68/100RP Score
Ranked #1 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 1.7★ from 3 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Best Child And Teen Therapists in Diamond Bar, CA (2026)
123 child and teen therapists ranked by RP ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Diamond Bar: Bright Horizon, RP Score 68/100; 1.7★ from 3 Google reviews.
- 14
Most-reviewed: Brainpower Wellness Institute, 386 Google reviews at 4.9★, the most of 123 ranked; ranked #14.
Rankings can't be bought. Psychologists can't pay to change their rank or score. How we rank
123 Diamond Bar child and teen therapists are ranked here by RP Score, from eight published factors. 49 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 4.8★ across 123 rated practices.
Top 10 child and teen therapists in Diamond Bar at a glance
Ranked by the RP Score from public listing data, not by treatment outcomes; Sponsored placements are shown separately and never change rank.
| Rank | Business | RP Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bright Horizon | 68 | 1.7★ (3) | Claremont, 8 mi away | — | Overall |
| 2 | Brighter Future Comprehensive Psychological Services | Child Therapy | Glendora | 65 | 5.0★ (4) | Glendora, 7 mi away | Evenings | — |
| 3 | Sharon Stafford PhD | 65 | 3.8★ (4) | Placentia, 11 mi away | Sat · Evenings | — |
| 4 | Dr. Patricia Gisbert | 61 | 5.0★ (3) | Tustin, 19 mi away | — | — |
| 5 | Turning Point Counseling - Christian Counseling | 61 | 5.0★ (16) | Diamond Bar | Sat · Evenings | — |
| 6 | Martin J. Eaton, PhD | 60 | 2.3★ (3) | Anaheim, 12 mi away | — | — |
| 7 | Ralston Susan | 59 | 3.0★ (4) | Pasadena, 21 mi away | — | — |
| 8 | Almansor Clinical Services | 59 | 3.7★ (3) | South Pasadena, 22 mi away | — | — |
| 9 | Childrens Counseling Center | 59 | 4.3★ (7) | South Gate, 23 mi away | — | — |
| 10 | Adolescent Growth Commerce | 58 | 4.2★ (12) | Commerce, 19 mi away | Sat · Sun · Evenings | — |
The 123 best child and teen therapists in Diamond Bar, ranked
Ordered by RP Score, a 0–100 score from eight published factors. Paid placement never changes the order.
Ranked by the RP Score from public listing data, not by treatment outcomes; Sponsored placements are shown separately and never change rank.
Based in Glendora, 7 mi away
65/100RP ScoreRanked #2 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 5.0★ from 4 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Placentia, 11 mi away
65/100RP ScoreRanked #3 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 3.8★ from 4 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Tustin, 19 mi away
61/100RP ScoreRanked #4 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 5.0★ from 3 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Diamond Bar
61/100RP ScoreRanked #5 because of its Google rating and proximity: 5.0★ from 16 Google reviews, based in Diamond Bar.
Based on 7 of 8 factors; recency not yet collected.
Based in Anaheim, 12 mi away
60/100RP ScoreRanked #6 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 2.3★ from 3 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Pasadena, 21 mi away
59/100RP ScoreRanked #7 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 3.0★ from 4 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in South Pasadena, 22 mi away
59/100RP ScoreRanked #8 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 3.7★ from 3 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in South Gate, 23 mi away
59/100RP ScoreRanked #9 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 4.3★ from 7 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Commerce, 19 mi away
58/100RP ScoreRanked #10 because of its Google rating and specialty focus: 4.2★ from 12 Google reviews, listed on Google as “Mental health service”.
Based on 7 of 8 factors; recency not yet collected.
Based in Claremont, 7 mi away
58/100RP ScoreRanked #11 because of its Google rating and specialty focus: 5.0★ from 8 Google reviews, listed on Google as “Mental health clinic”.
Based on 7 of 8 factors; recency not yet collected.
Based in La Habra, 11 mi away
57/100RP ScoreRanked #12 because of its Google rating and specialty focus: 4.6★ from 70 Google reviews, listed on Google as “Counselor”.
Based on 7 of 8 factors; recency not yet collected.
Based in Orange, 18 mi away
57/100RP ScoreRanked #13 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 3.7★ from 3 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Orange, 17 mi away
57/100RP ScoreRanked #14 because of its Google rating and specialty focus: 4.9★ from 386 Google reviews, listed on Google as “Psychiatrist”.
Based on 7 of 8 factors; recency not yet collected.
Based in Newport Beach, 25 mi away
56/100RP ScoreRanked #15 because of specialty focus and its Google rating: listed on Google as “Child psychologist”, 5.0★ from 5 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Glendora, 8 mi away
55/100RP ScoreRanked #16 because of its Google rating and specialty focus: 5.0★ from 17 Google reviews, listed on Google as “Counselor”.
