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Appraisal Data (Texas Mineral Appraisals)
Annual Texas mineral appraisal values and tax rolls, joined to well and lease records at no additional cost.
Trusted by operators, non-op buyers, mineral aggregators, and A&D advisors across the upstream market.
Overview
Energy Domain includes Texas mineral appraisal data with every Data subscription at no additional cost. This dataset joins annual mineral appraisal values and county tax roll records directly to well and lease data in the platform.
Texas county appraisal districts assess mineral interests annually using income approach methodologies, typically based on production volumes, commodity pricing, and discount rates to estimate the present value of future mineral income. These assessments drive ad valorem tax obligations and provide a public benchmark for mineral valuation.
Tying appraisal data directly to well and lease records lets you compare assessed mineral values against your own production-based valuations, identify properties where appraisal values diverge significantly from market pricing, and track year-over-year assessment trends across a county or portfolio.
Key Fields
- Property ID / Appraisal District Account Number
- Associated API Number(s) / Lease Name
- County
- Appraised Mineral Value (current year)
- Prior Year Appraised Value
- Owner of Record (per appraisal district)
- Operator (as listed on appraisal)
- Legal Description
- Appraisal Year
Data Sources & Update Frequency
Sourced from Texas county appraisal district records and tax rolls. Updated annually as districts publish new valuations, typically mid-year following the January 1 assessment date. Joined to well and lease data through legal description and API number matching.
Who Uses This
Mineral Aggregators compare appraisal district valuations against their own underwriting to identify mispriced mineral interests, whether over-assessed (potential tax appeal) or under-assessed (acquisition opportunity).
Portfolio Managers track annual appraisal trends across mineral portfolios to monitor assessed value changes, flag tax liability shifts, and support investor reporting.
Tax Advisors reference appraisal data alongside production volumes to identify properties where assessments are inconsistent with actual income, supporting tax protest or appeal strategies.
Land Teams use owner-of-record data from appraisal rolls to identify current mineral owners, cross-referencing against courthouse and lease records.
Why It Matters
Mineral appraisal data is one of the few public benchmarks for mineral valuation in Texas. While it is not a market price, it provides a reference point rooted in income methodology that helps contextualize acquisition pricing. Having it joined directly to well and production data eliminates the manual county-by-county lookup most teams currently deal with. Included at no additional cost with every Energy Domain Data subscription.
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