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Termite Inspection in St. Louis: What Inspectors Look For and When to Schedule One

A real termite inspection follows evidence, moisture and access, not a five-minute glance.

Back to Blog September 2, 2026

A termite inspection is more than a quick look at the basement. Learn what St. Louis inspectors evaluate, which warning signs matter and when to schedule service.

A termite inspection should not feel like someone walked through the basement, glanced at a few boards and called it a day. In Missouri, subterranean termites live in the soil and can reach structural wood through concealed routes, so a useful inspection has to look at the relationship between the building, the foundation, moisture and any visible evidence of activity.

For a St. Louis homeowner, that means the inspector is doing more than looking for live insects. The real job is to determine whether there are signs of current or previous termite activity, whether the structure provides easy access from the soil and whether any conditions are making the property more vulnerable.

What a termite inspector is actually trying to determine

A thorough termite inspection in St. Louis usually begins with the evidence that is visible and then works outward from there. Shelter tubes, damaged wood, discarded wings and swarmers are obvious clues, but the absence of those signs does not automatically mean the property is clear.

The inspector is also looking at how the building is put together. Wood that is too close to soil, hidden foundation transitions, damp crawl spaces, plumbing leaks and additions built at different times can all create access points that are easy for a homeowner to miss.

The goal is to leave you with a clear understanding of what was found, what could not be inspected and whether treatment or corrective work is recommended.

Where the inspection usually focuses

Basements and crawl spaces often receive close attention because they expose foundation walls, sill plates, plumbing and other areas where moisture and structural wood meet. Attached garages, porches and additions are also worth evaluating because construction joints can create less obvious routes into the building.

Outside, the inspector may look at grading, mulch depth, firewood storage, wood siding clearance and drainage. None of those conditions proves termites are present, but they help explain how easy it would be for subterranean termites to move from the soil into the structure without being noticed.

In older St. Louis-area homes, access can be especially important. Finished basement walls, stored belongings and previous renovations may hide portions of the foundation. A good report should make those limitations clear rather than pretending every inch of the building was visible.

What termite damage can look like

Termite damage is not always dramatic. Sometimes the first clue is wood that sounds hollow when tapped or feels softer than it should. In other cases, the surface may look blistered, rippled or slightly distorted while the feeding damage is occurring underneath.

Mud-like shelter tubes along a foundation or wall are another important sign because subterranean termites use them to stay protected as they travel between soil and food sources. Discarded wings near windows or doors can also indicate that a swarm has taken place inside or very close to the structure.

If you find any of those signs, photograph the area and resist the urge to tear it apart before the inspection. Preserving the location and pattern can make it easier to determine what happened.

When should you schedule a termite inspection?

Home buyers are one obvious group, but they are not the only people who benefit from an inspection. If you see swarmers, shelter tubes, unexplained wood damage or evidence of chronic moisture, there is no reason to wait for a real-estate transaction.

A periodic inspection can also make sense for properties with previous termite history, crawl spaces, recurring moisture problems or construction features that make portions of the foundation difficult to monitor.

If you are buying a home, our guide to termite inspections for St. Louis home buyers explains how the inspection fits into the larger purchase process. If you are trying to identify winged insects, compare flying ants and termite swarmers before assuming you know which pest you found.

What happens if the inspector finds evidence

Finding termite activity does not mean the house is doomed. It means the next step should be based on evidence instead of guesswork.

Around The Clock Pest Control can explain where activity was found, what conditions may be contributing and which termite treatment options make sense for the property. If visible structural damage is significant, additional repair or structural evaluation may also be appropriate after the pest issue is addressed.

The important thing is that inspection and treatment remain connected. A treatment recommendation should make sense in light of what was actually observed, not simply because termites exist somewhere in Missouri.

What to do before the inspector arrives

You do not need to prepare the house like a real-estate showing. What helps most is access and information. If possible, move stored items away from foundation walls or crawl-space entrances, mention any known leaks or previous treatment and show the inspector exactly where you noticed suspicious activity.

If you captured a winged insect or have photos of tubes or damaged wood, keep them. Those details can save time and help separate termite evidence from carpenter ant activity or moisture damage.

Frequently asked questions

How long does a termite inspection take?
It depends on the size and construction of the property, as well as how much of the foundation and structural wood is accessible. A thorough inspection should take enough time to evaluate both evidence and conditions, not simply visible rooms.

Do termites live in Missouri?
Yes. University of Missouri Extension identifies naturally occurring subterranean termites in the state.

Is a termite inspection only necessary when buying a house?
No. Homeowners can schedule one whenever they see suspicious activity, discover moisture problems or want to understand the condition of a property with previous termite history.

For termite inspection service throughout Greater St. Louis, call (314) 303-7240 or request a free quote.

Local reference: University of Missouri Extension information on subterranean termites.

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