21770 Monrovia
55 active listings out of 3.3K total properties we track in ZIP 21770 (Monrovia, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Monrovia 21770 property data
3,300 property records for ZIP 21770 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 370 KB Parquet · CSV (608 KB)
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 21770. Same company, same dataset, different resolution.
- Tracked
- 3.3K
- Active
- 55
- Median list
- $818K
- Sales (12mo)
- 76
- Tracked
- 3.3K
- Active
- 55
- Median list
- $818K
- Sales (12mo)
- 76
- Tracked
- 3.3K
- Active
- 55
- Median list
- $818K
- Sales (12mo)
- 76
- Tracked
- 3.3K
- Active
- 55
- Median list
- $818K
- Sales (12mo)
- 76
- Tracked
- 3.3K
- Active
- 55
- Median list
- $818K
- Sales (12mo)
- 76
Inventory breakdown
Distribution of the 55 currently-active listings in ZIP 21770. Full dataset covers 3.3K properties — listings, off-market homes, rentals, and full history.
Get Monrovia 21770 data in your app
GET https://api.straply.com/v1/markets/zip/21770
Authorization: Bearer $STRAPLY_KEY{
"zip": "21770",
"total_tracked": 3307,
"active": 55,
"median_list": 818176
}Nearby ZIP codes
Other Maryland ZIPs within a short drive of 21770.
ZIP 21770 · Monrovia, MD real estate: market summary
As of November 2026, Straply tracks 3,307 homes in ZIP 21770 (Monrovia, MD), with 55 active for sale at a median list price of $818,176 (~$242/sq ft). Notably, home prices are climbing — the median sale price is up 44% year over year.
- Median list price
- $818,176
- Median $/sq ft
- $242
- Active listings
- 55
- Median sale price
- $875,000 (+44% YoY)
- Properties tracked
- 3,307
Frequently asked: ZIP 21770 · Monrovia, MD real estate
What is the median home price in ZIP 21770?
The median list price in ZIP 21770 (Monrovia, MD) is $818,176 (about $242 per square foot), based on 55 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 21770?
Active listings in ZIP 21770 (Monrovia, MD) concentrate in: 52% $750k–$1m and 33% $500k–$750k.
Are home prices in ZIP 21770 going up or down?
The median sale price is $875,000, up 44% year over year. Straply tracked 76 sales here over the past 12 months.
How many homes are for sale in ZIP 21770?
Straply is tracking 55 active listings in ZIP 21770 (Monrovia, MD) out of 3,307 properties on record as of November 2026.
How old are the homes in ZIP 21770?
Most homes in ZIP 21770 (Monrovia, MD) were built in the 2010s. About 71% were built after 1980. The newest tracked home dates to 2026.
What types of homes are in ZIP 21770?
ZIP 21770 (Monrovia, MD) is mostly single-family homes (82% of listings). Also common: townhouses 13%.
How many bedrooms do homes in ZIP 21770 typically have?
The most common size in ZIP 21770 (Monrovia, MD) is 5+ bd.
What areas are near ZIP 21770?
Nearby markets Straply also tracks include Ijamsville 21754, New Market 21774, Frederick 21704, Damascus 20872.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.