Main Office
8849 W. Wyoming Avenue
Rathdrum,ID 83858
(208) 765-1144

Sandpoint Office
1000 Baldy Mountain Rd
PO Box 1113
Sandpoint, ID 83864
(208) 263-0538

Idaho Public Works
Contractor License
Unlimited 1-2-3

Idaho Contractor
Registration No. RCE-1593

Montana Contractor
Registration No. 150433

Washington L & I

Credit and Billing

Interstate Concrete and Asphalt offers customers the services and features to make their account setup and bill-paying process as efficient and painless as possible. New technology is utilized as soon as it becomes available.

New Account Setup

If you are interested in being a customer with Interstate Concrete and Asphalt, please fill out the credit application and fax the completed form to (509) 536-3051 or send to our Credit Department email.

Download Credit Application


For Washington State - please provide your reseller permit
For Idaho State - please provide form ST 101

Mail - PO Box 3366, Spokane, WA  99220-3366
Email -
Fax - 509-536-3051

Note:  For Oregon State - there is no tax unless you pick up your order in WA; then tax will be applied


Interstate Concrete and Asphalt  is proud to offer E-Invoicing for the convenience of our customers. With this tool customers can easily access their invoices as early as one day after order delivery or pick up. You may also set up your account to have your invoices sent to more than one email address.

Set up your E-Invoicing Account

On-Line Bill Pay Through Our NEW Customer Portal

Our new Customer Portal is an efficient way to pay those concrete, gravel or supply invoices. Along with the E-Invoing tool, customers can access and pay their invoices without leaving their desk. This is a convenient and easy way to pay your bills and will save you time and is available 24/7.

Set up your Customer Portal account

Washington Contractor Registration # INTERCC137RU

Idaho Registration # RCE-1593

Montana Contractor License # 150433