,000 (-15% YoY)
- Properties tracked
- 11,827
Frequently asked: ZIP 21771 · Mount Airy, MD real estate
What is the median home price in ZIP 21771?
The median list price in ZIP 21771 (Mount Airy, MD) is $700,000 (about $258 per square foot), based on 173 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 21771?
Active listings in ZIP 21771 (Mount Airy, MD) concentrate in: 32% $500k–$750k and 26% $750k–$1m.
Are home prices in ZIP 21771 going up or down?
The median sale price is $595,000, down 15% year over year. Straply tracked 334 sales here over the past 12 months.
How many homes are for sale in ZIP 21771?
Straply is tracking 173 active listings in ZIP 21771 (Mount Airy, MD) out of 11,827 properties on record as of November 2026.
How old are the homes in ZIP 21771?
Most homes in ZIP 21771 (Mount Airy, MD) were built in the 1990s. About 68% were built after 1980, while 6% predate 1940. The newest tracked home dates to 2026.
What types of homes are in ZIP 21771?
ZIP 21771 (Mount Airy, MD) is mostly single-family homes (86% of listings). Also common: lots / land 8%.
How many bedrooms do homes in ZIP 21771 typically have?
The most common size in ZIP 21771 (Mount Airy, MD) is 4 bd.
What areas are near ZIP 21771?
Nearby markets Straply also tracks include Woodbine 21797, Monrovia 21770, New Market 21774, Damascus 20872.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.