Boulder / ADUs
Boulder ADUs Permit Guide
Boulder contractors: use this adus permit guide to sort the documented path from the questions you still need to take to the city. It covers accessory dwelling unit construction or conversion work.
Contractor quick answer
- Permit status
- Permit need depends on the scope — Contact the city directly
- Official fee
- Contact the city directly
- Approval timeline
- Contact the city directly
- Application route
- Open application portal
Boulder’s building-permit and contractor-licensing records provide the starting point for this trade scope, with the official source linked for the details that remain scope-dependent.
01 / Permit path
Permit requirements
Permit need for ADU work is conditional on the project scope. Boulder directs applicants to its official building-permit process for classification and submittal.
Boulder ADU permit intake
The official Boulder permit guidance is the starting point for ADU work; it does not establish a blanket permit exemption for every scope.
Open questions before you file
Contact the city directly for each item below; the curated record does not establish it for this scope.
- Exact permit exemption or applicability for the proposed scope
- Current contractor credential or registration requirement
- Current application documents
- Inspection sequence and closeout requirements
02 / Money and timing
Official fees and approval timeline
Contact the city directly
Contact the city directly for the current adus fee, review timing, and scope classification. The repository does not record a verified value for this Boulder guide. The official source is City of Boulder — Building Permits, Inspections, and Contractor Licensing.
Source: City of Boulder — Building Permits, Inspections, and Contractor Licensing
Contact the city directly
Contact the city directly for current review timing; no verified adus timeline is recorded here.
03 / Filing desk
Application portal and permit office
The curated record includes a Boulder application destination. Confirm the current trade path and required attachments before you submit.
04 / On the ground
Local notes for Boulder
Boulder’s requirements vary with the work described in the application. Keep the city record open while you confirm documents, licensing, and inspections.
Ask the city to confirm the ADU application path, plans, and associated trade permits for the proposed property.
The official source for this city was checked on September 28, 2026: City of Boulder — Building Permits, Inspections, and Contractor Licensing.
05 / Field questions
Boulder ADUs permit FAQ
Does Boulder require a permit for adus work?
Permit need for ADU work is conditional on the project scope. Boulder directs applicants to its official building-permit process for classification and submittal. Contact the city directly to classify the exact scope before you rely on the permit status.
What Boulder adus permit fee should I carry?
Contact the city directly for the current adus fee, review timing, and scope classification. The repository does not record a verified value for this Boulder guide. The official source is City of Boulder — Building Permits, Inspections, and Contractor Licensing.
How long can Boulder adus permit approval take?
Contact the city directly for the current approval timeline. The repository does not record a verified adus timeline for Boulder.
Where do I apply for a Boulder adus permit?
The curated record points to the Boulder application portal. Confirm that it accepts your exact adus scope before submitting.
Permitova is a research aid, not the permitting authority. Official city sources control. Verify the current scope, fee, documents, inspections, and timing before work begins.