City Building Permits
Town of New Castle, CO - 2026 Building Permit Guide
How to apply for a building permit in Town of New Castle, Colorado. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Town of New Castle only
- Department
- Building Department / Planning and Code Administration
- Address
- New Castle Town Hall, 450 West Main Street, PO Box 90, New Castle, CO 81647
- Phone
- 970-984-2311
Application Process
- Complete permit application and checklist.
- Include soils analysis, site plan, and engineered stamped structural drawings for new builds.
- Email the complete packet to permitting@newcastlecolorado.org.
- Town reviews for completeness, zoning, land use code, 2021 IBC compliance, and applicable historic district characteristics, then calculates fees and issues permit.
Source: Building Department / Planning and Code Administration
General Requirements
Permit required for construction work within town limits.
Required Documents
- permit application
- plan sets
- soils analysis for new builds
- site plan
- stamped structural drawings as applicable
- Building code
- 2021 International Building Codes with town amendments; page also references 2021 IECC requirements and 2023 Colorado Model Electrical and Solar Ready Codes
- Contractor requirements
- all contractors and subcontractors must have a valid Town of New Castle business license
Fees
- Permit fee formula
- fees are calculated after review and due at issuance; the public page does not show the full formula in-line
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the Building Department / Planning and Code Administration to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- Contact the Building Department (phone)
- Scheduling deadline
- 24-hour notice required for inspections
Typical inspection sequence: not fully published in one page, but town indicates inspections are required
Additional Resources
- Building code: 2021 International Building Codes with town amendments; page also references 2021 IECC requirements and 2023 Colorado Model Electrical and Solar Ready Codes
- Zoning information: View zoning info
- Planning department
- Municipal code
- License lookup guide: Colorado Contractor License Requirements
- Contract template: Colorado Homeowner-Contractor Agreement
- Colorado hub: Colorado Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Building Department / Planning and Code Administration before applying.
Frequently Asked Questions
Town of New Castle Building Permit FAQ
- Do I need a building permit in Town of New Castle, CO?
- Permit required for construction work within town limits.
- How much does a building permit cost in Town of New Castle, CO?
- Fees are calculated as: fees are calculated after review and due at issuance; the public page does not show the full formula in-line.
- How do I apply for a building permit in Town of New Castle, CO?
- 1. Complete permit application and checklist. 2. Include soils analysis, site plan, and engineered stamped structural drawings for new builds. 3. Email the complete packet to permitting@newcastlecolorado.org. 4. Town reviews for completeness, zoning, land use code, 2021 IBC compliance, and applicable historic district characteristics, then calculates fees and issues permit.
- How do I schedule a building inspection in Town of New Castle, CO?
- Inspections can be scheduled via: Contact the Building Department. 24-hour notice required for inspections.
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