Based on 7 of 8 factors; recency not yet collected.
Based in Chino, 7 mi away
55/100RP ScoreRanked #17 because of its Google rating and specialty focus: 4.9★ from 8 Google reviews, listed on Google as “Applied behavior analysis therapist”.
Based on 7 of 8 factors; recency not yet collected.
#18 New Day
Based in Chino, 7 mi away
55/100RP ScoreRanked #18 because of its Google rating and specialty focus: 4.1★ from 17 Google reviews, listed on Google as “Marriage or relationship counselor”.
Based on 7 of 8 factors; recency not yet collected.
Based in Chino Hills, 6 mi away
54/100RP ScoreRanked #19 because of its Google rating and specialty focus: 5.0★ from 3 Google reviews, listed on Google as “Psychologist”.
Based on 7 of 8 factors; recency not yet collected.
Based in La Habra, 11 mi away
54/100RP ScoreRanked #20 because of its Google rating and specialty focus: 5.0★ from 19 Google reviews, listed on Google as “Marriage or relationship counselor”.
Based on 7 of 8 factors; recency not yet collected.
Based in Fullerton, 12 mi away
54/100RP ScoreRanked #21 because of its Google rating and specialty focus: 4.8★ from 41 Google reviews, listed on Google as “Marriage or relationship counselor”.
Based on 7 of 8 factors; recency not yet collected.
Based in Yorba Linda, 9 mi away
54/100RP ScoreRanked #22 because of its Google rating and specialty focus: 4.4★ from 13 Google reviews, listed on Google as “Psychotherapist”.
Based on 7 of 8 factors; recency not yet collected.
Based in Los Angeles, 23 mi away
54/100RP ScoreRanked #23 because of its Google rating and specialty focus: 5.0★ from 11 Google reviews, listed on Google as “Mental health service”.
Based on 7 of 8 factors; recency not yet collected.
Based in Fullerton, 11 mi away
53/100RP ScoreRanked #24 because of its Google rating and specialty focus: 5.0★ from 11 Google reviews, listed on Google as “Mental health service”.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Brea, 9 mi away
53/100RP ScoreRanked #25 because of its Google rating and specialty focus: 5.0★ from 4 Google reviews, listed on Google as “Marriage or relationship counselor”.
Based on 7 of 8 factors; recency not yet collected.
Child and teen therapists ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in RP Score order; each links to its profile. We publish the top 50 of 123 ranked child and teen therapists here; the rest are on their profiles.
Also serving Diamond Bar
20 more child and teen therapists within 25 mi that we can't rank yet: too few reviews, or a specialty we couldn't confirm. Listed A to Z.
How we ranked Diamond Bar child and teen therapists
We scored 123 Diamond Bar child and teen therapists on eight factors, weighted as shown. A practice is ranked when its specialty is confirmed and it has 3 or more Google reviews or a claimed profile. A practice with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.
Paid placement never changes a rank or score. Sponsored businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Diamond Bar data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Review volume | 5% | Number of Google reviews, compared with the most-reviewed practice on the list | Measured |
| Recency | 5% | Share of Google reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, and round-the-clock or same-day availability | Measured |
| Specialty focus | 25% | How clearly the practice does this specialty (its Google category and name) | Measured |
| Proximity | 15% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The practice has claimed its Ranked Psychologists profile (free or paid earn the same) | Measured |
| Partnered | 5% | The practice links to Ranked Psychologists from its own website with our badge, checked periodically | Measured |
How to choose a child and teen therapist
- Check the license with the state or provincial board that issued it; most boards publish a free online lookup.
- Make sure child and adolescent therapy is a regular part of their work, and ask what approach they use and why.
- Ask how much of the work is with the child alone and how much includes parents or caregivers.
- For ADHD, learning or autism assessments, ask who does the testing and whether a written report is included.
- Ask about fees, insurance and the cancellation policy before the first session. In the US, if you are uninsured or paying yourself, you can ask for a good faith estimate of expected charges.
- Check practical fit: in-person or online sessions, evening times, and how soon they have an opening.
- After a few sessions, ask yourself whether you feel heard. Changing to a different provider is common and fine.
Questions to ask a child and teen therapist
- Are you accepting new clients, and how soon could I start?
- Which license do you hold, and in which state or province?
- How much of your work is child and adolescent therapy?
- How do you involve parents, and what do you keep confidential?
- What do you charge per session, and do you take my insurance or provide a superbill?
- Do you offer online sessions?
- What is your cancellation policy?
- What do you keep confidential, and when would you have to share information?
