As of today, , there are 218 properties for sale in the 62002 area and 218 properties listed for sale in the city of Alton. This single family residential home at 409 Sering Ave in ZIP code 62002 was last listed for $38,500. This is 52% below the current $79,900 median price for Alton and 52% below the median of $79,900 for the ZIP code. Of the 218 properties for sale in Alton, 216 are single family homes and 2 are condos. 409 Sering Ave is a single family residential home that is approximately 749 Sqft, 42% below the city median of 1,288 and 42% below the 62002 ZIP code median of 1,288. The price per Sqft was $51 which is 23% below the current median price in 62002 of $66 and 23% below the Alton median of $66 per Sqft.