The City’s phased plan to reopen facilities and services is based on our commitment to protect City staff and residents, and in adherence with the most up-to-date State of Colorado and Boulder County public health orders. To learn more about which City facilities have reopened or plan to reopen, visit the COVID-19 webpage.

 City of Louisville Sign Code

The City of Louisville Sign Code was adopted on October 15, 2019 and is now in effect. This webpage provides general information for sign regulations, and when a sign permit is necessary.  Please contact the Department of Planning and Building Safety with any questions regarding how the sign code applies to your property.


Permanent non-illuminated Window Signs and non-illuminated wall-mounted Display Signs do not require a permit.  All other Permanent Signs require a sign permit, including any new installation, or a copy change, face change or other alteration to an existing Permanent Sign.  Temporary Banners require a sign permit, but all other temporary signs do not.  All signs, whether or not they require a permit, must be installed in accordance with the regulations in the Sign Code.  Please see the permit application and submittal requirements at the link below:

Sign Information

The following summary handouts are intended as quick reference aids.  Please refer to the Sign Code to understand all applicable regulations.