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Jeremy Anderson

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November 26, 2025

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I've been inspecting homes across Utah's Wasatch Front for over 18 years, and I can tell you that Park City and Heber homeowners face unique environmental challenges. The elevation, soil composition, and mountain climate in these areas create perfect conditions for radon accumulation and mold growth. I've seen these issues damage properties and threaten families' health more times than I care to count.

Today, I'm sharing the five most common radon and mold problems I find during home inspections in Park City and Heber. My goal is to help you understand what to look for and when to act.

Why Park City and Heber Homes Face Higher Environmental Risks

Our mountain communities deal with specific factors that increase radon and mold risks. The rocky soil contains uranium deposits that break down into radon gas. The gas seeps up through foundation cracks and gaps. Add in the temperature swings between day and night, plus heavy winter snow, and you've got conditions that trap moisture inside homes.

I test dozens of homes every year in these areas. The elevation and construction methods common in mountain properties make environmental testing critical for every homeowner.

Issue #1: High Radon Levels in Basement Living Spaces

Radon is a radioactive gas you cannot see, smell, or taste. It's the second leading cause of lung cancer in the United States. In Park City and Heber, I find elevated radon levels in about 40% of the homes I test.

Basements and ground-floor living areas show the highest concentrations. The gas enters through foundation cracks, floor drains, and gaps around pipes. Mountain homes built on rocky terrain have more pathways for radon to enter.

The EPA's action level is 4.0 pCi/L. I've measured levels as high as 12.0 pCi/L in homes that looked perfectly normal. One family in Heber had been living with dangerous radon levels for three years without knowing it.

Common entry points I find:

  • Cracks in concrete foundation walls
  • Gaps between floor and wall joints
  • Openings around utility penetrations
  • Sump pump pits without proper sealing
  • Crawl space vents during winter months

Radon testing takes 48 to 96 hours with professional equipment. I place monitors in the lowest occupied level of your home. The devices record hourly fluctuations and give us accurate data about your exposure risk.

Issue #2: Mold Growth Behind Bathroom Fixtures

Bathrooms in Park City and Heber homes face constant moisture from showers and baths. When ventilation fails or water leaks develop, mold grows quickly behind walls and under fixtures.

I find mold behind shower enclosures where grout has cracked. Water seeps through the gaps and saturates the drywall. The mold spreads for months before homeowners notice musty odors or see visible growth.

Tile surrounds without proper waterproofing create major problems. I've pulled back shower walls to find black mold covering entire sections of framing. The spores can trigger allergies, asthma attacks, and respiratory issues.

Red flags I look for during inspections:

  • Peeling or bubbling paint near tubs and showers
  • Grout that crumbles when you touch it
  • Musty smells that won't go away
  • Discolored caulking around fixtures
  • Soft spots in walls or floors near plumbing

Mountain homes often have inadequate bathroom ventilation. The exhaust fans don't vent outside or lack the power to remove moisture. This trapped humidity feeds mold growth year-round.

Issue #3: Radon in New Construction Homes

Many people think radon only affects old houses. That's dead wrong. New construction in Park City and Heber can have radon levels just as high as older properties.

Modern building techniques create tighter, more energy-efficient homes. These sealed structures trap radon gas inside. The soil under your new home determines radon levels, not the age of the building.

I tested a brand-new Park City home last year that measured 8.5 pCi/L. The builder had followed all codes, but the rocky soil underneath released high amounts of radon. The homeowners needed a mitigation system installed before moving in.

Every home purchase should include radon testing as part of the home inspection. I've seen too many buyers skip this step and regret it later. The test costs a few hundred dollars but protects your family's health for decades.

Issue #4: Attic Mold from Ice Dams and Poor Ventilation

Winter in the mountains brings heavy snow loads. Ice dams form when heat escapes through your roof and melts the bottom layer of snow. The water refreezes at the roof edge and backs up under shingles.

This trapped water leaks into attics and causes mold growth on roof decking and insulation. I climb into attics and find frost buildup that melts during warmer days. The moisture saturates wood and creates ideal conditions for mold.

