The WDIR-100: What a North Carolina Termite Letter Really Says

The official name, the rule behind it, and who may sign

The full title is the North Carolina Official Wood-Destroying Insect Information Report, Form WDIR 100. It was adopted by the Structural Pest Control Committee and the requirement sits at 02 NCAC 34 .0602. It is the only form legal for this purpose in North Carolina, and it is required on almost every residential structure sold in the state.

It has to be issued by someone licensed by the NCDA&CS Structural Pest Control Division, or by a technician working for that licensee. A home inspector cannot sign one. That distinction catches people out here, because a home inspection and a wood-destroying insect inspection often happen in the same week and end up in the same folder.

If you have moved to Fayetteville from another state you may be looking for a different form with a different name. North Carolina does not use those. There is one form, it has one number, and asking for it by that number saves a week of email.

That single form travels well outside Fayetteville's own zip codes, since the same licensed pros we connect you with cover closings and listings out toward Raeford, where a lender working a file near the Hoke County Courthouse expects the WDIR-100 by its number, not a description. The pattern holds again toward Dunn, where an agent near the Dunn Commercial Historic District asks for the same one-page letter, and lenders as far as Erwin, close to the Cape Fear River, file it without ever seeing a different form's name.

What the inspection covers, and what accessible means

The inspection is a careful visual examination of all accessible areas, plus sounding of accessible structural members adjacent to slab areas in contact with masonry walls and other areas particularly susceptible to attack. That sentence carries more weight than it looks. Accessible sets the boundary of the entire document, and sounding is the only part of the process that finds damage inside wood whose surface looks sound.

Evidence means present and past activity visible in, on or under the structure, or in or on debris under it. A pile of dropped wings on a window sill counts. A dry mud tube on a pier counts. Frass under a joist counts. Nothing in the wording lets an inspector leave old evidence off because it looks finished.

Permanently attached decks, porches and storage sheds are part of the structure and are included. Detached outbuildings are not routinely inspected. If the workshop at the end of the drive matters to you, ask for it when you book and expect it priced as an addition.

Fayetteville's older neighborhoods and its newer subdivisions alike get the same accessibility standard applied on the WDIR-100, since the form does not bend for a crawl space that is harder to reach. The licensed pros we connect you with cover the same ground out toward Eastover, past Stedman on NC 24, and down toward Raeford on US 401, so a locked shed or a blocked hatch gets noted as inaccessible no matter which of those roads a buyer drove in on.

The insects the form names

Subterranean termites are the headline and, in North Carolina, by far the most common finding. There are at least three native species behaving in much the same way, with the eastern subterranean termite doing most of the work. Swarming here runs from late winter into September or October, in daylight, usually on warm days after rain, so an inspection in June is not out of season.

The form covers a good deal more than termites, which is one reason the termite letter nickname misleads. Powderpost beetles, old house borers and carpenter ants are commonly noted, and carpenter bees turn up as well, usually in fascia, a deck rail or a porch ceiling where bare softwood was left facing the weather.

One species you should not be seeing on a report for a house here is the Formosan subterranean termite. It was first detected in Brunswick County in 1992 in landscaping timbers and has been identified in only a few locations in the state, none of them Cumberland County, roughly a hundred miles away. If it shows up in a sales pitch about your Fayetteville home, that is marketing rather than local biology.

Wood-destroying-insect inspectors who cover Fayetteville also drive the outlying routes, and the letter's wording has to hold up on all of them. A crew checking a crawl space off Dunn Road near Godwin, or a slab foundation out past Wade toward Old Bluff Presbyterian Church, is looking at the same form and the same limited list of species, regardless of how far the address sits from town. Distance changes the drive, not the biology the letter is allowed to name.

Conditions conducive, and the 20 percent number

Conditions conducive to subterranean termites must be reported. This is the part of the form that changes what you actually do next, because a condition is something you can correct, usually for less than a treatment costs.

• Wood in direct contact with soil
• Cellulose debris under the structure, including scrap and old form boards
• Excessively wet wood, meaning a moisture content of 20 percent or greater
• Insufficient clearance between wood and soil
• Excessive crawl space moisture
• Construction flaws
• Improper grading that runs water toward the structure

What the form does and does not cover

Wood-decay fungi may also be listed as a conducive condition, and the difference there is worth holding on to: the presence of the fungi can be listed, while the damage it has done is not part of the report at all.

The 20 percent figure is worth writing on the back of your hand. It is measured rather than judged, and it is the line at which wood is called excessively wet on a North Carolina report. In the Sandhills that matters more than it sounds, because the surface drains fast while the ground beneath holds damp, so a crawl space can sit above that number for months under a yard that looks bone dry.

Why nobody should be chasing a clear report

This is the most useful thing NCDA&CS publishes on the subject and almost nobody in this market repeats it: a clear report is not to be sought and is not required to close. The reason given is straightforward. Most North Carolina homes over 10 to 15 years old will show some evidence of wood-destroying insects.

Which makes a report with entries on it the normal outcome rather than a red flag. A 1970s ranch in Haymount with an old mud tube on a pier and a note about mulch against the siding is an ordinary house, correctly reported. Treat that document as a failure and you will spend real money proving nothing.

The pressure to produce a clean sheet has an ugly end. Issuing a later report showing no evidence, after evidence was found, violates the rules and could be considered fraud. If somebody offers to take another look and write it up more helpfully, that is the offer being made, and it puts the license of the person signing at risk along with your transaction.

Not a warranty, and clearance letter is wrong twice

Two nicknames follow this form around and both mislead. Clearance letter is wrong twice over, because the form clears nothing and because it covers more than the thing people mean by clearance. Termite letter is wrong because the report names beetles, borers, ants and sometimes bees as well.

It is also not a warranty. A report describes what an inspector saw on one day. A warranty is a separate written agreement with obligations in it, and in North Carolina that agreement has to carry the license number and phase, a foundation diagram marked active or inactive, the location of visibly damaged timbers, whether re-inspections happen and at what interval, the conditions for re-treatment, and the total price.

When a treatment is done, a copy of that written agreement and warranty must be attached to the report. If you are handed a WDIR-100 that references a treatment with nothing attached, the file is incomplete, and the missing pages are the only ones with obligations in them.

Timing, and why there is no expiry date to quote

Nothing in the state's material puts a validity period on this form. If you have heard that these reports expire after thirty days, that is another state's rule for another state's paperwork. Do not repeat it and do not pay for a second inspection because somebody told you a clock ran out.

The reason a buyer or lender might still want a fresh look has nothing to do with paperwork. Termites need a crack of about 1/32 inch and build shelter tubes at roughly two and a half inches an hour, so a structure with conditions conducive left uncorrected can produce visible evidence within days of an inspection that found none. The document does not go stale. The house changes.

A workable sequence for a sale here: book the report early, read the conditions printed on the reverse, get any treatment proposal in writing with the warranty type stated on it, and keep every page together. A complete file is worth more at the closing table than a short one.