How much does an LLC cost in Idaho?

The Idaho filing fee to form an LLC is $100. With MFA, the Formation package is $150 plus the state fee: $250 in total to form it, EIN included.

Idaho LLC Cost 2026: $100 to File + Rules

Idaho LLC at a glance

Formation document	Certificate of Organization
Filing office	Idaho Secretary of State, Business Services (filed through SOSBiz)
State filing fee	$100
Name reservation (optional)	$20
Annual report	See the state's official page in the sources below; we confirm current state fees before invoicing.
Also know	Paper filings carry a $20 manual processing fee; online filing avoids it. Annual report is due by the last day of the LLC's anniversary month, every year.
State tax registration	Idaho business registration (IBR) through the State Tax Commission for a seller's permit (sales/use tax) and, if you have employees, a withholding account. Register the business with the State of Idaho first. No fixed deadline is published
Registered agent	Required: an Idaho-resident individual or a business entity registered with the Secretary of State, with a physical Idaho street address (no PO boxes or private mailboxes)
Processing time	This is the state's recent estimate; processing times vary with filing volume.

Your total with MFA

Package	MFA fee	State fee	Due at formation
Formation	$150	$100	$250
Formation + Business Setup	$249	$100	$349
Complete Launch	$649	$100	$749

MFA fees are one-time and never renew. See what each package includes, or add monthly bookkeeping from $199/month.

Start my Idaho LLC

Sources

Facts checked against the official sources above as of October 20, 2026. State fees change; we confirm the current fee before invoicing. MFA is not a law firm and does not provide legal advice. We prepare and file formation documents based on the information you provide. Educational information, not tax or legal advice.