Terms explained
- PhD / PsyD
- Doctoral degrees in psychology. A PhD usually has a stronger research focus, a PsyD a stronger clinical focus; both can lead to a psychologist license.
- Licensed psychologist
- A person licensed by a state or provincial psychology board to practice psychology. The title is protected by law.
- Psychological associate
- In some states and provinces, a master’s-level practitioner licensed or registered by the psychology board, often with supervision requirements.
- LPC / LMHC / LCPC
- US licenses for professional or mental health counselors (the name differs by state). They provide counseling and therapy.
- LCSW
- Licensed clinical social worker: a master’s-level social worker licensed to provide therapy.
- LMFT
- Licensed marriage and family therapist: licensed to treat individuals, couples and families with a focus on relationships.
- RP / RCC
- Registered psychotherapist (Ontario) and registered clinical counsellor (British Columbia): Canadian titles for licensed therapy providers.
- PSYPACT
- An interstate agreement that lets psychologists licensed in a member state provide telepsychology to clients in other member states once they hold the required authorization.
- Telehealth
- Sessions held by secure video or phone instead of in person. The provider generally needs to be licensed where the client is located.
- CBT
- Cognitive behavioral therapy: a structured talk therapy that works on the links between thoughts, feelings and behavior.
- DBT
- Dialectical behavior therapy: a form of CBT that teaches skills for managing intense emotions and relationships.
- ERP
- Exposure and response prevention: a form of CBT used for OCD.
Child and teen therapists in Diamond Bar: frequently asked questions
Who is the best child and teen therapist in Diamond Bar?
By RP Score, the highest-ranked child and teen therapist in Diamond Bar, CA is Bright Horizon with an RP Score of 68/100. It has 1.7★ from 3 Google reviews. Brighter Future Comprehensive Psychological Services | Child Therapy | Glendora (#2) and Sharon Stafford PhD (#3) follow. We ranked 123 child and teen therapists on eight factors, last updated November 9, 2026.
How many child and teen therapists are there in Diamond Bar?
RankedPsychologists ranks 123 child and teen therapists serving Diamond Bar, CA. 1 of them is based in Diamond Bar; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
What should I do if I need help right now?
In crisis or thinking about suicide? Call or text 988 (US and Canada), any time. In an emergency, call 911. This site cannot help in an emergency.
Which child and teen therapists in Diamond Bar work on weekends?
49 of 123 ranked child and teen therapists post Saturday hours and 18 post Sunday hours. The highest-ranked open Saturdays are Sharon Stafford PhD (#3), Turning Point Counseling - Christian Counseling (#5) and Adolescent Growth Commerce (#10). Posted hours are office hours; many practices also offer evening or online sessions by appointment.
What Google rating do Diamond Bar child and teen therapists have?
The median Google rating among 123 rated child and teen therapists in Diamond Bar is 4.8★, with a median of 8 reviews. Brainpower Wellness Institute has the most, 386 reviews, and ranks #14. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does RankedPsychologists rank child and teen therapists?
Each child and teen therapist gets a 0–100 RP Score from eight published factors, led by reputation (25%), specialty focus (25%), proximity (15%) and availability (10%). A practice with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only practices with a confirmed specialty and 3 or more reviews, or a claimed profile, are ranked.
Do child and teen therapists outside Diamond Bar count in this ranking?
Yes, if they are within 25 mi of the Diamond Bar city center, our service radius for child and teen therapists. Each listing shows where the practice is based and how far away it is. Proximity is 15% of the RP Score, so a nearby practice gets a small edge.
Can child and teen therapists pay to rank higher on RankedPsychologists?
No. The RP Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured practices may appear above the list, labelled Sponsored and showing their honest rank.
How are child and teen therapists in Diamond Bar ranked?
Each practice gets an RP Score from 0 to 100 from 8 published factors, including its Google rating, how clearly it focuses on child and adolescent therapy and how close it is. Sponsored placements are shown separately and never change rank. The score does not measure treatment outcomes.
Can a teenager start therapy without a parent?
It depends on where you live. The age at which a young person can agree to outpatient mental health care on their own differs between states and provinces. Ask the practice how it handles consent and what it shares with parents.
Can I see a child and teen therapist online?
Often, yes. Licensing generally follows where you are during the session, so the provider needs to be licensed or authorized there. In the US, psychologists in PSYPACT member states can offer telepsychology to clients in other member states; counselors and social workers have their own rules. In Canada, ask whether the provider is registered in your province.
What if I need help right now?
Do not wait for a consultation. Call or text 988 (US and Canada) if you are in crisis or thinking about suicide, at any time. In an emergency, call 911.
Update log for Diamond Bar
- November 2026: RP Scores recalculated for 123 child and teen therapists serving Diamond Bar.
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