Texas Mineral Rights and Home Sales 2026: Do You Actually Own What's Under Your Lot?

Texas Mineral Rights and Home Sales 2026: Do You Actually Own What's Under Your Lot?

When You Buy Texas Land, the Ground May Already Belong to Someone Else

Texas operates under a split estate system that surprises many first-time buyers: the person who sells you a house may legally own only the surface of that land, while a completely different party retains the oil, gas, coal, and other minerals lying beneath your future backyard. That split is called a severed mineral estate, and it is far more common across Houston's northern suburbs than most residential buyers expect.

TL;DR / Quick Answer: In Texas, the mineral estate is the dominant estate by law. If minerals were severed from the surface at any point in the chain of title, the mineral owner (or their lessee) can access your property to drill or produce, even after you close. Research the deed chain through county clerk records and run a Texas Railroad Commission W-1 permit query before making an offer. In active areas like north Harris County and Montgomery County, this step can be the difference between a clean purchase and an unwanted drilling pad within 100 feet of your fence line.

What Is a Severed Mineral Estate and Why Does It Matter?

Under Texas common law, land has two legally separate estates: the surface estate and the mineral estate. Either estate can be conveyed independently. When a prior owner transferred land but kept the oil and gas rights, the mineral estate was "severed" from the surface. Once severed, the two estates travel on separate tracks through time, passing through different heirs, sold to different investors, and taxed on different appraisal rolls.

The legal consequence that shocks most residential buyers is the doctrine of mineral estate dominance. According to Texas property law and confirmed by Buckhead Energy's 2026 legal summary, the mineral estate is the dominant estate. That means the mineral owner, or any company that has leased the mineral rights, holds an implied easement to use as much of the surface as is "reasonably necessary" to develop the minerals. Courts have consistently upheld this principle for more than 150 years, placing resource extraction ahead of surface owner preferences.

For a buyer in Spring, Magnolia, or Conroe, this matters in practical, immediate terms:

• A new drilling pad could legally be placed on or adjacent to your lot without your permission.
• Pipeline gathering lines crossing your back yard may already be recorded as easements.
• A lease signed decades before you were born may still be "held by production," meaning a single producing well keeps the lease alive indefinitely.

The Accommodation Doctrine: Your Limited but Real Protection

Texas courts recognize the accommodation doctrine as the primary legal protection for surface owners. To invoke it, a surface owner must prove three conditions: (1) the mineral owner's planned activity would substantially impair an existing surface use; (2) no reasonable alternative for the surface owner would allow that use to continue; and (3) a reasonable alternative exists for the mineral owner that would still allow mineral development.

As Chass Middleton's oil-and-gas law firm explains, the doctrine is not as broad as homeowners hope. Courts routinely find against surface owners who have alternative options, even inconvenient ones. The accommodation doctrine has been successfully used to relocate well locations away from existing buildings or irrigation systems, but it requires active litigation and the outcome is never guaranteed.

Buyers who want contractual certainty should negotiate a surface use waiver or surface use agreement (SUA) as a condition of sale. A well-drafted SUA can set minimum setback distances from structures (often 300 to 500 feet), prohibit surface water pond placement, require surface restoration bonds, and establish compensation schedules for any future access. These agreements are recorded in the deed records and run with the land, binding future operators.

How to Research Mineral Ownership in Texas

Step 1: Read the Deed Chain at the County Clerk's Office

Every Texas county clerk maintains grantor-grantee indexes tracing every recorded conveyance back to the original patent. HCAD's online portal links to Harris County deed images for free download. Montgomery County records are searchable through the Montgomery County Clerk's online system; Waller County records (covering Magnolia and Brookshire) are held at the courthouse in Hempstead.

Scan for any deed language containing phrases such as: "save and except all oil, gas and other minerals" or "subject to prior mineral conveyances of record." If any prior deed in the chain contains a reservation, the mineral estate was severed. Absence of reservation language in recent deeds is not sufficient proof that minerals are included, because severed interests can pass through separate instruments under different grantor names.

Step 2: Run a Texas Railroad Commission W-1 Permit Query

The Railroad Commission of Texas Drilling Permit (W-1) Query is updated nightly and searchable by county, operator, or lease name. Pull every permit within a one-mile radius of any property you are seriously considering. The RRC's Oil and Gas Well Records system covers electronic records back to 1964; older paper records are available by request.

