How much does a building permit cost in Evergreen (Unincorporated Jefferson County), CO?

The minimum permit fee is Verify from current Jeffco fee sheet before quoting. Fees are calculated as: Unified building permit fee schedule with valuation-based building permit fees and listed fees for MEP and reroof/reside categories. Plan check fee: County plan review fee is 65% of permit fee on permits requiring plan review.

How do I schedule a building inspection in Evergreen (Unincorporated Jefferson County), CO?

Inspections can be scheduled via: Citizen Portal (24/7), 303-271-8260 (Monday through Thursday). Online requests made before 6 a.m. may be performed the same workday; phone requests must be received by 5 p.m. the day before.

City Building Permits

Evergreen (Unincorporated Jefferson County), CO - 2026 Building Permit Guide

How to apply for a building permit in Evergreen (Unincorporated Jefferson County), Colorado. Permit authority, application steps, fees, and inspection requirements.

Colorado Jefferson County Updated March 2026

Permit Authority

Evergreen is an unincorporated community, so building permits are issued by Jefferson County rather than a town or city building department. Evergreen projects often trigger mountain-specific wildfire, snow-load, geotechnical, access, and onsite wastewater review issues.

Department: Jefferson County Division of Building Safety
Address: 100 Jefferson County Parkway, Suite 3540, Golden, CO 80419
Phone: 303-271-8260
Email: buildingsafety@jeffco.us
Website: https://www.jeffco.us/785/Building-Safety

Online Permit Portal

Open Jeffco Citizen Portal

Platform: Jeffco Citizen Portal • Account required: Yes • Submission: In-person only

Additional resources:

Application Process

Confirm the property is in unincorporated Jefferson County using the county address lookup and jurisdiction tools.
Review plan submittal requirements and any Planning and Zoning checklist items for the project.
Preregister for the Citizen Portal, then submit the application and electronic PDF plans.
Include all required residential or commercial categories, including truss documents at initial submittal where applicable.
Obtain any required Planning and Zoning, fire district, floodplain, OWTS, driveway/access, or geotechnical documentation.
Pay county permit fees and any related review fees.
Once permit is issued, schedule inspections through the Citizen Portal or by phone and complete final documentation before certificate of occupancy.

Source: Jefferson County Division of Building Safety

General Requirements

Jefferson County requires permits for covered building, electrical, plumbing, mechanical, reroof, and related work in unincorporated areas; mountain-area projects should expect added review for wildfire zone, snow load, access, and site constraints.

Required Documents

Residential submittals may include architectural plans, structural plans, Manual J, Manual D, door/window schedules, alternative energy documents, REScheck, truss details/layouts, and calculations
Commercial submittals may include application, site plan, architectural, structural, MEP, fire alarm/sprinkler plans, COMcheck, truss details, calculations, and spec books
Planning and Zoning may require survey, site plan, deeds, driveway engineering, fire district letter, water/sewer or well/septic documentation, and soils reports

Building code: Jefferson County publishes the 2018 IRC, 2018 IBC, 2018 IECC, 2018 IEBC, 2018 IFGC, 2018 IMC, 2018 IPC, and 2023 NEC, plus county supplements; Appendix Z wildfire construction rules apply in Wildfire Zone 1, including much of the mountain area above 6400 feet.
Owner-builder: A homeowner/builder may be exempt from contractor licensing when acting as contractor for a residential dwelling or accessory buildings intended for the homeowner's own personal use and occupancy; a person may secure permits on only one residence in a 24-month period under this exception.
Contractor requirements: All general, roofing, and mechanical contractors applying for permits in unincorporated Jefferson County must obtain a Jefferson County contractor license; state-licensed plumbers and electricians are not separately licensed by the county.

Fees

Minimum permit fee: Verify from current Jeffco fee sheet before quoting
Plan check fee: County plan review fee is 65% of permit fee on permits requiring plan review
Permit fee formula: Unified building permit fee schedule with valuation-based building permit fees and listed fees for MEP and reroof/reside categories
Reinspection fee: Reinspection fees may be assessed under the county supplements; inspections will not be scheduled if an outstanding reinspection fee has not been paid
Payment note: Confirm payment workflow in the Citizen Portal or with Building Safety at issuance.

