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21042, Ellicott City, MD Housing Market

Hyperlocal market intelligence for ZIP code 21042 in MD. Located in Howard County, MD. Part of the Baltimore, MD metro area.

PropertyIQ Score

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21042, Ellicott City, MD market data

PropertyIQ Score 51F
Median Price
$816K
Rent (ZORI)
$3K
Median DOM
16 days
YoY
+2.8%
What drives the score
Home value YoY: +2.8%3-mo momentum: +0.9%Days on market: 16 daysPrice-reduced share: +8.1%
Data through Jun 2026 · Source: Zillow, Realtor.com

21042, Ellicott City, MD Housing Market Overview

ZIP code 21042's median home value is $816K, up 2.8% over the past year. Homes here sell in a median 16 days. Its PropertyIQ Score of 51 sits right around the state average of 50.

PropertyIQ provides ZIP-code-level market intelligence for 21042, Ellicott City, MD — going deeper than metro or county averages to reveal neighborhood-specific demand dynamics. By tracking Zillow home-value momentum alongside Realtor.com market-flow signals — median days on market and the share of listings with price cuts — specifically within ZIP code 21042, PropertyIQ predicts which micro-markets within MD are positioned to outperform.

South Atlantic ZIP codes benefit from sustained migration inflows, but hyperlocal performance varies widely between neighborhoods. PropertyIQ's ZIP-level scoring helps distinguish between ZIP codes riding a temporary wave and those with durable, block-by-block demand fundamentals. Within the South Atlantic, ZIP code 21042's PropertyIQ Score of 51 tracks near the South Atlantic norm.

The PropertyIQ Score for 21042, Ellicott City, MD is built from four inputs measured at the ZIP-code level: Zillow home-value momentum over twelve months, Zillow home-value momentum over three months, the median days listings spend on the market (Realtor.com), and the share of listings with a price cut (Realtor.com). The score runs on a 1 to 99 scale computed across all ZIP codes nationally and calibrated so 50 equals the state average, so a score above 50 points to a micro-market positioned to outperform its state.

View 21042, Ellicott City, MD's PropertyIQ Score and compare it against other ZIP codes in the state. Generate a free AI market report for this ZIP code or explore historical trends on the interactive map to understand how this micro-market has evolved.

21042, Ellicott City, MD is located in Howard County, MD.

This ZIP code is part of the Baltimore, MD metro area.

Market data through June 2026. Sourced from Zillow, Realtor.com, Redfin, U.S. Census Bureau, FRED, BLS, and BEA. Per-statistic source and date shown above.