Step 3: Review GIS Mapping Tools

Harris County's HCAD GIS viewer and the RRC's GIS data layer let you overlay mineral leases, active wells, and surface parcel boundaries on one map. Montgomery County as of January 2026 shows 4,301 drilled wells across 51 producing leases, with operators including Magnolia Oil and Gas Operating LLC and Ballard Exploration Company.

Oil and Gas Activity in the Houston-Area Market

North Harris County and the Conroe Field

The Conroe Oil Field, one of the largest in Texas history, underlies much of Montgomery County and reaches into northern Harris County. Discovered in 1931, the field produced over 1 billion barrels of oil across its productive life. While primary production has largely matured, secondary and tertiary recovery operations continue, and the Conroe field remains an active leasing area. Texas-drilling.com data for Montgomery County shows 53,700 barrels of oil produced in January 2026 alone across 51 producing leases, with 11 active operators.

Buyers in Conroe (ZIP 77301, 77303, 77304, 77306), Magnolia (ZIP 77354, 77355), and Willis (ZIP 77378) should treat mineral research as mandatory, not optional. Acreage parcels of 2 to 20 acres in these ZIP codes carry a higher probability of severed minerals than urban Houston lots.

Eagle Ford Fringe and South Texas Creep

The Eagle Ford Shale, centered in south Texas, fringes into the Houston metro's southern edge. Mineral rights speculation related to Eagle Ford extension plays has been active in Brazoria County, covering Pearland, Alvin, and Angleton. Buyers in Pearland (77581, 77584), Friendswood (77546), and Alvin (77511) should run deed chain searches specifically looking for Eagle Ford-era mineral reservations recorded between 2008 and 2016.

Pipeline Easements: The Hidden Encumbrance

Separate from drilling rights, pipeline easements may already cross your prospective lot. Under Texas Property Code Chapter 21, pipeline companies with common carrier status hold eminent domain authority, meaning they could have taken an easement across the parcel years before you purchased it. According to the Texas A&M Real Estate Center's data cited by LandQuire's 2026 pipeline easement guide, agricultural land with pipeline easements trades at a 5% to 15% discount. Residential lots, particularly in suburban subdivisions near gathering lines, may reflect smaller discounts, but they still carry real physical and aesthetic impacts.

Pipeline easements recorded before 1950 may not appear in standard 40-year or 60-year title searches. Request that your title company perform a full-chain search to the original patent if you are buying acreage or a large residential lot.

Mineral Right Reservation Language in Deeds

Texas real estate contracts under TREC forms include a Mineral Reservation Addendum (TREC Form No. 44-2). If a seller intends to retain any mineral interest, they must check the appropriate box in paragraph C and ensure the actual deed language matches that reservation. As landman practitioners note on the Mineral Rights Forum, the addendum itself does not reserve or transfer mineral rights; the deed language is controlling.

Common reservation language you will encounter in Texas deeds:

• Full mineral reservation: "Grantor reserves all oil, gas and other minerals in and under the described property." The seller keeps 100% of the mineral estate.
• Fractional mineral reservation: "Grantor reserves an undivided one-half (1/2) interest in all oil, gas and other minerals." The seller keeps 50%.
• Royalty-only reservation (NPRI): "Grantor reserves a non-participating royalty interest of 1/16 of all oil, gas and other minerals produced from the described property." The grantor keeps a royalty share but no executive rights.

The critical difference between a mineral interest and a non-participating royalty interest (NPRI) is that the NPRI owner receives a royalty share from production but has no right to sign leases, negotiate bonus payments, or participate in decisions about when or how to develop the minerals. For a buyer, an existing NPRI recorded in the deed chain does not give the NPRI owner the right to access the surface, because the NPRI owner holds no executive rights and cannot lease the minerals independently. However, the executive rights holder (often a third-party mineral owner) retains surface access authority.

How Mineral Rights Affect Title Insurance and Lender Requirements

Standard Texas title insurance policies exclude mineral interests. Texas Department of Insurance Procedural Rule P-5.1 allows title companies to insert a broad Schedule B exception covering all leases, grants, and reservations of oil, gas, and other minerals whether listed or not. Your title policy likely does not cover claims arising from surface access by a mineral lessee or pipeline easement activity.

