During a termite inspection, a licensed inspector conducts a systematic interior and exterior evaluation of your home — checking baseboards, window casings, crawlspaces, the attic, garage walls, and foundation perimeter for mud tubes, frass, hollow-sounding wood, moisture intrusion, and swarm evidence. Most residential inspections take between 45 minutes and two hours, depending on home size and what the inspector discovers along the way. Standard inspections cost $75–$325 nationally, with a commonly cited average near $100, though major companies including Terminix and Orkin routinely offer the initial visit at no charge.
The "free inspection" is a genuine service, not a bait-and-switch — but it is performed by someone who earns revenue from selling treatment. That distinction matters most when a third party needs documentation. If you are buying or selling a home and a lender requires an official report, the document you need is the NPMA-33 Wood Destroying Insect (WDI) form, which is legally separate from a courtesy visit and typically costs $100–$200 when issued by a state-licensed inspector for mortgage purposes.
To prepare, clear two feet of space from garage walls, unblock the crawlspace access door, and remove stored items obstructing the attic entry. Note any specific areas where you have already spotted damage — sharing that information at the door focuses the assessment immediately.
If the inspector finds active activity, you will receive a written report detailing what was observed, where, and what treatment approaches fit the situation. The inspection itself does not obligate you to any service or contract.
A thorough inspection covers every accessible area: foundation perimeter, attic, crawlspace, interior baseboards, window sills, door frames, under-sink cabinetry, and exterior yard features including woodpiles, fences, and deck framing. Any area the inspector could not access must be noted explicitly in the written report — a blank field is not the same as a clean finding.
What Termite Inspectors Are Actually Looking For
Inspectors are trained to read species-specific physical clues, and the evidence they prioritize shifts depending on which termites are active in your region. For eastern subterranean termites (Reticulitermes flavipes) — the most destructive structural pest in the United States — inspectors target pencil-thin mud tubes running along foundation walls and slab edges. Subterranean termites cannot survive open-air exposure, so these shelter tubes are the diagnostic signature of an active or recent colony. For Formosan subterranean termites (Coptotermes formosanus), the most voracious species, inspectors pay particular attention to above-ground moisture sources, since Formosan colonies can establish satellite nests entirely above the soil line given sufficient water access.
For drywood termites (Incisitermes minor), inspectors look for frass — small, pellet-shaped fecal deposits that accumulate beneath kick-out holes in infested wood — and examine exposed attic beams, door frames, and furniture that never contacts soil. Discarded termite with wings found near windowsills or light fixtures signal a recent swarm, meaning an established colony reproduced within or near the structure. Inspectors also probe suspect wood with a blunt instrument and use moisture meters to locate damp zones behind walls or under floors, since moisture is the critical common variable across nearly every termite species.
Free Inspection vs. Independent WDO Report: What's the Difference?
The line between a complimentary inspection and a formal Wood Destroying Insect report is legal, not cosmetic. A free inspection from a pest control company is a professional courtesy assessment — no standardized documentation is required, and its purpose is to identify whether a problem exists. A formal WDI report filed on the NPMA-33 form is a legally recognized document accepted by FHA, VA, HUD, and conventional lenders nationwide for mortgage transactions. It can only be issued by a licensed inspector holding a wood-destroying organisms certification in your state, and it costs $100–$200 in most markets.
For routine homeowner peace of mind — an annual check with no pending sale or loan — a complimentary inspection from a reputable pest control company is appropriate and cost-effective. For any real estate transaction, refinance, or government-backed loan where a lender will require documentation, the NPMA-33 is the non-negotiable deliverable. To understand the full cost picture if treatment follows the inspection, see termite pest control price for a breakdown of what different treatment types run in the current market.
What the NPMA-33 Report Contains — and What to Do With It
The NPMA-33 is a four-category standardized document, not a simple pass/fail letter. According to the National Pest Management Association, which administers the form, inspectors must report on: (1) evidence of live termite or wood-destroying insect activity, (2) evidence of past infestation, (3) visible structural damage from wood-destroying organisms, and (4) previous treatment history if observable. A fifth notation documents inaccessible areas that could not be evaluated on the inspection date.
