Do I need a license to be a Radon Mitigator?

Requirements vary by state. Most states require some form of business license. Some trades require specific certifications or permits. Biz Wiz ($19.99) researches your specific state's requirements and builds them into your plan.

How much do radon mitigators make?

The median income for radon mitigators is $55,000/year. Top earners in busy markets make significantly more. Your income depends on pricing, volume, and keeping overhead low — which is why owning your tools instead of renting them matters.

How to Start a Radon Mitigator Business in 2026

Q: How much does it cost to start a Radon Mitigator business?

Startup costs for a Radon Mitigator business typically range from $500 to $5,000 depending on equipment and licensing. The biggest ongoing cost is software subscriptions ($100-200/month). Nexa eliminates that with a $279 one-time purchase.

Quick Answer: Starting a Radon Mitigator business costs $500-5,000 in startup costs. You need proper licensing for your state, the right equipment (A radon-rated inline fan sized to the soil and the suction-point demand and more), and business tools (invoicing, scheduling, CRM). The median Radon Mitigator earns $55,000/year. Biz Wiz ($19.99) builds a personalized plan with your state's exact requirements. Nexa ($279 once or $99×3) replaces all the software subscriptions.

Bottom Line

Starting a Radon Mitigator business takes $500-5,000 in startup costs, proper licensing for your state, and business tools (invoicing, scheduling, CRM, bookkeeping). The median Radon Mitigator earns $55,000/year. Most new radon mitigators make the mistake of renting $100-200/month in software subscriptions from day one — that is $1,200-2,400/year before you have a single client. Nexa is $279 once for all of it. Biz Wiz ($19.99) builds you a personalized plan with your state's exact licensing requirements, pricing research for your area, and a 90-day action checklist.

The Steps

Figure Out the Legal Stuff

Every state is different. You may need a business license, trade-specific license, insurance, or permits. Don't skip this — getting caught without proper licensing can cost more than the license itself. Check your state's requirements →

Set Your Pricing

Research what radon mitigators charge in your area. Don't underprice to "get started" — you'll burn out. Price for profit from day one. Most radon mitigators charge based on job size, complexity, or hourly rate.

Get Your Equipment

You need: A radon-rated inline fan sized to the soil and the suction-point demand, A continuous radon monitor and short-term test kits for pre- and post-mitigation readings, A manometer (the little U-tube on the pipe) to prove the system is pulling suction, A core drill and rotary hammer for cutting the suction point through the slab, PVC pipe, couplings, and solvent cement for the sub-slab depressurization run up through the roof, A smoke pencil and sealant for finding and closing slab cracks and the sump lid. Buy quality — you'll use these every day. This is a real investment, not a subscription you're renting. Own your tools from the start.

Set Up Your Business Tools

You need invoicing, scheduling, client tracking, and bookkeeping. Most radon mitigators pay $100-200/month renting these from 3-4 different companies. Or you can get Nexa — all of it for $279 once. You own it. See what the subscriptions really cost →

Find Your First 5 Clients

Start with people you know. Post on Nextdoor. Join local Facebook groups. Tell everyone what you do. Your first 5 clients become your first 5 reviews — and reviews are everything in this business.

Build Your Rhythm

Set a weekly schedule: when you work, when you do admin, when you market. Track your hours. Send invoices same day. Review your finances monthly. The radon mitigators who build a rhythm survive. The ones who wing it don't.

A Day in the Life of a Radon Mitigator

The day usually starts with a test result, not a wrench: a home read high, and a buyer's contract is waiting on him to fix it. He cores a suction point through the slab in the basement corner, digs out a small pit beneath for the fan to pull from, and checks sub-slab communication with the smoke pencil to see how far the suction reaches. He runs PVC up through the rim or a closet, out through the roof above the eave line, and mounts the inline fan in the attic or outside so the run stays under negative pressure inside the living space. He glues the joints, seals the sump lid and any visible slab cracks, and watches the manometer settle to confirm the fan is actually pulling. Then comes the part he can't rush: a continuous monitor has to sit for the test period before he knows it passed. A panicked agent calls asking if it'll clear before Friday's closing. He labels the system, fills out the placard with his certification, and schedules the post-test pickup. Late in the day he's checking which jobs are awaiting a retest result and which need a second suction point because the first reading barely moved.

Sound familiar? That's what happens when your tools don't talk to each other. Nexa connects everything — log a job, invoice from it, track the payment, update your books. One app. $279 once.

The Real Problems Radon Mitigators Deal With

Post-mitigation tests that still read above the action level, meaning a second suction point or a bigger fan and a return trip before it passes
Real-estate deals on a clock where the buyer's lender won't close until the radon retest comes back under 4.0
Routing the pipe to meet code, vent above the roofline and away from windows, without it becoming an eyesore the homeowner rejects
Slabs with poor sub-slab communication where one suction point can't pull the whole footprint, which a walkthrough doesn't reveal

Biz Wiz ($19.99) builds a plan around YOUR specific problems — not generic business advice.

Finally Start Your Radon Mitigator Business

$19.99

Everything you need to go from idea to open:

✓Radon Mitigator-specific business plan

✓Startup checklist (licenses, insurance)

✓90-day back office access

✓Tool budget calculator

✓Weekly guidance emails

✓Upgrade path when ready

Get Your Radon Mitigator Business Plan

✓ 30-day money-back guarantee

"I spent $19.99 on Biz Wiz and got a plan that told me exactly what licenses I needed, what to charge, and what to do first. I launched the next week."

— Small business owner, Biz Wiz customer

The Hidden Cost Nobody Mentions

Everyone talks about equipment costs. Nobody talks about the software tax.

Most radon mitigators end up paying $100-200/month for business software — invoicing, scheduling, bookkeeping, client management. That's $1,200-2,400/year. Over 5 years with price increases: $8,000-15,000. For tools you don't even own.

Nexa: $279. Once. Invoicing, scheduling, CRM, task management, and full QuickBooks-style accounting. You own it like you own your A radon-rated inline fan sized to the soil and the suction-point demand.

FAQ

How much does it cost to start a Radon Mitigator business?

Depends on equipment and licensing. Typically $500-5,000 to start. The biggest ongoing cost is software subscriptions ($100-200/month) — which Nexa eliminates with a $279 one-time purchase.

Do I need a license?

Varies by state. Biz Wiz ($19.99) researches your specific state's requirements and includes them in your personalized plan.

How do I find clients?

Start local: Nextdoor, Facebook groups, word of mouth. Get 5 clients, get 5 reviews. Reviews compound. Your plan from Biz Wiz includes a marketing strategy tuned to your area.

Can I do this part-time?

Yes. Many radon mitigators start on weekends or evenings. The key is setting a rhythm you can sustain while keeping a day job.

How to Start a Radon Mitigator Business