| Business | Phone |
| Clayton Car Wash 4748 Clayton Rd, Concord 94521 | (925) 676-4818 |
| Gold Coin Car Wash 2191 Monument Blvd, Concord 94520 | (925) 687-6070 |
| Kwik-N-Easy Car Wash 1305 Galindo St, Concord 94520 | (925) 687-4046 |
| Rain & Shine Car Wash 4595 Clayton Rd, Concord 94521 | (925) 798-2520 |
| Bay Area Auto Detail 925-415 Mobile Service, Concord 94518 | (415) 939-3789 |