Free STD Testing in Castroville, CA

Find STD testing near me in Castroville, CA. Compare free and low-cost testing options and get tested for HIV, Herpes, Chlamydia, Syphilis, and other STIs.

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Medically reviewed by one or more members of the editorial board

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STD testing centers in Castroville, CA (Monterey County)

Quest Diagnostics

No Appointment Required

294 Reservation Rd, Marina, California 93933

6 mile

Tel: 8313846091


Tests Offered

  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Hepatitis A Testing
  • • Hepatitis B Testing
  • • Hepatitis C Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Rapid HIV Testing
  • • Conventional HIV Testing

See Tests & Prices

Today's best offer is: $10 off any order. Discount will be applied automatically.

Quest Diagnostics

No Appointment Required

631 E Alvin Dr Ste G1, Salinas, California 93906

7.96 mile

Tel: 8317512280


Tests Offered

  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Hepatitis A Testing
  • • Hepatitis B Testing
  • • Hepatitis C Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Rapid HIV Testing
  • • Conventional HIV Testing

See Tests & Prices

Today's best offer is: $10 off any order. Discount will be applied automatically.

Labcorp

No Appointment Required

1326 Natividad Rd. Suite A, Salinas, California 93906

7.99 mile

Tel: 8317720105


Tests Offered

  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Hepatitis A Testing
  • • Hepatitis B Testing
  • • Hepatitis C Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Rapid HIV Testing
  • • Conventional HIV Testing

See Tests & Prices

Today's best offer is: $10 off any order. Discount will be applied automatically.

Clinica de Salud del Valle de Salinas Castroville Medical Clinic

10561 Merritt St, Castroville, California 95012

0.37 mile

Tel: (831) 633-1514

Tel: (831) 633-0311


Appointment Required: Yes


Tests Offered

  • • Hepatitis B Testing
  • • TB Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Chlamydia Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Family Planning
  • • Adult Hepatitis B Vaccine
  • • Hepatitis A Vaccine
  • • STD Treatment

Prevention Services Offered

  • • TB Prevention/Education
  • • STD Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling
  • • Hepatitis Prevention/Education

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Medicare Accepted
  • • Sliding Scale
  • • Insurance Accepted

Learn More

Clinica de Salud del Valle de Salinas Main Clinic

2180 N Main, Salinas, California 93906

6.02 mile

Tel: (831) 443-2190

Tel: (831) 442-3600


Appointment Required: Yes


Tests Offered

  • • TB Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Chlamydia Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Family Planning
  • • Adult Hepatitis B Vaccine
  • • Hepatitis A Vaccine
  • • STD Treatment

Prevention Services Offered

  • • STD Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Medicare Accepted
  • • Sliding Scale
  • • Insurance Accepted

Learn More

Planned Parenthood Mar Monte Salinas Health Center

If you are uninsured, you may qualify for a state-funded program or a lower fee scale. Fees for services are based on your household income.

316 N Main St, Salinas, California 93901

7.97 mile

Tel: (831) 758-8261

Tel: (831) 758-3475


Appointment Required: No


Tests Offered

  • • Hepatitis B Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Rapid HIV Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Family Planning
  • • Adult Hepatitis B Vaccine
  • • Pre-Exposure Prophylaxis (PrEP)
  • • Human Papillomavirus Vaccine
  • • STD Treatment

Prevention Services Offered

  • • STD Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling
  • • Hepatitis Prevention/Education
  • • Condom Distribution

Support Services

  • • PrEP Navigation

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Insurance Accepted
  • • Donations Accepted
  • • PrEP for uninsured

Learn More

Natividad Outpatient NIDO Clinic

1441 Constitution Blvd, Bldg 760, Salinas, California 93906

8.11 mile

Tel: (831) 796-1770


Appointment Required: No


Tests Offered

  • • Hepatitis A Testing
  • • Hepatitis C Testing
  • • Hepatitis B Testing
  • • TB Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Rapid HIV Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Medication Adherence Education and Counseling
  • • Adult Hepatitis B Vaccine
  • • Hepatitis A Vaccine
  • • Hepatitis B Treatment
  • • Hepatitis C Treatment
  • • HIV/AIDS Medical Treatment
  • • Post-Exposure Prophylaxis (PEP)
  • • Pre-Exposure Prophylaxis (PrEP)
  • • Human Papillomavirus Vaccine
  • • STD Treatment
  • • TB Treatment

