bid binding as final price on contruction

[ric2bec]

What is the name of your state? iowa

Contractor bid for new construction of home did not state estimate for anything. We overpaid contractor on bid price, but after 3 months passing, contractor is now notifying we owe additional funds for construction. Is this legal in Iowa? We took bid as final price for his work. Also, can same contractor charge us sales tax?

 

[HomeGuru]

What is the name of your state? iowa

Contractor bid for new construction of home did not state estimate for anything. We overpaid contractor on bid price, but after 3 months passing, contractor is now notifying we owe additional funds for construction. Is this legal in Iowa? We took bid as final price for his work. Also, can same contractor charge us sales tax?

**A: read your contract. If you used the standard AIA type, all change orders must be approved in writing. What is the additional amounts for?