Groundwork value accuracy benchmark, Florida, 2026 Q4
Tested on 151,930 Florida sales the model never saw (Feb to May 2026 and Aug to Oct 2026): median error 7.7% on homes and 16.3% on land.
Frozen 2026-11-05 from the /accuracy build of 2026-11-01. The live figures are on /accuracy; this edition does not change.
| Type | Sales (n) | Median error | Within ±10% | Within ±20% | Inside 80% range |
|---|---|---|---|---|---|
| Homes | 107,870 | 7.7% | 60% | 83% | 79% |
| Condos | 27,778 | 9.4% | 52% | 78% | 80% |
| Land | 13,427 | 16.3% | 33% | 58% | 81% |
| Commercial | 2,855 | 17.1% | 33% | 56% | 78% |
Cells under 60 sales are left out. Licence: the site terms. DOI: not assigned yet.
Cite
Groundwork (groundworkmap.com), “Groundwork value accuracy benchmark, Florida, 2026 Q4”, https://groundworkmap.com/data/accuracy/2026-q4, data as of 2026-11-01.