TLDR: What You Need to Know About Concrete Cancer in Texas Pools
- Concrete cancer is a nickname commonly used for alkali-silica reaction, or ASR, which can cause concrete to expand and crack from within.
- Reports have focused on some Central Texas pools built in recent years, but a construction date alone does not prove that a pool has ASR.
- Visible cracking deserves investigation, but cracks can result from several causes, including movement, workmanship, shrinkage, plumbing problems, or ordinary surface deterioration.
- A general home inspection may flag a concern, but diagnosing ASR can require specialized pool, engineering, petrographic, or laboratory evaluation.
- Texas REALTORS added Alkali-Silica Reaction, also called concrete cancer, to its revised Seller’s Disclosure Notice effective June 15, 2026.
What Does “Concrete Cancer” Mean in a Swimming Pool?
“Concrete cancer” is not a precise engineering diagnosis by itself. It is an informal phrase used to describe serious deterioration occurring within concrete. In the Central Texas swimming-pool conversation, the term usually refers to alkali-silica reaction.
Concrete is made from several ingredients, including cement, water, sand, and larger aggregate such as crushed rock or gravel. Under certain conditions, reactive forms of silica in the aggregate can interact with alkalis in the cement paste. When enough moisture is present, that reaction can produce a gel that absorbs water and expands.
Think of it less like a crack appearing only on the surface and more like pressure developing inside the pool shell. As that internal pressure increases, cracking and other deterioration may become visible. Swimming pools remain in constant contact with moisture, which is one reason ASR can become particularly concerning in a pool structure.
The American Society of Civil Engineers has published material specifically describing a Central Texas pool crisis involving ASR, and local reporting has documented homeowners, community pools, builders, engineers, and testing laboratories dealing with the condition. The issue is real, but every crack is not automatically ASR, and every pool built during a certain period should not be treated as defective.
Why Are Central Texas Pools Receiving So Much Attention?
Central Texas has experienced tremendous residential growth, and many homes and communities added swimming pools during that growth. Local news reports have focused particular attention on pools built in 2017 and later, including pools with cracking that owners say became progressively worse.
That date range is useful as a reason to ask questions, but it should not become a shortcut for reaching a conclusion. A pool built in 2018 is not defective simply because of the year it was built. Likewise, an older pool should not be assumed safe from every structural concern merely because it predates the current reports.
What matters is the actual condition of the pool, the history of changes or repairs, the materials used, the available construction documentation, and the findings of qualified professionals. Responsible real estate guidance means separating a possible risk factor from a confirmed diagnosis.
Are All Pools Built Since 2017 Affected?
No. That is probably the most important sentence in this entire article.
The phrase “pools built since 2017 may be affected” should never be rewritten as “pools built since 2017 are affected.” Those are very different statements. A broad construction period may help an inspector or specialist decide what questions to ask, but it does not tell us whether a specific pool has ASR.
Two pools built in the same year may have different builders, concrete suppliers, aggregate sources, construction methods, soil conditions, maintenance histories, drainage patterns, and exposure to movement. Even when two pools show cracks, the cause may not be the same.
When I represent a buyer, I want the buyer to understand the risk without turning uncertainty into a fact. When I represent a seller, I want the seller to disclose what is known, preserve available documentation, and avoid making unsupported assurances. Clear facts protect everybody better than either panic or denial.
What Warning Signs Might Deserve Further Evaluation?
A homeowner or buyer may first notice cracking, but ASR cannot be diagnosed from a simple checklist. The following conditions may justify closer evaluation, especially when they are progressive, widespread, unusual, or accompanied by water loss:
- Cracks that continue returning after cosmetic repairs
- Cracking visible through plaster, tile, coping, or structural portions of the shell
- Map-like or irregular crack patterns
- Areas that appear to be expanding, shifting, bulging, or separating
- Persistent unexplained water loss
- Repeated plaster failures that do not appear consistent with ordinary surface wear
- Documentation showing prior structural evaluation, testing, major repair, or builder involvement
- Similar reported problems in pools constructed by the same project team, supplier, or time period
These observations do not prove concrete cancer. Pool shells can crack for many reasons, including soil movement, poor drainage, construction joints, inadequate reinforcement, shrinkage, plumbing leaks, hydrostatic pressure, workmanship, or ordinary aging. The purpose of noticing a warning sign is to know when to stop guessing and bring in somebody qualified to evaluate it.
