Real Estate Data API

21770 Monrovia

34 active listings out of 3.1K total properties we track in ZIP 21770 (Monrovia, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
34
Median
$880K
±0%
Sales (12mo)
87
Tracked
3.1K
Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21770. Same company, same dataset, different resolution.

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Key Numbers
Tracked
3.1K
Active
34
Median list
$880K
Sales (12mo)
87
Get this data →
Key Numbers
Tracked
3.1K
Active
34
Median list
$880K
Sales (12mo)
87
Get this data →
Key Numbers
Tracked
3.1K
Active
34
Median list
$880K
Sales (12mo)
87
Get this data →
Key Numbers
Tracked
3.1K
Active
34
Median list
$880K
Sales (12mo)
87
Get this data →
Key Numbers
Tracked
3.1K
Active
34
Median list
$880K
Sales (12mo)
87

Inventory breakdown

Distribution of the 34 currently-active listings in ZIP 21770. Full dataset covers 3.1K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 3 (9.1%)
$500K–$750K 9 (27.3%)
$750K–$1M 13 (39.4%)
$1M–$2M 8 (24.2%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 0
3 bd 8
4 bd 12
5+ bd 13
Active by property type
Single Family 29 (85.3%)
Townhouse 5 (14.7%)
For Developers

Get Monrovia 21770 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/21770
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "21770",
  "total_tracked": 3098,
  "active": 34,
  "median_list": 879900
}
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ZIP 21770 · Monrovia, MD real estate: market summary

As of June 2026, Straply tracks 3,098 homes in ZIP 21770 (Monrovia, MD), with 34 active for sale at a median list price of $879,900 (~$250/sq ft). Notably, most homes were built in the 2010s.

Median list price
$879,900
Median $/sq ft
$250
Active listings
34
Properties tracked
3,098

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 $879,900 (about $250 per square foot), based on 34 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 21770?

Active listings in ZIP 21770 (Monrovia, MD) concentrate in: 39% $750k–$1m and 27% $500k–$750k.

How many homes are for sale in ZIP 21770?

Straply is tracking 34 active listings in ZIP 21770 (Monrovia, MD) out of 3,098 properties on record as of June 2026.

How old are the homes in ZIP 21770?

Most homes in ZIP 21770 (Monrovia, MD) were built in the 2010s. About 70% were built after 1980. The newest tracked home dates to 2025.

What types of homes are in ZIP 21770?

ZIP 21770 (Monrovia, MD) is mostly single-family homes (85% of listings). Also common: townhouses 15%.

How many bedrooms do homes in ZIP 21770 typically have?

The most common size in ZIP 21770 (Monrovia, MD) is 5+ bd.

Data as of June 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.