Is Castana, IA 51010 a buyer’s or seller’s market?
Castana is a buyer’s market. With about 6.4 months of supply, buyers usually have more time and more room to negotiate on price and terms.
The Castana housing market right now
In the three months ending August 31, 2026, 0% of homes in Castana, IA 51010 sold above their list price, the typical home went under contract in 42 days and there were 6.4 months of supply. More than six months of supply favors buyers, who usually have more time and more room to negotiate. 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 (23 days then) and the median sale price rose 312% to $349,849. Overall, Castana is less competitive than a year ago, which gives buyers more room.
Within Monona County, homes here sell more slowly than in 71% of the county’s ZIP codes, and sell less often over asking than in any other ZIP code in the county.
Nearby, Onawa 51040 (11% sold over asking) is even more competitive.
Run the numbers for 51010
Nearby markets
Blencoe 51523 $116 /sq ftMapleton 51034Seller’s market $104 /sq ftMoorhead 51558 $51 /sq ftOnawa 51040Seller’s market $150 /sq ft Browse all markets →Where Castana is
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Questions about Castana real estate
Is Castana a buyer’s or seller’s market?
A buyer’s market: there were 6.4 months of supply in Castana, IA 51010 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 Castana?
The typical home went under contract in 42 days in the latest three months.
Do homes in Castana sell over asking?
0% of homes sold above their original list price, and the typical sale closed at 95.9% of the list price.
What are property taxes in Castana?
About 1.03% of a home’s value a year in Monona County, or roughly $4,120 on a $400,000 home.
What is the median home price in Castana?
The median sale price was $349,849 in the three months ending August 31, 2026, about $142 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