| Business | Phone |
| Calvary Chapel Golden Springs 22324 Golden Springs Dr, Diamond Bar 91765 | (909) 396-1884 |
| Church In The Valley 23555 Golden Springs Dr # G, Diamond Bar 91765 | (909) 860-1672 |
| Diamond Bar Congregational Chr 2335 S Diamond Bar Blvd, Diamond Bar 91765 | (909) 861-4735 |
| Diamond Bar Northminster 400 Rancheria Rd, Diamond Bar 91765 | (909) 861-4715 |
| Diamond Canyon Christian Chr 3338 S Diamond Canyon Rd, Diamond Bar 91765 | (909) 595-3399 |
| Evangelical Free Church 3255 S Diamond Bar Blvd, Diamond Bar 91765 | (909) 594-7604 |
| Global Mission Church 23425 Sunset Crossing Rd, Diamond Bar 91765 | (909) 396-4441 |
| Grace Chinese Church 23300 Golden Springs Dr, Diamond Bar 91765 | (909) 860-2865 |
| Loving Jesus Grace Church 2707 S Diamond Bar Blvd # 105, Diamond Bar 91765 | (909) 839-0996 |
| Mt Calvary Lutheran Church 23300 Golden Springs Dr, Diamond Bar 91765 | (909) 861-2740 |
| Springs Of Life Harvest Center 2517 Harmony Hill Dr, Diamond Bar 91765 | (909) 444-5580 |
| St Denis Church 2151 S Diamond Bar Blvd, Diamond Bar 91765 | (909) 861-7106 |
| Church Of Christ 2450 Evergreen Springs Dr, Diamond Bar 91765 | (951) 966-4078 |
| Church Of Jesus Christ Of Lds 1101 S Diamond Bar Blvd, Diamond Bar 91765 | (909) 861-3537 |
| Diamond Bar Gateway Comm Ch 534 Macenta Ln, Diamond Bar 91765 | (909) 861-2553 |
| Lords Place Church 22600 Sunset Crossing Rd, Diamond Bar 91765 | (909) 860-3302 |
| Southwest Baptist Conference 22707 Mountain Laurel Way, Diamond Bar 91765 | (909) 860-0359 |