Commercial Addition Permit in Town of Carbondale, Colorado

Town of Carbondale requires a commercial addition permit for: Addition to an existing commercial structure within Town limits; Site plan review generally required. If your project isn't listed, confirm with Town of Carbondale Building Department at 970-963-2733 (Town Hall); Inspection line 970-510-1210 (call by 5:00 PM the business day prior to the requested inspection) before starting work.

In Town of Carbondale, the published Building Permit Fee is: Per the same valuation-based bracket table as residential construction (see residential-building-permit). Additional published fees: Plan Review Fee — 65% of the Building Permit Fee; Town of Carbondale Use Tax — Declared construction material value x 3.5%. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Town of Carbondale's published plan-review target for a commercial addition permit is 63–63 business days.

You'll need: Building Permit Application. See the required-documents checklist on this page for details on each.

Town of Carbondale requires 2 inspection(s) for a commercial addition permit, in order: Framing, Final. Schedule each through Town of Carbondale Building Department (970-963-2733 (Town Hall); Inspection line 970-510-1210 (call by 5:00 PM the business day prior to the requested inspection)).

Apply through Town of Carbondale Building Department at 511 Colorado Avenue, Carbondale, CO 81623. Phone: 970-963-2733 (Town Hall); Inspection line 970-510-1210 (call by 5:00 PM the business day prior to the requested inspection), email: msikes@carbondaleco.net (Mary Sikes — submit all application documentation in one email as PDF attachments, with the property address in the subject line). Office hours: Town Hall: Monday-Friday, 8:00 AM to 5:00 PM. Fax: 970-963-9140.. Official information: https://www.carbondalegov.org/departments/building/.

Town of Carbondale, Colorado has adopted: 2021 IBC (International Building Code), adopted by Ordinance No. 3/2025 amending Chapter 18 of the Carbondale Municipal Code, effective 7-1-2025, per the Town's Building Department page (carbondalegov.org/departments/building/).; 2021 IRC (International Residential Code), effective 7-1-2025, per the same ordinance.; 2021 IPC (International Plumbing Code), effective 7-1-2025.; 2021 IMC (International Mechanical Code), effective 7-1-2025.; 2021 IECC (International Energy Conservation Code), effective 7-1-2025.; 2021 IEBC (International Existing Building Code), effective 7-1-2025.; 2021 IFGC (International Fuel Gas Code), effective 7-1-2025.; 2021 ISPSC (International Swimming Pool and Spa Code), effective 7-1-2025.; The most current electrical code adopted by the State of Colorado (Carbondale does not maintain its own separately-numbered local electrical code amendment; electrical permitting and inspection in Carbondale is handled by the Colorado State Electrical Board, not the Town — see the 'electrical-permit' entry below).; 2021 IFC (International Fire Code) and the 2025 Colorado Wildfire Resiliency Code (rendered 'CWFC' on the Town's own Building page, elsewhere labeled 'CWRC' and cross-referenced to Municipal Code Article 14) — both became effective 7-1-2026 per the Town's Building Department page, which as of this file's verification date is already in effect (the page's own text is still phrased as 'WILL BE EFFECTIVE 7-1-2026', but that date has now passed).. Local amendments apply — see the Town of Carbondale overview page for the full list.