​Is there a parking lot near the bukeyashiki (samurai houses)? How much is the parking fee?​ ​

There is a municipal Sakura-Namiki Tyusyajo along the Hinokiuchi River embankment.
From 8:00 to 16:30 (Open for free after hours)
One regular car costs 500 yen, one medium-sized car costs 1,000 yen, and a large car costs 2,000 yen.
Address 124-2 Kitano, Kakunodate cho, Semboku City Akita