Welcome to Renton Family Dentistry

Our dedicated and compassionate team cares for families from Renton, WA, and the surrounding communities of Kent, Auburn, Seattle, and Des Moines. 

From cleanings and exams to tooth-colored fillings, veneers, and crowns and bridges, we care for your family’s dental needs with compassion and skill.

Dental care is a vital part of caring for your health. When you choose Dr. Im and the team at Renton Family Dentistry, you’ll be rewarded with a superior standard of dental care with a delicate touch. Our mission is to combine expertise, artistry, and continuous learning to provide unsurpassed lifelong dental care and offer you the opportunity to have the smile of your dreams. 

Our office can assist your every need in English, Korean, Russian, and Cambodian.


Cosmetic Dentistry

Prventative Care For the Family

Meet the Dentist

Dr. Catherine Im

A dentist is a key member of your personal medical team, so forming a trusting relationship with an experienced board-certified dental expert is essential. For two decades, Catherine Im, DDS, of Renton Family Dentistry in Renton, Washington, has been providing a full scope of top-quality dental services for patients of all ages. This includes crowns and bridges, root canals, pediatric cleanings (including fluoride treatments and sealants), and Invisalign®. Dr. Im’s expertise and welcoming bedside manner attract patients from throughout the greater Seattle area, including Renton, Bellevue, and Kent.

 Renton Family Dentistry Specials


New Patient Special

New Patients receive a free Sonicare toothbrush after exam, x-rays and cleaning.

Teeth Whitening Special

Take-Home Bleach Kit, Professional Strength for $70.

15 Minutes per day for up to 10 days for best results

Zoom Whitening Special

Zoom whitening in office bleaching $375, includes $40 rebate, custom bleach trays and mini take home bleach kit.


Our Reviews

Our patients are our biggest fans. Here's a few highlights from our public reviews:

I have been going to this dentist office for 9 years. I love the whole team. It feels good going to a place that knows you well.
— Catlin H.
Dr. Im and her staff are so friendly, personable and professional at the same time. I do not fear my dental appointments anymore since I’ve started going to their office about 10 years ago. I recommend this place if you’re looking for family dental care.
— Chith F.
Love love love my dentist’s office! Everyone that works there is nice and friendly. I would recommend Dr. Im to anybody looking for a dentist. She’s awesome!
— Betty D.
I found Dr. Im through my insurance. She was very nice as well as her staff. They all were very detailed about every little thing that I needed to get done, the billings, future appointments, etc. I definitely think this will be a positive choice.
— Jessica T.
Very friendly and professional staff. A very good cleaning and x-ray procedures, quite comfortable as well. Dr. Im is very pleasant and cheerful and makes the entire process easy and informative. An outstanding dental office all around.
— K
Great dentist. So professional, gentle and kind. I strongly recommend Dr. Im. My whole family appreciates her excellent work.
— Jungmin A.