Massachusetts parcel data coverage
14 of 14 counties (100%) have parcel boundaries on CLILU, 14 with owner names — 2,607,097 parcels in all. Updated 2026-10-17.
| County | Status | Parcels | With owner | Data as of |
|---|---|---|---|---|
| Barnstable | Owner names | 184,817 | 99.7% | — |
| Berkshire | Owner names | 89,619 | 99% | 2026-10-16 · Current |
| Bristol | Owner names | 214,924 | 99.3% | 2026-09-02 · Aging |
| Dukes | Owner names | 21,948 | 99.2% | 2026-10-16 · Current |
| Essex | Owner names | 270,301 | 99.5% | — |
| Franklin | Owner names | 55,252 | 99% | — |
| Hampden | Owner names | 167,388 | 99.6% | — |
| Hampshire | Owner names | 65,827 | 99.4% | 2026-10-16 · Current |
| Middlesex | Owner names | 535,513 | 98.3% | 2026-09-02 · Aging |
| Nantucket | Owner names | 13,610 | 98% | — |
| Norfolk | Owner names | 237,113 | 99.5% | — |
| Plymouth | Owner names | 218,935 | 99.3% | — |
| Suffolk | Owner names | 208,740 | 99.9% | 2026-10-16 · Current |
| Worcester | Owner names | 323,110 | 99.4% | — |
“Current” = compared with the county or state source in the last 35 days; “Aging” = 36–180 days; “Older” = not yet compared automatically.