Why a Regular Home Inspection May Not Be Enough
A general home inspection remains an important part of buying a home. A good inspector can identify visible concerns, explain the limits of the inspection, and recommend further evaluation. You can read more about the broader inspection process in my guide to the inspections a buyer may need when purchasing an Austin home.
However, a general home inspector is not automatically a structural pool engineer, concrete materials specialist, or ASR laboratory expert. A visual inspection may reveal cracking, water loss, movement, failed finishes, or other concerns, but confirming the underlying cause can require more specialized work.
Depending on the circumstances, a buyer or owner may need one or more of the following:
- A swimming-pool contractor experienced with structural pool failures
- A licensed professional engineer familiar with pool shells and concrete distress
- A materials engineer or petrographer
- Core sampling or laboratory analysis
- Leak detection or plumbing evaluation
- A review of original construction documents, concrete tickets, repair invoices, warranties, and prior reports
Buyers should also understand the difference between choosing a capable general inspector and obtaining specialized evaluations. My article on how to choose the right home inspector can help with that first step.
How Is Alkali-Silica Reaction Confirmed?
A photograph posted online cannot reliably confirm ASR. Even experienced professionals may need testing before giving a firm opinion because several forms of concrete distress can look similar at the surface.
A specialist may begin with the pool’s history, visible conditions, crack patterns, water-loss information, construction date, repair history, and documentation. If the concern remains, a more conclusive investigation may involve extracting core samples and examining the concrete through recognized materials-testing methods.
Testing can take time, and local reporting has previously described backlogs for specialized analysis. That timing matters in a real estate transaction because a buyer’s option period or other contractual deadlines may move much faster than a laboratory schedule.
That does not mean a buyer should skip investigation. It means the buyer, agent, inspector, specialists, and possibly legal counsel need to discuss what can realistically be learned within the contractual timeline and how unresolved risk should be addressed.
What Changed in the Texas REALTORS Seller’s Disclosure Notice?
Texas REALTORS reported that its revised forms became effective June 15, 2026. Its revised Seller’s Disclosure Notice added Alkali-Silica Reaction (ASR), also known as Concrete Cancer, to Section 3 because of the increasing prevalence of the condition.
That change does not mean every seller with a swimming pool should check a box merely because the pool was built after a certain year. It also does not give a seller permission to ignore known reports, repairs, testing, communications, or visible conditions. The seller should answer the form based on the seller’s actual knowledge and should seek legal advice when unsure about a disclosure obligation.
Real estate license holders should not diagnose the pool, tell a seller how to conceal an issue, or give legal advice about what the law requires in a disputed situation. My job is to help clients identify the appropriate form, understand the importance of complete and accurate information, preserve relevant records, and obtain qualified legal or technical guidance when needed.
For a broader discussion, see my articles about the paperwork commonly needed to sell a Texas home and what sellers should consider disclosing when selling a home.
What Should a Seller Gather Before Listing a Home With a Pool?
A seller does not need to wait for a buyer to ask before organizing the pool’s history. Good records help the seller complete disclosures accurately and help buyers evaluate the property without relying on memory or speculation.
Useful records may include:
- The pool construction contract and completion date
- The name of the builder, engineer, concrete supplier, and major subcontractors, when available
- Permits, plans, warranties, and final inspection records
- Service records and maintenance history
- Repair proposals, invoices, photographs, and warranties
- Leak-detection, plumbing, engineering, or laboratory reports
- Insurance claims and related correspondence
- Communications with the builder, homeowners association, contractor, or attorney concerning cracking or structural concerns
A seller should not throw away an unfavorable report and then pretend it never existed. The better approach is to disclose known information appropriately and let buyers evaluate it with their own professionals. Transparency does not automatically ruin a sale. Surprises, incomplete answers, and contradictory records are far more likely to undermine trust.
Should a Seller Repair the Pool Before Listing?
There is no one answer for every property. The right strategy depends on whether the condition has been diagnosed, the repair scope, the cost, the reliability of the proposed remedy, available warranties, the seller’s timeline, and the likely buyer pool.
A cosmetic patch may make the pool look better temporarily without addressing an underlying structural problem. That can create a worse situation if a buyer later learns that the visible evidence was covered without a genuine remedy. On the other hand, a carefully documented repair completed by qualified professionals may reduce uncertainty and strengthen the seller’s position.