The report covers what was visible and accessible — it is not a structural engineering assessment, and it does not guarantee that no termites are present in sealed or obstructed spaces. If your report shows past damage without current activity, a prior infestation was addressed; the question to ask is whether that treatment included a bond or warranty still in effect. If the report documents live evidence, most lenders will require treatment before proceeding. One state-specific note: South Carolina's equivalent form, the CL-100, expires 30 days after the inspection date — shorter than any other state's validity window.
What Drives the 45-Minute to 2-Hour Range
Inspection duration is determined by four measurable variables, not by how quickly an inspector walks through a property. Home footprint is the primary driver: a 1,200-square-foot slab-on-grade home with accessible attic and no separate outbuildings can be thoroughly evaluated in under an hour. A 3,000-square-foot two-story home with a pier-and-beam foundation, attached garage, wood fence line, and landscaping in contact with the foundation approaches the two-hour mark reliably.
Crawlspace and attic accessibility add approximately 20–30 minutes each when access requires repositioning equipment or navigating a tight entry. Discovery also expands time: when an inspector locates active mud tubes or frass mid-inspection, they must trace the extent of activity rather than complete a standard checklist route. Finally, documentation format matters — a formal NPMA-33 with photographs and written findings takes longer to complete on-site than a verbal courtesy report. An inspection of a standard single-family home that wraps up in under 30 minutes, without accessing the crawlspace or attic, should prompt direct follow-up questions about what was skipped.
How to Evaluate Whether Your Inspector Was Thorough
A complete residential inspection has six observable coverage markers you can verify yourself. Per NPMA inspection standards and state licensing requirements, every accessible area in the following list must be documented: (1) all four sides of the exterior foundation perimeter, (2) the crawlspace or basement if accessible, (3) the attic if accessible, (4) interior baseboards and door and window frames in every living space, (5) under-sink areas in kitchens and bathrooms, where plumbing penetrations through the slab are common subterranean entry points, and (6) exterior harborage conditions including wood-to-soil contact, mulch against the foundation, and any attached structures.
Beyond area coverage, a professional inspector should note what tools were used. Moisture meters and, when visual access is limited, infrared thermal imaging cameras are standard for detecting hidden activity without destructive opening of walls. If any area was inaccessible, the written report must state that explicitly with the reason. An inspector who skips the crawlspace, produces no written documentation, and completes a 2,500-square-foot home in 15 minutes has not performed a professional inspection under any standard that would satisfy a lender or an Integrated Pest Management (IPM) protocol.
How Often Should You Schedule a Termite Inspection?
Annual professional inspection is the baseline recommendation for virtually all U.S. homes, with higher-risk properties warranting no extension beyond that cycle. According to a 2024 Harris Poll commissioned by the National Pest Management Association, only 27% of U.S. property owners had ever had a professional termite inspection — meaning most homes are operating without any established baseline. The NPMA estimates that termites cause $6.8 billion in property damage annually in the United States, with the majority of that damage undetected until it is structurally significant.
Texas and the Gulf Coast fall within the "moderate to heavy" termite pressure zone recognized by HUD and VA lending guidelines. Orkin's 2025 Termite Cities data, based on 2024 treatment records, placed Houston in the national top 10 for the first time and saw Waco and Oklahoma City appear on the top 50 list for the first time in the report's history — a pattern consistent with expanding subterranean termite range under warmer annual temperatures.
If you have noticed any of the sounds of termites — a faint clicking or hollow reverb inside wall voids when knocking on baseboards — or observed mud tubes, frass accumulation, or swarm wing deposits, a professional inspection should not wait for the next annual window.
When Scheduling an Inspection Becomes Urgent
A termite inspection moves from routine to time-sensitive when specific conditions are present. Match each of the following against your current situation:
- You have not had a professional inspection in the past 12 months, and your home is in a south-central Texas or Gulf Coast county
- You have observed mud tubes — even a partial or broken section — on any exterior foundation wall
- Interior wood surfaces such as baseboards, door frames, or windowsills sound hollow when tapped
- You have found discarded swarm wings near windows, doors, or interior light fixtures in the past 60 days
- Your home has active wood-to-soil contact: siding that touches the ground, deck posts buried directly in soil, or firewood stored flush against an exterior wall
- A crawlspace or basement area has visible moisture staining, standing water, or surface mold on structural framing members
If two or more of the above match your situation, the standard 12-month inspection timeline no longer applies — the appropriate action is scheduling within the week.
