Background It is said that regular intensity recreational physical activity or PA, whether moderate or vigorous, improves physical as well as cognitive functions. What remains unclear, however, is whether there is an association between age and non-recreational PA and functional ability. The objective of this study is to investigate the association between housework and functional health among younger and older community-dwelling adults. Method The researchers conducted a cross-sectional study of younger and older Singaporean community-dwelling adults. “Younger” referred to individuals under 65, while “older” referred to individuals over 65. These adults were randomly recruited from a large residential town in Singapore. The researchers assessed physical function using Short Physical Performance Battery or SPPB, repeated-chair-sit-to-stand, and gait speed. To measure cognitive and sensorimotor functions, the researchers conducted the Repeatable Battery for the Assessment of Neuropsychological Status or RBANS and Physiological Profile Assessment or PPA, respectively. Light housework or LH and heavy housework or HH, recreational, and occupational and transport-related PAs were assessed using PA questionnaires. Key Findings The researchers found that RBANS scores were higher in high HH and LH groups among older adults only. HH was associated with high attention score, while LH was associated with higher immediate and delayed memory scores. The younger adults scored higher in the sit-to-stand time and PPA scores in the high HH group than the low HH group. SPPB and gait speed were similar for both age groups. Another finding was that there was no association between LH and physical or sensorimotor function. Conclusions and Recommendations The researchers therefore concluded that among older adults, housework is associated with higher levels of cognitive function, more so in memory and attention. Another conclusion is that the relationship between housework and physical function and sensorimotor function depend on the intensity. Housework PA was also concluded to be positively associated with functional health among older adults. This is independent of recreation and other non-recreational PAs. More research is needed to further establish the causality of these variables.