Inspection with a WDI report
A full inspection ending in a written report completed by a licensee. This is the version tied to the state's 7-day and 30-day deadlines, and the one to ask for when a document is needed.
Arizona wood-destroying insect inspections and WDI reports: who may write them, what is checked and the deadlines that follow.
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A termite inspection in Phoenix is a technician's examination of a building for wood-destroying insects, and the written WDI report must be done by a licensee in the right categories and kept on file within 7 days. A Termite Action Report Form follows within 30 days. Phoenix Pest Control answers 24/7 and connects you with an independent local company.
Most trades sell a service. Termite inspection in Arizona also produces a document, and the document has rules. A wood-destroying insect (WDI) report can only be completed by someone licensed in the right categories, and the state sets deadlines for filing it. That makes this the most paperwork-heavy visit a pest company makes.
This page is about the inspection and the record it creates. If you have already found termites, the next step is covered under termite control. If you are building, the rules that come earlier are on the pre-construction treatment page.
A licensee in the right categories, with 5 hours of report instruction, must do an Arizona WDI inspection report, and the report must be kept on file within 7 days. The Arizona Department of Agriculture's Pest Management Division regulates licensing, and licences are issued by category.
The Pest Management Division's licence categories are numbered, and which category covers which kind of work is not something this site can confirm. What you can do is ask the company to name the licence it holds and tell you what it covers.
That question is routine and fair. A company that does this work regularly has the answer ready, and it is the simplest way to check you are not paying for a report that someone unqualified wrote.
The inspector examines the accessible parts of the building for evidence of wood-destroying insects: foundation edges, garage walls, window and door frames, eaves, and wood in contact with soil. The report records what was found and also what could not be inspected because it was hidden or blocked.
Typical stops are the slab edge and stem wall, where a mud tube would show, the garage, where stored items often block walls, and the roof edge, where eaves and fascia meet the framing. Much of the work is patient looking, with a flashlight, and noting what the surfaces tell the inspector.
Areas that cannot be reached are part of the record too. If a wall is covered by a wardrobe or an attic is not accessible, the report says so rather than implying the area was clear.
If a listed treatment follows an inspection, such as pretreatment, new-construction treatment, final grade treatment or initial corrective treatment, a Termite Action Report Form is filed within 30 days. The WDI report itself is kept on file within 7 days, so two separate deadlines apply.
The two deadlines sit side by side but they are different documents. One records what was found, the other records what was done about it. They are the company's responsibility, not yours, but you can ask when each was completed.
A report is a snapshot. It describes the building on the day it was inspected, not a promise about what happens next. That is why the monsoon, with its July to September swarm season, is a good reminder to look again.
Book one after any swarm, when you find mud tubes or damaged wood, or when a transaction calls for a WDI report. Desert subterranean termites swarm from July to September after monsoon rain and drywood termites from June to August, so late summer is when many Phoenix homeowners notice something.
Waiting until the next monsoon is a mistake, because swarm evidence is easy to lose. Wings get swept up and windowsills get cleaned, so the sooner a technician is called, the more there is to examine.
Our guide to termite swarms after monsoon explains what to keep and how to collect it before the visit.
Clear access to the garage walls, the base of exterior walls and any attic or crawl openings, and move stored items back from the walls the inspector will want to see. Gather anything you have found, and write down when you saw it. Do not spray or treat beforehand, since that can hide evidence.
Anything stacked against a wall is a place the inspector cannot see, and the report will say so. A clear garage and a few feet of open space beside the foundation make the report more complete, and a more complete report is more useful to you.
Have your notes ready: swarms and when, past treatments and who did them, repairs to wood or trim, anything that changed after storms. If you have earlier paperwork, such as a previous report or a Termite Action Report Form, hand it over. The inspector can compare it with what the structure shows today.
Do not remove or sweep up evidence before the inspector sees it, and do not tear into walls or trim to look for damage yourself. Do not skip the licence question: ask the company for its Arizona licence details before you book.
Arizona requires a WDI report to be done by a licensee in the right categories, with 5 hours of report instruction. You can ask the company for its licence details before the visit.
The inspector asks about swarms, past treatments, repairs and anything you have noticed, because the history tells them where to look first.
The inspector checks accessible areas inside and out, including foundation edges, garage walls, window and door frames, eaves and any wood touching soil, and records what is visible and what is not accessible.