Prevention Services Offered

  • • TB Prevention/Education
  • • STD Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling
  • • Hepatitis Prevention/Education
  • • Condom Distribution

Support Services

  • • PrEP Navigation
  • • Case Management
  • • Drug Purchasing Assistance, including AIDS Drug Purchasing Assistance (ADAP)
  • • Ryan White Services

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Sliding Scale
  • • Insurance Accepted
  • • Free HIV Testing

Learn More

Access Support Network

Due to COVID-19 in-office appointments and visits are being limited in an effort to support the health and well-being of our clients and staff. Call 831-975-5015 to determine current operating status.

340 Church St, Salinas, California 93901

8.34 mile

Tel: (831) 975-5016


Appointment Required: Yes


Tests Offered

  • • Hepatitis A Testing
  • • Hepatitis C Testing
  • • Hepatitis B Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Rapid HIV Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Pre-Exposure Prophylaxis (PrEP)

Prevention Services Offered

  • • STD Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling
  • • Hepatitis Prevention/Education
  • • Condom Distribution

Support Services

  • • PrEP Navigation
  • • Case Management
  • • Drug Purchasing Assistance, including AIDS Drug Purchasing Assistance (ADAP)
  • • Ryan White Services
  • • Housing Opportunities for Persons with AIDS/HOPWA

Fees & Payment Information

  • • Fee
  • • Free HIV Testing
  • • Free Hepatitis C Testing
  • • PrEP for uninsured

Learn More

Monterey Health Department Laurel Family Practice

1441 Contitution Blvd, Bldg 400 Ste 300, Salinas, California 93906

8.37 mile

Tel: (831) 769-8640


Appointment Required: Yes


Tests Offered

  • • Hepatitis A Testing
  • • Hepatitis C Testing
  • • Hepatitis B Testing
  • • TB Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Medication Adherence Education and Counseling
  • • Adult Hepatitis B Vaccine
  • • Hepatitis A Vaccine
  • • Hepatitis B Treatment
  • • Hepatitis C Treatment
  • • HIV/AIDS Medical Treatment
  • • Post-Exposure Prophylaxis (PEP)
  • • Pre-Exposure Prophylaxis (PrEP)
  • • Human Papillomavirus Vaccine
  • • STD Treatment

Prevention Services Offered

  • • STD Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Sliding Scale
  • • PrEP for uninsured

Learn More

Monterey County Health Department Alisal Health Center

559 E Alisal St, Ste 201, Salinas, California 93905

9.05 mile

Tel: (831) 769-8800

Tel: (831) 422-9312


Appointment Required: Yes


Tests Offered

  • • Hepatitis C Testing
  • • Hepatitis B Testing
  • • TB Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Family Planning
  • • Substance Abuse Treatment
  • • Adult Hepatitis B Vaccine
  • • Hepatitis A Vaccine
  • • Human Papillomavirus Vaccine
  • • STD Treatment
  • • TB Treatment

Prevention Services Offered

  • • TB Prevention/Education
  • • STD Prevention/Education
  • • Partner Notification
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling

Support Services

  • • Case Management

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Medicare Accepted
  • • Sliding Scale
  • • Insurance Accepted

Learn More

Clinica de Salud del Valle de Salinas Circle Medical Clinic

950 Circle Dr, Salinas, California 93905

9.18 mile

Tel: (831) 757-6237

Tel: (831) 757-8458


Appointment Required: Yes


Tests Offered

  • • Hepatitis A Testing
  • • Hepatitis C Testing
  • • Hepatitis B Testing
  • • TB Testing
  • • Syphilis Testing
  • • Chlamydia Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Family Planning
  • • Adult Hepatitis B Vaccine
  • • Hepatitis A Vaccine
  • • STD Treatment

Prevention Services Offered

  • • TB Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling
  • • Hepatitis Prevention/Education

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Medicare Accepted
  • • Sliding Scale
  • • Insurance Accepted

