Location details
1750 Deacoro Ln., Building 1, Suite 140, Castle Rock, CO
M-F 8am-5pm, CLOSED 12-1
RMS CASTLE ROCK
Drug & UA testing location in Castle Rock, CO. Call ahead to confirm hours before you go, since collection windows change.
About RMS CASTLE ROCK
RMS Castle Rock is the only listed testing site in Douglas County, open 8:00 AM to 5:00 PM on weekdays with a noon-to-1:00 PM closure. The nearest alternatives are RMS Centennial in Englewood and RMS Littleton, both to the north. No weekend hours are listed here.
Good to know
- Closes mid-day — check the lunch window before you go
Castle Rock is about 26 miles from downtown Denver. This is the only listed testing site in Castle Rock. The nearest other site is RMS CENTENNIAL, 15 miles away.
Other RMS locations in Colorado
- RMS CENTENNIALEnglewood, CO · 15 miles away
- RMS LITTLETONLittleton, CO · 18 miles away
- RMS AURORAAurora, CO · 24 miles away
- RMS DENVERDenver, CO · 26 miles away
- RMS NORTHGLENNNorthglenn, CO · 37 miles away
- RMS BRIGHTONBrighton, CO · 42 miles away
- RMS LONGMONTLongmont, CO · 58 miles away
- RMS PUEBLOPueblo, CO · 77 miles away
- RMS FT. COLLINSFort Collins, CO · 82 miles away
- RMS ALAMOSAAlamosa, CO · 142 miles away
- RMS - Grand JunctionGrand Junction, CO · 200 miles away
Do you have to call a UA line every day in Castle Rock?
Knowing where to test is only half of it — most people on probation also have to call a check-in line every morning to find out whether their number was called. UA Near Me makes that call for you, every day, and texts you the recording so you never miss a test.
See how it works