Legal services in Diamond Bar, CA: 2026 report
8,273 ranked entriesUpdated 17 trade lists
The 17 practice area lists for Diamond Bar, CA hold 8,273 ranked entries. Personal injury lawyers have the most, with 2,271. Among lists with 10 or more ranked, DUI and DWI lawyers have the highest median Google rating: 5.0. 27% of ranked entries post 24/7 hours.
Key numbers for Diamond Bar
Shares use ranked businesses as their base. A law firm in two practice area lists counts in both.
8,273
ranked entries by LFR Score, in 17 practice area lists
12,431
practice area listings serving the city; a law firm counts once per practice area
4.8
median of the practice areas’ median Google ratings
27%
of ranked entries post 24/7 hours (2,232)
Legal practice areas in Diamond Bar, by ranked law firms
| Practice area | Ranked | Serving the city | Median rating | Median reviews | 24/7 share | |
|---|---|---|---|---|---|---|
| Personal injury lawyers | 2,271 | 2,826 | 4.9 | 31 | 49.4% | |
| General practice lawyers | 1,244 | 2,428 | 4.7 | 10 | 7.9% | |
| Employment lawyers | 949 | 1,341 | 4.8 | 24 | 31.2% | |
| Immigration lawyers | 717 | 919 | 4.8 | 30 | 13.7% | |
| Criminal defense lawyers | 657 | 863 | 4.9 | 23 | 38.8% | |
| Divorce and family lawyers | 487 | 683 | 4.5 | 17 | 7.8% | |
| Estate planning and probate lawyers | 458 | 673 | 4.8 | 17 | 7.2% | |
| Bankruptcy lawyers | 391 | 664 | 4.9 | 17 | 8.2% | |
| Insurance lawyers | 292 | 384 | 4.9 | 35 | 51.4% | |
| Tax lawyers | 218 | 430 | 4.9 | 15 | 9.2% | |
| Mediators | 156 | 257 | 4.9 | 17 | 10.3% | |
| Real estate lawyers | 154 | 296 | 4.5 | 15 | 7.1% | |
| Intellectual property lawyers | 86 | 232 | 4.9 | 16 | 7% | |
| Social Security disability lawyers | 69 | 108 | 4.6 | 35 | 21.7% | |
| Business lawyers | 66 | 148 | 4.8 | 18 | 10.6% | |
| DUI and DWI lawyers | 32 | 77 | 5.0 | 30 | 84.4% | |
| Workers’ compensation lawyers | 26 | 102 | 4.8 | 26 | 26.9% |
Method and basis
- Serving counts are active, de-duplicated law firms within each practice area’s service radius of Diamond Bar, as of November 9, 2026.
- Ranked law firms have a confident practice area match and 3 or more Google reviews, or a claimed profile.
- Median rating, median reviews and the shares are measured over ranked businesses.
- 24/7 share counts those whose posted hours say they are open around the clock.
- Figures are recalculated with each weekly data update. This page shows the latest figures for the year in its title.
Cite this report: LawFirmsRanked, “Legal Services in Diamond Bar, CA: 2026 Report”, https://www.lawfirmsranked.com/reports/diamond-bar-ca-law-firms-2026, data as of November 9, 2026.
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