Home services in Diamond Bar, CA: 2026 report
14,846 ranked entriesUpdated 28 trade lists
The 28 trade lists for Diamond Bar, CA hold 14,846 ranked entries. Roofers have the most, with 1,918. 24.9% of ranked entries post 24/7 hours.
Key numbers for Diamond Bar
Shares use ranked businesses as their base. A business in two trade lists counts in both.
14,846
ranked entries by CR Score, in 28 trade lists
28,562
trade listings serving the city; a business counts once per trade
4.9
median of the trades’ median Google ratings
24.9%
of ranked entries post 24/7 hours (3,693)
Contractor trades in Diamond Bar, by ranked businesses
| Trade | Ranked | Serving the city | Median rating | Median reviews | 24/7 share | |
|---|---|---|---|---|---|---|
| Roofers | 1,918 | 3,754 | 5.0 | 12 | 24.1% | |
| HVAC contractors | 1,311 | 1,942 | 4.9 | 17 | 33.9% | |
| Water damage restoration companies | 1,293 | 2,128 | 5.0 | 18 | 63.7% | |
| Plumbers | 1,287 | 1,908 | 5.0 | 22 | 53.1% | |
| General contractors | 1,246 | 3,569 | 4.9 | 7 | 8.3% | |
| Electricians | 888 | 1,918 | 4.9 | 13 | 28.5% | |
| Home builders | 811 | 1,707 | 4.9 | 10 | 10% | |
| Window installers | 669 | 1,025 | 4.8 | 19 | 6.3% | |
| Kitchen remodelers | 596 | 1,059 | 5.0 | 12 | 12.1% | |
| Solar installers | 594 | 1,267 | 5.0 | 14 | 11.8% | |
| Bathroom remodelers | 591 | 1,015 | 4.9 | 13 | 13.9% | |
| Flooring contractors | 539 | 976 | 4.9 | 12 | 9.6% | |
| Concrete contractors | 367 | 906 | 4.8 | 9 | 14.2% | |
| Tree services | 328 | 736 | 4.9 | 11 | 30.2% | |
| Fence contractors | 282 | 463 | 4.9 | 11 | 18.1% | |
| Garage door repair companies | 251 | 368 | 5.0 | 20 | 35.1% | |
| Landscapers | 237 | 547 | 4.8 | 9 | 8% | |
| Foundation repair companies | 225 | 374 | 5.0 | 16 | 14.2% | |
| Masonry contractors | 212 | 427 | 4.9 | 11 | 9.4% | |
| Insulation contractors | 199 | 328 | 5.0 | 20 | 13.6% | |
| Painters | 198 | 491 | 5.0 | 9 | 8.6% | |
| Gutter installers | 169 | 268 | 5.0 | 20 | 18.9% | |
| Demolition contractors | 146 | 319 | 5.0 | 10 | 17.8% | |
| Deck builders | 140 | 226 | 4.9 | 19 | 9.3% | |
| Siding contractors | 121 | 205 | 4.9 | 17 | 14% | |
| Handymen | 105 | 316 | 5.0 | 7 | 17.1% | |
| Tile installers | 92 | 195 | 4.9 | 12 | 10.9% | |
| Drywall contractors | 31 | 125 | 4.9 | 8 | 9.7% |
Method and basis
- Serving counts are active, de-duplicated businesses within each trade’s service radius of Diamond Bar, as of October 23, 2026.
- Ranked businesses have a confident trade 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: ContractorsRanked, “Home Services in Diamond Bar, CA: 2026 Report”, https://www.contractorsranked.com/reports/diamond-bar-ca-home-services-2026, data as of October 23, 2026.
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