Property Inspection Checklist: What Homeowners Need to Know

We may earn commission from links on this page. Lead-form submissions are forwarded to local inspector partners. How we research and review.

Buyers walk into a property inspection expecting a thorough look at the house, but few know exactly what the inspector will and will not touch. A property inspection checklist lays out the systems and components a qualified inspector evaluates, from the roof down to the foundation, so you can follow along, ask sharper questions, and read the final report with context. Knowing the scope ahead of time turns a confusing PDF into a useful decision tool.

What does a property inspection checklist cover?

A standard home inspection follows a defined scope, and the major trade associations publish standards of practice that spell it out. According to the InterNACHI and ASHI standards, an inspector visually examines the readily accessible systems of a home and reports on their condition. The checklist generally spans the roof, exterior, structure and foundation, attic and insulation, electrical, plumbing, heating and cooling, interior, and built-in appliances.

The key word is visual. An inspector reports on what can be seen and safely reached on the day of the inspection. They do not open walls, dismantle equipment, or predict future failures. The report describes the current, observable condition and flags items that are unsafe, near the end of their service life, or in need of further evaluation by a specialist. Understanding that boundary keeps expectations realistic.

The major categories on a property inspection checklist

While each inspector organizes their report slightly differently, the same core categories appear on nearly every checklist.

Roof, exterior, and structure

The inspector evaluates roofing material, flashing, gutters, and visible signs of leaks or wear. Outside, they look at siding, trim, grading, drainage, walkways, and the condition of decks and porches. Structurally, they assess the foundation, framing where visible, and signs of movement such as cracks or uneven floors. On the Front Range, expansive clay soils make foundation observations especially important, since soil movement can crack slabs and basement walls.

Electrical and plumbing

The electrical review covers the service panel, breakers, visible wiring, outlets, and the presence of safety devices like GFCI and AFCI protection. Plumbing includes supply lines, drains, water heater condition and age, visible leaks, and water pressure. Inspectors test a representative sample of outlets and fixtures rather than every single one.

Heating, cooling, and ventilation

The inspector operates the furnace and air conditioning using normal controls, checks the age and visible condition of the equipment, and notes any safety concerns. They look at ventilation in attics, bathrooms, and kitchens. In Colorado, where homes run heat for much of the year, furnace age and condition carry real weight in a buyer’s planning.

Interior, attic, and appliances

Inside, the checklist covers walls, ceilings, floors, windows, doors, stairs, and railings. The attic review looks at insulation levels, ventilation, and signs of moisture or pest intrusion. Built-in appliances are operated to confirm basic function. This category often surfaces small but useful findings, like missing smoke detectors or improperly vented exhaust fans.

Add-on inspections worth considering

The standard checklist is broad but shallow by design; it is a visual survey, not a battery of specialized tests. Several add-ons fill the gaps, and on certain properties they are worth the extra fee. Each addresses a system the general inspection touches only lightly or not at all.

A radon test belongs near the top of the list on the Front Range, where the region’s geology places much of the area in the highest radon-potential zone. The general inspection does not measure radon; a separate test does. A sewer scope runs a camera through the main line to the street, revealing root intrusion, bellies, and cracks that no surface inspection can see. On older homes with mature trees, a sewer problem discovered after closing can cost thousands, so the scope often pays for itself. Mold sampling, a wood-destroying-insect inspection, and a dedicated structural or foundation evaluation round out the common add-ons.

Deciding which to order comes down to the property. A century-old home with a basement and big cottonwoods nearby is a strong candidate for radon, sewer, and structural add-ons. A newer condo may need none. A good inspector advises on which extras the specific home warrants rather than upselling everything, and the guide to choosing a home inspection company covers how firms bundle these.

How to read severity in the report

A finished report can run dozens of pages, and the volume intimidates first-time buyers. The skill is in triage. Most inspectors flag findings by severity, separating safety hazards and major-system defects from minor maintenance items. A missing GFCI outlet near a sink is a quick, cheap fix. A roof at the end of its service life, a cracked heat exchanger, a foundation showing active movement, or aluminum branch wiring is a major-system concern that affects budget and negotiation.

Read the report twice. The first pass takes in the whole picture; the second focuses on the handful of items that carry real cost or risk. Cosmetic notes, a stained ceiling tile, a sticking door, worn caulk, are normal for any lived-in home and rarely worth negotiating over. Concentrating attention on the structural, roofing, electrical, plumbing, and HVAC findings keeps the conversation grounded in what actually matters. An inspector who explains severity in plain language, ideally on a follow-up call, turns the report from an overwhelming document into an actionable plan.

What a property inspection does not cover

Just as important as the checklist is the list of exclusions. A general home inspection is not a code compliance audit, an appraisal, or a guarantee. It typically does not include hidden conditions behind walls, the interior of chimneys and flues, or specialized testing for radon, mold, asbestos, lead, or sewer line condition unless those are ordered separately. Many of those are worth adding; a sewer scope and a radon test are common add-ons on older Front Range homes.

