Last reviewed June 2026
There is no Zillow for minerals. Two interests that look identical on paper can be worth very different numbers. Here is what actually moves the price, and how to find yours.
Quick answer: There is no public index for mineral rights value the way there is for homes, because the price depends on the specific tract. The main drivers are whether the interest is producing, leased, or undeveloped, the quality of the formation and operator, current oil and gas prices, and the size of the net mineral acres or royalty. Because two interests that look identical can be worth very different numbers, the only reliable valuation is competing offers from buyers who know the area.
American Mineral Registry is a matching service for United States mineral and royalty owners, not a buyer. This page explains what mineral rights are worth and the factors that move value, from production and location to lease terms and live offers, so an owner can judge a number before signing.
Value comes down to one question a buyer asks first: is it producing, and if so, how much and for how long?
Buyers value a producing royalty as a multiple of recent monthly income, then adjust for how fast the wells decline, the strength of the operator, and the basin. A check that has held steady is worth more per dollar than a brand new well that may fall quickly.
A strong, active operator drilling more wells nearby pushes the multiple up, as does a shallow decline curve with a steady history. A top tier basin such as the Permian or the SCOOP and STACK lifts it too, and so does clean title with a simple ownership chain.
Other things pull it down: a single old well in steep decline, a marginal area with little new drilling, title questions or unresolved heirship, and a very small interest that is costly to process. To put rough numbers to your own interest, the royalty calculator works the math, and the glossary explains any term here you have not met before.
Non producing minerals are priced per net mineral acre, set by recent leasing and drilling nearby. The range is enormous, and a single permit on the next tract can move it overnight. This is the value most owners underestimate.
There is no public price feed and most sales are private, so no one can hand you a tidy market value. That information gap is exactly what an unsolicited lowball relies on. The fix is to create a small market of your own.
Get competing offers. The spread between honest bids is the market, far better than any formula. A recent check stub or your lease sharpens it, but you can start with just the state and county.
Competing offers tell you the value, free and with no obligation to sell.
A serious buyer is not guessing. For a producing interest, the buyer projects the future stream of production from the wells, applies expected prices and operating costs, accounts for the decline that every well follows over time, and discounts that future income back to a value today. The result is what the interest is worth as an investment, and it is the same discounted cash flow method that Texas appraisal districts are required to use when they value producing minerals for property tax. Two parties with opposite incentives reaching for the same math is a useful thing to know when you read an offer.
For minerals that are not yet producing there is no income stream to discount, so the value rests on probability: how likely a well is, how soon, and how good. That is read from nearby permits, recent leasing, and the operators active around you. It is inherently less certain, which is exactly why a single buyer can put a low number on it and call the uncertainty your problem. Competing offers force that uncertainty to be priced honestly.
Holding and selling are taxed in different ways, and the gap can matter to the decision. The royalty checks you receive while you hold are ordinary income, taxed at your regular rate and usually reported to you on a 1099. Selling the interest outright is generally treated as the sale of a capital asset, so federal capital gains rules tend to apply to the difference between the sale price and your basis. If you inherited the minerals, your basis is usually stepped up to the value at the date of death, which can sharply reduce the taxable gain on a later sale. Percentage depletion may also shelter part of royalty income while you hold.
None of that is tax advice, and the right answer depends on your own situation, so run any real decision past a tax professional. The point here is only that the headline offer is not the whole picture. What you keep after tax is what actually compares.
As a multiple of recent monthly income, adjusted for how fast the wells decline, the operator, and the basin. The cleaner and steadier the income, the higher the multiple.
Non producing minerals are priced per net mineral acre, and the range is enormous, from very little to many thousands per acre, depending entirely on recent leasing and drilling nearby. Only local comparables and competing offers give a real figure.
Treat it as an opening bid, not a valuation. Unsolicited offers are set low on purpose because the buyer is betting you do not know what you hold. Compare it against competing offers before you decide.
Yes. You can get competing offers purely to learn the value and keep them on file. There is no obligation to sell, and getting the number costs nothing.
Selling is generally treated as the sale of a capital asset, so federal capital gains rules usually apply, while the royalty income you receive from holding is ordinary income. Inherited minerals often get a stepped up basis that reduces the gain on a later sale. Confirm your own situation with a tax professional.
They project future production, apply expected prices and costs, account for the well's decline, and discount that income back to a value today. It is the same discounted cash flow approach appraisal districts use, which is why a county tax valuation can be a rough check on an offer.
One short form. Written offers from vetted buyers, usually within a working day. Free, no upfront fee, no obligation.
Start now →Get the Owner's Valuation and Offer Guide: how buyers actually value an interest, how to read an offer letter, the lowball red flags, and the one move that protects your price. Plus a short quarterly market note for owners.