Real Estate Data API

20851 Rockville

29 active listings out of 3.8K total properties we track in ZIP 20851 (Rockville, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
29
Median
$560K
-16.6%
Sold Sep
11
-8.3%
Tracked
3.8K

Download Rockville 20851 property data

3,811 property records for ZIP 20851 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Download free · as of Oct 2026

Monthly snapshot · 517 KB Parquet · CSV (692 KB)

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Zoomed out

While you're here, take in the bigger picture — maps below show Washington, D.C. metro, not just 20851. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 20851 has recorded 133 home sales. In September 2026 there were11 sales (-8.3% vs the prior month). Most recent median sale price: $490K.

Key Numbers
Tracked
3.8K
Active
29
Median list
$560K
Sales (12mo)
133
Get this data →

Right now, 29 homes are actively for sale in ZIP 20851. Median list price is $560K at $362/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
3.8K
Active
29
Median list
$560K
Sales (12mo)
133
Get this data →
Key Numbers
Tracked
3.8K
Active
29
Median list
$560K
Sales (12mo)
133
Get this data →
Key Numbers
Tracked
3.8K
Active
29
Median list
$560K
Sales (12mo)
133
Get this data →
Key Numbers
Tracked
3.8K
Active
29
Median list
$560K
Sales (12mo)
133
Get this data →
Key Numbers
Tracked
3.8K
Active
29
Median list
$560K
Sales (12mo)
133

Inventory breakdown

Distribution of the 29 currently-active listings in ZIP 20851. Full dataset covers 3.8K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 8 (30.8%)
$500K–$750K 14 (53.8%)
$750K–$1M 3 (11.5%)
$1M–$2M 1 (3.8%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 0
3 bd 10
4 bd 12
5+ bd 4
Active by property type
Single Family 27 (93.1%)
Townhouse 2 (6.9%)
For Developers

Get Rockville 20851 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/20851
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "20851",
  "total_tracked": 3817,
  "active": 29,
  "median_list": 559950
}

ZIP 20851 · Rockville, MD real estate: market summary

As of November 2026, Straply tracks 3,817 homes in ZIP 20851 (Rockville, MD), with 29 active for sale at a median list price of $559,950 (~$362/sq ft). Notably, the market is cooling — the median sale price is down 17% year over year.

Median list price
$559,950
Median $/sq ft
$362
Active listings
29
Median sale price
$490,000 (-17% YoY)
Properties tracked
3,817

Frequently asked: ZIP 20851 · Rockville, MD real estate

What is the median home price in ZIP 20851?

The median list price in ZIP 20851 (Rockville, MD) is $559,950 (about $362 per square foot), based on 29 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 20851?

Active listings in ZIP 20851 (Rockville, MD) concentrate in: 54% $500k–$750k and 31% $300k–$500k.

Are home prices in ZIP 20851 going up or down?

The median sale price is $490,000, down 17% year over year. Straply tracked 133 sales here over the past 12 months.

How many homes are for sale in ZIP 20851?

Straply is tracking 29 active listings in ZIP 20851 (Rockville, MD) out of 3,817 properties on record as of November 2026.

How old are the homes in ZIP 20851?

Most homes in ZIP 20851 (Rockville, MD) were built in the 1950s. About 5% were built after 1980. The newest tracked home dates to 2024.

What types of homes are in ZIP 20851?

ZIP 20851 (Rockville, MD) is mostly single-family homes (93% of listings). Also common: townhouses 7%.

How many bedrooms do homes in ZIP 20851 typically have?

The most common size in ZIP 20851 (Rockville, MD) is 4 bd.

What areas are near ZIP 20851?

Nearby markets Straply also tracks include Rockville 20853, Rockville 20852, Silver Spring 20906, Rockville 20850.

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