Rehabilitation & Alterations to Historic Buildings: Includes any property designated in the The Town of Telluride Historic & Architectural Survey, 2013 (2013 THAS) as Contributing or Supporting to the Historic District. Any alteration to the exterior of a historic building, including the construction of an addition, is subject to review. The Design Guidelines and Standards for the relevant treatment area apply to such a property as well as the River Park Corridor Overlay, if appropriate.

Alteration to Existing Non-Contributing Buildings With or Without Qualification as Designated in the 2013 THAS: Includes properties that are older but lack integrity as historic structures, or may be a newer building that has not achieved historic significance. The relevant treatment area Design Guidelines and Standards and the River Park Corridor Overlay and Special Standards may be applicable.

Site Work: Includes landscaping of grounds as well as new grading and construction of driveways and hardscape such as patios and decks.

New Construction: Includes any new, freestanding structure, either as primary or secondary building. The relevant treatment area Design Guidelines and Standards, the River Park Corridor Overlay and other Special Standards may be applicable.

Sign Work: Installation of a new sign or alteration of an existing one is subject to review.

General: Maintenance and repair is generally not reviewed by HARC. However, if the maintenance and repair activity changes the physical appearance of the building or involves the removal and replacement of significant materials and components on a historic structure, HARC approval may be required.