Pest control companies san antonio can conduct a formal NPMA-33 inspection and document findings before any treatment is recommended, giving you a clear, lender-acceptable record of your property's condition. If you are in the greater Austin metro, termite control round rock tx covers Williamson County properties in the same high-pressure subterranean termite zone.
FAQ
Q: Can a general home inspector find termites, or do I need a specialist?
A: A licensed home inspector is trained to flag visible signs of wood-destroying insects, but is not authorized to issue a WDI report (NPMA-33) in most states. If a home inspector notes possible termite evidence during a general inspection, a separate evaluation by a licensed pest control professional is required — and will be required by most lenders — before a real estate transaction can proceed.
Q: What is a WDO inspection, and is it different from a termite inspection?
A: A Wood Destroying Organism (WDO) inspection is broader than a termite-only check. It covers termites, carpenter ants, carpenter bees, wood-boring beetles, and wood decay fungi. The WDO report — filed on the NPMA-33 form and costing $100–$200 in most markets — is the document FHA, VA, HUD, and most conventional lenders require for mortgage transactions, not a general pest control company's courtesy report.
Q: Does homeowners insurance cover termite inspection or treatment costs?
A: Standard homeowners insurance policies do not cover termite inspection fees or treatment costs. Because termite damage is classified as a preventable maintenance issue rather than a sudden accidental loss, insurers universally exclude it. This makes annual professional inspection and proactive Integrated Pest Management the most cost-effective financial protection available to homeowners in high-risk regions.
Q: How do I know if I have drywood versus subterranean termites?
A: Subterranean termites (Reticulitermes flavipes and Coptotermes formosanus) must maintain soil contact and produce visible mud tubes. Drywood termites (Incisitermes minor) live entirely within wood, require no soil contact, and leave frass — small, hexagonal pellet-shaped droppings — near kick-out holes in infested wood. Treatment approaches differ significantly between species: subterranean termites typically require soil barrier or bait-station systems, while drywood infestations may require localized spot treatment or whole-structure fumigation depending on extent.
Q: How long is a termite inspection report valid?
A: Validity depends on the purpose and the state. For real estate transactions in most states, a WDI report (NPMA-33) is valid through closing with no fixed expiration date, though lenders may require a recent report dated within 90 days. South Carolina is the notable exception — its CL-100 inspection report expires 30 days after the inspection date, the shortest validity window in the country (HomeAdvisor/Angi, 2026).
Quick Reference: Termite Inspection
- A professional termite inspection covers the foundation perimeter, attic, crawlspace, interior baseboards and door and window frames, under-sink areas, and exterior harborage conditions — any accessible area not documented should be flagged in the written report.
- Inspection duration runs 45 minutes to 2 hours for a standard residential property; duration is driven by home footprint, crawlspace and attic accessibility, mid-inspection discoveries, and whether a formal NPMA-33 report is being completed on-site.
- Standard inspections cost $75–$325 nationally (average ~$100); complimentary inspections from pest control companies are legitimate but do not produce the NPMA-33 WDI document required for FHA, VA, HUD, and most conventional lending transactions.
- The NPMA-33 report covers four legally defined categories: live insect activity, evidence of past infestation, visible structural damage, and prior treatment history — it is not a structural engineering report and does not assess areas that were inaccessible on the inspection date.
- According to a 2024 Harris Poll commissioned by the NPMA, only 27% of U.S. property owners had ever had a professional termite inspection — meaning the majority of homes have no documented baseline.
- Termites cause an estimated $6.8 billion in property damage annually in the United States, almost always going undetected until the damage is structurally significant (NPMA, 2024).
- Annual inspection is the standard recommendation for all U.S. homes; properties in Texas, the Gulf Coast, and the southeastern U.S. should treat 12 months as the hard outer limit, not a flexible target.
- If two or more urgent signals are present — active mud tubes, recent swarm wing deposits, hollow-sounding interior wood, or active wood-to-soil contact — schedule a professional inspection within days rather than the next annual cycle.