Inspection Tool Kits: The Home Inspector Tools List

Short answer: A working home inspection tool kit covers seven jobs: seeing (flashlights, mirror, binoculars), opening and measuring (screwdrivers, tape, thermometer), testing electrical (a receptacle tester with a GFCI button and a non-contact voltage tester), finding moisture (a moisture meter, often with a thermal camera), reaching (ladders, sometimes a drone), protecting yourself (respirator, gloves, eye protection), and recording (a phone or tablet running your inspection software). Buy the basics first, then add specialty tools as you add services.

Every inspector's bag looks a little different, and forums will argue about brands forever. This list does not rank brands. It sorts the tools by the job they do, says what each one is for, and points out where the standards of practice require a tool, where they do not, and where the law cares what you carry.

Start with what the standards ask for

The standard you inspect to decides the minimum kit. The standards are mostly silent on tools, with a few exceptions worth knowing.

• InterNACHI requires you to inspect all ground-fault circuit interrupter receptacles and breakers observed and deemed to be GFCIs "using a GFCI tester, where possible," and to test AFCI-protected receptacles using the AFCI test button. So a GFCI tester is part of the minimum kit for InterNACHI inspectors.
• InterNACHI also says the inspector is not required to operate "moisture meters, gas detectors or similar equipment." Useful tools, not mandatory ones.
• ASHI requires you to inspect the "interior components of service panels and subpanels," which in practice means removing the panel cover. That makes the right screwdriver a working requirement. InterNACHI, by contrast, says the inspector is not required to remove panelboard cabinet covers or dead fronts.
• Texas (TREC) says an inspection "requires the use of reasonable and appropriate tools," but does not require specialized equipment, and lists thermal imaging, moisture meters, gas or carbon monoxide detection equipment, ladders reaching over one story, sewer cameras and drones as examples.

If you inspect in a licensed state, read your state's standards of practice before you buy anything. For the full list of what the standards exclude, see what home inspectors are not allowed to do.

The home inspector tools list at a glance

Basics: the tools you use on every inspection

Flashlights. A bright main light and a spare. Crawlspaces and attics are where batteries die, and a dead light ends the inspection of that area.

Inspection mirror. For behind water heaters, under sinks, behind toilets and above doors you cannot get your head around.

Binoculars. InterNACHI has you inspect the roof "from ground level or the eaves" and does not require you to walk on it. When you do not go up, binoculars are how you see the covering.

Screwdrivers and nut drivers. For panel covers and access panels. Keep a non-conductive handle on the ones that go near the panel.

Tape measure and level. For stair risers, handrail heights, clearances and sloping floors you want to describe with a number rather than an adjective.

Thermometer. Many inspectors use a probe or infrared thermometer to note supply and return air temperatures when they run the HVAC. Note the standards do not require you to determine capacity or efficiency, so report the reading as an observation.

A probe or awl, used carefully. ASHI says the inspector is not required to "probe surfaces that would be damaged or where no deterioration is visible or presumed to exist." A probe is for soft wood you already suspect, not for making holes in sound trim.

Electrical testers

Electrical is where a small tool does a lot of work.

Receptacle tester with a GFCI test button. Plugs into an outlet and shows whether the wiring pattern looks correct, and the button tries to trip the GFCI. InterNACHI's report-as-needing-correction list for receptacles covers no power, incorrect polarity, missing cover, GFCIs that are not properly installed or do not operate, evidence of arcing or heat, ungrounded receptacles and receptacles not secured to the wall. A plug-in tester checks several of those at once. Read the manufacturer's instructions for what your tester can and cannot detect, and report what it showed rather than what it implies.

Non-contact voltage tester. A pen-sized tester that signals when a conductor is live. Inspectors use it before touching anything metal near a panel, on light fixtures, and on anything that looks wrong.

The AFCI button. No extra tool needed. InterNACHI asks you to test AFCI-protected receptacles with the device's own test button, where possible.

Treat panel work as the most dangerous minute of the day. Dry hands, dry footing, one hand where you can, and no probing inside the panel. InterNACHI says the inspector is not required to insert any tool, probe or device into the panelboard, and there is no reason to.

Moisture meters

A moisture meter is the tool that turns "possible leak" into "elevated moisture at the base of the shower wall." There are two main types, and many inspectors carry one meter that does both.

The manufacturer Delmhorst describes the pinless meter as suited to "initial screening of large areas" and the pin meter to "targeted and precise measurements," and recommends a combined approach. That is also how most inspectors use them: scan wide with pinless, confirm with pins.

On "the best moisture meter for home inspectors": we do not rank brands, and the right answer depends on what you inspect. Ask three questions of any meter. Does it read in both modes? Does it read on the materials you see most (drywall, wood, subfloor, masonry)? Can you read the display in a dark crawlspace?

Thermal cameras

A thermal camera shows surface temperature, and that is all it shows. The manufacturer Teledyne FLIR puts it directly: thermal cameras "cannot see through walls," but "if something inside the wall causes enough of a temperature difference, a thermal imager will be able to sense it on the surface of the wall."

