Unshakable ZIP Data 21228 | Catonsville, MD Housing Market
Catonsville · Baltimore County · Baltimore-Columbia-Towson, MD metro · Maryland · Data updated June 19, 2026
The median sale price in ZIP 21228, Catonsville, Maryland is $399,881 at $228 per square foot. 110 single-family homes sold in the latest period, down 11.9 percent from a year earlier. Homes sit a median of 27 days on market with 1.9 months of supply. Sellers are getting 102.7 percent of list price and 59.8 percent of homes sold above asking.
Seller's market. No room for sloppy offers.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $438,951 | |
| Average price per sq ft | $250 | |
| Median sale price | $399,881 | |
| Median sale price per sq ft | $228 | |
| Median home size | 1,753 sq ft | |
| Median new listing price | $443,658 | +7.6% |
| National size rank | 984 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 110 | -11.9% |
| Median days on market | 27 days | |
| Months of supply | 1.9 months | |
| New listings | 144 | -12.6% |
| Active listings | 199 | -3.6% |
| Pending sales | 137 | -6.9% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 102.7% | +1.1 pts |
| Share sold above list | 59.8% | +3.8 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$306,367
3-bedroom
$398,564
4-bedroom
$518,530
5-bedroom
$625,045
These figures describe the single-family market for Catonsville, Maryland ZIP 21228. They are market context, not a substitute for sold comps or a formal appraisal.