Learn More

Clinica de Salud del Valle de Salinas Sanborn Medical Clinic

219 N Sanborn Rd, Salinas, California 93905

9.27 mile

Tel: (831) 757-1365

Tel: (831) 757-2824


Appointment Required: Yes


Tests Offered

  • • Hepatitis B Testing
  • • TB Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Chlamydia Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Family Planning
  • • Adult Hepatitis B Vaccine
  • • Hepatitis B Treatment
  • • STD Treatment
  • • TB Treatment

Prevention Services Offered

  • • STD Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Medicare Accepted
  • • Sliding Scale
  • • Insurance Accepted

Learn More

Clinica de Salud del Valle de Salinas Pajaro Clinic

29-A Bishop Rd, Pajaro, California 95076

9.44 mile

Tel: (831) 728-2505

Tel: (831) 728-2636


Appointment Required: Yes


Tests Offered

  • • TB Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Chlamydia Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Family Planning
  • • Adult Hepatitis B Vaccine
  • • Hepatitis A Vaccine
  • • STD Treatment

Prevention Services Offered

  • • STD Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Medicare Accepted
  • • Sliding Scale
  • • Insurance Accepted

Learn More

Monterey Health Department Seaside Family Health Center

Free condoms available.

1156 Fremont Blvd, Seaside, California 93955

10.68 mile

Tel: (831) 899-8100

Tel: (831) 899-8105


Appointment Required: Yes


Tests Offered

  • • Hepatitis C Testing
  • • Hepatitis B Testing
  • • TB Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Family Planning
  • • Substance Abuse Treatment
  • • Adult Hepatitis B Vaccine
  • • Pre-Exposure Prophylaxis (PrEP)
  • • Human Papillomavirus Vaccine
  • • STD Treatment
  • • TB Treatment
  • • Primary Care

Prevention Services Offered

  • • STD Prevention/Education
  • • Partner Notification
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling
  • • Condom Distribution
  • • Harm Reduction
  • • Needle Cleaning, Needle Exchange or Needle Distribution

Support Services

  • • Case Management

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Medicare Accepted
  • • Sliding Scale
  • • Insurance Accepted

Learn More

Salud Para La Gente

204 E Beach St, Watsonville, California 95076

10.7 mile

Tel: (831) 728-0222

Tel: (831) 707-2777


Appointment Required: Yes


Tests Offered

  • • Hepatitis C Testing
  • • Hepatitis B Testing
  • • TB Testing
  • • Gonorrhea Testing
  • • Syphilis Testing
  • • Herpes Testing
  • • Chlamydia Testing
  • • Conventional HIV Testing

Care Services Offered

  • • Family Planning
  • • Adult Hepatitis B Vaccine
  • • Hepatitis A Vaccine
  • • Human Papillomavirus Vaccine
  • • STD Treatment
  • • TB Treatment

Prevention Services Offered

  • • STD Prevention/Education
  • • HIV/AIDS Prevention/Education
  • • HIV Test Counseling
  • • Condom Distribution

Support Services

  • • Case Management

Fees & Payment Information

  • • Fee
  • • Medicaid Accepted
  • • Medicare Accepted
  • • Sliding Scale
  • • Insurance Accepted
  • • Donations Accepted

Learn More

Do I have an STD?

Use our confidential STD symptom checker to get an idea of what STDs/STIs your symptoms align with and what STD tests are recommended to you.

Start Symptom Checker

Which Method of STD Testing is Suitable for Me?

STD testing options in Castroville, CA

Every sexually active individual must protect their sexual health. Regular STD testing is the only way to care for your sexual health. However, sometimes it becomes confusing to select the right testing method as there are so many options available. For your convenience, we have gathered information about all available STD testing methods in Castroville, California. Check them out to find out which option is suitable for you.

Private testing (Walk-in clinic)

This is one of the most popular ways to get tested for STDs today. These tests combine the best of both worlds for convenience and accuracy. You will order the test online at home, but you can walk into a professional lab testing center to get tested.

Doctor's office

Another option is to simply visit your regular clinic and talk to your doctor.

At-home STD testing

If you do not want to visit a testing center, then a great alternative is an at-home test kit. You don’t even need to leave your house to get tested for STDs this way, which makes it the most discreet option. Everything is done through email and snail mail.

Community health centers and community clinics

One last option for STD testing is a trip to a free clinic. If you go to a public STD-testing clinic, then you may get a free or discounted test, depending on your financial situation.

Learn more in our ultimate guide to STD testing.

