Borough, York County

Radon Mitigation in Cross Roads, PA

Updated September 30, 2026

Cross Roads is a borough in York County with about 506 residents and 208 homes, median year built 1978. It is surrounded by East Hopewell Township. The borough, incorporated in 1899, is named for the crossroads where Church Road meets Cross Roads Avenue. 65.2% of PA DEP radon tests in its ZIP codes came back at or above the action level, above the county's 52.5%.

What the PA DEP test records show for Cross Roads

ZIP 17322 covers 93% of Cross Roads's land, so these numbers are about as local as public radon data gets.

Look past the median to the high end. One test in 4 here came in at 20 pCi/L or more, five times the action level, and the highest reading on record is 445 pCi/L. Neighboring houses can differ by a factor of ten, so none of this tells you what your house is. It tells you the odds are high enough that a $15 to $30 test kit is worth buying.

Tests people chose to run, not a random survey. Details on the York County radon levels page.

Basement readings versus first-floor readings

In ZIP 17322, basement tests have a median of 8.8 pCi/L, while tests taken on the first floor have a median of 3 pCi/L (72 first-floor tests). The basement number runs 2.9 times the first-floor number, which is the usual pattern: radon comes up from the soil, so it is strongest at the lowest level and gets diluted as it moves up through the house.

It also explains why two neighbors can get very different results. One tested a finished basement, the other tested a first-floor bedroom. For a decision about mitigation, the test that counts is the one from the lowest level anyone spends time in.

Radon results by decade in ZIP 17322

The share peaked in the 2000s at 68.5% and sits at 62.9% for tests since 2020. That is a small move, well within what you'd expect from a shifting mix of home-sale tests and retests. 159 tests have been logged in 17322 since 2020, so people here are still testing.

Housing in Cross Roads and what it means for a system

Census Bureau, American Community Survey 2020 to 2024:

88% of homes in Cross Roads are single-family detached. A detached house with a basement is the easiest layout to mitigate: one suction point through the slab, a fan outside or in the garage, and a vent above the roof line. It is the standard sub-slab depressurization job covered step by step on our mitigation process page, and it usually lands in the middle of the cost range.

Cost-wise, most houses in Cross Roads are the standard $800 to $1,500 sub-slab job, with block walls or a second suction point pushing toward $2,500. Full ranges on the cost page.

Where we work in Cross Roads

Main roads include Church Road and Cross Roads Avenue. Public schools here are part of South Eastern School District. The borough, incorporated in 1899, is named for the crossroads where Church Road meets Cross Roads Avenue.

Installers must hold a PA DEP radon mitigation certification (how to check).

Common questions

Is radon a problem in Cross Roads?

Yes. PA DEP has 952 tests on record from the ZIP code covering Cross Roads, and 65.2% of them came back at or above the EPA's 4.0 pCi/L action level. 26.3% were at 20 pCi/L or more. The county-wide rate is 52.5%.

What is the average radon level in ZIP 17322?

The median of 952 PA DEP tests in ZIP 17322 is 7.6 pCi/L and the mean is 21.1 pCi/L. A mean that far above the median means a long tail of very high readings, topping out at 445 pCi/L.

Nearby

Felton 65.2%, Stewartstown 63.8%, Hopewell Township 58%, East Hopewell Township 64.6%, North Hopewell Township 62.2%. Share of PA DEP tests at or above 4.0 pCi/L, against 65.2% here.