Serving Greater Boston and RI Since 1978
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Serving Greater Boston and RI Since 1978
A WDI inspection is the wood destroying insect report a lender asks for before a closing. Buono Pest Control inspects the accessible structure, documents what it finds on the NPMA-33 form, and signs the report for the file. Scheduling runs around the closing date.
A purchase agreement moves on a calendar, so the inspection has to fit the closing. A real estate termite inspection and a WDI inspection are the same visit under two names. The NPMA-33 is the form FHA and VA loan programs accept, which makes a lender request the usual reason one gets ordered.
Buono works the accessible exterior, the basement sills and joists, the crawl space, and the garage framing. Finished walls, insulation, and stored contents block the view, so the NPMA-33 carries a section for inaccessible areas. Recording those limits keeps a clean report from reading as a promise that nothing is there.
A WDI inspection works to the closing calendar, so the four stages are built around the date on the purchase agreement:
Buono books the visit against the inspection deadline in the contract, since the NPMA-33 expires ninety days after the inspection date.
The WDI inspector works the sills, joists, framing, exterior siding, and any crawl space, probing wherever moisture or earlier damage suggests activity.
Findings, conducive conditions, inaccessible areas, and any prior treatment go on the form, which the inspector signs for the lender’s file.
Where the report shows live activity, Buono quotes the treatment separately and documents the work so the lender can close on it.
Every pest problem is different. Buono identifies the source, recommends the right service plan, and stays responsive from the first call through every follow-up visit, using licensed technicians on every job.
The NPMA-33 reports on four groups of wood destroying insects, and each one leaves different evidence:

Subterranean termites reach framing through soil contact, so the inspector follows mud tubes up the foundation and sounds sills for hollow spots. Any prior treatment is recorded too.

Carpenter ants excavate galleries in damp wood instead of eating it, so the inspector checks window frames, roof edges, and framing kept wet by a leak. Coarse sawdust marks the gallery.

Carpenter bees drill clean round holes into unpainted trim, fascia, and deck rails, and repeat nesting weakens the board. The inspector notes the holes and staining below them.

Powderpost beetles lay eggs back into the same timber, so an old infestation can still be live. The inspector looks for fresh exit holes and frass in basement joists.
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Buono has inspected Belmont homes for wood destroying insects since 1978, and the same family still runs it. Every WDI inspector holds a state license and sits monthly training, which is what a signed report on a lender’s file depends on.
WDI inspections for homes in Belmont start at the sill line. Pre-war construction puts original sills close to grade on fieldstone foundations, and that stone wicks ground moisture into the framing above. Termites and carpenter ants need exactly those conditions. Finished basements complicate it, since stud walls and ceiling panels cover the framing a buyer most wants cleared. Buono records every covered area on the NPMA-33, which keeps the report defensible after closing.
A WDI inspection is a visual inspection for wood destroying insects, reported on a standard form a lender can file. A WDI home inspection is narrower than the general home inspection and runs as its own appointment. Three things tend to confuse buyers:
The letters change by region and by lender. WDI stands for wood destroying insect, WDO for wood destroying organism, and WDIR for wood destroying insect report. A WDO inspection in some states also takes in fungal decay, which is where a wood destroying organism inspection report differs. Buono completes the NPMA-33 whichever label the request arrives under. A WDI termite inspection, a WDIR termite inspection, and a WDI pest inspection all ask for the same visual work. So does a termite WDO inspection, a WDIR termite report, or a wood destroying inspection report.
The WDI inspection form is the NPMA-33, a single page that records four things:
Lenders and agents also call it the wood destroying insect inspection form. The inspector signs it, buyer and seller sign it, and the lender keeps a copy in the loan file. A WDI inspection report with no visible evidence is what most closings need.
The termite clause in real estate contracts sets who orders the inspection and by when. The buyer carries it most often, since the report goes into the buyer’s loan file. A termite inspection for real estate sale and one ordered for a refinance run on the same form, and Buono’s WDI inspection services cover both. Sellers sometimes order one before listing to take the question off the table. Landlords order them too, because termites in a rental home are the owner’s structural problem.
Ninety days. The NPMA-33 states that the report is invalid for securing a mortgage or settling a property transfer if it goes unused for ninety days after the inspection. A deal that drags past that window needs a fresh inspection.
Yes. Termites are the best known wood destroying organism, and the NPMA-33 covers them alongside carpenter ants, carpenter bees, and reinfesting wood boring beetles. WDO is the wider label, since in some states it also takes in fungal decay.
Buono inspects in Belmont, Boston, Cambridge, Newton, Watertown, Waltham, Lexington, Lincoln, Bedford, and Concord, plus the surrounding Massachusetts and Rhode Island counties. A search for a WDIR inspection near me or an insect inspection near me in those towns reaches the Belmont office at (617) 489-3008.
A termite report covers one insect. The WDI report covers four groups, termites plus carpenter ants, carpenter bees, and reinfesting wood boring beetles, which is why lenders ask for the wider version. Buono issues the NPMA-33 for either request.
No. A free estimate covers treatment work, where Buono prices a job at no charge. The WDI inspection is a scheduled, fee-based service, because it produces a signed report a lender will rely on. Call the Belmont office at (617) 489-3008 to book one.