72/100LFR Score
Ranked #1 because of its Google rating and practice area focus: 5.0★ from 850 Google reviews, listed on Google as “Personal injury attorney”.
Personal Injury Lawyers in Diamond Bar, CA: 2026 rankings
2,271 personal injury lawyers ranked by LFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Highest LFR Score in Diamond Bar: JAMES WANG LAW, LFR Score 72/100; 5.0★ from 850 Google reviews; open 24/7.
- 2
Open 24 hours (per Google): LA OC Lawyers Group, posts 24/7 hours; ranked #2 of 2,271.
- 6
Most-reviewed: Law Offices of John C. Ye, 2,524 Google reviews at 4.9★, the most of 2,271 ranked; ranked #6.
Rankings can't be bought. Lawyers can't pay to change their rank or score. How we rank
2,271 Diamond Bar personal injury lawyers are ranked here by LFR Score, from nine published factors. 1,123 are open 24/7, 1,334 open Saturdays and 1,204 open Sundays, based on posted hours. The median Google rating is 4.9★ across 2,271 rated law firms.
Top 10 personal injury lawyers in Diamond Bar at a glance
Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.
| Rank | Business | LFR Score | Google rating | Based in | Hours | Notable for |
|---|---|---|---|---|---|---|
| 1 | JAMES WANG LAW | 72 | 5.0★ (850) | Diamond Bar | Open 24 hrs (Google) | Top score |
| 2 | LA OC Lawyers Group | 70 | 5.0★ (294) | Diamond Bar | Open 24 hrs (Google) | Open 24 hours |
| 3 | BANDERAS LAW, PC | 69 | 4.9★ (704) | Ontario, 14 mi away | Open 24 hrs (Google) | — |
| 4 | Lem Garcia Law | 69 | 4.9★ (358) | West Covina, 8 mi away | Open 24 hrs (Google) | — |
| 5 | Wilshire Law Firm | 69 | 4.9★ (2,523) | Los Angeles, 26 mi away | Open 24 hrs (Google) | — |
| 6 | Law Offices of John C. Ye | 68 | 4.9★ (2,524) | Los Angeles, 28 mi away | Open 24 hrs (Google) | Most reviews |
| 7 | Moseley Collins Law | 68 | 5.0★ (1,261) | Los Angeles, 25 mi away | Open 24 hrs (Google) | — |
| 8 | The Law Firm of Oscar A. Ischiu | 68 | 4.9★ (195) | West Covina, 6 mi away | Open 24 hrs (Google) | — |
| 9 | Centro Legal De Accidentes | 68 | 4.9★ (261) | Ontario, 9 mi away | Open 24 hrs (Google) | — |
| 10 | Montgomery Steele Law | 68 | 4.9★ (368) | Ontario, 12 mi away | Open 24 hrs (Google) | — |
All 2,271 personal injury lawyers in Diamond Bar, in rank order
Ordered by LFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.
Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.
Scores below: based on 7 of 9 factors; bar status and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Diamond Bar
70/100LFR ScoreRanked #2 because of its Google rating and practice area focus: 5.0★ from 294 Google reviews, listed on Google as “Personal injury attorney”.
Based in Ontario, 14 mi away
69/100LFR ScoreRanked #3 because of its Google rating and practice area focus: 4.9★ from 704 Google reviews, listed on Google as “Personal injury attorney”.
Based in West Covina, 8 mi away
69/100LFR ScoreRanked #4 because of its Google rating and practice area focus: 4.9★ from 358 Google reviews, listed on Google as “Personal injury attorney”.
Based in Los Angeles, 26 mi away
69/100LFR ScoreRanked #5 because of its Google rating and practice area focus: 4.9★ from 2,523 Google reviews, listed on Google as “Personal injury attorney”.
Based in Los Angeles, 28 mi away
68/100LFR ScoreRanked #6 because of its Google rating and practice area focus: 4.9★ from 2,524 Google reviews, listed on Google as “Personal injury attorney”.
Based in Los Angeles, 25 mi away
68/100LFR ScoreRanked #7 because of its Google rating and practice area focus: 5.0★ from 1,261 Google reviews, listed on Google as “Personal injury attorney”.
Based in West Covina, 6 mi away
68/100LFR ScoreRanked #8 because of its Google rating and practice area focus: 4.9★ from 195 Google reviews, listed on Google as “Personal injury attorney”.
Based in Ontario, 9 mi away
68/100LFR ScoreRanked #9 because of its Google rating and practice area focus: 4.9★ from 261 Google reviews, listed on Google as “Personal injury attorney”.
Based in Ontario, 12 mi away
68/100LFR ScoreRanked #10 because of its Google rating and practice area focus: 4.9★ from 368 Google reviews, listed on Google as “Personal injury attorney”.
Based in Orange, 17 mi away
68/100LFR ScoreRanked #11 because of its Google rating and practice area focus: 4.9★ from 475 Google reviews, listed on Google as “Personal injury attorney”.
