Inspection service
Radon Testing in San Diego
Radon is uncommon but not absent in San Diego County — granite-heavy areas inland can and do test elevated. A 48-hour continuous monitor test gives you an hour-by-hour record rather than a single guess.
Time on site
48-hour test period
Best for
Inland and East County properties, and any buyer who wants certainty
Scope
What's included
- Continuous radon monitor placement
- 48-hour minimum closed-house test
- Hourly data with tamper detection
- EPA action-level interpretation
- Mitigation guidance if elevated
Local reality
What we find most often in San Diego
- Elevated readings in finished basements and lower levels
- Slab penetrations and sump openings as entry points
- Test invalidation from open windows during the hold
Questions
Radon Testing FAQs
Is radon a real concern in San Diego?
County-wide averages are low, but individual homes still test above the EPA action level of 4.0 pCi/L. Testing is the only way to know for your address.
Also consider
Pair it with these inspections
Buyer's Home Inspection
The full top-to-bottom evaluation buyers rely on before closing.
Pre-Listing / Seller's Inspection
Find the deal-killers before a buyer's inspector does.
Termite / WDO Inspection
Wood-destroying organism evaluation for Southern California homes.
Sewer Scope Inspection
Camera the lateral before you inherit a five-figure repair.
Get started
Ready to know exactly what you're buying?
Tell us the address and your contingency deadline. We'll confirm availability and send a quote the same day.