What to Expect When They're Inspecting: Your Home-Inspection Checklist

By Laure Justice

December 07, 2025

Before you finalize the purchase of a new home, one essential step can make all the difference: the home inspection. It’s a detailed look at the property’s structure and systems, designed to uncover issues you might not notice during a walk-through.

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Knowing what to expect from a home inspection helps you make an informed decision and avoid costly surprises later.

What Is a Home Inspection?

A home inspection is a professional evaluation of a property’s overall condition. A licensed home inspector examines all major systems, including heating, ventilation and air conditioning (HVAC), electrical, plumbing, roofing and more. This is to make sure everything is safe and in working order. The goal isn’t to call out every small cosmetic issue but to flag major ones that could affect safety, structure or value.

What Should You Expect From a House Inspection?

The inspector should provide you with a detailed written report. It should list findings clearly, include photos and highlight anything that needs repair or further review. This report becomes a helpful guide as you move forward with your home purchase.

What Are Some Reasons You Might Want or Need a Home Inspection?

A home inspection protects you from buying a property with hidden problems. It gives you a clear understanding of what you’re getting into and sometimes, what you’re not. That could mean anything from foundation cracks to electrical hazards or carbon monoxide detectors that aren’t functioning.

An inspection is especially important for older homes, where outdated systems and structural issues are more common. It can also reveal potential issues that may not need immediate attention but could become costly later. Many buyers include a home inspection contingency in their purchase contracts, which lets them renegotiate or walk away if serious problems show up. Your real estate agent can usually recommend a few trusted inspectors and explain how the process fits into your overall purchase timeline.

What Systems and Spaces Are Included in a Home Inspection?

A standard home inspection checklist covers nearly every accessible part of the house. The inspector looks at the foundation, roof, walls and ceilings for cracks or leaks that might point to structural issues. They test electrical systems to confirm they meet safety standards, including panels, outlets, switches and light fixtures.

Plumbing also gets a careful look. Inspectors test water pressure, check for leaks and inspect the water heater to ensure it’s heating properly and not showing signs of corrosion. They review the HVAC system for performance, and if the property uses one, examine the septic tank or sewage system for leaks or blockages.

Inside, they’ll inspect doors, windows, flooring, stairs and built-in appliances. Inspectors check hard-to-reach spaces like the attic and crawl space for insulation, ventilation and any signs of water damage or pests. For safety, they verify smoke detectors and carbon monoxide detectors are working.

How Much Does a Home Inspection Cost?

The average home inspection cost falls between $250 and $500 (CAD 344 to CAD 689). The price depends on several factors, such as the size, age and location of the property. Larger or older homes can take longer to inspect and often cost more.

If you choose extra services, such as mold, termite or radon testing, you can expect an additional $70 to $2,800 (CAD 96 to CAD 3,856). While it might feel like one more expense in a long list, these tests often prevent bigger problems. For example, finding out about a major foundation or roof issue before you buy could save you from a major financial headache.

How Long Does a Home Inspection Take?

Most home inspections take between two and four hours. Smaller properties may take less time, but large or older homes with more complex systems naturally take longer. A good inspector doesn’t rush. They move carefully through each part of the property to make sure nothing important is missed.

If possible, it’s worth attending the inspection in person. That way, you can ask questions, see any problem areas firsthand and learn more about how the home’s systems work. Watching the process can also help you understand what’s included in a home inspection checklist, which can be helpful when planning future maintenance.

What Do Home Inspectors Look For?

A home inspector looks for conditions that might affect the home’s safety or overall value. Water damage is typically one of the key red flags inspectors look for because it often hints at larger issues, like leaky plumbing, roof problems or poor drainage. Signs include stained ceilings or walls, warped flooring or musty smells that could suggest mold.

Structural problems are often another key focus. The inspector should check for uneven floors, cracks in the foundation or doors and windows that don’t fit properly. Electrical systems get close attention, too, because faulty wiring or overloaded circuits can pose serious hazards.

The HVAC system, water heater and plumbing are also typically tested to confirm they’re working properly. Roofs should be inspected for missing shingles or poor ventilation. Inside, inspectors normally review electrical systems, fixtures, outlets and safety devices like carbon monoxide detectors. Essentially, their goal is to identify potential issues early, before they turn into major repairs.

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Who Pays for a Home Inspection?

In most real estate transactions, the buyer pays for the home inspection. Since the results help the buyer understand the home’s true condition, it’s their responsibility to hire the inspector and cover the cost. This gives the buyer control over the timing and selection of the inspector.

That said, sellers sometimes pay for a pre-listing inspection before putting their house on the market. Doing so can reveal problems early and make the property more appealing to buyers. In competitive markets, this extra step can help a listing stand out and may even speed up negotiations. A real estate agent can help sellers decide whether a pre-listing inspection makes sense.

How to Prepare for a Professional Home Inspection

Whether you’re buying or selling, a little preparation can make the inspection smoother.

If you’re the buyer:

Get familiar with the process. Ask the inspector for details like how much it will cost and how long it takes before the appointment.
Make a checklist. Prepare a short list of questions or concerns to bring up during the visit.
Attend the appointment. This gives you a chance to ask any questions you might have.
Review the report. Make sure to ask either the inspector or the seller about any issues noted in the report.

If you're the seller:

Ensure full access. Clear the way to mechanical systems, attics and crawl spaces.
Check utilities. Confirm that water, gas and power are all on and working.
Light up the space. Replace bulbs so fixtures can be tested.
Unlock access points. Provide keys or codes for any locked areas.

Things to Look For in Your House's Inspection Report

A home inspection report might look overwhelming at first glance. These reports can contain dozens of pages with technical details and photos. Don’t panic — most reports are neatly divided by systems such as electrical, plumbing, structure, etc., that make it easier to follow the information.

Issues are usually grouped by severity. For example, you might see sections labeled “Safety concerns,” “Maintenance recommendations” or “Items functioning as intended.” Focus on anything in the first two categories first.

Clear photos and simple descriptions help you visualize the problem. If something doesn’t make sense, reach out to your home inspector. They can explain the details, clarify whether a problem is serious and give a rough idea of repair costs. Your real estate agent can also help you decide whether to request repairs or renegotiate the sale price.

Do You Need Follow-Up Inspections?

You don’t normally need a follow-up inspection, but sometimes the general inspection uncovers issues that need a specialist’s opinion. For instance, if signs of termites or other pests are found, a pest control expert should take a closer look. Suspected mold or moisture issues call for a certified mold inspector.

Homes with septic tanks often need separate septic inspections to confirm the system is in good working condition. If you live in an area where radon is common, a radon test is also a smart precaution. Radon is a naturally occurring gas that can enter homes through foundation cracks and may pose health risks over time.

Your home inspector or real estate agent can help you decide which follow-up inspections make sense for your situation. While these extra steps add a bit of time and cost, they provide valuable peace of mind before you close the deal.

Final Thoughts

A home inspection might feel like just one more box to check during the buying process, but it’s an important one. It gives you a realistic picture of the property’s condition and helps you make an informed decision. Whether you’re buying, selling or just curious about your home’s health, knowing what to expect from a home inspection makes the process far less stressful, and it can save you from costly surprises later on.

All CAD conversions are based on the exchange rate on the date of publication.

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