STD Testing in Castle Rock, CO
You can order an STD test online and give your sample at one of 3 test centers in Castle Rock (2 Labcorp and 1 Quest Diagnostics) used by STDcheck and HealthLabs. Single tests start at $39 with STDcheck's coupon, and the Full STD Panel is $139 ($129 with code 10OffOrder). There's no doctor's visit or insurance involved, and STDcheck says results come back in 1–2 days. at least 8 more are within 15 miles.
Order an STD test for Castle Rock
The price is the same at every Castle Rock test center. Order online, choose your center from the provider's list, give your sample, and see results online.
We may earn a commission when you order through our links. Your price is the same. Details
| Test | Provider | Price | Order |
|---|---|---|---|
| Chlamydia & Gonorrhea Combined Test | STDcheck | $99 $89 with code | Order |
| Chlamydia Test | STDcheck | $59 $49 with code | Order |
| HIV 1 & 2 Antibody Test | STDcheck | $49 $39 with code | Order |
| Syphilis Test | STDcheck | $49 $39 with code | Order |
| Herpes 1 & 2 Test | STDcheck | $79 $69 with code | Order |
| Full STD Panel Panel | STDcheck | $139 $129 with code | Order |
| Extended STD Panel Panel | STDcheck | $259 | Order |
See all 32 STD tests and panels →
Test centers in Castle Rock
The 3 centers STDcheck and HealthLabs list in Castle Rock, across ZIP codes 80104, 80108, 80109. Hours are as listed by the providers on October 27, 2026; check before you go.
Source: STDcheck and HealthLabs test-center finder, checked October 27, 2026. SafeHealthCheck isn't affiliated with these labs; you don't book or pay at the center.
More test centers within 15 miles
- Quest Diagnostics, 10103 Ridgegate Pkwy, Ste 121, Lone Tree, CO 80124 · 9.4 mi from central Castle Rock · Directions
- Labcorp, 10103 Ridgegate Pkwy, Ste 123, Lone Tree, CO 80124 · 9.4 mi from central Castle Rock · Directions
- Labcorp, 9331 S Colorado Blvd, Highlands Ranch, CO 80126 · 11.3 mi from central Castle Rock · Directions
- Quest Diagnostics, 8080 Park Meadows Dr, Ste 120, Lone Tree, CO 80124 · 11.8 mi from central Castle Rock · Directions
- Quest Diagnostics, 9397 Crown Crest Blvd, Ste 200, Parker, CO 80138 · 11.9 mi from central Castle Rock · Directions
- Labcorp, 9399 Crown Crest Blvd, Ste 230, Parker, CO 80138 · 12.0 mi from central Castle Rock · Directions
- Quest Diagnostics, 8199 Southpark Ln, Ste 110, Littleton, CO 80120 · 14.0 mi from central Castle Rock · Directions
- Labcorp, 7780 S Broadway, Ste 140, Littleton, CO 80122 · 14.0 mi from central Castle Rock · Directions
You choose your exact center after ordering.
Free and low-cost testing in Castle Rock
If cost is the main concern, public-health clinics in Colorado may offer free or lower-cost testing, usually with set hours or appointments. Ordering online is the faster option when you want to choose the time and place yourself.
- CDC GetTested locator: Search by ZIP code for free and low-cost STD and HIV testing sites near you.
Questions about STD testing in Castle Rock
How much does STD testing cost in Castle Rock?
Ordered online, single STD tests start at $39 with STDcheck's $10 coupon, and the Full STD Panel costs $139 ($129 with the code). The price is the same at all 3 Castle Rock test centers. Public-health clinics in Colorado may offer free or lower-cost testing.
Is there a Labcorp test center in Castle Rock?
Yes, 2: 14 E Allen St (ZIP 80108); 2352 Meadows Blvd, Suite 220a (ZIP 80109).
Is there a Quest Diagnostics test center in Castle Rock?
Yes, one: 880 S Perry St (ZIP 80104).
Which Castle Rock test center opens earliest?
The Quest Diagnostics at 880 S Perry St opens at 7:00 AM (Mon-Fri 7:00 AM-4:00 PM). The latest closing time listed is 4:00 PM, at the Quest Diagnostics on 880 S Perry St.
Are any Castle Rock test centers open on Saturday?
None of the 3 centers in Castle Rock list Saturday hours. Check the nearby centers on this page or use the ZIP search.
STD testing near Castle Rock
All STD testing locations in Colorado → · All states →
SafeHealthCheck is a comparison site, not a clinic or lab. Prices come from each provider's website and can change; the provider's checkout shows the final price. SafeHealthCheck does not provide medical advice.