Inspectors also exclude anything unsafe or inaccessible to examine on inspection day. A snow-covered roof, a locked utility room, or a crawl space too tight to enter will be noted as not inspected rather than passed. For a fuller walk-through of what the day itself looks like, the related house inspection checklist guide covers what to expect, and the hiring a home inspector guide for the Front Range explains how to vet the person doing the work.

How a property inspection differs from related evaluations

Buyers often confuse a home inspection with other assessments that happen around a purchase, and the distinctions matter. An appraisal estimates the home’s market value for the lender; it is not a condition survey and will not catch a failing furnace. A code compliance inspection by a municipality checks specific work against building codes, usually after a permit, and has a narrow scope. A home inspection sits apart from both: it is a broad, voluntary condition survey performed for the buyer’s benefit, covering the systems on the checklist regardless of code or value.

Specialty inspections are narrower still. A roofer evaluates only the roof, an HVAC technician only the heating and cooling, a structural engineer only the structure. These deeper dives are exactly what a general inspector recommends when a finding warrants further evaluation. The general inspection is the wide-angle first look that tells you where, if anywhere, a specialist needs to be called. Understanding that hierarchy keeps expectations realistic: the checklist is a survey of the whole home, not a guarantee or an engineering analysis of any single part.

How to use the checklist before and after

Before the inspection, use the checklist to prepare. Make sure the inspector can reach the attic, electrical panel, water heater, and crawl space, and that utilities are on. Decide in advance which add-on tests you want, since adding them later may mean a second visit. Attending the inspection in person, if the inspector allows it, lets you ask about findings as they happen.

After the inspection, read the report against the checklist categories. Separate the safety items and major-system concerns from cosmetic notes. A handful of minor flags is normal for any home; what matters is the roof nearing replacement, the aging furnace, the foundation movement, or the electrical hazard. Use those findings to plan repairs, negotiate, or, in rare cases, walk away. The checklist is the framework that keeps the conversation organized.

A room-by-room walk through the checklist

Beyond the major system categories, it helps to picture the inspection as a physical route through the property, since that is how an inspector actually works. Most start outside and move methodically inward.

The exterior pass covers the roof from the ground or by walking it when safe, the chimney and visible flashing, the condition of siding and trim, the state of windows and exterior doors, and the grading and drainage that direct water toward or away from the foundation. Decks, porches, railings, and stairs are checked for stability and safe construction. The inspector notes attached structures like garages and any visible foundation cracks or signs of movement.

Inside, the route typically goes room by room. In kitchens, the inspector runs the faucets, checks under-sink plumbing for leaks, tests built-in appliances, and confirms outlets near water have GFCI protection. Bathrooms get a similar treatment, with attention to ventilation, caulking, and signs of past moisture. Bedrooms and living areas are checked for working windows, smoke and carbon monoxide detectors, and any ceiling or wall staining that hints at leaks above. The inspector then examines the mechanical spaces, the furnace and water heater, the electrical panel, and any laundry hookups, before finishing in the attic and, where accessible, the crawl space or basement. Seeing the inspection as this physical sequence makes the final report easier to follow, since findings are usually organized the same way.

Choosing an inspector who works the full checklist

Not every inspector covers the standard scope with equal rigor. Look for one who follows the ASHI or InterNACHI standards of practice, carries errors and omissions insurance, and provides a sample report so you can see how thoroughly they document each category. Ask whether they offer the add-on tests you need and how they handle inaccessible areas.

A strong inspector treats the checklist as a floor, not a ceiling. They photograph findings, explain severity in plain language, and distinguish a true defect from normal wear. That clarity is what turns a property inspection checklist from a generic template into a reliable picture of the home you are about to buy.

Preparing your own home for inspection

Sellers benefit from the checklist too, since knowing what an inspector reviews lets them address obvious issues before a buyer’s inspector arrives. A pre-listing walk-through of the same categories, roof, exterior, structure, electrical, plumbing, HVAC, interior, and attic, surfaces the small problems that otherwise become negotiation points. Replacing missing smoke and carbon monoxide detectors, fixing leaky faucets, clearing access to the panel and water heater, and addressing visible moisture stains are quick wins that improve how a report reads.

Access is the practical hurdle that derails many inspections. An inspector cannot report on what they cannot reach, so a seller who wants a clean report ensures the attic hatch is reachable, the crawl space entry is open, the electrical panel is not blocked by stored boxes, and utilities are turned on. A furnace that cannot be tested because the gas is off, or a roof that cannot be walked because of snow, comes back as not inspected, which leaves a buyer uncertain and can prompt a follow-up visit. Clearing these obstacles ahead of time keeps the inspection thorough and the report complete, which serves both sides of the transaction.

References

• Standards of Practice — International Association of Certified Home Inspectors
• Standard of Practice — American Society of Home Inspectors
• Buying a Home — U.S. Department of Housing and Urban Development