The use of multi-method, multi-informant assessment is a hallmark of research in child development and mental health; however, many research strategies such as population surveys require brief assessment tools. The Alabama Parenting Questionnaire (APQ) is a popular measure of empirically identified aspects of positive and negative parenting styles important to conduct problems in children. A brief version exists, however it does not measure all relevant parenting domains, and it has not been validated for child reports. We evaluated validity of the brief parent and child report version of the complete five subscale version of the APQ in a sample of 208 children aged between 9 and 17, at risk for conduct problems and antisocial behaviour. The results showed that all five dimensions of parenting can be measured using a brief 15 item version; specifically child and parent reports converged as expected and discriminated high from low conduct problem children using parent and teacher reports. Only child reports converged with independent observations of parenting behaviour, supporting previous research showing that child reports of parenting are particularly important. Finally, results did not support the typical methods used for combining child and parent reports into one index.