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Person holding a digital indoor air monitor, the kind of electronic device used for radon testing

Continuous radon monitor testing in York County

Radon Testing York, PA

Home Radon Test · Real Estate Radon Testing · Post-Mitigation Radon Test

Radon testing in York, PA is the only way to know how much radon is in your home. We place a calibrated continuous radon monitor in the lowest livable level for at least 48 hours, record hourly readings, and explain what the average means against the EPA action level of 4.0 pCi/L. You get clear numbers and a clear next step, whether that is peace of mind or a radon mitigation estimate.

Free estimateStandards-based installationPost-mitigation test

  • 4.0

    pCi/L EPA action level
    fix homes at or above this level

  • 1 Day

    Typical installation
    for most York homes

  • 14

    Nearby communities
    plus every York neighborhood

Buying or selling in York County? Ask about radon testing that fits your inspection deadline
Inspector holding a home inspection checklist and pen

PA DEP certified radon mitigation

Who you are calling

Radon Testing You Can Trust in York, PA

A radon test is only as good as its setup. Placement height, distance from exterior walls and sump pits, closed-house conditions and test length all change the result. We set the monitor where the EPA and Pennsylvania protocols call for it, document the conditions, and flag anything that could disturb the reading.

Continuous radon monitors record radon every hour, so you see the pattern as well as the average. That makes it easier to spot a window left open, a weather swing or a sudden spike, and it gives buyers, sellers and homeowners a report they can rely on.

  • Calibrated continuous monitors Hourly radon readings over at least 48 hours, with a printed summary and average.
  • Correct test placement Lowest livable level, away from drafts, sumps, exterior walls and humidity sources.
  • Real estate friendly Scheduling built around inspection contingency deadlines for York County sales.
  • Plain-language results We explain the number against the EPA action level and what, if anything, to do next.

When to call

When You Should Get a Radon Test in York

Radon cannot be seen or smelled, so the clues are in your test results, your system and your foundation. Note your latest radon number and when the test was taken.

Unfinished basement with concrete block walls, the lowest level where radon tests are placed (717) 275-0074
  1. 01

    You Have Never Tested Your Home

    The EPA recommends testing every home. Radon levels vary from house to house, even on the same York street, so a neighbor's result does not tell you yours.

  2. 02

    You Are Buying or Selling a Home

    Radon testing during the inspection period gives both sides a documented number and time to arrange mitigation before closing if the level is high.

  3. 03

    You Finished or Started Using the Basement

    Converting a basement into a bedroom, office or playroom means more time in the level of the home that usually has the most radon.

  4. 04

    It Has Been Two Years Since Your Last Test

    Foundations settle, new cracks open and radon systems age. The EPA recommends retesting a mitigated home at least every two years.

The right method for the home

Radon Tests We Offer in York

Different situations call for different radon tests. We recommend the one that answers your question fastest and most reliably.

  • Short-Term Home Radon Test

    A 48-hour or longer continuous monitor test that gives a quick, reliable look at the current radon level in your home.

  • Real Estate Radon Test

    Timed to your inspection period, with setup notes and hourly data that buyers, sellers and agents can review.

  • Post-Mitigation Radon Test

    Run after a new radon mitigation system has operated for at least 24 hours to confirm the reduced radon level.

What you get

What Our Radon Testing Service Includes

Every job includes all of the following. Nothing here is an extra added on once we are already at your home.

  • Closed-House Instructions

    We explain closed-house conditions for the 12 hours before and during the test so the result reflects normal living conditions.

  • Professional Monitor Placement

    The monitor is placed in the lowest livable area at the right height and distance from walls, windows, sumps and vents.

  • Hourly Radon Data

    You receive the average radon level plus hourly readings so unusual swings or disturbances are easy to see.

  • Results and Next Steps

    We explain the result against the EPA action level and, if needed, provide a radon mitigation estimate for your home.

How the job runs

Our Radon Testing Process

Every Radon Testing York PA job follows a home-specific plan, from the first radon number to the verified result.

  1. 1 Step 1

    Schedule and Prepare

    We book a time that fits your schedule or inspection deadline and send closed-house instructions ahead of the visit.

  2. 2 Step 2

    Place the Monitor

    The continuous radon monitor is set in the correct location and started, with test conditions documented.

  3. 3 Step 3

    Collect 48 Hours of Data

    The monitor records hourly radon readings for at least 48 hours while closed-house conditions are maintained.

  4. 4 Step 4

    Review the Results

    We pick up the monitor, share the report, and explain whether radon mitigation is recommended for your home.

RM York · Local radon specialists

Need a Radon Test in York? Schedule Today

Tell us whether the test is for your own home, a purchase or a sale, and your deadline. We will find the right time to place the radon monitor.

Upfront pricing

Radon Testing Cost in York, PA

Simple, flat pricing for the most common radon tests in York County homes.

Home Radon Test

$175 48-hour continuous monitor

  • Monitor placement and pickup
  • Hourly radon readings and average
  • Plain-language results call
Request This Service
Most popular

Real Estate Radon Test

$195 timed to your inspection period

  • Scheduling around contingency deadlines
  • Test conditions and setup documented
  • Report ready to share with buyer, seller and agents
  • Mitigation estimate if the level is high
Request This Service

Post-Mitigation Test

$150 after a new or repaired system

  • Run after the system operates at least 24 hours
  • Compares the new level with the original test
  • Included free with our system installations
Request This Service

Prices are typical for single-family homes in York County. Multi-unit buildings and rush scheduling are quoted separately.

Health and household safety

Why Radon Testing Matters for Your Family

Radon is invisible, odorless and present in every state. Testing is simple, and it is the only way to know your exposure.