Three endorsements offer partial protection:

• T-19.1: Insures against physical damage to surface improvements from mineral estate activity. Most commonly requested by residential buyers.
• T-19.2: Covers structural damage when the insured holds surface rights only.
• T-19.3: Addresses surface use restrictions tied to mineral rights.

Conventional conforming lenders (Fannie Mae/Freddie Mac guidelines) typically do not require mineral research for standard suburban loans. If an active oil and gas lease surfaces during title search, the underwriter may require lease term review before funding. Jumbo lenders on acreage parcels above 10 acres routinely scrutinize mineral reservations.

What Buyers in Spring, Magnolia, and Conroe Should Ask

For properties in Spring (77373, 77379, 77388, 77389), Magnolia (77354, 77355), or Conroe (77301-77306), raise these due diligence questions:

1. Does the seller own the minerals, and are they included in the sale?
2. Has the seller ever signed an oil and gas lease? Is there a current lease?
3. Are there pipeline easements of record, or any mineral-related payment history in the past 10 years?
4. Has the seller received any surface use notice from an oil and gas operator?
5. Are there active RRC permits within one mile of the property?

Texas Property Code Section 5.008 requires a Seller's Disclosure Notice for 1-to-4-unit residential properties. The form covers known defects but has no dedicated mineral rights question, so the research burden falls on the buyer.

MLS Disclosure Expectations and What You May Not See

HAR MLS listings are not required to disclose mineral ownership status. A property listed in Spring for $480,000 may have fully severed minerals leased three times in the past 40 years, with nothing visible in the MLS sheet. Only an independent deed chain review and an RRC permit search provide reliable answers. For searches in the Spring/Klein, Magnolia, and Conroe corridors, ask your agent to flag listings with lot sizes above 1 acre, where exposure to active mineral development is meaningfully higher.

Royalty Interest Valuation: What Is a Mineral Interest Worth?

If the seller owns minerals and offers to include them in the sale, the value depends on production history, lease royalty fraction (typically 1/5 or 25% in modern Texas leases), and the likelihood of future drilling.

A producing mineral interest generating $500 per month in royalties typically trades at 24 to 60 months of income: $12,000 to $30,000 in a private market deal. A non-producing interest in active Montgomery County may fetch $100 to $1,000 per net mineral acre depending on proximity to producing wells. Many suburban subdivision lots have mineral rights with minimal market value because pooling restrictions and surface development preclude practical drilling. An NPRI is valued like a royalty interest but at a discount, since the NPRI owner has no executive rights and cannot initiate a lease.

Worked Example: A 5-Acre Magnolia Tract at 77355

Consider a 5-acre residential tract in Magnolia, ZIP 77355, listed at $625,000. The listing does not mention mineral rights. Here is a step-by-step due diligence approach:

Step 1: Deed chain search. The buyer's agent requests a 60-year deed history from the Montgomery County Clerk. A 1968 warranty deed reads: "Save and except all oil, gas and other minerals in, on and under the described property, which grantor hereby retains for grantor's heirs and assigns forever." The mineral estate was severed in 1968.

Step 2: Chain tracing. The mineral interest passed to the original grantor's estate in 1991, then to two children as equal undivided interests. One heir sold their 1/2 undivided interest to a Houston mineral investment company, Highmark Energy Operating LLC, for $8,500 in 2003. The other heir still holds their 1/2 interest.

Step 3: RRC W-1 permit query. No active drilling permits appear within one mile of the property's survey abstract. However, RRC well records show a plugged and abandoned well drilled in 1974 on an adjacent 10-acre tract, confirming legacy mineral activity in the area.

Step 4: Title insurance and negotiation. The title commitment includes the standard P-5.1 mineral exception. The buyer requests a T-19.1 endorsement (approximately $150 additional premium) and presents the mineral chain research to negotiate a $7,500 price reduction. The seller accepts.

Outcome: The buyer closes at $617,500 with full knowledge of the split ownership and a T-19.1 endorsement on the title policy.

