STD Testing in Walnut, CA: Free, Same-Day & Confidential
In Los Angeles County, reported gonorrhea runs about 63% higher than the US average. If you've had a recent risk or test regularly in Walnut, California, you can choose between community clinics and public health departments, which are often low-cost or free, or private labs, which may offer faster results and more flexible scheduling. You'll find both types of options in the list below.
11 testing options are listed for Walnut, CA. The nearest, Quest Diagnostics, is about 3.0 miles away. Compare community and public clinics, private labs, and at-home kits below.
How to read these listings
Listings tagged Community health center are federally funded health centers and rural clinics that treat everyone regardless of insurance or ability to pay: required to bill on a sliding fee scale and provide confidential care, and in many states minors may consent to their own STI testing. A Title X tag flags centers funded for confidential family-planning services; confirm current participation when you call.
Source: CMS FQHC & Rural Health Clinic enrollment files (data.cms.gov), refreshed quarterly. Title X status reflects the latest OPA grantee list.
Premium Partner
Quest Diagnostics
Most popular Results in 1–2 days
3.5(70)?
Review sources
Google65
EasySTD5
Rated 3.5 out of 5 from 70 reviews
Address
750 North Diamond Bar Boulevard, Diamond Bar, CA 91765 3.0 miles away
Today's offer: $10 off any test panel, applied automatically at checkout.
Community health center 3.0 miles
Garfield Health Center Rowland Heights
4.1(40)?
Review sources
Google36
EasySTD4
Rated 4.1 out of 5 from 40 reviews
Garfield Health Center Rowland Heights, in Rowland Heights, anchors its STI care in a sliding-scale fee structure tied to income. Meaning cost adjusts to what patients actually earn. Walk-ins are welcome for syphilis, gonorrhea, and chlamydia screening without needing an appointment first.
Sliding-scale
Address
19138 East Walnut Drive North, Suite 202, Rowland Heights, CA 91748
AltaMed Medical Group - West Covina, Amar in West Covina carries federally qualified health center standing, which translates directly into sliding-scale fees tied to income for STI screening. Walk-ins are welcome for syphilis, gonorrhea, and chlamydia testing, with costs adjusted so that ability to pay never determines access to care.
AltaMed PACE - Covina carries federal qualification as a community health center, meaning its STI screening (syphilis, gonorrhea, and chlamydia) is priced on a sliding scale tied to each patient's income, with no appointment needed to get started.
Friends of Family Health Center - la Puente earned its federally qualified designation by committing to sliding-scale fees tied directly to household income, making syphilis, gonorrhea, and chlamydia screening available without financial barriers. Walk-ins are welcome, and no appointment is needed to access STI care here.
SCHG Rowland Heights Clinic, in Rowland Heights, welcomes walk-in patients for STI screening without an appointment. Backed by federal FQHC standing, it charges fees on a sliding scale tied to income. A single visit can cover syphilis, gonorrhea, and chlamydia testing.
Sliding-scale
Address
18399 Colima Road, Suite A, Rowland Heights, CA 91748
East Valley Community Health Center in Covina runs by appointment, so every visit is structured around your time: covering the full panel, gonorrhea and chlamydia treated same day, vaccines, and HIV medical management, with all services provided at no fee.
Read full overviewShow less
Every Service Runs on Zero Cost
Every test, treatment, and counseling session at East Valley carries no charge, which means the scope of care you receive isn't shaped by what you can afford to add to the visit. You book the appointment you need, not a trimmed version of it.
Spanish-Language Care Is Staffed, Not Sourced
East Valley operates with on-site Spanish-language capacity and interpretation services for other languages, so treatment conversations, medication adherence counseling, and follow-up planning happen in real time without a lag. That operational fluency runs through every clinical touchpoint, not just check-in.
Herpes and Hepatitis Tested Alongside the Standard Four
Beyond gonorrhea, chlamydia, syphilis, and HIV, East Valley runs herpes, hepatitis B, and hepatitis C testing in the same appointment. Those additional tests are ordered, processed, and reviewed through the same clinical workflow. No separate referral chain or secondary scheduling required.
