Running a home inspection business by the rules: licences and compliance

What to take away

Which authorities actually govern a home inspection business

Licensing for home inspectors sits with the state, not the federal government. Thirty-some states require a license, and the rest leave the field open to anyone who can sell the service.

The board that issues it goes by different names. Texas uses the Texas Real Estate Commission. Florida uses the Department of Business and Professional Regulation, Division of Professions. Arizona uses the Board of Technical Registration, New York the Department of State's Division of Licensing Services. Illinois runs home inspector licenses through the Department of Financial and Professional Regulation.

Look up yours by name before you print a business card.

The license is personal. It attaches to the inspector who passed the exam, not to the company. If you hire a second inspector, that person needs their own credential, and your company registration is a separate filing with the secretary of state or the same licensing division. One approval does not cover the other.

The American Society of Home Inspectors publishes a Standards of Practice and Code of Ethics that member inspectors agree to follow. The International Association of Certified Home Inspectors publishes its own Standards of Practice and a larger online course catalog.

Both run certification exams and set continuing education. InterNACHI members log 24 hours a year, and ASHI Certified Inspectors document theirs annually. ASHI also asks for 250 fee-paid inspections and a passing NHIE score before it awards the Certified Inspector credential.

Then come the ancillary credentials. Radon measurement and mitigation is a separate certification in most states, and the EPA's Home Buyer's and Seller's Guide to Radon is the plainest explanation of why test conditions and timing matter in a transaction.

Two national programs certify radon professionals: the National Radon Proficiency Program (NRPP) and the National Radon Safety Board (NRSB). Illinois licenses radon measurement through the Illinois Emergency Management Agency, New Jersey through the Department of Environmental Protection, and Pennsylvania through its DEP.

Mold assessment is licensed in a few states and unregulated in most. Florida licenses mold assessors and remediators through DBPR, Texas through the Texas Department of Licensing and Regulation, and New York under Labor Law Article 32.

Septic, sewer scope, pool and spa, and thermal imaging each carry their own training. In some states, they also carry their own license.

Septic work usually falls to a state environmental agency, such as the Texas Commission on Environmental Quality. Thermal imaging courses come from providers such as the Infraspection Institute or FLIR's Infrared Training Center.

Selling a service you are not credentialed for is the fastest route to a board complaint.

The documents a complaint turns on

Three pieces of paper decide whether an unhappy client becomes a claim. The first is the pre-inspection agreement, signed before the inspector walks the property. It states the scope, the standard of practice being applied, what is excluded, and the fee. An unsigned agreement is close to unenforceable in most disputes.

The second is the E&O policy. General liability covers a broken window or a foot through a ceiling. Errors and omissions covers a missed defect, which is the claim that actually threatens the business. Carriers write inspection-specific E&O, and the application asks about your training, your report software and your agreement language.

Inspection-specific E&O for a solo inspector typically runs $1,500 to $3,000 a year for $250,000 per claim and $500,000 aggregate. General liability often adds $500 to $1,200. Premiums climb with inspection volume, prior claims and whether you also offer radon or mold work.

The third is the report itself. ASHI and InterNACHI both require that the report describe the systems inspected, note what was not inspected and why, and avoid stating that a system is safe or sound. A report that certifies condition rather than describing it hands the client an argument.

Keep every signed agreement, every report and every client email for the period your state board and your carrier require. Carriers often ask for records spanning the state statute of limitations, usually two to six years for written contracts.

When a complaint arrives two years later, the file is the defense.

Where federal rules reach an inspection company

An inspection company with employees is an employer, and that pulls in the Department of Labor. The Wage and Hour Division's small business compliance assistance covers minimum wage, overtime, timekeeping and recordkeeping. Inspectors who are paid per job and work past forty hours in a week are the classic misclassification trap.

The Fair Labor Standards Act sets the wage and hour floor. IRS Form SS-8 and the DOL's economic realities test decide whether a helper is an employee or a contractor.

Workplace safety runs through OSHA. Inspectors climb roofs, enter crawlspaces and open electrical panels, and the OSHA safety management guidance describes the find-and-fix approach the agency expects. Ladder condition, fall protection, respirator use in crawlspaces and confined space entry are the recurring hazards.

If the business has an office that clients visit, the ADA guide for small businesses explains barrier removal and accessible routes for existing facilities. Most inspectors work from a truck and a website, which makes the digital side the relevant one: an accessible site and readable report PDFs.

WCAG 2.1 level AA is the benchmark most accessibility auditors apply to a website or a report PDF.

State-by-state, the rules diverge

Read the table as a starting point, not a substitute for your own board's current rules. Fees, renewal cycles and continuing education hours change, and the board's website is the only current source.

The paperwork that keeps a license alive

Renewal is where licensed inspectors lose the most money for the least reason. A lapsed license means every inspection performed after the expiry date was unlicensed work, and boards treat that seriously.

Build a single renewal calendar that lists every credential the business holds, the expiry date, the continuing education hours required, and the fee. Include the company registration, the E&O policy, the general liability policy, the radon certification and the vehicle registrations. Assign one person to check the calendar monthly.

State renewal fees typically run $50 to $300 per credential. Continuing education courses often cost $15 to $40 per credit hour.

Keep the certificates themselves retrievable. When a real estate agent asks for proof of insurance before adding you to their referral list, you should be able to send the certificate the same day.

The business plan structure for an inspection company is the place to record who holds which credential and what it costs to renew.

When the business changes, the compliance map changes

Adding a second inspector, opening a second market or buying a drone changes what you need. A new inspector needs their own license and their own E&O coverage. A new state means a new board, a new exam and a new set of continuing education rules.

A drone used commercially needs a Part 107 remote pilot certificate from the FAA. The knowledge test costs about $175, and each aircraft must be registered for $5.

Write down what changed, which credential it touches, and who is responsible for filing. Then check it against the renewal calendar before the first job in the new setup.

Common questions

Do I need a license to inspect homes?

It depends on the state. Most states require a license issued by a state board or occupational licensing division, and a handful have no state requirement at all. Check your state board's website for the current rule before you take a paying job.

Is a national certification enough?

No. ASHI and InterNACHI certification is a strong market signal and satisfies some state requirements, but it does not replace a state license where one exists. The NHIE is often part of the state application too. Treat certification as a complement to the state credential, not a substitute.

Can I offer radon or mold testing under my inspection license?

Usually not. Radon measurement and mold assessment are separate credentials in most states, with their own training and their own fees.

In Illinois, New Jersey and Pennsylvania, the radon credential comes from a state environmental agency rather than the inspection board. Confirm with your state board and, for radon, with the EPA's state-by-state program contacts.

What happens if my license lapses?

Inspections performed while unlicensed can trigger a board complaint, a fine and a refund demand, and your E&O carrier may decline the claim. Renew early and keep the certificate on file where you can find it.