Radon Mitigation Cridersville OH | RC202 Licensed Pros

Photo by AI Generated (Grok Imagine)

Cridersville sits in Auglaize County, which the EPA and Ohio Department of Health classify as a Zone 1 high-radon area — meaning the predicted indoor average is above 4.0 pCi/L. That isn't a marketing line. It's the same map your home inspector pulled up when he flagged your basement reading. If you're searching for Radon Mitigation Cridersville OH, you're almost certainly here because of one of three things: a real-estate transaction with a radon contingency, a long-term test you finally got around to, or a tenant or school board asking what your numbers are.

Radon Eliminator is an Ohio-licensed radon mitigation contractor (Ohio Mitigation License RC202) serving Cridersville, Wapakoneta, Lima, St. Marys, and the rest of west-central Ohio. We design and install permanent sub-slab depressurization systems built to ANSI/AARST RMS-LB 2018 code — the standard Ohio adopted for residential mitigation. We test to EPA protocols. And we publish our timelines, because half the people calling us are staring at a closing date on a contract.

One specific number worth knowing: the EPA action level is 4.0 pCi/L. The World Health Organization recommends action at 2.7 pCi/L. A properly designed mitigation system in a Cridersville home typically pulls post-mitigation readings down to 0.4–1.5 pCi/L. That's the result you're paying for. Not a fan swap. Not a band-aid. A permanent fix that passes a post-mitigation test and survives a re-inspection two years from now.

There are handymen with shop vacs and a YouTube tutorial. There are HVAC companies that bolt on radon as an upsell. And then there are RC202-licensed Ohio radon professionals — a much shorter list. Here's what separates us in the Cridersville market:

• Ohio License RC202 — front and center. Ohio law requires a state-issued radon mitigation license to install a system for compensation. Ask any other contractor for their RC number before they touch your house. If they hedge, hang up.
• Closing-window scheduling. Standard residential mitigation in Cridersville is installed in 4–6 hours, with a 48-hour post-mitigation test starting the same day. Most real-estate jobs are testing-to-clearance in under a week.
• Transparent, flat-rate pricing. Typical Cridersville single-family mitigation runs $1,450–$2,200 depending on slab type, foundation, and exterior aesthetics. You get the number before we show up, not after.
• Multi-vertical credibility. We mitigate schools, apartment complexes, and commercial properties across Ohio. The system going on your house is engineered by people who've signed off on buildings with 600 occupants.
• Aesthetic-first exterior runs. We route discharge pipe up interior chases and through the roof whenever the framing allows — not slapped on the front of your house in white PVC. Curb appeal matters when you're selling.
• Lifetime workmanship + system warranty and a written guarantee of post-mitigation levels below 4.0 pCi/L. If a re-test fails, we come back. Period.

That's why we're considered the best Radon Mitigation Cridersville homeowners and agents recommend, and why home inspectors across Allen and Auglaize counties refer their clients to us.

Photo by AI Generated (Grok Imagine)

We don't run a one-size-fits-all playbook. Cridersville housing stock ranges from 1960s ranches off Main Street to newer builds near Bluelick Road and rural properties out toward Lake Loramie. The system has to match the foundation.

48-hour continuous radon monitor tests for real-estate transactions, plus 90-day alpha-track tests for homeowners who want a true annual average. All testing follows EPA Protocol for Radon Measurement in Real Estate Transactions. You get a signed PDF report your agent, lender, and buyer can rely on.

The gold-standard system for Cridersville homes with basements or slab-on-grade construction. We core through the slab, excavate a suction pit, run sealed PVC to a code-rated radon fan (Festa, RadonAway, or Fantech), and vent above the roofline per ANSI/AARST. Sealed sump covers, sealed expansion joints, and a U-tube manometer for at-a-glance system verification.

For the older Cridersville farmhouses with dirt or partial crawl spaces, we install a sub-membrane depressurization system — 6-mil reinforced vapor barrier sealed to walls and piers, with active suction underneath. Doubles as moisture control.

Ohio Revised Code requires radon testing in licensed childcare facilities and many schools. We design engineered multi-point systems for commercial buildings, apartment complexes, and schools across Auglaize, Allen, and Mercer counties — with stamped drawings when required for permitting.

Every system we install includes a 48-hour post-mitigation diagnostic test. We hand your agent a clearance report buyers and lenders accept. If a buyer orders an independent re-test and the number drifts, we come back free — that's the guarantee.

The reason we can promise closing-window turnaround is that the process is tight and the crews are dedicated to radon — not divided between five other trades.

Step 1: Phone Consultation and Flat-Rate Quote (Same Day)

Call us with your Cridersville address, your radon reading, and your closing date if you have one. In most cases we quote over the phone using county records and a few photos of your foundation. No bait-and-switch site visits.

Step 2: Site Diagnostic and System Design (Day 1–2)

An RC202 technician walks the home, identifies the optimal suction point, confirms slab communication with a smoke test, and finalizes the discharge route. We prioritize hidden interior chases over exterior pipe runs.

Step 3: Installation (4–6 Hours, One Day)

Core-drill, excavate suction pit, install sealed PVC, mount the radon fan in attic or exterior, seal slab penetrations and sump, install manometer and labeling per code. Cleanup before we leave.

Step 4: Post-Mitigation Test and Clearance Report (48 Hours)

We deploy a continuous radon monitor, retrieve it, and send you and your agent a signed clearance report. Most Cridersville homes post-mitigate at 0.4–1.5 pCi/L — well below the 4.0 EPA action level.

Cridersville is a small village straddling the Auglaize–Allen county line just off I-75, with a housing mix shaped by limestone bedrock and high water tables in the lower-lying areas south of West Main Street. That geology matters. Limestone is a uranium-bearing bedrock, which is exactly why this corner of Ohio shows elevated radon levels in the first place. The Cridersville Limestone — yes, the formation is literally named for the village — is a documented source of radium decay throughout the region.

Practically, that means a few things for mitigation design here:

• Sub-slab aggregate is often poor in older homes built before 1980 along Wayne Street and Kemp Road. We compensate with deeper suction pits and higher-static fans (RP265 class) rather than the entry-level fans cheaper bidders quote.
• High water tables near Ottawa River tributaries require sealed sump covers with bypass drains — a detail untrained installers skip, and the reason a lot of cheap systems fail the re-test six months later.
• Newer subdivisions toward Lima often have passive radon stubs already roughed in — we can activate those passive systems for significantly less than a full retrofit. Always worth asking.

We work daily across Cridersville, Wapakoneta, Lima, Elida, Spencerville, Delphos, and St. Marys. We know the local home inspectors, we know the title companies, and we know which Auglaize County subdivisions tend to test hot. That local fluency is why we're consistently rated the top Radon Mitigation Cridersville contractor by referring agents and inspectors.

Real Estate Professional Referral Program

If you're a Cridersville-area Realtor or home inspector, ask about our Inspector & Agent Special Offer: priority scheduling inside your client's option period, co-branded clearance reports, and a referral incentive structure that respects RESPA. We make you look good to your client.

Most contractors won't publish prices. We will, because guessing is what makes this stressful.

• Standard basement / slab-on-grade system: $1,450 – $1,850
• Crawl space sub-membrane system: $1,800 – $2,400
• Combination (basement + crawl): $2,200 – $3,200
• Passive system activation: $650 – $950
• Real-estate 48-hour radon test: $145 flat
• Commercial / multifamily: Engineered quote

Financing is available through our partner program — 0% for 12 months on approved credit, which keeps closing costs clean. That's how we deliver affordable Radon Mitigation Cridersville homeowners can actually budget for without sacrificing system quality.