Real Estate Data API

21530 Flintstone

10 active listings out of 843 total properties we track in ZIP 21530 (Flintstone, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
10
Median
$228K
±0%
Sales (12mo)
18
Tracked
843
Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21530. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
843
Active
10
Median list
$228K
Sales (12mo)
18
Get this data →
Key Numbers
Tracked
843
Active
10
Median list
$228K
Sales (12mo)
18
Get this data →
Key Numbers
Tracked
843
Active
10
Median list
$228K
Sales (12mo)
18
Get this data →
Key Numbers
Tracked
843
Active
10
Median list
$228K
Sales (12mo)
18
Get this data →
Key Numbers
Tracked
843
Active
10
Median list
$228K
Sales (12mo)
18

Inventory breakdown

Distribution of the 10 currently-active listings in ZIP 21530. Full dataset covers 843 properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 8 (80%)
$300K–$500K 1 (10%)
$500K–$750K 0 (0%)
$750K–$1M 0 (0%)
$1M–$2M 1 (10%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 1
2 bd 4
3 bd 2
4 bd 2
5+ bd 1
Active by property type
Single Family 10 (100%)
For Developers

Get Flintstone 21530 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/21530
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "21530",
  "total_tracked": 843,
  "active": 10,
  "median_list": 227500
}
Get an API key Read the docs

ZIP 21530 · Flintstone, MD real estate: market summary

As of June 2026, Straply tracks 843 homes in ZIP 21530 (Flintstone, MD), with 10 active for sale at a median list price of $227,500 (~$153/sq ft). Notably, it has notably historic housing — 20% of homes predate 1940.

Median list price
$227,500
Median $/sq ft
$153
Active listings
10
Properties tracked
843

Frequently asked: ZIP 21530 · Flintstone, MD real estate

What is the median home price in ZIP 21530?

The median list price in ZIP 21530 (Flintstone, MD) is $227,500 (about $153 per square foot), based on 10 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 21530?

Active listings in ZIP 21530 (Flintstone, MD) concentrate in: 80% under $300k and 10% $300k–$500k.

How many homes are for sale in ZIP 21530?

Straply is tracking 10 active listings in ZIP 21530 (Flintstone, MD) out of 843 properties on record as of June 2026.

How old are the homes in ZIP 21530?

Most homes in ZIP 21530 (Flintstone, MD) were built in the 1960s. About 43% were built after 1980, while 20% predate 1940. The newest tracked home dates to 2025.

What types of homes are in ZIP 21530?

ZIP 21530 (Flintstone, MD) is mostly single-family homes (100% of listings).

How many bedrooms do homes in ZIP 21530 typically have?

The most common size in ZIP 21530 (Flintstone, MD) is 2 bd.

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