Based in West Covina, 5 mi away
68/100LFR ScoreRanked #12 because of its Google rating and practice area focus: 5.0★ from 100 Google reviews, listed on Google as “Personal injury attorney”.
#13 DK Law
Based in Anaheim, 15 mi away
67/100LFR ScoreRanked #13 because of its Google rating and practice area focus: 4.9★ from 374 Google reviews, listed on Google as “Personal injury attorney”.
Based in Anaheim, 15 mi away
67/100LFR ScoreRanked #14 because of its Google rating and practice area focus: 5.0★ from 237 Google reviews, listed on Google as “Personal injury attorney”.
Based in Anaheim, 12 mi away
67/100LFR ScoreRanked #15 because of its Google rating and practice area focus: 5.0★ from 173 Google reviews, listed on Google as “Personal injury attorney”.
#16 Wolf Law Firm
Based in Pomona, 4 mi away
67/100LFR ScoreRanked #16 because of its Google rating and practice area focus: 5.0★ from 82 Google reviews, listed on Google as “Personal injury attorney”.
#17 Arash Law
Based in Los Angeles, 27 mi away
67/100LFR ScoreRanked #17 because of its Google rating and practice area focus: 4.9★ from 1,256 Google reviews, listed on Google as “Personal injury attorney”.
Based in Ontario, 10 mi away
67/100LFR ScoreRanked #18 because of its Google rating and practice area focus: 4.9★ from 185 Google reviews, listed on Google as “Personal injury attorney”.
Based in Los Angeles, 28 mi away
67/100LFR ScoreRanked #19 because of its Google rating and practice area focus: 4.8★ from 2,044 Google reviews, listed on Google as “Personal injury attorney”.
Based in Downey, 20 mi away
67/100LFR ScoreRanked #20 because of its Google rating and practice area focus: 4.9★ from 528 Google reviews, listed on Google as “Personal injury attorney”.
Based in Los Angeles, 26 mi away
67/100LFR ScoreRanked #21 because of its Google rating and practice area focus: 4.9★ from 987 Google reviews, listed on Google as “Personal injury attorney”.
Based in Whittier, 13 mi away
67/100LFR ScoreRanked #22 because of its Google rating and practice area focus: 4.9★ from 231 Google reviews, listed on Google as “Personal injury attorney”.
Based in Pomona, 6 mi away
67/100LFR ScoreRanked #23 because of its Google rating and practice area focus: 5.0★ from 80 Google reviews, listed on Google as “Personal injury attorney”.
Based in Rancho Cucamonga, 13 mi away
67/100LFR ScoreRanked #24 because of its Google rating and practice area focus: 4.9★ from 188 Google reviews, listed on Google as “Personal injury attorney”.
Based in Whittier, 13 mi away
67/100LFR ScoreRanked #25 because of its Google rating and practice area focus: 5.0★ from 142 Google reviews, listed on Google as “Personal injury attorney”.
Personal injury lawyers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in LFR Score order; each links to its profile. We publish the top 50 of 2,271 ranked personal injury lawyers here; the rest are on their profiles.
Also serving Diamond Bar
20 more personal injury lawyers within 40 mi that we can't rank yet: too few reviews, or a practice area we couldn't confirm. Listed A to Z.
How we ranked Diamond Bar personal injury lawyers
We scored 2,271 Diamond Bar personal injury lawyers on nine factors, weighted as shown. A law firm is ranked when its practice area is confirmed and it has 3 or more Google reviews or a claimed profile. A law firm 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. Attorney advertising 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 |
| Bar status | 10% | An active bar or law society record matched to a lawyer at the firm (not measured until a record source is loaded) | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed firm on the list | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly office hours, Saturday, Sunday, and phones answered 24/7 | Measured |
| Practice focus | 15% | How clearly the firm practises this area (its Google category and name) | Measured |
| Proximity | 5% | An office in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The firm has claimed its Law Firms Ranked profile (free and paid earn the same) | Measured |
| Law Firms Ranked reviews | 10% | Verified client reviews collected by Law Firms Ranked: their rating and how many there are | Measured |
How to choose a personal injury lawyer
- Check the lawyer’s status and any public discipline in the state bar or law society directory.
- Ask how many personal injury law matters the lawyer handles each year, and who at the firm will do the work.
- Get the fee arrangement in writing: hourly, flat or contingency, and which costs are charged on top.
- Ask how and how often the firm will update you, and how fast it answers calls and emails.
- Read recent reviews for how the firm communicated and billed, not only for outcomes.
- Ask who pays case costs (medical reports, filing fees, records) if there is no recovery, and whether costs come out before or after the lawyer’s percentage.
- Meet more than one firm; many offer a short first consultation, sometimes free.
Questions to ask a personal injury lawyer
- How would you approach a matter like mine, and what are the realistic options?
- How do you charge, and what will the total likely cost?
- Who will be my main contact, and how quickly do you reply?
- Will you or another lawyer handle my case day to day?
- How many cases like mine have you taken to trial?
- Is there any conflict of interest that would stop you representing me?
