21104
Marriottsville, Maryland.
Marriottsville, Carroll County, MD · Baltimore-Columbia-Towson, MD metro · population 6,052
to buy the typical home at today's mortgage rate — +$1,809 (+93%) since Jan 2020.
- 1 year
- Up $8,407 +1%
- $707,970$716,377 since Sep 2025
- 5 years
- Up $99,898 +16%
- $616,479$716,377 since Sep 2021
Monthly payment to buy the typical home
Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.
- 21104$3,760
- United States$1,922
At the last five years' pace, a typical home here doubles in price every 23 years.
Typical home values in zip 21104 rose 1.2% over the past year — in step with the nation.
This zip spans 3 counties: Howard County, MD 51% · Carroll County, MD 34% · Baltimore County, MD 15%
Zillow also publishes an index for the city itself: Marriottsville, MD — measured over the city limits, which is a different area from this zip.
Typical home value — 21104
Mid-tier homes, smoothed and seasonally adjusted.
- 21104$716,377
- Baltimore$396,959
- United States$366,157
Within 20 miles
Showing 30 of 84 zips in range — sorting picks from all 84.
| Miles sorted ascending, activate to sort descending | Zip activate to sort by Zip | City activate to sort by City | Population activate to sort by Population | Rent activate to sort by Rent | Home value activate to sort by Home value |
|---|---|---|---|---|---|
| 2.7 | 21163 | Woodstock | 7,539 | — | $649,015 |
| 5.0 | 21784 | Sykesville | 39,258 | $2,103 | $553,043 |
| 5.2 | 21794 | West Friendship | 2,192 | — | $1,028,318 |
| 5.4 | 21133 | Randallstown | 31,398 | $1,481 | $361,654 |
| 5.5 | 21042 | Ellicott City | 43,327 | $2,929 | $796,991 |
| 5.8 | 21723 | Cooksville | 669 | — | $910,236 |
| 6.7 | 21244 | Windsor Mill | 38,208 | $1,510 | $321,947 |
| 8.0 | 21738 | Glenwood | 3,696 | — | $977,442 |
| 8.7 | 21043 | Ellicott City | 48,525 | $2,481 | $626,717 |
| 8.7 | 21117 | Owings Mills | 62,816 | $1,877 | $384,367 |
| 8.8 | 21797 | Woodbine | 8,643 | — | $800,294 |
| 9.0 | 21737 | Glenelg | 2,474 | — | $1,193,112 |
| 9.5 | 21036 | Dayton | 2,569 | — | $1,008,338 |
| 9.7 | 21044 | Columbia | 44,114 | $2,332 | $537,079 |
| 9.9 | 21208 | Pikesville | 37,276 | $2,157 | $372,458 |
| 10.0 | 21048 | Finksburg | 10,481 | — | $555,748 |
| 10.1 | 21228 | Catonsville | 50,492 | $1,750 | $424,864 |
| 10.1 | 21207 | Gwynn Oak | 47,099 | $1,439 | $287,860 |
| 10.3 | 21029 | Clarksville | 13,607 | $3,500 | $1,046,023 |
| 10.7 | 21071 | Glyndon | 404 | — | $490,124 |
| 10.8 | 21045 | Columbia | 40,034 | $2,252 | $476,394 |
| 10.9 | 21136 | Reisterstown | 32,088 | $1,469 | $407,137 |
| 11.6 | 21153 | Stevenson | 456 | — | $1,099,138 |
| 11.9 | 21215 | Baltimore | 52,229 | $1,312 | $158,625 |
| 12.4 | 21229 | Baltimore | 46,679 | $1,528 | $170,468 |
| 12.6 | 20777 | Highland | 3,221 | — | $984,731 |
| 12.7 | 21046 | Columbia | 15,608 | $1,952 | $514,796 |
| 12.8 | 20833 | Brookeville | 7,860 | — | $801,829 |
| 12.8 | 21209 | Baltimore | 30,126 | $1,754 | $444,961 |
| 12.9 | 21216 | Baltimore | 29,426 | $1,547 | $113,799 |
Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.