Site Plan Waiver / Change of Use
Exterior changes, changes in land use, or uses classified as a Group Home typically require a review by the City of Longmont. See below for specifics on which form is most appropriate for any proposed site or land use changes.
Site Plan Waiver
Typically, all new development including additions, and site changes shall be subject to the site plan review process. In some cases, it is possible to request a waiver from that review process. A Site Plan Waiver Application is applicable when there are changes in land use that require site improvements or if there is any new construction that does not exceed 25% of the existing building area of the property. Please contact staff to inquire whether or not your proposal is eligible for a Site Plan Waiver. If so, please keep in mind that there is also a checklist which outlines submittal requirements.
A waiver will be considered when the additional building area does not exceed twenty-five percent (25%) of the property’s existing building area and the construction or site changes meet the following criteria:
- Does not affect on- and off-site traffic circulation or parking areas;
- Does not affect public utilities or services (including fire suppression/flow requirements), or affect the on-site drainage system;
- Does not significantly alter the use of the property or cause adverse impacts on surrounding properties, neighborhoods, or the environment without mitigating those impacts;
- Does not result in any safety problems or hazards; and Complies with the review criteria stated in Section 15.02.080 of the Longmont Development Code.
Change of Use
A Change of Use Application is required for any land use or occupancy changes. This for may still be applicable even when n o exterior site changes are proposed. Please keep in mind that a building permit may be required for any interior changes or improvements. Please contact staff regarding any proposed changes to see if the Change of Use Application is required.
Change of Use Applications may be required for the following scenarios:
- Changes in Land Use (Reference Table 15.04.020 – Table of Allowed Uses)
- Changes in Tenant or Occupancy Type (Example: Group M – Mercantile to Group A – Assembly)
Group Homes
A Change of Use Application is required for new or changes in Group Homes, Recovery Residences, Sober Living Homes or similar types of residential dwellings used by persons protected by the provisions of the Federal Fair Housing Act (FHA). Please see the Change of Use Application and Group Homes Checklist and Info Guide below for more information.
Concerning residency restrictions for registered sex offenders, please see Ordinance O-2025-33, which modified Title 10 of the Longmont Municipal Code and was approved on May 20, 2025.
If you have any questions or for more information, contact us at (303) 651-8330 or Longmont.planning@longmontcolorado.gov.
