21012 Arnold
97 active listings out of 8.7K total properties we track in ZIP 21012 (Arnold, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21012. Same company, same dataset, different resolution.
- Tracked
- 8.7K
- Active
- 97
- Median list
- $650K
- Sales (12mo)
- 365
- Tracked
- 8.7K
- Active
- 97
- Median list
- $650K
- Sales (12mo)
- 365
- Tracked
- 8.7K
- Active
- 97
- Median list
- $650K
- Sales (12mo)
- 365
- Tracked
- 8.7K
- Active
- 97
- Median list
- $650K
- Sales (12mo)
- 365
- Tracked
- 8.7K
- Active
- 97
- Median list
- $650K
- Sales (12mo)
- 365
Inventory breakdown
Distribution of the 97 currently-active listings in ZIP 21012. Full dataset covers 8.7K properties — listings, off-market homes, rentals, and full history.
Get Arnold 21012 data in your app
GET https://api.straply.com/v1/markets/zip/21012
Authorization: Bearer $STRAPLY_KEY{
"zip": "21012",
"total_tracked": 8734,
"active": 97,
"median_list": 650000
}ZIP 21012 · Arnold, MD real estate: market summary
As of June 2026, Straply tracks 8,734 homes in ZIP 21012 (Arnold, MD), with 97 active for sale at a median list price of $650,000 (~$299/sq ft). Notably, the market is cooling — the median sale price is down 34% year over year.
- Median list price
- $650,000
- Median $/sq ft
- $299
- Active listings
- 97
- Median sale price
- $393,999 (-34% YoY)
- Properties tracked
- 8,734
Frequently asked: ZIP 21012 · Arnold, MD real estate
What is the median home price in ZIP 21012?
The median list price in ZIP 21012 (Arnold, MD) is $650,000 (about $299 per square foot), based on 97 active listings tracked by Straply as of June 2026.
What price range are homes in ZIP 21012?
Active listings in ZIP 21012 (Arnold, MD) concentrate in: 36% $500k–$750k and 22% $300k–$500k.
Are home prices in ZIP 21012 going up or down?
The median sale price is $393,999, down 34% year over year. Straply tracked 365 sales here over the past 12 months.
How many homes are for sale in ZIP 21012?
Straply is tracking 97 active listings in ZIP 21012 (Arnold, MD) out of 8,734 properties on record as of June 2026.
How old are the homes in ZIP 21012?
Most homes in ZIP 21012 (Arnold, MD) were built in the 1980s. About 54% were built after 1980, while 3% predate 1940. The newest tracked home dates to 2026.
What types of homes are in ZIP 21012?
ZIP 21012 (Arnold, MD) is mostly single-family homes (65% of listings). Also common: townhouses 25%, condos 7%.
How many bedrooms do homes in ZIP 21012 typically have?
The most common size in ZIP 21012 (Arnold, MD) is 4 bd.
Data as of June 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.