The findings go into the WDI report, which must be kept on file within 7 days. If a listed treatment follows, a Termite Action Report Form is filed within 30 days.
You get a plain-language walk-through of the findings, what they mean and what, if anything, is recommended. Treatment, if needed, is quoted separately and approved before it starts.
A full inspection ending in a written report completed by a licensee. This is the version tied to the state's 7-day and 30-day deadlines, and the one to ask for when a document is needed.
A targeted visit after winged insects appear, usually between June and September. The inspector identifies the insect, looks for the colony's route and tells you whether treatment is advisable.
If a house has been treated before, an inspector looks at the evidence of earlier work and what the structure shows now. It can lead to a termite control quote or to a clean report.
No Arizona price for an inspection or a WDI report on its own was found in a named cost publication, so none is printed here. One Fixr range includes a basic inspection, and it is quoted below so you can see where inspection sits inside a treatment price.
| Job | Typical range | What it includes |
|---|---|---|
| Termite treatment, Arizona, typical 2,500 sq ft home (basic inspection + barrier) | $300 to $1,250 | Fixr, includes a basic inspection plus a barrier; it is not a price for a report alone |
| Size and access of the building | Quoted on site | a larger house, a crowded garage or restricted access to framing adds time |
| Report and filing | Quoted on site | the written WDI report is priced as part of the inspection, so ask what is included |
| Follow-up treatment | Quoted on site | if activity is found, treatment is a separate quote approved before it starts |
Estimates for Phoenix and Maricopa County in 2026. Your exact price is confirmed on site before any work starts.
Tell us what's happening and we'll tell you honestly whether it's a quick fix, and what termite inspection & wdi reports should cost.
Arizona's wood-destroying insect rules are specific, and they are what makes this page different from a termite page in most states. The report has to be done by a licensee in the right categories, the report must be kept on file within 7 days, and the Termite Action Report Form is due within 30 days of listed treatments. Those details come from Arizona Department of Agriculture documents.
Phoenix gives the inspection a seasonal rhythm. Drywood swarms run from June to August on sunny days, and desert subterranean swarms from July to September after rain. A house in Encanto-Palmcroft, with 1930s and 1940s construction on large lots, and one in a newer Laveen subdivision may call for the same visit, though the technician will tell you what each building needs.
Sources do not give a Phoenix price for an inspection or a report, or a count of homes that have been inspected, so neither is quoted here.
Treatment for desert subterranean and drywood termites in Phoenix homes, with Arizona price ranges and what a technician does.
A horizontal soil barrier before the slab is poured, a vertical barrier in critical areas and the Arizona report that follows.
Closing the cracks, eave gaps, vents and pipe openings that let scorpions, roof rats and roaches into a Phoenix home.
Not sure if you're covered? Check your ZIP code.
Desert subterranean termites swarm from July to September after monsoon rain, and dark western drywood termites swarm from June to August on sunny days.
Arizona structural pest control is regulated by the Arizona Department of Agriculture's Pest Management Division.
An inspection is the visit. The WDI report is the written record that follows it, and in Arizona it must be done by a licensee in the right categories and kept on file within 7 days. You can have an inspection without needing a report, but a report always needs an inspection.
Yes, and in many cases the same technician does both. If treatment follows, a Termite Action Report Form is filed within 30 days. Ask the company to explain what the report says before agreeing to treatment, and to quote the treatment separately.
No. A report describes what the inspector could see and reach on the day. It is a snapshot, and areas that could not be inspected are noted in it. It cannot predict what happens after the next monsoon, so a recheck after a swarm is sensible.
It varies with the size of the house and how much of it the inspector can reach. A technician can tell you after hearing about your home. Clearing access to the garage and any wall edges before the visit helps the inspector work more thoroughly.
Gather anything you have found: a jar of insects, photographs of mud tubes, notes on when you saw a swarm. Clear a path to the garage walls and the base of the exterior walls. Do not spray anything beforehand.
This site cannot confirm what a lender or buyer will require, and Arizona homeowner disclosure rules were not confirmed either. Ask the lender, agent or buyer what they need, then tell the company so the inspection and the paperwork match.
Yes. New-construction treatment and final grade treatment are among the events that trigger a Termite Action Report Form within 30 days. The rules for building are on the pre-construction termite treatment page.