Is Sumner, MI 48889 a buyer’s or seller’s market?
Sumner is a seller’s market. With about 3.2 months of supply and 0% of recent sales closing above the original list price, competing offers are common on well-priced homes. Buyers here often have a pre-approval in hand and a plan for the appraisal gap before touring.
The Sumner housing market right now
In the three months ending August 31, 2026, 0% of homes in Sumner, MI 48889 sold above their list price, the typical home went under contract in 307 days and there were 3.2 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. With only 1 sale, these figures can swing a lot from month to month.
Compared with the same period a year earlier, the share selling over asking was about the same (0% then), homes sold more slowly (62 days then) and the median sale price fell 2% to $185,920. Overall, Sumner is less competitive than a year ago, which gives buyers more room.
Within Gratiot County, homes here sell more slowly, and less often over asking, than in any other ZIP code in the county.
Nearby, Bannister 48807 (50% sold over asking) and Elwell 48832 (33% sold over asking) are even more competitive.
Run the numbers for 48889
Nearby markets
Alma 48801Seller’s market $112 /sq ftAshley 48806Seller’s market $112 /sq ftBannister 48807Seller’s market $137 /sq ftBreckenridge 48615Seller’s market $120 /sq ft Browse all markets →Towns like Sumner nearby
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Questions about Sumner real estate
Is Sumner a buyer’s or seller’s market?
A seller’s market: there were 3.2 months of supply in Sumner, MI 48889 in the three months ending August 31, 2026. Under four months usually favors sellers, and more than six favors buyers.
How fast do homes sell in Sumner?
The typical home went under contract in 307 days in the latest three months.
Do homes in Sumner sell over asking?
0% of homes sold above their original list price, and the typical sale closed at 93.5% of the list price.
What are property taxes in Sumner?
About 1.24% of a home’s value a year in Gratiot County, or roughly $4,960 on a $400,000 home.
What is the median home price in Sumner?
The median sale price was $185,920 in the three months ending August 31, 2026, about $55 per square foot.
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Market data describes housing activity only. Figures are rolling 3-month values from Redfin and may be revised. Methodology