What to Expect During a Home Inspection: A Step-by-Step Walkthrough

Buying a home is one of the biggest decisions you'll ever make — and the home inspection is often the moment reality meets the listing photos. For many buyers, especially first-timers, the inspection can feel like a mystery: a stranger walks through your soon-to-be home for two or three hours, disappears into the attic and crawl space, and hands you a report that's sometimes 40 pages long.

Here's exactly what happens, from the moment your inspector arrives to the moment you get your report — so you can walk in knowing what to expect.

Before the Inspection: Scheduling and Prep

Once your offer is accepted, your inspection is typically scheduled within your contract's inspection contingency window — often 5 to 10 days. A standard inspection usually takes two to four hours depending on the size and age of the home, so plan accordingly if you intend to attend.

A few things worth doing beforehand:

• Make sure utilities are on. Inspectors need working water, electricity, and gas to test systems like the furnace, water heater, and plumbing fixtures.
• Clear access points. If the electrical panel, attic hatch, or water heater closet is blocked by furniture or storage, ask the seller to clear a path.
• Decide if you're attending. You're not required to be there, but most experienced buyers recommend it — more on why below.

Step 1: The Exterior Walkthrough

Most inspectors start outside, working their way around the perimeter of the home. This is where they assess:

• Roofing — shingle condition, flashing, gutters, and downspouts (often viewed from a ladder or, on steeper roofs, with binoculars or a drone)
• Siding and trim — cracks, rot, peeling paint, or signs of water intrusion
• Foundation — visible cracks, settling, or drainage issues
• Grading and drainage — whether the ground slopes away from the house (critical for keeping water out of the basement or crawl space)
• Windows and doors — proper sealing and function
• Decks, porches, and railings — structural soundness and code-relevant safety issues like railing height and spacing

Step 2: The Structural and Systems Check

Next, the inspector typically heads underneath and above the home — the parts most buyers never see.

Attic: Insulation levels, ventilation, signs of roof leaks, and evidence of pests are all checked here.

Crawl space or basement: This is where inspectors look for moisture intrusion, foundation issues, exposed wiring, and the condition of the vapor barrier and insulation. It's also a common spot to find evidence of past water damage or pest activity.

Electrical panel: The inspector opens the panel to check for proper labeling, outdated wiring (like aluminum or knob-and-tube), signs of overheating, and whether the panel itself is a type known for reliability issues.

HVAC system: Furnaces, heat pumps, and air conditioning units are tested to confirm they turn on, reach appropriate temperatures, and don't show signs of poor maintenance or damage.

Water heater: Age, signs of leaking or corrosion, proper venting, and whether it meets current safety standards (like having a temperature-pressure relief valve routed correctly).

Plumbing: Inspectors run water at every fixture, check for leaks under sinks, test water pressure, and look at visible supply and drain lines for corrosion or damage.

Step 3: The Interior Walkthrough

Room by room, the inspector checks:

• Walls, ceilings, and floors for cracks, water stains, or unevenness
• Windows and doors for proper operation and sealing
• Outlets and switches, often tested with a simple plug-in tester for correct wiring and GFCI protection where required
• Smoke and carbon monoxide detectors
• Fireplace and chimney, if applicable, for basic safety and function (a deeper flue inspection is a separate, specialized service)
• Signs of past or active pest activity

Step 4: Testing Appliances (If Included)

Depending on the scope of your inspection, built-in appliances — the dishwasher, oven, range, garbage disposal, and sometimes the washer and dryer — may be tested for basic function. This isn't a deep dive into every appliance's condition, but it will catch things like a dishwasher that doesn't drain or a range that doesn't heat.

Step 5: The Inspector's Summary and Report

Many inspectors offer a brief verbal walkthrough of major findings at the end of the visit — this is one of the best reasons to attend in person. You can ask questions in real time, see issues firsthand, and get a sense of severity that's sometimes hard to gauge from a written report alone.

Within 24 to 48 hours, you'll typically receive a full written report, often with photos, that categorizes findings by system and sometimes by severity (safety issue, major concern, minor/cosmetic). This report becomes the basis for any repair requests or price negotiations with the seller.

Should You Attend Your Inspection?

You're not required to, but there are real advantages:

• Context matters. Seeing a hairline foundation crack in person, with the inspector explaining why it's likely just cosmetic settling, is far more useful than reading "minor crack noted" in a report.
• You can ask questions on the spot — about maintenance, what a repair might cost, or how urgent an issue really is.
• It's a crash course in your future home — where the water shutoff is, how the furnace filter comes out, what that mystery switch in the garage actually does.

If you can't attend, a thorough written report with photos and a follow-up phone call with your inspector is a solid substitute.

What Happens After the Inspection

Once you have your report, you and your agent will typically decide whether to:

1. Move forward with the purchase as-is
2. Request specific repairs from the seller
3. Negotiate a price reduction or credit in lieu of repairs
4. In rare cases, walk away from the deal if issues are severe and unresolvable within your contingency period

It's worth remembering: no home is perfect, even new construction. The goal of an inspection isn't to find a flawless house — it's to make sure you understand exactly what you're buying, so there are no expensive surprises waiting for you after closing.

Have questions about what a home inspection covers, or ready to schedule one? Oregon NW Home Inspections is happy to walk you through the process before, during, and after your inspection.