English, Interpretation Services Available for Non-English Languages, Spanish
Tests offered
Hepatitis C
Hepatitis B
Gonorrhea
Syphilis
Herpes
Chlamydia
Rapid HIV
Serves
Adolescents/Youth/Teens
Low Income Persons
Persons with STI
Pregnant Women
Young Adults
Care services
Family Planning
Medication Adherence Education and Counseling
STI Treatment
Human Papillomavirus Vaccine (HPV)
HIV/AIDS Medical Treatment
Hepatitis A Vaccine
Adult Hepatitis B Vaccine
Prevention services
STI Prevention/Education
HIV/AIDS Prevention/Education
HIV Test Counseling
Hepatitis Prevention/Education
Condom Distribution
Fees & payment
Medicaid Accepted
Medicare Accepted
Fee
Insurance Accepted
Free HIV Test
Listing verified Sep 2025 · Source: CDC NPIN
Community health center 4.4 miles
BHS Mobile Health Center
No ratings yet
BHS Mobile Health Center in Pomona welcomes walk-ins for STI screening without an appointment. Federally qualified standing backs its sliding-scale fees, so cost adjusts to income for a standard panel covering syphilis, gonorrhea, and chlamydia. All handled in a single visit.
Beyond the dedicated testing centers above: at-home kits by mail, hospital labs certified for STI testing, local clinicians who can order a panel during a regular visit, pharmacies for self-test kits and prescriptions, and online PrEP & treatment.
The nearest testing center is about 3 miles away, if you'd rather skip the trip, an at-home kit ships to Walnut, you collect the sample privately, and mail it back to a CLIA-certified lab. Results come online in days, with a clinician available if anything is positive. Same labs as a clinic, no waiting room, and you can read how accurate at-home STD tests are before you order.
Want a free option first? The CDC-supported TakeMeHome program mails free at-home HIV self-test kits, and, in many areas, free STI kits, to your door, with no insurance or payment needed. The paid kits below add broader panels and faster turnaround.
In-home collection
Quest Diagnostics
$79 & up
Panel:
8-infection panel incl. chlamydia, gonorrhea, HIV, syphilis, hepatitis & herpes: single tests too
Sample:
Quest Mobile: a phlebotomist collects your sample at home
Every kit uses CLIA-certified labs. At-home testing is for screening; a reactive result should be confirmed and treated by a clinician. Prices and panels shown are illustrative and change often, confirm current details on the provider's site.
Also in the area
Other CLIA-certified labs near Walnut, CA
Beyond the public testing sites above, these federally certified (CLIA) labs serve Los Angeles County, each lab's town is shown on its card below. Many test through a doctor's order or by appointment rather than walk-in, so call ahead to confirm STD/STI testing and availability before visiting.
LEO Treyzon
9454 Wilshire Boulevard, Suite 510A, Beverly Hills, CA 90212
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Walnut. A CLIA certificate records only that a laboratory is federally certified — it does not confirm the site performs STD testing, nor its hours, price or access. Inclusion is not an endorsement; always call to verify.
Local clinicians
Clinicians near Walnut, CA who may help arrange STD testing
Beyond dedicated clinics, 7,408 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Walnut. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 2,624 offer telehealth.
RH
Rizwana Hussain, MD Telehealth
Internal medicine · 888 Brea Canyon Road, Diamond Bar
These are registry-listed clinicians, not dedicated STD-testing clinics. CMS records do not independently verify current licensure, testing services, availability, price, or new-patient status. Confirm each detail before booking. Source: CMS Doctors & Clinicians.
Nearby pharmacies
Pharmacies near Walnut, CA
Compare the pharmacies closest to Walnut, CA. Contact a location directly to confirm pharmacy-counter hours, services, prices, and product availability before visiting.
1.5 mi
Rx pickupOTC HIV self-testAt-home STI kitsMinuteClinic STI careHPV & Hep B vaccinesCondoms / EC
Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.
Prevention & treatment
PrEP, prevention & online treatment
Testing is one step. For residents of Walnut, telehealth covers the rest: HIV-prevention medication (PrEP) and DoxyPEP to lower future risk, and discreet online treatment if a result comes back positive. All prescribed by licensed U.S. clinicians.
PrEP & DoxyPEP
Q Care Plus
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
Pricing varies by insurance and changes often, confirm on the provider's site. These services are not a substitute for emergency care.
STD stats & rates
STDs & HIV in Los Angeles County: the local picture
How reported STI rates in Los Angeles County, the county that includes Walnut, compare with California and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~21% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#6
#6 of 58 California counties for chlamydia, a higher rate than 90% of the state
Reported STD rates per 100,000, Los Angeles County vs California vs U.S.