That is why the camera and the moisture meter work as a pair. The camera finds a cool patch on a ceiling. The meter tells you whether it is wet or just an air leak. The ASTM standard for thermographic inspection of insulation, C1060, makes a similar point in its scope: proof of missing insulation "requires independent validation."

Two practical notes:

• Conditions matter. You need a temperature difference to see anything. A mild day with the HVAC off can make a camera almost useless for some findings.
• Training matters more than resolution. Misreading a thermal image is an easy way to write a finding you cannot defend. If you plan to sell thermal imaging as a service, look at thermography certification, and see our guide to choosing a thermal imaging camera.

Ladders

Most inspectors carry a telescoping or articulating ladder for roofs and attic hatches, and many add a small step ladder for ceilings and garage attics.

OSHA's ladder rules are written for employers, but they are a sensible standard for anyone climbing for a living. Under 29 CFR 1926.1053:

• A ladder used to reach an upper landing should extend at least 3 feet above it.
• A non-self-supporting ladder should be set so the base is about one-quarter of the working length out from the top support.
• The top or top step of a stepladder should not be used as a step.
• Ladders need nonconductive side rails where you or the ladder could contact exposed energized electrical equipment. Think about the service drop before you lean an aluminum ladder near it.

The standards also let you decline a climb. InterNACHI says the inspector is not required to walk on any roof surface or on roof areas that appear unsafe, and TREC does not require ladders capable of reaching surfaces over one story. Write down in the report how you inspected the roof and why.

Drones

A drone lets you see a steep, high or fragile roof without walking on it. It also brings federal rules.

To fly a drone for your business you need an FAA Remote Pilot Certificate under Part 107. The FAA's steps: be at least 16, get an FAA Tracking Number through IACRA, pass the "Unmanned Aircraft General, Small" knowledge test at an approved testing center, then apply for the certificate in IACRA and clear a TSA check. The FAA says the test costs "approximately $175." You then complete free online recurrent training every 24 calendar months. Your drone must also meet the Remote ID rule, through a Standard Remote ID drone, a broadcast module, or flying in an FAA-recognized identification area.

A drone view is still a view from a distance. Say in the report that you used one. Our guide to drone roof inspections covers the practical side.

Safety gear

Crawlspaces and attics are where inspectors get hurt or sick. The basics:

• A particulate respirator. NIOSH explains that the "95" in N95 "refers to a filter class that removes at least 95% of airborne particles" in testing. It is a particle filter, so match the respirator to the hazard.
• Gloves for insulation, sharp metal and anything you do not want to touch bare-handed.
• Eye protection for attics, where insulation and debris fall.
• Knee pads and coveralls for crawlspaces.
• A bump cap for attics with exposed nails and low framing.
• A personal gas or CO detector if you want one. TREC and InterNACHI do not require gas detection as part of the inspection, so treat it as a personal safety device unless you sell a service that uses it.

The standards back you up when conditions are dangerous. InterNACHI says the inspector is not required to enter any area that may, in the inspector's opinion, be unsafe, and ASHI says the same about areas likely to be dangerous. Report what you did not enter and why.

Software: the tool you use longest

The flashlight is in your hand for an hour. The report takes the rest of the day if your software is slow. Your phone or tablet is now the most-used tool in the kit, so choose the app as carefully as the meter.

Look for four things. It has to work where you work, which includes crawlspaces and rural properties with no signal. It has to handle a lot of photos quickly. It has to let you record findings without typing on a small screen with gloves on. And it has to produce a report your clients and agents can read.

Binsr was built around that list. The Binsr mobile app runs on iPhone, iPad and Android, and in a browser. It works fully offline: changes queue on the device and sync automatically when signal returns, merging rather than overwriting. You can attach photos and video to the inspection, a section, a line item or a single finding, use 360° photos, annotate photos, and dictate a finding by voice so the app turns it into a structured comment.

Binsr has two plans. Standard is $75 per inspector per month. Pro adds the AI features for $4 per completed inspection. AI has a real cost every time it runs, so Binsr prices it per inspection from day one rather than hiding it in a flat rate. More on the options in our guide to the best home inspection app.

How to build your kit without overspending

A new inspector does not need every tool on day one. A sensible order:

1. Everything you need to meet your standard. Lights, mirror, screwdrivers, tape, binoculars, a receptacle tester with a GFCI button, a non-contact voltage tester and a ladder that reaches the roofs in your area.
2. Safety gear. Before your first crawlspace, not after.
3. Software. Pick it before your first paid inspection, so your report looks the same from job one.
4. A moisture meter. The cheapest way to make water-related findings specific.
5. Specialty tools with a service attached. A thermal camera, a drone or a sewer scope earns its keep when you sell it. Price each service on its own numbers, including training and insurance.

Two money notes. Expensive equipment can be insured under a tools and equipment policy, which our guide to home inspector insurance covers. And some insurers require an endorsement before they cover specialty services, so check your policy before you advertise a new one.

Frequently asked questions

Keep reading

• Choosing a thermal imaging camera for home inspection
• Drone roof inspections
• Home inspector insurance
• What home inspectors are not allowed to do
• How to start a home inspection business

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