  • No Known Safe Level

    The EPA action level is 4.0 pCi/L, but the EPA also recommends considering mitigation between 2.0 and 4.0 pCi/L because any radon exposure carries some risk.

  • Lower Levels Matter Most

    Radon usually concentrates in basements and ground-floor rooms, which is why tests are placed in the lowest livable level of the home.

  • Testing Is Non-Invasive

    A radon monitor sits quietly on a table or shelf. No drilling, chemicals or disruption to your daily routine.

Before, during, after

How to Prepare for a Radon Test

Before We Arrive

  • Close exterior windows and doors on all levels 12 hours before the test starts, except for normal entry and exit.
  • Turn off whole-house fans and window fans. Normal heating and central air can keep running.
  • Keep the test area clear so the monitor can sit undisturbed away from walls, vents and the sump pit.
  • Tell us about any radon system already installed so we can note whether it is running.

During the Visit

Keep closed-house conditions for the full test, leave the monitor where it is, and go about your normal routine. Avoid running dehumidifiers or fans aimed at the monitor, and do not unplug it.

After the Work

We collect the monitor, download the hourly data and walk you through the average. If the result is at or above 4.0 pCi/L, or between 2.0 and 4.0 pCi/L and you want it lower, we provide a written radon mitigation estimate.

Keep radon levels low

Radon Testing Tips for York Homeowners

A few simple habits make every radon test more useful.

  1. 01

    Test the lowest level you use regularly, even if it is a finished basement or a lower-level family room.

  2. 02

    Retest after major renovations, new additions, foundation repairs, or changes to heating and ventilation.

  3. 03

    Keep copies of every radon test report with your home records for future sales and insurance questions.

  4. 04

    If you already have a radon mitigation system, retest at least every two years to confirm it is still working.

York, PA local insight

Why Radon Testing Matters in York County

Radon comes from the natural breakdown of uranium in soil and rock, and south-central Pennsylvania has plenty of both. York County is in EPA Zone 1, the highest radon potential category, and Pennsylvania consistently reports some of the highest indoor radon levels in the country. Still, radon can vary widely from one house to the next, so the only way to know your home’s level is to test it.

York’s housing stock makes careful test placement important. Older city rowhomes often have fieldstone or rubble foundation walls, many suburban homes in Springettsbury, Dover and Red Lion have block basement walls and sump pits, and newer developments mix full basements, slab additions and crawl spaces. Each foundation type lets soil gas enter in a different way, and each needs the monitor in the right location.

If your test comes back at or above 4.0 pCi/L, the next step is a radon mitigation system installation designed for your foundation. Homes with a basement and sump pit usually need basement radon mitigation with a sealed sump cover. If you already have a system and the level is creeping back up, radon system repair or radon fan replacement may be all you need.

Buying or selling? Our guide to radon testing when buying or selling a York home explains timing and what a high result means for the deal. For a full overview of local services, start on the RM York home page.

Independent guidance: review the EPA explanation of what radon is (opens in a new tab) and the Pennsylvania DEP Radon Division (opens in a new tab) . These resources complement your radon test results and the written scope for your home.

Local radon standards

Why Choose Us for Radon Testing in York, PA

We combine accurate radon data, a system designed for your foundation, clean installation and a follow-up test that proves the result.

  • Radon Specialists

    Radon testing and radon mitigation are all we do, so we know how York County homes behave during a test.

  • Reliable, Documented Tests

    Placement, conditions and hourly data are recorded so the result stands up to questions in a real estate transaction.

  • Honest Recommendations

    If your level is low, we tell you. If it is high, you get a clear radon mitigation plan and written price.

Where we work

Radon Testing Service Area Across York County

RM York serves every York neighborhood plus Hanover, Red Lion, Dallastown, Dover, Shrewsbury, Spring Grove, Glen Rock, Manchester, New Freedom, Seven Valleys, Stewartstown, Windsor, Wrightsville, York Haven. Call with your address to confirm the next available appointment.

  • Hanover 17331
  • Red Lion 17356
  • Dallastown 17313
  • Dover 17315
  • Shrewsbury 17361
  • Spring Grove 17362
  • Glen Rock 17327
  • Manchester 17345
  • New Freedom 17349
  • Seven Valleys 17360
  • Stewartstown 17363
  • Windsor 17366
  • Wrightsville 17368
  • York Haven 17370

York ZIP codes served

  • 17401
  • 17402
  • 17403
  • 17404
(717) 275-0074

RM York · Radon Testing

54 W Market St, York, PA 17401

Monday to Friday: 8:00 AM to 6:00 PM

Straight answers

Radon Testing York PA FAQs

Need help with a detail not covered here? Call (717) 275-0074.

Brick rowhome entrance similar to older homes in the City of York (717) 275-0074

Our standard short-term radon test uses a continuous radon monitor for at least 48 hours. Closed-house conditions start 12 hours before the test begins and continue until the monitor is collected.

The average indoor radon level in the United States is about 1.3 pCi/L. The EPA recommends mitigation at 4.0 pCi/L or higher and suggests considering mitigation between 2.0 and 4.0 pCi/L.

You can test any time of year. Radon levels are often higher during the heating season when homes are closed up, which is why closed-house conditions are required for every short-term test.

Yes, home test kits are a good first step. For real estate transactions or decisions about a radon mitigation system, a professional continuous monitor test gives hourly data and documented test conditions.

Yes. New construction can have high radon levels, and even homes built with passive radon piping should be tested to see whether a fan needs to be added.

Free estimate · Written quote

Get an Accurate Radon Test in York, PA

Know your radon level with a 48-hour continuous monitor test and a clear explanation of the results. Call now or request your radon test online.

Have your radon test result handy when we call back.