Maryland parcel data coverage
24 of 24 counties (100%) have parcel boundaries on CLILU, 24 with owner names — 2,370,496 parcels in all. Updated 2026-10-17.
| County | Status | Parcels | With owner | Data as of |
|---|---|---|---|---|
| Allegany | Owner names | 40,532 | 100% | 2026-10-16 · Current |
| Anne Arundel | Owner names | 222,825 | 100% | — |
| Baltimore | Owner names | 303,727 | 100% | — |
| Baltimore City | Owner names | 237,243 | 100% | 2026-09-02 · Aging |
| Calvert | Owner names | 43,017 | 100% | 2026-10-16 · Current |
| Caroline | Owner names | 16,670 | 100% | 2026-09-02 · Aging |
| Carroll | Owner names | 69,115 | 100% | — |
| Cecil | Owner names | 48,020 | 100% | 2026-09-02 · Aging |
| Charles | Owner names | 72,259 | 100% | 2026-09-02 · Aging |
| Dorchester | Owner names | 22,629 | 100% | 2026-09-02 · Aging |
| Frederick | Owner names | 109,805 | 100% | — |
| Garrett | Owner names | 30,476 | 100% | 2026-10-16 · Current |
| Harford | Owner names | 101,106 | 100% | 2026-09-02 · Aging |
| Howard | Owner names | 111,801 | 100% | — |
| Kent | Owner names | 13,379 | 100% | — |
| Montgomery | Owner names | 348,688 | 100% | 2026-09-02 · Aging |
| Prince George's | Owner names | 309,758 | 100% | 2026-10-16 · Current |
| Queen Anne's | Owner names | 27,386 | 100% | 2026-10-16 · Current |
| Somerset | Owner names | 16,832 | 100% | 2026-09-02 · Aging |
| St. Mary's | Owner names | 50,676 | 100% | 2026-10-16 · Current |
| Talbot | Owner names | 21,636 | 100% | — |
| Washington | Owner names | 60,470 | 100% | 2026-09-02 · Aging |
| Wicomico | Owner names | 46,944 | 100% | 2026-09-02 · Aging |
| Worcester | Owner names | 45,502 | 99.6% | 2026-09-02 · Aging |
“Current” = compared with the county or state source in the last 35 days; “Aging” = 36–180 days; “Older” = not yet compared automatically.