Background Renal Sarcoidosis is a rare disease and poorly described. We aimed to characterise the clinical presentation, histopathology, treatment response, and renal outcomes in patients with biopsy proven renal sarcoidosis. Methods A retrospective observational study with biopsy-proven kidney disease in sarcoidosis, assessing demographics, clinical presentation, histology, treatments, and outcomes. Progression to CKD stage 4/5 or requiring dialysis was the primary outcome.