Los Angeles CountyCaliforniaU.S.▲▼ = Los Angeles County vs the state average
Infection
Los Angeles County
California
United States
Chlamydia
602.358,200 cases▲ 23%
491.1
492.2
Gonorrhea
291.828,195 cases▲ 53%
190.2
179.5
Syphilis (P&S)
21.62,085 cases▲ 33%
16.3
15.8
Syphilis (early)
33.13,198 cases▲ 73%
19.1
16
Syphilis (late/unknown)
50.24,848 cases▲ 7%
46.7
29.5
Rates per 100,000 population, 2023. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis). Population figures: U.S. Census Bureau ACS. These figures are the latest available surveillance estimates. Bars are scaled to the highest rate shown.
Reading these numbers: reported case rates only count infections that were actually tested for and diagnosed, so they track local screening effort as much as true spread: a higher rate can reflect more testing, a lower one less. Either way, most STIs cause no symptoms, so treat the figures above as context rather than a verdict, and test on the CDC's schedule regardless of how your area looks.
Reported STD rates in Los Angeles County over time (per 100,000)
Chlamydia ▲ 2% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
Between 2020 and 2023 in Los Angeles County, chlamydia has risen from 529.6 to 602.3 per 100,000 (14%), gonorrhea has risen from 259.8 to 291.8 per 100,000 (12%), and P&S syphilis has fallen from 22.6 to 21.6 per 100,000 (4%).
The 2020 dip reflects reduced pandemic-era screening, not lower transmission. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis).
Community health context
What shapes testing access in and around Walnut, CA
Adults uninsured
5.4%
No routine checkup
23.9%
No transportation
5.9%
Binge drinking
10.6%
Frequent mental distress
11.4%
Depression
13.4%
Below poverty line
7.7%
Primary-care ratio
1,326 : 1
Los Angeles County
Primary-care shortage score 21 / 26
Medically Underserved Area · IMU 47.9
Social Vulnerability Index · 86th percentile nationally
Sources: CDC PLACES (ZIP), County Health Rankings, CDC/ATSDR SVI, HRSA HPSA, HRSA MUA/P, Neighborhood Atlas ADI. Lower insurance coverage, fewer routine checkups, and a thin primary-care ratio all raise the value of low-cost public clinics and at-home testing in Los Angeles County.
Local HIV snapshot
HIV in Los Angeles County (2023)
Federal priority area: Los Angeles County is one of 48 U.S. counties prioritized under the Ending the HIV Epidemic initiative: targeted federal funding to expand local HIV testing, PrEP, and prevention.
People living with HIV
622 / 100k
New diagnoses (2023)
1,627cases countywide
On PrEP (coverage)
30%
Los Angeles County HIV care continuum (2023)
Los Angeles County recorded 19.6 new HIV diagnoses per 100,000 (2023), against 14.9 statewide and 13.7 nationally. Among Los Angeles County residents living with HIV, 91.6% know their status · 72.8% are in care · 65.2% are virally suppressed. Early, routine testing is what moves these numbers: it is the entry point to PrEP, treatment, and viral suppression.
Sources: AIDSVu (Emory/Gilead) · CDC AHEAD · CDC AtlasPlus · CDC NCHHSTP AtlasPlus (county care continuum). The CDC recommends everyone aged 13–64 test for HIV at least once: every lab and clinic listed above offers HIV testing, and free rapid HIV testing is available at a local health department.
Pregnant or planning to be?Congenital syphilis is the fastest-rising STI: what to test, and when
Congenital syphilis, passed from parent to baby in pregnancy, is the fastest-rising STI in the country. U.S. cases climbed from 2,163 in 2020 to 3,882 in 2023. It is almost entirely preventable: the CDC recommends a syphilis test at the first prenatal visit, and every clinic and lab listed for Los Angeles County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Compiled and checked by EasySTD's editorial team against CDC and public-health sources. This is educational information, not a substitute for advice from a licensed clinician. Our editorial guidelines →
East Amar Road cuts through a Walnut where most households have owned their homes for years, and that stability shapes daily life in ways that matter for health planning. With more than half of all households bringing in six figures and over half of adults married, there is a tendency to think of serious health maintenance as something already handled, something covered by a partner's plan or folded into an established routine. But a high ownership rate and comfortable household incomes do not automatically translate into time or scheduling flexibility, and the labor-force participation here leaves a meaningful share of working-age residents outside a traditional employer-sponsored benefits structure that would prompt routine checkups.
