Contact us about our special offer, a complimentary hearing consultation, and the highest level of hearing treatment services from our professional audiologists.
Let's get your free hearing consultation set up today!
Our staff will be in touch with you within 1 business day to set up your appointment.
Hi There! We’re Keith and Denise
A husband-and-wife team dedicated to improving your hearing and overall well-being.
Welcome to Crystal Clear Hearing Center, an advanced hearing practice located near Placentia, CA. Our clinic specializes in the diagnosis, treatment and prevention of hearing loss. We use diagnostic audiological evaluations to provide you with an answer and solution to your hearing issues.
Talk today to our hearing instrument specialists to find out more about what our office can do for you! We assist our patients in hearing loss treatment, device selection and much more!
We Deliver For Our Patients - See What They Are Saying
Crystal Hearing Center is a fabulous place to get help with your hearing needs. They are very knowledgable and willing to help where ever they can. I highly recommend them.
Laura M.
Current Patient
The kindest people on earth to assist you with your hearing aid needs!
Lizet R.
Current Patient
I'd like to say there a top notch company that has gone out there way to satisfy me, I give them 5 starts as I feel they deserve it...
Thanks Denise & Keith for your service!
Tom T.
Current Patient
Quality Care From Our Expert Team
At Crystal Clear Hearing Center, our experienced providers are committed to a high standard of patient care and are here for you throughout every stage of your hearing journey.
Keith Castro
Board Certified Hearing Specialist
Keith, a Board Certified Hearing Specialist, has been serving patients since 1999. Born in Pomona and raised in La Verne, CA, he brings both professional expertise and personal insight to his work. He is hearing impaired and wears hearing aids himself, giving him a deep understanding of the everyday challenges of hearing loss. His passion is partnering with patients for long-term hearing success.
Denise is a registered nurse with extensive experience in hospitals, surgery centers, and medical offices. She is dedicated to helping patients maintain independence and live fully. Together, Keith and Denise work side by side to improve communication, connection, and quality of life for the families they serve.
Whether you’re getting your hearing tested for the first time or picking out a new pair of hearing aids, the professionals at our office will provide the assistance you need!
Diagnostic Audiologic Evaluations
Cerumen/Earwax Removal
Industrial Hearing Screening
Evaluation for Hearing Aids
Veteran Services
We Match You To Personalized Solutions
No matter your hearing level, style preferences, environmental needs or budget, we'll match you with a selection of hearing solutions tailored to your needs. We also offer:
Special design sits higher on the ear, helping you hear.
Microphone covers help tone down background noise.
Better directional hearing helps you follow conversations.
Adjusts noise filtering with a single touch.
Starkey Omega AI™
A New Dimension In Better Hearing
Staying connected to more everyday moments everywhere is now even easier—with Omega AI hearing aids. They don’t just keep up, they redefine what it means to be modern and discreet yet durable and comfortable for all-day wear.
Industry leading AI
Up to 51 hours of battery life
10x more durable waterproof coating
App-based Auracast assistant
Making Hearing Care Accessible
We make hearing care easier to afford and easier to navigate. From insurance benefit verification and flexible CareCredit® financing to Veteran Affairs support for eligible patients, our team helps remove financial barriers so you can focus on better hearing.
Verify and explain your insurance benefits
Offer flexible monthly payment options with CareCredit®
Assist eligible veterans with VA and Community Care services
