| Parish | Address |
| St. Matias Mulumba Parish, Thika | P.O Box, 3395- 01000 THIKA |
| St. Patrick’s Parish, Thika | P.O Box, 33-01000 THIKA |
| Maria Magdalene Parish, Munyu | P.O Box, 3396-01000 THIKA |
| Immaculate Conception Parish, Kilimambogo | P.O Box 187- 01000 THIKA |
| St. Bernadette Parish, Ngoingwa, | P.O. Box,1499 THIKA. |
| St. Achilles Kiwanuka Parish, Thika | P.O Box, |
| Holy Rosary Parish, Witeithie | Juja | P.O. Box, |