Large household sizes, common in this community, mean that the adults in their late teens and twenties living in those homes often share transportation and calendars with the rest of the family. Testing options listed on this page extend across the area in and around Walnut, so a quick search before heading out toward Temple Avenue or North Grand Avenue can tell you which site fits a lunch break or a Saturday morning without adding a long detour.
Los Angeles County STI rates give context for why young adults forming new relationships benefit from easy access to screening. Rent in this zip code runs steep even by Southern California standards, so cost transparency at the listed options is worth checking early in the process.
Getting there
How residents reach STD testing in Walnut, CA
Walkability12.13 / 20 · Above average
Walnut scores 12.13/20 on the EPA walkability index, so many trips are walkable or a short ride, though a car still gives you the widest choice of testing centers.
Source: EPA National Walkability Index 2021.
ZIP 91789 snapshot
Residents
40,933
Median age
46.3
Median income
$125,742
ZIP-level Census figures for the wider 91789 area around Walnut: a single ZIP can span several communities, so they describe the area, not Walnut alone.
Walnut sits in Los Angeles County, ZIP 91789. Local context that shapes where residents test:
Local landmarks
Frank G. Bonelli Regional Park
Walnut Ranch Park
Suzanne Park
Arroyo Park
Snow Creek Park
Lemon Creek Bicentennial Park
Neighborhoods & communities
Diamond Bar
Major routes
East Amar Road
Amar Road
North Grand Avenue
Temple Avenue
Grand Avenue
Nearby cities & towns
STD testing near Walnut, CA
Just outside Walnut? These nearby communities have their own testing guides: clinics, at-home kits, and free screening close to home.
STD testing in Walnut, CA: screening, costs & privacy
Everything to know before you test in Los Angeles County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under California law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.
Who should test, and whenCDC screening schedule + each infection's detection window
Who should get tested, and how often
Based on current CDC screening recommendations.
Group
Tests
How often
Everyone aged 13–64
HIV
At least once
Sexually active women under 25
Chlamydia, gonorrhea
Every year
Women 25+ with new or multiple partners
Chlamydia, gonorrhea
Every year
Pregnant people
HIV, syphilis, hepatitis B & C, chlamydia
Early in pregnancy
Gay & bisexual men (MSM)
Chlamydia, gonorrhea, syphilis, HIV
Every 3–6 months
Anyone who shares injection equipment
HIV, hepatitis B & C
At least yearly
All adults at least once
Hepatitis C
At least once
When to test: STD detection windows
Testing too early can return a false negative, confirm timing with a Walnut-area provider.
What each STD test costsMedicare reference prices per lab test, a benchmark before you pay out of pocket
These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Walnut often test free or on a sliding scale; private labs and at-home kits bundle several tests into one fee. Use this as a per-test benchmark before you pay out of pocket, or see the full guide to STD test costs for insurance, free, and at-home options.
Test
Reference price
CPT / HCPCS
Chlamydia (NAAT)
$47.80
87491
Gonorrhea (NAAT)
$47.80
87591
Trichomoniasis (NAAT)
$47.76
87661
HIV-1/2 antigen/antibody
$26.87
87389
HIV-1/2 antibody
$22.44
86703
Syphilis (RPR/VDRL)
$5.61
86592
Syphilis (treponemal antibody)
$17.49
86780
Herpes (HSV NAAT)
$47.76
87529
Hepatitis B surface antigen
$15.33
87340
Hepatitis C antibody
$29.16
86803
Source: Medicare Clinical Laboratory Fee Schedule, CMS, 2025 rates (data.cms.gov). Reference rate for the lab assay only: a clinic visit, sample collection, or a bundled multi-test panel may cost more. Medicaid and most insurers cover STD screening at no out-of-pocket cost.
Confidentiality & consent in CaliforniaMinor consent and partner treatment (EPT) under state law, plus how to test privately
Two things that actually depend on California law: who can consent, and whether partners can be treated without their own visit. Everything else about testing privately is the same nationwide (see below).
Can a minor consent on their own?
In California, a minor aged 12 or older can consent to confidential STI testing and treatment on their own, no parental permission is required.
Can my partner be treated too? (EPT)
California permits Expedited Partner Therapy (EPT): if you test positive for chlamydia or gonorrhea, your provider can give you medication (or a prescription) to pass to your partner, no separate exam or appointment needed for them.
Keeping a test private works the same in every state. Whether an STD test shows on insurance (the EOB), how to test anonymously, and self-pay options that leave no insurance trail don’t change by location.