Securing Consumers' Assurance in Moving Act of 2003

Authorizes an individual or a State or local government to enforce a consumer protection law, regulation, or other provision with respect to the interstate transportation of household goods by a motor private carrier.

Establishes a working group of State attorneys general, State consumer protection administrators, and Federal and local law enforcement officials to develop practices and procedures to enhance the Federal-State partnership in enforcement efforts with respect to interstate transportation of household goods by motor private carriers.

Sets forth both civil and criminal penalties for persons found holding a household goods shipment hostage (failure to deliver to, or unload at, the destination of a shipment of household goods).

Requires: (1) publication OCE 100 of the Department of Transportation (DOT), entitled "Your Rights and Responsibilities When You Move" be prominently displayed on the DOT Web site; and (2) motor carriers or brokers that maintain a web site to display certain household goods information.

Establishes a system for filing and logging consumer complaints relating to motor carriers providing transportation of household goods.

Requires the Secretary to review current Federal regulations regarding insurance coverage provided by a motor carrier providing transportation of household goods and to revise such regulations in order to enhance protection for shippers in the case of loss or damage.

Provides civil penalties for a broker for transportation of household goods (or a person that provides transportation of household goods) that: (1) makes an estimate of transportation costs of such goods before entering into a carrier agreement; or (2) provides services for such transportation without being registered.