In Line Dentistry

Dr. James Chon, DMD

5.092 Google reviews

20855 Golden Springs Dr #108, Diamond Bar, CA 91789, United States · more dentists in Diamond Bar

  • #3of 45 rated in Diamond Bar
  • 92Google reviews
  • 9treatments on record
  • Satweekend hours
  • ♿wheelchair accessible

About In Line Dentistry

In Line Dentistry sees patients in Diamond Bar from its office at 20855 Golden Springs Dr #108, Diamond Bar, CA 91789. The dentist on record is Dr. James Chon, DMD. The practice holds a 5.0 star average from 92 Google reviews. That ranks it 3rd of 45 rated dentists in Diamond Bar by rating, above the 4.7 area average.

Treatments on record include general dentistry, cosmetic dentistry, emergency dentistry, pediatric dentistry and sedation dentistry. Listed opening hours are Monday 8 am to 6 pm, Tuesday 9 am to 6 pm, Wednesday 8 am to 6 pm, Thursday 10 am to 7 pm, Friday 8 am to 6 pm, Saturday 8 am to 1 pm, closed Sunday. Both Saturday and after-work appointments are possible. The entrance and facilities are listed as wheelchair accessible.

Compare it with the ranked list of Diamond Bar dentists or nearby Covina.

What patients say about In Line Dentistry

A 5 star average from 92 Google reviewers is the headline for In Line Dentistry, but the detail is in what those patients actually describe. The compliments that repeat are about clear explanations and a clean, modern office, and several people bring up friendly staff too. The procedures people mention by name include cleanings and deep cleanings, Invisalign and teeth whitening, which is useful if that is what brought you here.

Team members get named, with Johnna singled out for the care patients received. Several people write that their injections and cleanings simply did not hurt. More than one reviewer got seen the same day when something urgent came up. Patients also note the absence of sales pressure, describing treatment plans limited to what was actually needed. Taken as a whole, these reviews read like a practice that has earned its rating the slow way.

Cleanings and deep cleaningsInvisalignClear explanationsA clean, modern office

Summary written from recurring themes in public Google reviews, paraphrased rather than copied.

Recent Google reviews

Jul 2026
Loved the experience here! I had to get a couple fillings due to cavities and the doctor was super careful and much faster than I expected. On top of that I was also able to get a free quote for clear aligners which was great in order to know my options. No pressure in trying to sell anything. Just honest good service and dental care!
via Google reviews
Jul 2026
10/10 would recommend In Line! Dr James is not only professional and very knowledgeable, his friendly demeanor kept me calm during my appointment. I appreciate the short wait time as well as how easy scheduling was. Isabel at the front is also so helpful and was able to answer any questions I had.
via Google reviews
Jul 2026
Dr. James and his staff are amazing! I felt so comfortable getting my treatment done. Thank you Dr. James for explaining the procedures thoroughly and answering all my questions! Will definitely send my friends and family to this office.
via Google reviews

Read all 92 reviews on Google ↗

The dentist here

JC

Dr. James Chon

DMD

Dentist at In Line Dentistry

UCLA School of Dentistry

Headshots and bios are added by the practice. Claim this profile to add yours.

Treatments and typical costs

Ranges are typical Los Angeles fees before insurance, not In Line Dentistry's own price list. Ask the office for a written estimate after your exam.

Accessibility and amenities

Accessibility

  • Has wheelchair-accessible car park
  • Has wheelchair-accessible entrance
  • Has wheelchair-accessible seating
  • Has wheelchair-accessible toilet

Offerings

  • Offers cosmetic dentistry
  • Offers emergency services
  • Offers pediatric care
  • Offers sedation dentistry

Amenities

  • Has gender-neutral toilets
  • Has toilet

Crowd

  • LGBTQ+ friendly

Planning

  • Appointment required
  • Appointments recommended

Payments

  • Accepts cheques
  • Accepts credit cards
  • Accepts debit cards
  • Accepts NFC mobile payments
  • Accepts payment plans

Children

  • Has nursing room

Parking

  • Free multi-storey car park
  • Free of charge street parking
  • Free parking lot
  • On-site parking

From the practice's public Google business profile.

Questions about In Line Dentistry

Is In Line Dentistry good?

Patients rate In Line Dentistry 5 stars across 92 public Google reviews, and the strength they mention most is clear explanations. The ranked neighborhood list on this site shows how that compares to nearby offices.

What do patients complain about at In Line Dentistry?

No single complaint repeats often enough in recent public reviews to call a pattern. As always, confirm pricing and insurance in writing before treatment so the paperwork matches the conversation.

What treatments do patients mention at In Line Dentistry?

In recent public Google reviews, patients describe cleanings and deep cleanings, Invisalign, teeth whitening and extractions at In Line Dentistry. Reviews describe individual experiences rather than a service menu, so confirm availability and current pricing with the office directly before booking a specific procedure.

What do patients say about Dr. James Chon at In Line Dentistry?

Six of the 10 recent Google reviews we read mention Dr. James Chon by name, and all of them are positive. Patients single out taking time to explain, skill and thoroughness and a kind chairside manner. If you want to be seen by Dr. James Chon specifically, ask for them when you book.

Can In Line Dentistry help with a dental emergency?

One of the 10 recent Google reviews we read describes urgent visits such as pain, a broken tooth or a same day appointment, and patients report being fitted in quickly. Call as early in the day as you can and describe the problem, since emergency slots are usually limited.

What do patients say about billing and insurance at In Line Dentistry?

Four of the 10 recent Google reviews we read talk about cost, billing or insurance, and none of them are critical. Even so, ask for a written estimate and check your coverage before larger work.

What are the staff like at In Line Dentistry?

Four of the 10 recent Google reviews we read comment on the team, and every one of them is positive. Patients name Johnna in particular.

Where is In Line Dentistry located?

In Line Dentistry is at 20855 Golden Springs Dr #108, Diamond Bar, CA 91789, in Diamond Bar. Use the map on this page for directions, and check parking or validation with the office when you book.

What are In Line Dentistry's opening hours?

Listed hours are Monday 8 am to 6 pm, Tuesday 9 am to 6 pm, Wednesday 8 am to 6 pm, Thursday 10 am to 7 pm, Friday 8 am to 6 pm, Saturday 8 am to 1 pm, closed Sunday. Weekend appointments are available. Some days run into the evening. Hours can change around holidays, so call ahead before visiting.

Is In Line Dentistry wheelchair accessible?

Yes. The practice's public profile lists wheelchair-accessible features: has wheelchair-accessible car park, has wheelchair-accessible entrance, has wheelchair-accessible seating, has wheelchair-accessible toilet.

What treatments does In Line Dentistry offer, and what do they cost?

On record: general dentistry (typically $95 to $350 in Los Angeles), cosmetic dentistry (typically $350 to $2,500 in Los Angeles), emergency dentistry (typically $75 to $400 in Los Angeles). Actual fees depend on your case and coverage, so ask the office for a written estimate after an exam.

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Dentists near In Line Dentistry

Comparing a couple of nearby offices is the fastest way to sanity-check a treatment plan and a quote.

Keep exploring: General Dentistry in Diamond Bar · Cosmetic Dentistry in Diamond Bar · Emergency Dentistry in Diamond Bar · all Diamond Bar dentists