Some sellers may choose to sell the property in its current condition and price it with the known risk in mind. Selling “as is” does not erase disclosure obligations or prevent a buyer from conducting inspections. My guide to selling a home as is explains that distinction in more detail.
What Should a Buyer Do When Considering a Home With a Pool?
First, do not assume that a clear-looking pool is problem-free. Second, do not assume that every crack means the pool is failing. A buyer needs a deliberate process.
- Review the seller’s disclosure carefully. Look for ASR, structural movement, cracks, leaks, repairs, insurance claims, and prior evaluations.
- Ask for documentation. Obtain available construction, warranty, service, repair, testing, and engineering records.
- Hire the appropriate inspectors. Begin with a capable general home inspector, then add a qualified pool specialist or engineer when conditions warrant it.
- Respect contractual deadlines. Testing and specialist availability may not align neatly with the option period.
- Estimate the financial exposure. Consider evaluation costs, possible repairs, loss of pool use, landscaping disruption, permits, and future resale concerns.
- Evaluate unresolved uncertainty. Sometimes the most important fact is that a definitive answer is not available before a decision deadline.
- Make the decision that fits your risk tolerance. A home may still be right for one buyer and completely wrong for another.
Buyers purchasing property in its current condition should pay particular attention to inspections and financial risk. My guide to buying a home as is in Texas provides additional context.
Should a Buyer Automatically Walk Away?
No, but a buyer should not minimize the issue either.
A suspected condition is different from a confirmed diagnosis. A confirmed condition with a credible, transferable repair plan is different from one with no accepted remedy or uncertain responsibility. A pool with a documented repair and meaningful warranty is different from a pool with repeated patching and no records.
The buyer should consider:
- The strength of the evidence
- The expected cost and disruption
- Whether the proposed repair is structural or merely cosmetic
- Whether a qualified professional supports the repair plan
- The seller’s willingness to negotiate
- Insurance and financing implications
- The buyer’s available cash and appetite for future uncertainty
- How the issue could affect resale
The goal is not to push the buyer toward or away from the house. My goal is for a buyer to understand the facts well enough to make a choice they can live with after closing.
Can a Buyer Ask the Seller to Repair the Pool or Adjust the Price?
A buyer can request many things, but a seller may agree, reject the request, offer a different solution, or decide that the property is already priced for its condition. The buyer’s contractual rights and leverage depend on the contract, timing, market, competing offers, and the evidence supporting the request.
Possible negotiation approaches may include:
- A seller-completed repair under an agreed scope
- A price reduction
- A seller contribution permitted by the contract and financing
- A holdback or escrow arrangement drafted and approved by the appropriate parties and professionals
- Additional time for evaluation, when the parties agree in writing
- Termination when the contract gives the buyer that right
Repair requests should focus on meaningful risk rather than treating the inspection as a shopping list. My article about what a buyer can ask a seller to repair explains how I approach those conversations.
Can Concrete Cancer Affect Home Value?
Yes, a confirmed or reasonably suspected structural pool problem can affect value and marketability. The amount cannot be determined by a universal formula.
A pool can be a meaningful lifestyle feature and a substantial part of a buyer’s attraction to a home. When that same pool carries a major unresolved liability, buyers may discount the property for the anticipated cost, inconvenience, uncertainty, and resale risk. Some buyers may decide not to pursue the home at any price that works for the seller.
Value may be influenced by:
- The severity and certainty of the diagnosis
- The estimated cost of demolition, rebuilding, or repair
- Damage to decks, landscaping, fencing, plumbing, or outdoor improvements
- The availability and strength of warranties
- Insurance coverage or pending claims
- Whether the pool can remain safely usable
- The home’s price range and the importance of the pool to likely buyers
- The quality of documentation provided to future buyers
An appraiser may consider market reaction and available evidence, but the appraiser does not replace an engineer or concrete specialist. Likewise, a repair estimate does not automatically equal the exact change in market value. Cost and value are related, but they are not always identical.
Will Homeowners Insurance Cover ASR?
Coverage depends on the policy language, facts, timing, exclusions, endorsements, cause of loss, and how the claim is presented and evaluated. It would be irresponsible for a real estate broker to promise that a particular policy will or will not cover ASR.