Internal Resources for Texas Home Buyers

If you are working through the complexity of a Texas real estate transaction, these additional guides from the Harbert Real Estate Group may be useful:

• Texas Homestead Exemption Guide 2026: How to Cut Your Property Tax Bill covers the $140,000 school district exemption and Harris County's additional 20% optional exemption.
• Spring TX Real Estate Market Report 2026 includes median price trends for the 77379 and 77389 ZIP codes where Harbert Group operates daily.
• Magnolia TX Homes and Acreage: What Buyers Need to Know addresses larger-lot purchases in Waller and Montgomery counties, including well and septic considerations.
• Understanding Texas Title Insurance Commitments explains Schedule A, Schedule B, and common exceptions before closing day.

Frequently Asked Questions

Does the seller have to disclose severed mineral rights in Texas?

Texas law does not require a seller to disclose severed mineral rights on the TREC Seller's Disclosure Notice. The form covers known defects and material conditions but has no dedicated mineral rights question. A seller can truthfully complete the disclosure without revealing that minerals were severed 50 years ago by a prior owner. Your best protection is an independent deed chain search ordered by your attorney or title company, going back to the original land patent.

Can an oil company drill on my residential lot even if I live there?

Legally, yes, if a third party owns the mineral estate under a valid lease, that lessee holds an implied easement to access the surface. In practice, incorporated cities apply zoning codes, and RRC Statewide Rule 37 requires a surface location at least 467 feet from the nearest property line. Many suburban subdivisions are simply too small to site a conforming well. Unincorporated acreage in Harris, Montgomery, Waller, and Brazoria counties has thinner protections and carries more realistic exposure.

What is a non-participating royalty interest (NPRI) and should it concern me as a buyer?

An NPRI gives the holder a fraction of royalty income from production but strips them of executive rights, meaning they cannot sign leases or authorize surface access on their own. For a residential buyer, the NPRI itself is not a surface-access threat. However, the executive rights holder (the mineral owner) can still lease to an operator, and once production occurs, the NPRI owner receives royalty payments automatically. Note the NPRI in your title research but treat a full executive rights reservation as the higher concern.

How do I find out if there is an active oil and gas lease on a property I want to buy?

Oil and gas leases are recorded in the county grantor-grantee deed index under the lessor (mineral owner) and lessee (oil company) names. Once you identify mineral owners through your deed chain research, search their names in the county clerk's online system. Leases recorded after 1975 in most Texas counties are searchable online. A lease "held by production" from a 1980s well can still be legally valid today if the well produces in paying quantities, even if the monthly royalty check is only $50.

What are the T-19 title endorsements and how much do they cost?

Texas title insurance endorsements T-19.1, T-19.2, and T-19.3 provide limited coverage against surface damage and use restrictions tied to mineral rights. The T-19.1, most commonly requested by residential buyers, insures against physical damage to structures from mineral estate activity. On a $600,000 transaction, the added premium is typically $100 to $250. These endorsements do not grant mineral ownership or block surface access; they provide a financial claim against the title insurer if specific covered losses occur.

Does buying in a platted subdivision protect me from mineral surface access?

Partially. Platted subdivisions within incorporated city limits benefit from municipal zoning that typically prohibits or heavily restricts drilling. Spring, Conroe, and Magnolia's incorporated areas provide that buffer. However, large portions of those communities lie in unincorporated Harris, Montgomery, and Waller counties, where no municipal zoning exists and only RRC statewide spacing rules apply. Before assuming a subdivision lot is protected, verify whether the specific address falls inside or outside an incorporated city limit.

Talk to a Local Expert Before You Sign

Mineral rights questions in Texas real estate transactions are not theoretical. They affect title insurance coverage, lender approval, property use, and long-term land value. The Harbert Real Estate Group works with buyers across Spring, Magnolia, Conroe, and the broader Houston metro every day. When you identify a property with acreage or a complex deed history, Erick Harbert can help you structure due diligence, connect you with oil-and-gas-experienced title attorneys, and evaluate whether the mineral situation changes the price or terms you should offer.

Reach Erick Harbert and The Harbert Real Estate Group at Realty Right directly:

• Phone: (281) 305-2520
• Email: [email protected]
• Office: 6605 Cypresswood Dr Ste 300, Spring TX 77379
• Website: harbertgroup.com

Sources: Texas Railroad Commission Research Queries | Texas Railroad Commission Oil and Gas Well Records | Buckhead Energy: Are Mineral Rights Real Property in Texas (2026) | Chass Middleton: Texas Mineral Owner's Implied Right to Use the Surface | LandQuire: Pipeline Easements Texas 2026