Located within the larger Kasarani area, it is approximately 13 kilometres (8 mi) northeast of Nairobi's central business district off Thika Road.

Zimmerman is located approximately 13 kilometres (8 mi) northeast of Nairobi's central business district, off Thika Road to the west, within the larger sub-county of Kasarani.

[2][3] The grounds that Zimmerman now sits on were previously used by the taxidermy factory, that was launched in 1929 and closed in 1977, after the Kenyan government banned hunting.

[6] The neighbourhood has however increasingly gained a large population from residents from other parts of Kenya.

Zimmerman is located within Roysambu Constituency, which encompasses other estates and neighbourhoods such as: Garden Estate, Thome, Ridgeways, Marurui, Kiwanja, Njathaini, Ngomongo, Kongo Soweto, parts of Kahawa and Githurai, Mirema, Kamiti, and Zimmerman.