Listed for: Mitigation
Verified:Florida state license
Call Florida Radon Mold & Air Conditioning LLC at (239) 821-9574No website listed
Locations and reports
Radon in Naples, Florida
EPA puts Collier County, where Naples is, in Zone 3, its lowest radon zone, and 22.7% of its 1,607 reported radon tests (2023) were at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Share at 4+ pCi/L
22.7%
4.2 pts above FL
- Collier
- 22.7%
- Florida
- 18.5%
Collier, 5th of 30 in FL, 2023
Median result
2.3pCi/L
Below action level
- Collier
- 2.3 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of Collier's tests, 2023
Nearest county
20.3%
Lee, 30 miles
- Lee
- 20.3%
- Collier
- 22.7%
1,224 tests, 2023
EPA radon zone
Zone 3
Low potential
- 1
- 2
- Zone 3
1 highest, 3 lowest
Collier, where Naples is
Tests reported
1,607
In Collier
- Collier
- 1,607
- Lee
- 1,224
Reported to CDC before any fix, 2023
Read a result for Naples
Starts at Collier County's median, 2.3 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 2.3 pCi/L
Between 2 and 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Collier County's median reported result, 2023.
The data
Naples, What is published
What is published for Naples
Information:
Every figure for Naples is a county's
Radon data is published by county, not by city, so for Naples it is Collier County's: its EPA zone (Zone 3) and the 1,607 tests reported to CDC for 2023. Only a test tells you about one home.
Naples covers 12.3 square miles of land, all of it in Collier County. About 20,114 people live there, 1,635 to the square mile.
Naples, Counties
The county Naples lies in
MeasuredCollier County's EPA zone and the figures CDC publishes for it, 2023.
Collier CountyZone 3Lower predicted potential
- 22.7%
- Reported tests at or above 4 pCi/L
- 2.3 pCi/L
- Median reported result
- 1,607 tests
- Tests reported to CDC
- 10
- Annual years on file
Collier County ranks 5th of 30 Florida counties with 30 or more tests for that period, 4.2 points above the 18.5% pooled across Florida's counties, 10.7 points below the national pool of 33.4%.
The counties nearest Naples with a CDC figure for 2023, measured from the middle of the city: Lee County (30 miles, 20.3% of 1,224 tests), Charlotte County (52 miles, 31.9% of 91 tests) and Sarasota County (79 miles, 12.3% of 496 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 9.4% to 40.1%; the farthest of them, Polk County, is 124 miles away at 11.0%.
The directory lists 2 businesses with an address in Naples, 1 for testing and 1 for mitigation. Florida's other cities with a page of their own: Gainesville, Miami, Venice and Fort Myers.
The counties around Naples
By distance from the middle of Naples; counties with 30 or more tests.
Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2023.
Naples, Geology
The ground under Naples
PredictedUSGS's geologic map puts all of Naples' mapped land in one class: low radon potential. 84.8% of it lies in the area the map calls Gulf/Atlantic Lowland and Central Highland, to which USGS gives a radon index of 6, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Gulf/Atlantic Lowland and Central Highland | sand, silt, clay, gravel | Low | 6 | 84.8% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Naples beside its county and Florida
Neither Naples nor Collier County as a whole has any land USGS rates above low potential. Across Florida 7.1% of the land is rated moderate; none of Naples' is.
The map rates the ground, not the air in any home.
Naples, Homes
Homes in Naples
Naples has 18,720 homes, and many share a building: 60% are in buildings of five or more, 31% are detached houses, against 42% across Collier County. The homes are older than Collier County's as a whole: half were built before 1982 (1996 for Collier County), and 5% date from before 1960. Owners live in 83% of the occupied homes (Collier County: 76%), so for most households a test and a fix are their own to order.
| Homes | Naples | Collier County | Florida |
|---|---|---|---|
| Housing units | 18,720 | 234,732 | 10,082,356 |
| Detached houses | 31% | 42% | 55% |
| In buildings of 5 or more | 60% | 36% | 25% |
| Mobile homes | 1% | 5% | 8% |
| Built before 1960 | 5% | 2% | 10% |
| Built since 2000 | 22% | 40% | 30% |
| Middle year built | 1982 | 1996 | 1988 |
| Owner-occupied | 83% | 76% | 67% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.
Local help
Naples, Professionals
Radon professionals listed in Naples
Businesses whose listed city is Naples, from the state registries and listings in the Radon411 directory, with the same business and certification status the directory shows.
Radon professionals listed in Naples: 1 of 2
2 listings with Naples as the city. See radon mitigation and testing in Naples, or all radon professionals in Florida.
Naples, Local resources
Local resources for Naples
Who to ask in Florida: its radon program, test kits and professionals.
What it means
Naples, Questions
Questions about radon in Naples
What radon zone is Naples in?
Naples takes its zone from Collier County, which EPA puts in Zone 3, the map's lowest class: a predicted county average under 2 pCi/L. A low zone does not clear a house: homes over the action level are found in all three.
What are radon levels in Naples?
Collier County's 1,607 tests for 2023 put 22.7% at or above 4 pCi/L: most tests near Naples come back under EPA's action level, but not all. The median reported result was 2.3 pCi/L.
Should I test my home in Naples?
Yes. Roughly one reported test in 4 in Collier County reached 4 pCi/L. That is above Florida's pooled 18.5%, and ranks Collier County 5th of the 30 Florida counties with 30 or more tests. Only a test puts a number on one house. How to test a home.
What ground is Naples built on, as far as radon goes?
USGS's geologic map puts 84.8% of Naples on one named area, "Gulf/Atlantic Lowland and Central Highland", rated low for radon potential, radon index 6.
Is radon higher in the counties around Naples?
Some are and some are not. Against Collier County's 22.7%, 3 of the 8 nearest counties with a figure report more and 5 less, from Broward County (9.4%, 81 miles off) to Palm Beach County (40.1%, 89 miles off).
Who tests for or fixes radon in Naples?
Radon411's directory has 2 businesses with an address in Naples, 1 listed for testing and 1 for mitigation. Every entry names the public list it was taken from. Radon professionals in Naples.
The answers use the published figures of Collier County, the county Naples lies in.
Explore