Trinity members and friends serve residents at Oneida Heights by doing laundry for those who struggle with the task because of physical or financial challenges. Over 350 volunteer hours were logged in 2019 at Oneida Heights. All laundry detergent, fabric softener and money for coin-operated washers and dryers is provided by Trinity. Laundry baskets and bags have also been given to residents when needed.
Oneida Heights opened in 1971 as the first affordable housing for older adults in Appleton. Oneida Heights is now part of the Appleton Housing Authority which provides housing options for low and moderate income households.