Radon Testing in Rockville, Maryland
Need a radon test in Rockville? RADON & CO provides fast, NRPP-certified 48-hour radon testing for homeowners, real estate transactions, rentals, property managers, and commercial projects.
Radon testing across Rockville's neighborhoods
Rockville is one of the most varied housing markets RADON & CO tests in Montgomery County. Twinbrook's older, Metro-adjacent townhomes and single-family homes sit alongside the newer, master-planned communities of King Farm and Fallsgrove, where townhomes and detached homes were built to more consistent slab and basement standards. Around Rockville Town Center, testing more often means a condo or townhouse-style unit within walking distance of the Rockville Metro station and the county courthouse.
Because Montgomery County's mandatory pre-sale radon testing law applies to detached homes and townhomes but not to units inside a condominium regime, a Town Center condo sale doesn't legally require a test the way a Twinbrook rowhome sale does — though we're glad to test any unit on request. For everything else, device placement follows the same NRPP protocol: lowest livable level, away from drafts, exterior walls, and known interference sources, for a minimum 48-hour closed-house test.
Pricing
Residential radon testing in Rockville is $125 flat rate (Montgomery County pricing), including monitor placement, the 48-hour test, pickup, and an electronic report.
Services in and near Rockville
- Residential radon testing
- Real estate radon testing
- Rental property testing
- Commercial radon testing
- Property manager and portfolio testing
Nearby areas we also serve
How the 48-hour test works
We schedule the appointment, place a professional digital radon monitor, measure during the testing window, retrieve the device, and deliver an electronic report.