Owners should contact their insurance professional promptly, preserve photographs and records, comply with policy requirements, and consider legal advice when a substantial claim is disputed. Buyers should not assume that their future insurance company will pay for a condition that existed before their ownership.
Insurance availability itself can also matter in a transaction. A buyer should investigate coverage early enough to understand whether the property can be insured on acceptable terms before contractual deadlines expire.
Can ASR Be Repaired, or Does the Pool Need to Be Rebuilt?
The answer depends on the diagnosis and extent of damage. Ordinary plaster cracks, tile failures, plumbing leaks, and isolated construction defects may have very different remedies from active ASR throughout a pool shell.
When the underlying concrete continues to expand, a surface-only repair may not stop the process. Some affected pools may require major structural work or replacement of the shell. The appropriate remedy should come from qualified professionals who have reviewed the actual pool, testing, and project conditions.
Homeowners should be cautious about anyone who diagnoses the pool from a photograph, guarantees an inexpensive cure without investigation, or treats every crack as proof that complete demolition is required. Both extremes can be costly.
What This Means for Austin Area Real Estate
Swimming pools are common across Austin, Lakeway, Bee Cave, West Lake Hills, Cedar Park, Leander, Round Rock, Georgetown, Dripping Springs, and other Central Texas communities. As public awareness grows, buyers are likely to ask more detailed questions about pool age, construction, cracking, repairs, warranties, and prior testing.
That does not make pools a bad investment or a feature buyers should avoid. It means pools deserve the same thoughtful due diligence we would give a foundation, roof, septic system, well, or other expensive component.
For sellers, preparation and documentation will become increasingly important. For buyers, choosing inspectors based on expertise rather than price alone may prevent an expensive surprise. For real estate agents, staying within the limits of our license matters. We can help clients organize the process, protect deadlines, and locate appropriate resources, but we should not pretend to be engineers, attorneys, insurance adjusters, or concrete scientists.
Frequently Asked Questions About Concrete Cancer in Texas Pools
Is concrete cancer the same thing as a surface crack?
No. A surface crack may be cosmetic or may reflect another type of movement or construction issue. Concrete cancer commonly refers to deterioration occurring within the concrete, often associated with ASR in the current Central Texas pool discussion.
Can I identify ASR by looking at photographs?
Photographs may help document visible conditions, but they are not a reliable substitute for an onsite evaluation and appropriate testing.
Does the pool’s construction year prove anything?
No. The year may help establish context or identify a period receiving increased attention, but it does not confirm or rule out ASR.
Should a buyer order a separate pool inspection?
For a home with a pool, a separate pool evaluation is often worth considering. The appropriate scope depends on the pool’s age, condition, documentation, and visible concerns.
Can a seller simply sell the home as is?
A seller may negotiate an as-is sale, but that does not erase applicable disclosure duties or prevent the buyer from conducting inspections and making decisions under the contract.
Does the 2026 form change mean every pool owner has concrete cancer?
No. Adding ASR to a disclosure form reflects increased awareness of the condition. It does not diagnose any individual pool.
Who should a homeowner call first?
A qualified pool professional familiar with structural pool issues may be a reasonable starting point. Depending on the findings, the owner may also need an engineer, materials specialist, laboratory, insurance professional, or attorney.
My Bottom Line
Concrete cancer in Texas pools is not something buyers or sellers should ignore, but it is also not a reason to assume that every newer pool is failing. The right response is careful investigation, accurate disclosure, qualified advice, good documentation, and enough time to make an informed decision.
If you are buying or selling a home with a swimming pool in the Greater Austin Area, we can build the right due-diligence plan around the property rather than relying on a one-size-fits-all checklist. I will help you keep the questions organized, protect the important real estate deadlines, and bring in the appropriate professionals when the answer falls outside a broker’s role.
Sources and Further Reading
- Texas REALTOR magazine, May/June 2026: 2026 Texas REALTORS forms updates
- Texas REALTORS: Updates to Texas REALTORS Forms, effective June 15, 2026
- American Society of Civil Engineers: Concrete Cancer and the Central Texas Pool Crisis
- KVUE Defenders: Reporting on concrete cancer in Central Texas swimming pools
- KVUE Defenders: ASR testing backlog and pool defect costs
