The department is one of the departments formed after the formation of Uasin Gishu County Government. It is charged with the following broad mandates

Land administration and management (public land in the former local Authorities);
Land Survey and mapping;
Development, Management and administration of county houses;
Spatial Planning and Development Control; and
Management of urban areas.
The departments which were devolved as per the 4th schedule of the constitution were, Physical Planning, Survey, Housing and Land administration of the defunct Eldoret Municipal Council and Wareng and Burnt Forest Townships. These departments carry out concurrent functions meaning that we share staff with national government.

The department is headed by the County Executive Committee member as the policy maker and the Chief Officers who are the accounting and authorized officer. The department has also section heads and other staff members totaling to fifty one (51) County staff in addition to twenty one (21) National Government staff.