The Inspection Report Flagged the Crawl Space. Here's What Happens Next.

A large share of the calls we take in the fall start the same way: someone is in the middle of selling or buying a house, the home inspector has been under it, and the report says some version of “recommend further evaluation by a qualified contractor.” The buyer has a due diligence deadline. The seller wants to know whether this is a shim or a new foundation. The agent wants a number on paper by Friday.

Here is how to read what the inspector wrote, when you need a structural engineer and when you don't, and how to get a crawl space problem dealt with inside the time a Triangle real estate deal actually gives you.

What the Inspector Is Telling You

A home inspector is a generalist doing a visual survey of the whole house in a few hours. Their job in the crawl space is to notice and refer, not to diagnose — which is why so many findings end in “further evaluation.” That phrase is not a verdict. It means the inspector saw something outside what they can judge from the access door with a flashlight.

The common crawl space findings, and what they usually turn out to mean:

• “Moisture noted” or “elevated moisture readings.” Damp framing or a humid space. Usually a vapor barrier, ventilation or dehumidification question, not a structural one.
• “Evidence of past water intrusion.” Mud lines, silt or stains from water that came and went. The question is where it comes from — downspouts and grading, a plumbing leak, or groundwater.
• “Microbial growth” or “possible mold.” Surface growth on joists and subfloor, almost always a symptom of humidity rather than a problem of its own.
• “Sagging,” “deflection” or “uneven floors.” Joists, girders or piers not carrying load the way they should. This is the one that tends to need an engineer.
• “Loose or missing shims,” “pier out of plumb.” Support points that have moved. Sometimes minor, sometimes the start of a structural repair.
• “Wood rot” or “wood-destroying insect damage.” Framing that has lost strength. How much it has lost is something you find out by probing the wood, not by looking at it.

When You Need an Engineer, and When You Don't

If the finding is about moisture — humidity, a torn vapor barrier, past water, surface mold — you generally do not need a structural engineer. A crawl space contractor can inspect it, tell you the cause, and quote the fix directly.

If the finding is about structure — sagging, deflection, cracked or leaning piers, foundation cracks with displacement, significant rot or insect damage in load-bearing framing — expect the buyer, the lender or the inspector to want a licensed structural engineer's evaluation. The engineer inspects, writes up what is wrong, and specifies the repair. A contractor then prices and builds that repair.

Much of our structural work starts exactly there, with an engineer's report in hand. If you already have one, send it with your request: we quote it line by line, so the repair request you attach to the deal matches what the engineer actually asked for. If you are collecting more than one quote, ask every contractor to price the engineer's scope. Quotes built to different scopes are not comparable, however different the totals look.

Fitting It Into Due Diligence

North Carolina's standard offer to purchase gives the buyer a due diligence period, and repair negotiations happen inside it. That window is the real constraint, so:

• Book the contractor as soon as the report lands. The visit itself is quick. Getting onto someone's schedule in a busy season is what takes time — and if an engineer is needed, that is a second appointment to line up.
• Ask for a written scope and quote you can attach to a repair request. A figure on a phone call does not help your agent.
• Ask whether the repair needs a permit. Structural work often does. A permit adds time before work can start, and some jobs need an engineer's letter afterwards confirming the repair was done as specified. Find out up front, not the week before closing.
• Decide early whether this is a repair before closing or a credit. A credit lets the buyer choose the contractor and the timing afterwards; a repair before closing has to fit the closing date.

If You Are Selling

Sellers are increasingly getting ahead of this: a pre-listing look at the crawl space, any repair done and documented before the house goes on the market, and the paperwork ready when the buyer's inspector writes the same finding. It takes a negotiating point off the table. Talk to your agent about what you are required to disclose — that is their territory, not ours.

What to Ask Any Contractor

• Does the written scope match the inspector's or engineer's findings item for item?
• Is a permit needed, and who pulls it?
• If an engineer has to sign off afterwards, who coordinates that?
• What is the warranty, is it in writing, and does it transfer to the buyer?
• Can you provide a certificate of insurance? Sellers and buyers' agents ask for it, and it should be easy to produce.

On warranties, since buyers ask us this constantly: our helical piers carry a lifetime warranty against further settlement that transfers to the next owner. Our other work carries a one-year workmanship warranty. Either way, get it in writing and put it in the closing file.

Triangle Reconstruction has been repairing crawl spaces and foundations across Wake and Durham counties and every county bordering them since 2012, and we work with inspection and engineering reports every week. If your report flagged the crawl space, call (919) 924-7600 and tell us your due diligence date.