Poor attic ventilation makes the problem worse. Warm, moist air from your living space rises into the attic. Without proper airflow, this moisture condenses on cold surfaces and feeds mold colonies.

Signs of attic mold issues:

  • Dark stains on roof decking
  • Musty odor when you open the attic hatch
  • Ice buildup along roof edges in winter
  • Wet or compressed insulation
  • Rusty nails poking through the roof deck

Heber homes with cathedral ceilings face extra challenges. The tight spaces make ventilation difficult. I recommend professional mold inspection if you've had ice dam problems or notice attic moisture.

Issue #5: Radon Fluctuations from Seasonal Changes

Radon levels change throughout the year. I see higher readings during winter when homes stay sealed tight. The stack effect pulls more radon from the soil as warm air rises and escapes through upper levels.

Summer levels often drop because windows stay open and natural ventilation dilutes radon concentrations. This seasonal variation means one test doesn't tell the whole story.

I had a client in Park City test their home in summer and get a reading of 2.8 pCi/L. They felt safe and didn't pursue mitigation. I convinced them to test again in winter. The reading jumped to 6.2 pCi/L.

The EPA recommends testing every two years. I suggest testing during winter months when radon levels peak. This gives you the worst-case scenario and helps you make informed decisions about mitigation.

Foundation work and renovations also change radon levels. New cracks or altered ventilation can increase radon entry. Test again after major home improvements to ensure your family stays protected.

When to Schedule Professional Testing

Don't wait until you notice problems. Radon exposure happens silently over years. Mold can spread through walls before you see visible growth.

Schedule radon testing Heber homes and Park City properties if you:

  • Have never tested your home for radon
  • Are buying or selling property
  • Completed renovations or foundation work
  • Notice musty odors or moisture problems
  • Want to verify your mitigation system works properly

Professional testing uses calibrated equipment that provides accurate results. I place monitors in specific locations based on your home's layout. The data I collect shows hour-by-hour radon levels and identifies patterns that cheap DIY kits miss.

Mold inspection requires visual assessment and sometimes air quality testing. I look in crawl spaces, attics, and behind walls. Thermal imaging cameras help me find hidden moisture that leads to mold growth.

Protecting Your Mountain Home

I've seen what happens when families ignore radon and mold issues. Medical bills pile up. Property values drop. Simple problems become expensive repairs.

The good news is that both radon and mold are manageable. Professional radon mitigation systems reduce levels by 90% or more. Mold remediation removes contaminated materials and fixes the moisture source.

Prevention starts with awareness. Know your home's radon level. Check for moisture problems regularly. Address small issues before they grow into major headaches.

I test homes across Salt Lake, Provo, and the entire Wasatch Front. Park City and Heber properties need extra attention because of the environmental factors I've described. The investment in testing is small compared to the health risks and repair costs you avoid.

Your Next Step for a Safer Home

At Quality Home Solutions, I've dedicated my career to protecting Utah families from environmental hazards. My team uses state-of-the-art radon monitors and follows strict testing protocols. We provide detailed reports that explain your results in plain language.

If you live in Park City, Heber, or surrounding mountain communities, don't take chances with your family's health. Radon exposure is preventable, but only with professional testing.

We're open Monday through Friday, 9 AM to 5 PM. Call us at (801) 571-0344 to schedule your radon test or mold inspection. We'll answer your questions and help you understand your home's environmental risks.

You can also request a free estimate through our website. We serve the entire Wasatch Front area and know the specific challenges mountain homes face.

Your home should be your safe haven. Let us help you make sure it is.

Property owners need and deserve a reliable and knowledgeable partner to handle their most important asset - the home. With over 18 years of experience in providing top-quality home solutions, Jeremy is an expert you can trust for superior solutions that meet your needs. He offers ingenious ideas with every project and his strong work ethic ensures long-term results. Jeremy promises 100% customer satisfaction!

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Jeremy Anderson

Owner & Inspector at Quality Home Solutions

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