Home services in Castro Valley, CA: 2026 report
9,761 ranked entriesUpdated 28 trade lists
The 28 trade lists for Castro Valley, CA hold 9,761 ranked entries. General contractors have the most, with 1,182. 17% of ranked entries post 24/7 hours.
Key numbers for Castro Valley
Shares use ranked businesses as their base. A business in two trade lists counts in both.
9,761
ranked entries by CR Score, in 28 trade lists
18,602
trade listings serving the city; a business counts once per trade
5.0
median of the trades’ median Google ratings
17%
of ranked entries post 24/7 hours (1,658)
Contractor trades in Castro Valley, by ranked businesses
| Trade | Ranked | Serving the city | Median rating | Median reviews | 24/7 share | |
|---|---|---|---|---|---|---|
| General contractors | 1,182 | 3,121 | 5.0 | 7 | 5.7% | |
| Plumbers | 821 | 1,280 | 4.9 | 23 | 37.4% | |
| Roofers | 772 | 1,494 | 4.9 | 14 | 16.7% | |
| HVAC contractors | 673 | 1,070 | 4.9 | 17 | 27.9% | |
| Kitchen remodelers | 632 | 1,042 | 5.0 | 15 | 7.4% | |
| Electricians | 592 | 1,191 | 5.0 | 12 | 21.3% | |
| Bathroom remodelers | 584 | 966 | 5.0 | 16 | 7.5% | |
| Home builders | 497 | 1,042 | 5.0 | 10 | 5% | |
| Water damage restoration companies | 405 | 683 | 5.0 | 16 | 56.8% | |
| Flooring contractors | 382 | 660 | 4.9 | 11 | 7.3% | |
| Window installers | 319 | 511 | 4.8 | 19 | 6.6% | |
| Concrete contractors | 308 | 696 | 5.0 | 9 | 6.5% | |
| Solar installers | 303 | 579 | 4.9 | 19 | 11.6% | |
| Garage door repair companies | 291 | 389 | 5.0 | 20 | 48.1% | |
| Tree services | 287 | 532 | 4.9 | 14 | 24.4% | |
| Painters | 209 | 419 | 5.0 | 10 | 6.7% | |
| Gutter installers | 209 | 334 | 5.0 | 20 | 19.1% | |
| Deck builders | 172 | 302 | 5.0 | 13 | 3.5% | |
| Landscapers | 158 | 375 | 5.0 | 8 | 10.1% | |
| Masonry contractors | 148 | 284 | 4.9 | 12 | 3.4% | |
| Fence contractors | 145 | 289 | 5.0 | 13 | 6.9% | |
| Insulation contractors | 138 | 254 | 4.9 | 24 | 30.4% | |
| Foundation repair companies | 129 | 206 | 4.8 | 14 | 8.5% | |
| Demolition contractors | 110 | 216 | 5.0 | 9 | 11.8% | |
| Handymen | 107 | 292 | 5.0 | 9 | 12.1% | |
| Siding contractors | 100 | 190 | 5.0 | 12 | 5% | |
| Tile installers | 61 | 122 | 4.8 | 12 | 8.2% | |
| Drywall contractors | 27 | 63 | 4.9 | 11 | 3.7% |
Method and basis
- Serving counts are active, de-duplicated businesses within each trade’s service radius of Castro Valley, as of October 22, 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 Castro Valley, CA: 2026 Report”, https://www.contractorsranked.com/reports/castro-valley-ca-home-services-2026, data as of October 22, 2026.
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