As of today, , there are 3 properties for sale in the 62305 area and 9 properties listed for sale in the city of Quincy. This single family residential home at 9423 Rock Quarry Rd in ZIP code 62305 was last listed for $182,666. This is 8% above the current $169,000 median price for Quincy and 8% above the median of $169,000 for the ZIP code. Of the 9 properties for sale in Quincy, 8 are single family homes and 1 are condos. 9423 Rock Quarry Rd is a single family residential home that is approximately — Sqft, 100% below the city median of 1,327 and 100% below the 62305 ZIP code median of 1,327. The price per square foot was — which is 100% below the current median price in 62305 of $130 and 100% below the Quincy median of $85 per square foot.