Are STD tests expensive in Castroville, CA?

It can be, but it does not necessarily have to be. What many people need to understand is that laboratory tests would most often than not be relatively pricey due to the technology that is being utilized behind these diagnostic techniques. However, opting for specific laboratories that offer more convenient testing procedures and discounted prices for diagnostic tests would help ensure that the price will not be much of an issue in providing you with the conclusive diagnosis of your condition. It might take some independent scanning to find the right testing center for you in the most acceptable price range, but it is not as impossible as many people make it out to be.

How long does it usually take for results to come back for an STD test in Castroville, CA?

Considering that a wide variety of testing kits and laboratory procedures can be performed to determine conclusively whether you have a particular STD or not, the time that it will take for your results to return will also be subject to the same inconsistency. Although there are specific laboratories that could produce your results even by the end of the day (albeit, it is extremely rare for institutions to do so unless necessary), most would often take a few days to a week before the results are either delivered or posted online through your secure personal profile (in the case of online transactions). In addition to that, the capability of the laboratory performing the test may also contribute to the overall timeframe of result delivery – causing delays in cases where there are several requests or understaffed to provide expedited results.

For more information, skip to the FAQs section on this page.

Test Advisor

Types of STD tests

Know all about STD testing options, and the costs of different STD tests.

STD testing FAQs

A nucleic acid amplification test is a laboratory procedure that professionals often perform to make detecting a particular nucleic acid or gene being targeted easier and more convenient while still ensuring that the sample being collected is relatively minimal. Nucleic acid amplification tests, or NAATs, are usually the mainstay diagnostic test for most STDs due to their ability to detect the presence of pathogenic nucleic acids and genes in the patient sample with utmost accuracy and speed. NAATs depends on their ability to replicate the target RNA and DNA to create numerous copies – resulting in an increased convenience in the detection of the desired molecules instead of trying to either blindly look for one strand in a minuscule sample or collecting a large sample that could make the patient uncomfortable throughout the process. Although NAATs are often preferred for a more conclusive diagnosis of STDs, certain exceptions such as the availability of resources and instances of intermittent viral shedding could make NAATs less desirable than other tests. Fret not, however, as your physician is knowledgeable regarding these instances and would often request the best diagnostic procedure for your instances.

Although NAATs are well-known for their accuracy and sensitivity in detecting most STDs, it is also subject to certain inconsistencies, especially in the case of herpes infections. In Herpes, outbreaks often result in a relative increase in the patient’s viral load – leading to a timeline that usually has specific peaks at certain intervals instead of a consistent rise in viral load throughout. As such, sensitive tests such as NAATs are still unable to accurately diagnose herpes conditions, especially in cases where the patient has recently become asymptomatic and is currently between outbreaks. Other tests such as culture testing and type-specific virologic tests are often employed instead as a confirmatory diagnosis for the patient’s condition.

Yes. Certain companies offer at-home testing kits wherein you are the one that will collect the specimens necessary for the test at the comfort of your own home. Sure, it might sometimes be subject to errors due to the potential contamination of the sample from collection to transportation, but it does offer a great deal of privacy and convenience for patients who would prefer to have their identities hidden in fear that their community will judge them.

It does vary on a case-to-case basis. Insurance policies are often particular with the instances that they would be covering with their program. Some may cover severe accidents, some may even consider “orphan disease,” and yes, some may also cover the expenses for performing STD diagnostic tests. However, considering that your insurance provider will have to verify the person's identity availing of the program, STD testing laboratories that employ a minimal collection of patient information may not accept insurance policies to prioritize privacy over affordability.

Similar to what was previously mentioned, herpes infections are known for their recurring tendencies – causing outbreaks now and then and thus causing an intermittent spike in the patient’s viral load for specific instances. In addition to that, other STDs also take time to proliferate and produce a sufficient viral load that could warrant a positive and, more importantly, accurate diagnosis and detection from the tests being administered. As such, detecting an STD a few days following exposure is often complex and unpredictable – leading physicians to follow a certain timeframe instead for testing STDs instead of blindly testing immediately following exposure. Physical exams, however, may supplement inaccurate laboratory diagnoses, especially in cases where the test is prone to false results.

Concerned about an STD?

Help stop the spread of STDs by knowing your status. Get tested today!