Door County · 2026 data
Sister Bay, Wisconsin Home Market Report
Updated 2026-06-21 · by Micah Nicholes, Founder, HouseBuyerz
Who owns the homes in Sister Bay?
Ownership reflects the most recent public assessor records (2026).
Of the roughly 2,908 homes in Sister Bay, about 29.8% are held by owners with an out-of-state mailing address (above the Wisconsin average of 5.3%), and about 12.6% are titled to a company or LLC rather than a person (above the state average of 5.6%).
Company- and out-of-state-owned homes are usually the most willing to sell quickly for cash — they're managed as investments, not lived in.
Curious how Sister Bay compares to the rest of the state? See our Who Owns Wisconsin study — out-of-state and corporate ownership across all 72 counties.
In Sister Bay (Door County, Wisconsin), the typical home is worth about $467,850, across roughly 2,908 dwellings. About 68% are owned by investors or landlords rather than the people living in them — above the Wisconsin average of 21%.
Sister Bay sits in a county where recorded mortgage data isn't reliable enough to report an accurate cash-sale share, so we've left that figure out rather than publish a number we can't stand behind.
For homeowners, the takeaway is that there's a real, active cash market for Sister Bay houses — including as-is, inherited, and off-market sales that never hit the MLS. (HouseBuyerz is one of those cash buyers.)
Selling a house in Sister Bay?
Get a no-obligation cash offer, backed by the same kind of local data above.
Got it. ✅
Thanks — we'll reach out within minutes.