Window / Door Permit Requirements in Boulder, CO
Boulder is a city of 106,802 residents in Colorado that follows the 2024 building code. Whether you need a building permit for your Window / Door project depends on the scope of work — here's what Boulder's building department requires.
When you DON'T need a permit
Replacing windows or doors in existing openings of the same size does not require a permit.
Source: City of Boulder Code / 2024 ICC codes
Replacing windows or doors in existing openings of the same size does not require a permit.
Source: City of Boulder Code / 2024 ICC codes
When you DO need a permit
Cutting a new window or door opening requires a building permit as it involves structural modifications.
Estimated fee: $100 – $400
Typical timeline: About 2 weeks
Source: City of Boulder Code / 2024 ICC codes
Enlarging an existing window or door opening requires a building permit.
Estimated fee: $100 – $350
Typical timeline: About 2 weeks
Source: City of Boulder Code / 2024 ICC codes
Enlarging an existing window or door opening requires a building permit.
Estimated fee: $100 – $350
Typical timeline: About 2 weeks
Source: City of Boulder Code / 2024 ICC codes
Check your specific project
Answer a few quick questions to get a personalized answer for your exact project.
Check Now — Free →Free Lookup vs. Pro Report
$7.99Less than a coffee. Could save you a $5,000 fine.
- Permit required / exempt answer
- Code citation
- Estimated fee range
- Approval timeline
- Building dept contact
- Step-by-step application guide
- Required documents checklist
- Complete fee breakdown
- Contractor vs. owner-builder info
- Setback & height requirements
- Printable PDF-ready report
One-time payment. 30-day money-back guarantee.
Contractors: speed up your bidding — get exact requirements for your client in seconds.
Building Department Contact
Frequently Asked Questions
Estimated permit fees for Window / Door projects in Boulder, CO range from $100 – $400. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Window / Door projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Boulder can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Window / Door permits in Boulder is About 2 weeks. More complex projects may take longer if plan review is required.
Learn More About Window / Door Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Window / Door Guide →