21090, Linthicum Heights, MD Housing Market

ZIP code 21090's median home value is $442K, up 5.5% over the past year. Homes here sell in a median 30 days. Its PropertyIQ Score of 41 sits modestly below the state average of 50.

PropertyIQ provides ZIP-code-level market intelligence for 21090, Linthicum Heights, 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 21090, 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 21090's PropertyIQ Score of 41 runs below the South Atlantic norm.

The PropertyIQ Score for 21090, Linthicum Heights, 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 21090, Linthicum Heights, 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.