21012 Arnold
132 active listings out of 9.1K total properties we track in ZIP 21012 (Arnold, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Arnold 21012 property data
9,066 property records for ZIP 21012 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 1.2 MB Parquet · CSV (1.7 MB)
Records keep changing after a snapshot is compiled.
Rebuilt every day · same columns, same file layout
While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21012. Same company, same dataset, different resolution.
- Tracked
- 9.1K
- Active
- 132
- Median list
- $675K
- Sales (12mo)
- 320
- Tracked
- 9.1K
- Active
- 132
- Median list
- $675K
- Sales (12mo)
- 320
- Tracked
- 9.1K
- Active
- 132
- Median list
- $675K
- Sales (12mo)
- 320
- Tracked
- 9.1K
- Active
- 132
- Median list
- $675K
- Sales (12mo)
- 320
- Tracked
- 9.1K
- Active
- 132
- Median list
- $675K
- Sales (12mo)
- 320
Inventory breakdown
Distribution of the 132 currently-active listings in ZIP 21012. Full dataset covers 9.1K 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": 9091,
"active": 132,
"median_list": 675000
}Nearby ZIP codes
Other Maryland ZIPs within a short drive of 21012.
ZIP 21012 · Arnold, MD real estate: market summary
As of November 2026, Straply tracks 9,091 homes in ZIP 21012 (Arnold, MD), with 132 active for sale at a median list price of $675,000 (~$299/sq ft). Notably, the market is cooling — the median sale price is down 31% year over year.
- Median list price
- $675,000
- Median $/sq ft
- $299
- Active listings
- 132
- Median sale price
- $474,950 (-31% YoY)
- Properties tracked
- 9,091
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 $675,000 (about $299 per square foot), based on 132 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 21012?
Active listings in ZIP 21012 (Arnold, MD) concentrate in: 30% $500k–$750k and 22% $1m–$2m.
Are home prices in ZIP 21012 going up or down?
The median sale price is $474,950, down 31% year over year. Straply tracked 320 sales here over the past 12 months.
How many homes are for sale in ZIP 21012?
Straply is tracking 132 active listings in ZIP 21012 (Arnold, MD) out of 9,091 properties on record as of November 2026.
How old are the homes in ZIP 21012?
Most homes in ZIP 21012 (Arnold, MD) were built in the 1980s. About 55% were built after 1980. The newest tracked home dates to 2026.
What types of homes are in ZIP 21012?
ZIP 21012 (Arnold, MD) is mostly single-family homes (68% of listings). Also common: townhouses 20%, condos 8%.
How many bedrooms do homes in ZIP 21012 typically have?
The most common size in ZIP 21012 (Arnold, MD) is 4 bd.
What areas are near ZIP 21012?
Nearby markets Straply also tracks include Annapolis 21409, Annapolis 21405, Gibson Island 21056, Annapolis 21402.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.