21657 Housing Market

$452,786

2.1% 1-yr

The average 21657 home value is $452,786, up 2.1% over the past year.

What is the Zillow Home Values Index?

Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.

Learn more about the Zillow Home Value Index

21657 Key Takeaways

Typical Home Values: $452,786

1-year Value Change: +2.1%

(Data through December 31, 2025)

21657 Housing Market Overview

0.2%1-year Market Forecast(January 31, 2026)

--For sale inventory(January 31, 2026)

--New listings(January 31, 2026)

--Median sale to list ratio

--Median sale price(November 30, 2025)

--Median list price(January 31, 2026)

--Percent of sales over list price

--Percent of sales under list price

--Median days to pending

(Metric availability is based on market coverage and data)

How does this data help me?
Zillow's metrics provide valuable market data by tracking market changes in different locations and housing types.

Nearby Zip Codes

NameMedian ZHVI
21641--
21684--
21687--
21685--
21683--
21682--
21660$357,890
21681--
21686--

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21657 Rental Market Trends

--Average rent in 21657

$1,895National average rent(January 31, 2026)

--Month-over-month change

--Year-over-year change

How does this data help me?
The Zillow Observed Rent Index (ZORI) measures changes in asking rents over time, controlling for changes in the quality of the available rental inventory.