Washtenaw County, Michigan
Healthy Home Assessments in Northfield Township
Lake-and-farm township north of Ann Arbor settled by Irish Catholics in the 1820s, centered today on the Whitmore Lake community. Air, moisture, water and ventilation, read together.
The homes of Northfield Township
Worth knowing: Home of the oldest English-speaking Catholic parish in Michigan, founded on this site in 1831. Some 8,555 residents occupy about 3,313 households.
The housing stock
By the 2023 five-year American Community Survey, 74.8% of units are detached single-family homes and 80.4% of occupied units are owner-occupied. Bachelor's attainment among adults is 36.3%. The building record here reaches back to 1831, and an older envelope moves air and holds moisture on its own terms.
With Whitmore Lake nearby, seasonal humidity behaves differently, and moisture is where the assessment starts. At 80.4% owner-occupancy the person booking usually controls roof, basement and ducts together, so the walkthrough follows them in one pass.
What stands in Northfield Township:
- St. Patrick's Parish Complex. Parish founded as St. Brigid with an 1831 log church, the oldest English-speaking Catholic parish in Michigan; the 1878 Gothic Revival church joined the National Register in 1982.
- Whitmore Lake. The township's namesake lake community on the Washtenaw-Livingston line.
- St. Patrick's cemetery and rectory. Historic burial ground of the Irish settlers ministered by Father Patrick O'Kelly from 1829.
- Whitmore Lake waters. Swimming and boating lake anchoring the township's largest community.
- Township rural lands. Farm and wetland country between Ann Arbor and Whitmore Lake.
Streets and settlements
Northfield Township also contains one named district, Whitmore Lake. Whitmore Lake: Unincorporated lake community shared with Green Oak Township. Mail runs through the 48105, 48178 and 48189 ZIP codes.