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

Work That Does NOT Require a Permit

Minor repair or maintenance work such as interior decorating
Painting
Window covering installation
Drywall patching
Masonry repair

Important: Jeffco does not surface a simple exemption handout on the main landing pages reviewed. Because Evergreen sites frequently fall in wildfire, steep-slope, septic, or mountain-access contexts, confirm any claimed exemption directly with Building Safety before starting work.

Inspections

How to Schedule

Citizen Portal (24/7) (online)
303-271-8260 (Monday through Thursday) (phone)

Scheduling deadline: Online requests made before 6 a.m. may be performed the same workday; phone requests must be received by 5 p.m. the day before
Inspection hours: Field inspections Monday through Friday
Time windows: Online requests made before 6 a.m. may be performed the same workday; phone requests must be received by 5 p.m. the day before; inspection windows post online at 8 a.m. the day of inspection

Typical inspection sequence: County guidance references rough trade inspections before frame inspection, then insulation certificate/foundation compliance/special inspection letters before final building inspection; a dedicated inspection sequence procedural guide is also published.

Inspections will not be scheduled if a reinspection fee remains unpaid; stamped plans, inspection card, final documents, and ladders must be onsite.

Additional Resources

Building code: Jefferson County publishes the 2018 IRC, 2018 IBC, 2018 IECC, 2018 IEBC, 2018 IFGC, 2018 IMC, 2018 IPC, and 2023 NEC, plus county supplements; Appendix Z wildfire construction rules apply in Wildfire Zone 1, including much of the mountain area above 6400 feet.
Verify contractor license: Contractor Licensing
Zoning information: View zoning info
Adopted Building Codes
Appendix Z (Wildfire Construction)
Climatic and Geographic Design Criteria
Requests
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 Jefferson County Division of Building Safety before applying.

Frequently Asked Questions

Evergreen (Unincorporated Jefferson County) Building Permit FAQ

Do I need a building permit in Evergreen (Unincorporated Jefferson County), CO?: Jefferson County requires permits for covered building, electrical, plumbing, mechanical, reroof, and related work in unincorporated areas; mountain-area projects should expect added review for wildfire zone, snow load, access, and site constraints.
How much does a building permit cost in Evergreen (Unincorporated Jefferson County), CO?: The minimum permit fee is Verify from current Jeffco fee sheet before quoting. Fees are calculated as: Unified building permit fee schedule with valuation-based building permit fees and listed fees for MEP and reroof/reside categories. Plan check fee: County plan review fee is 65% of permit fee on permits requiring plan review.
How do I apply for a building permit in Evergreen (Unincorporated Jefferson County), CO?: 1. Confirm the property is in unincorporated Jefferson County using the county address lookup and jurisdiction tools. 2. Review plan submittal requirements and any Planning and Zoning checklist items for the project. 3. Preregister for the Citizen Portal, then submit the application and electronic PDF plans. 4. Include all required residential or commercial categories, including truss documents at initial submittal where applicable. 5. Obtain any required Planning and Zoning, fire district, floodplain, OWTS, driveway/access, or geotechnical documentation. 6. Pay county permit fees and any related review fees. 7. Once permit is issued, schedule inspections through the Citizen Portal or by phone and complete final documentation before certificate of occupancy.
What work is exempt from building permits in Evergreen (Unincorporated Jefferson County), CO?: The following work is generally exempt: Minor repair or maintenance work such as interior decorating; Painting; Window covering installation; Drywall patching; Masonry repair. Note: Jeffco does not surface a simple exemption handout on the main landing pages reviewed. Because Evergreen sites frequently fall in wildfire, steep-slope, septic, or mountain-access contexts, confirm any claimed exemption directly with Building Safety before starting work.
How do I schedule a building inspection in Evergreen (Unincorporated Jefferson County), CO?: Inspections can be scheduled via: Citizen Portal (24/7), 303-271-8260 (Monday through Thursday). Online requests made before 6 a.m. may be performed the same workday; phone requests must be received by 5 p.m. the day before.

Need help with your project?

Navigating permits in Evergreen (Unincorporated Jefferson County) 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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