Terms explained
- Contingency fee
- A fee that is a share of the money recovered, paid only if there is a recovery. Common in injury cases; not allowed for criminal defense or for securing a divorce.
- Retainer
- Money paid up front and held in a trust account, which the lawyer draws on as fees are earned.
- Flat fee
- One set price for a defined piece of work, such as a will or an uncontested matter.
- Limited-scope representation
- Paying a lawyer for part of a matter only, such as reviewing documents or coaching for one hearing (also called unbundled services).
- Statute of limitations
- The deadline to file a lawsuit or charge. It differs by state or province and by type of claim.
- Good standing
- A lawyer’s status as active and eligible to practise with a state bar or law society.
- Law society
- The body that licenses and disciplines lawyers in a Canadian province or territory.
- Board certification
- Recognition in a field of law by a state program or an organisation accredited for that purpose. Lawyers may only claim it when they hold it, naming the certifying body.
- Attorney–client privilege
- The rule that keeps confidential communications between a client and lawyer, made for legal advice, out of court.
- Conflict check
- The search a firm runs before taking a matter to make sure it does not represent someone on the other side.
- Pro bono
- Legal work done for free, usually for people who cannot afford a lawyer.
- Legal aid
- Publicly funded legal help for people with low incomes, through legal aid offices, public defenders or provincial legal aid plans.
Personal injury lawyers in Diamond Bar: frequently asked questions
Which personal injury lawyer has the highest LFR Score in Diamond Bar?
By LFR Score, the highest-ranked personal injury lawyer in Diamond Bar, CA is JAMES WANG LAW with an LFR Score of 72/100. It has 5.0★ from 850 Google reviews. It is open 24/7. LA OC Lawyers Group (#2) and BANDERAS LAW, PC (#3) follow. We ranked 2,271 personal injury lawyers on nine factors, last updated November 9, 2026.
How many personal injury lawyers are there in Diamond Bar?
LawFirmsRanked ranks 2,271 personal injury lawyers serving Diamond Bar, CA. 3 of them are based in Diamond Bar; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which personal injury lawyers in Diamond Bar are open 24/7?
1,123 ranked personal injury lawyers in Diamond Bar post 24/7 hours. The highest-ranked are JAMES WANG LAW (#1), LA OC Lawyers Group (#2) and BANDERAS LAW, PC (#3). Hours come from each law firm's Google listing as of November 2026, so call to confirm.
Which personal injury lawyers in Diamond Bar work on weekends?
1,334 of 2,271 ranked personal injury lawyers post Saturday hours and 1,204 post Sunday hours. The highest-ranked open Saturdays are JAMES WANG LAW (#1), LA OC Lawyers Group (#2) and BANDERAS LAW, PC (#3). Posted hours are office hours; many firms meet clients by appointment outside them.
What Google rating do Diamond Bar personal injury lawyers have?
The median Google rating among 2,271 rated personal injury lawyers in Diamond Bar is 4.9★, with a median of 31 reviews. Law Offices of John C. Ye has the most, 2,524 reviews, and ranks #6. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does LawFirmsRanked rank personal injury lawyers?
Each personal injury lawyer gets a 0–100 LFR Score from nine published factors, led by reputation (25%), practice focus (15%), review volume (10%) and recency (10%). A law firm with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only law firms with a confirmed practice area and 3 or more reviews, or a claimed profile, are ranked.
Do personal injury lawyers outside Diamond Bar count in this ranking?
Yes, if they are within 40 mi of the Diamond Bar city center, our service radius for personal injury lawyers. Each listing shows where the law firm is based and how far away it is. Proximity is 5% of the LFR Score, so a nearby law firm gets a small edge.
Can personal injury lawyers pay to rank higher on LawFirmsRanked?
No. The LFR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured law firms may appear above the list, labelled Attorney advertising and showing their honest rank.
How do personal injury lawyers in Diamond Bar, CA charge?
Most personal injury lawyers work on contingency: the fee is a share of any recovery and nothing is owed if there is none. The ABA Model Rules require a contingent fee agreement in writing, signed by the client, stating the percentage and how case costs are handled. Ask for the fee arrangement in writing before you agree.
Is there a deadline to bring an injury claim?
Yes. Every state sets a filing deadline (a statute of limitations) and some are as short as one year; claims against a government body can have even shorter notice periods. Ask a lawyer about the deadline for your claim early. This is general information, not legal advice.
How is this list of personal injury lawyers in Diamond Bar, CA ranked?
By LFR Score only, from public data on reviews, practice focus, office location and hours. Firms labelled “Attorney advertising” paid for that placement; payment never changes a rank, and a rank is not an endorsement.
Does a lawyer need an office in Diamond Bar?
No, but the lawyer must be licensed in your state (or, for federal matters such as immigration, in some state). A local office makes meetings and court appearances easier, so proximity is one of our factors.
Update log for Diamond Bar
- November 2026: LFR Scores recalculated for 2,271 personal injury lawyers serving Diamond Bar.
- November 2026: 1 duplicate listing merged.
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