City Building Permits

Town of Castle Rock, COLORADO Building Permit Guide

How to apply for a building permit in Town of Castle Rock, Colorado. Permit authority, application steps, fees, and inspection requirements.

Colorado Douglas County Updated March 2026

Permit Authority

Applies inside Town of Castle Rock municipal limits; unincorporated county areas are handled by Douglas County.

Department
Town of Castle Rock Development Services, Building Division
Address
100 N Wilcox St, Castle Rock, CO 80104
Phone
720-733-3527

Online Permit Portal

Platform: eTRAKiT • Account required: Yes • Submission: In-person only

Application Process

  1. Confirm project type and code requirements on the Building Division and residential or commercial permit pages.
  2. Register contractor or prepare homeowner permit materials if owner-builder.
  3. Create an eTRAKiT account and submit the permit application and PDF plans/documents online.
  4. Respond to plan review comments in eTRAKiT if review is required.
  5. Pay permit fees and use tax when invoiced.
  6. Receive issued permit in eTRAKiT and post or keep permit records available on site.
  7. Schedule inspections in eTRAKiT or by hotline and obtain final approvals.

Typical processing time: Not published as a single standard on the main Building page; varies by permit type and plan review scope.

Source: Town of Castle Rock Development Services, Building Division

General Requirements

Building permit applications are required for residential and commercial work handled by the Building Division; examples include additions, decks, reroofing, AC, furnaces, water heaters, remodels, and commercial projects.

Required Documents

  • Permit application
  • PDF plans where applicable
  • Manufacturer specifications and gas load calculations for certain equipment
  • Contractor registration materials
  • Homeowner affidavit for owner-builders
  • Fire or erosion or stormwater materials depending on project
Permit validity
Not clearly published on the main permit pages; confirm with Building Division for permit-specific expiration rules.
Building code
2018 IBC, 2018 IRC, 2018 IPC, 2018 IEBC, 2018 ISPSC, 2009 ANSI A117.1, 1997 Uniform Code for the Abatement of Dangerous Buildings, 2023 NEC, plus listed elevator and people-mover standards under Title 15.
Owner-builder
Homeowners may act as their own contractor for residential additions, alterations, or repairs, but must submit a Homeowner Affidavit.
Contractor requirements
Contractors must have a valid license from a testing jurisdiction with an ICC-equivalent exam, liability insurance, workers compensation if applicable, pay registration fees, and register with the Town before permit application.

Fees

Minimum permit fee
Not clearly published on the main fee page.
Plan check fee
Included in Development Services fee schedule; project-specific.
Permit fee formula
Development Services fee schedule; building permit fees and valuation data plus Town building use tax apply.
Reinspection fee
Confirm from current Development Services fee schedule.
Payment note
Permit fees are paid through eTRAKiT; Town building use tax may also apply even to some construction modifications that do not require a permit.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the Town of Castle Rock Development Services, Building Division to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

Scheduling deadline
eTRAKiT until 6:30 a.m. on the requested date, or call by 3:30 p.m. for next-business-day inspection.
Inspection hours
7:30 a.m. to 5 p.m.; Building Counter assistance after 8 a.m.

Typical inspection sequence: Permit issuance, required trade or building inspections, corrections if needed, then final approvals.

Same-day cancellations after 6:30 a.m. require calling the Building Counter; if the hotline request cannot be accommodated, staff contacts the applicant.

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Town of Castle Rock Development Services, Building Division before applying.

Need help with your project?

Navigating permits in Town of Castle Rock can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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