21104, Marriottsville, MD Housing Market

ZIP code 21104's median home value is $730K, up 2.8% over the past year. Homes here sell in a median 19 days. Its PropertyIQ Score of 38 sits below the state average of 50, marking a market positioned to lag its state over the next three years.

Understanding the housing market in ZIP code 21104 requires hyperlocal data that metro and county analyses simply cannot provide. PropertyIQ's demand signal scoring — validated across more than two decades of housing data (2001–2023) — extends to ZIP-code granularity for 21104, Marriottsville, MD, giving investors and agents a competitive edge in MD's most specific market segments.

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 21104's PropertyIQ Score of 38 runs below the South Atlantic norm.

For 21104, Marriottsville, MD, PropertyIQ updates a hyperlocal score each month from four signals: twelve-month and three-month Zillow home-value momentum, Realtor.com median days on market, and the Realtor.com share of price-reduced listings. The score is computed across all ZIP codes nationally and calibrated so 50 equals the state average, so a value above 50 means this ZIP's demand dynamics read stronger than its state. ZIP-level analysis captures neighborhood variation that county and metro scores smooth over.

Use PropertyIQ's analytics tools to evaluate 21104, Marriottsville, MD alongside other ZIP codes and investment opportunities. The interactive map, ZIP-level rankings, and AI-generated reports provide the hyperlocal market intelligence that separates informed decisions from guesswork.