2018 Building Codes In Effect as of February 1, 2019

The 2018 International Residential Code, International Building Code and related codes as amended by Larimer County and adopted by the Board of County Commissioners, will take effect February 1, 2019. All permit applications must have plans designed to the 2018 codes. 

Please click on the links below to read the full amendments to the residential and commercial codes, as well as a list of the most significant code changes. 


Requirements for Vacation Homes in the Estes Valley (After 3/31/19)

If you have a vacation home in the Estes Valley Planning Area, but outside the town limits of Estes Park, we must perform a Life Safety Survey inspection under an issued building permit, and issue a Certificate of Occupancy (CO) for the conversion to a Vacation Home.  You have 60 days from the issuance of your vacation home registration to apply for your County building permit. 

Issuing a conversion permit requires parcel research to see if any unpermitted work was done so “as-built” permits may be issued. The conversion permit and any as-built permits must receive final inspection approval to obtain your Vacation Home Conversion CO, and there may be corrections required from the Life-Safety Survey inspection. It is your responsibility to schedule the inspections and make all corrections in a timely manner. If you wait too long, you may run out of time and lose your vacation home registration.


Once your permit is issued, you will have 6 months to schedule your life safety inspection.  After your life safety inspection, you will have 12 months to make any needed corrections.


The Building Department is responsible for professional building services including permits, plan review, inspections, and code enforcement for all the unincorporated areas of Larimer County. We are committed to ensuring compliance with the adopted codes and protecting the health and safety of Larimer County residents.


Contact Us

200 W. Oak Street, Suite 3100
PO Box 1190
Fort Collins, CO 80522-1190
Phone: (970) 498-7700
Inspection Request Line: (970) 498-7697
Hours: 8am - 4pm (Monday, Wednesday - Friday); 9am - 4pm (Tuesday)

Estes Park office
1601 Brodie Ave.
Estes Park, CO 80517
Phone: (970) 577-2100

Estes Park Office hours: 8am - 11am (Monday, Wednesday - Friday) Closed Tuesday

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