Top Rated Dentists Serving Contra Costa County, CA

If you really care about choosing a quality dentist, we’re here for you. Here’s your access to the best dentists serving Contra Costa County including 94565, 94509, 94806, 94513 and 94553. These dental practices provide oral and maxillofacial surgery and dental x-rays, and they also work on teeth extractions, dentures and oral hygiene. For 22 years we’ve conducted the most accurate ratings and deepest research of local practices, so you’ll be confident in choosing.

  • Last Updated Mar 04, 2026
  • 3,303 people sourced companies in Dentist
    8,274 Verified Dentist Customers Surveyed
8,274
3,303
1 of 1
William R. Hummer, DDS is a general dentist practicing in San Leandro who offers a wide range of procedures to patients of all ages. The practice rece...
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Main Services

Dentist
loarrowgo

Additional Services

Cosmetic, Preventive and Restorative Dentistry, Invisalign, Drill-Free Dentistry, Nitrous Oxide, Sinsational Smile Teeth Whitening, Implant Tooth Replacement, Including Implant-Supported Prosthetics, Orthodontics, Bleaching, Nightguards and Mouthguards, White Fillings, TV/Headphones

Brands

Invisalign, Crystalmark, Lancer Orthodontics

Coverage Areas

Alameda County

Established in 1985
Established in 1985
Appointments Available
Appointments Available
Live Phone Call Answers
Live Phone Call Answers
Diamond Certified Expert Contributor
Diamond Certified Expert Contributor
  • Quick Connect
1239 Harrison St, San Leandro, CA 94577
Hours CLOSED NOW
License:
33780,
40376
Learn how to choose a Dentist and more…
Diamond Certified Dentists In Contra Costa County

Diamond Certified dentists serving Contra Costa County are rated an average of 4.6 out of 5 stars based on 2083 reviews of 71 rated dentists.
Diamond Certified dentists in Contra Costa County Avg. Star Rating.

    Map of Contra Costa County, CA

    Contra Costa County was founded in 1853, and today, your 1,123,844 neighbors use dentists for dental fillings, dentures, dental bridges, oral and maxillofacial surgery, oral hygiene, and more.

    Frequently Asked Questions for Dentist in Contra Costa, CA
    Q: What are patients of Diamond Certified dentists saying about practices in Contra Costa County, CA?
    A: Verified William R. Hummer, DDS Customer, 1 of 410
    "My husband has been a patient of theirs and now I go there too. They are very helpful, friendly and professional. It's been a positive experience for both of us. I like that they greet you and get you in at the scheduled time for my appointment. I am not kept waiting. They are organized, efficient, and their appointments run on time. " - Aisha H.
    All Survey Responses for William R. Hummer, DDS
    Q: What are some of the most popular brands that Diamond Certified dentists use when working with Contra Costa County residents?
    A: Diamond Certified dentists use top-quality brands like Fixodent, Tom's of Maine, Dr. Collins, Listerine and Supersmile.
    Q: What types of teeth cleaning do dentists offer?
    A: Dentists offer several types of teeth cleaning services. Regular cleanings, also known as prophylaxis, are done twice a year and involve removing plaque, tartar, and stains from teeth. Deep cleanings, also known as scaling and root planing, are more extensive and are done when a person has gum disease; they involve cleaning below the gum line to remove plaque and tartar. Dentists also offer polish and fluoride treatments to protect teeth after cleaning. Additionally, dentists can provide more specialized cleanings for individuals with braces or dental implants.
    Q: Can Diamond Certified dentists work with Colgate products and similar items so I can get oral and maxillofacial surgery in Contra Costa County?
    A: Yes, Diamond Certified dentists in Contra Costa County can utilize Colgate products and similar items for oral and maxillofacial surgeries.
    Q: What did people search for when they wanted to find the best quality dentists in Contra Costa County?
    A: Oral Hygiene
    Teeth Cleaning
    Dental Fillings
    Dental Bridges
    Gum Disease Treatments