Mineral rights in King County, Texas
King County sees steady, selective drilling — 33 permits over the last 24 months, cooling versus the prior period.
- 33
- Permits · 24 mo
- 1
- Rigs running
- 3,697
- Wells on record
- 75
- Mineral owners
down 6% vs prior 24 months
as of 2026-05-23
appraisal-linked records
Who's drilling King County
Operators ranked by drilling permits approved in the 24 months ending 2026-05-23.
| Operator | Permits · 24 mo |
|---|---|
| Gunn Oil | 12 |
| Medders Oil Company | 4 |
| Energy Transfer | 4 |
| Burnett Oil CO | 3 |
| Sojourner Drilling | 3 |
What the record says
King County recorded 33 drilling permits in the 24 months ending 2026-05-23, against 35 in the prior 24 months. Most activity targets the Eastern Shelf play of the Permian Other basin.
On the production side, Texas Railroad Commission county cycle data shows King County produced roughly 1.3M barrels of oil and 185K Mcf of gas in 2025 — the royalty base that mineral values here are priced against.
Ownership is spread across 75 mineral owners holding 75 appraisal-linked interest records . Fragmented ownership like this is where buyers find deals — and where heirs discover interests they didn't know they had. See our guide to researching mineral ownership.
Thinking about value? Start with what drives mineral prices or run the numbers in the value calculator.
King County mineral rights FAQ
Who is drilling in King County, Texas?
The most active operators by permits approved in the last 24 months are Gunn Oil, Medders Oil Company, Energy Transfer. The full table above lists the top five with permit counts.
How many mineral owners are there in King County?
County appraisal and ownership records show 75 distinct mineral owners holding 75 interest records in King County as of the 2026-05-23 snapshot.
How do I research mineral rights ownership in King County?
Start with the King County clerk's deed records and the county appraisal roll, then verify against state regulator filings. Our title search guide walks through the process, and the Mineral Eagle platform links these records for the whole county.
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Buying in King County?
Mineral Eagle links every permit above to the owners it affects — 75 of them, with the records to back it up.