Planning & Development

Zoning Regulations

6-step guide for How to use the UDC 

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The March 2023 Unified Development Chapter can be downloaded in one large Adobe Acrobat (.pdf) file, including all zoning maps, or individual sections of the text and maps can be downloaded as individual .pdfs below. 

Article 1: General Provisions 

(Sections 50-1 to 50-12)   

Article 2: Zone Districts  

(Sections 50-13 to 50-18) Includes information on zone district minimum requirements (such as lot area and frontage), flood plains and flood hazard management, shoreland, stormwater, and overlay districts (natural resources, historic, airport, skyline, and higher education).


Article 3: Permitted Uses 

(Sections 50-19 to 50-20) Includes a table of uses to determine where certain land uses are allowed, whether the use is allowed without special approvals (permitted use), after having obtained a Special Use Permit (special use), after having obtained an Interim Use Permit (interim use), or if the use is a use only allowed as an accessory to a principal use (accessory use) or temporary use.  Use specific standards are given after the use table to describe special conditions apply to certain uses.

Article 4: Development Standards  

(Sections 50-21 to 50-34) Includes information on form districts, site connectivity, parking, landscaping, screening, signs, sustainability, building design standards, exterior lighting, plat design, and maintenance and operating standards.

Article 5: Administration & Procedures

(Sections 50-35 to 50-39)  Includes information on review and approval processes, treatment of uses, buildings, and lots that were legal before an amendment to the UDC made them nonconforming with the new rules, and enforcement procedures and penalties.

Article 6: Definitions

(Sections 50-40 to 50-41)  Includes definitions of terms used in the UDC.

Amending Ordinances

Below are amendments made since the last UDC update:

  • 24-011-O: An Ordinance Amending Sections 50-14.5, Residential-Traditional; 50-14.6, Residential-Urban; And 50-15.2, Mixed Use-Neighborhood; Related To Dimensional Standards In These Zone Districts Of The Unified Development Chapter
  • 23-001-O: Ordinance Amending Sections 50-20 Use Specific Standards; 50-21 Dimensional Standards; 50-36 Reviewers And Decision Makers; 50-37 Review And Approval Procedures; 50-38 Non-Conformities; And 50-41 Definitions Related To Dwelling Front Entrances, Parking For Vacation Dwelling Units, Accessory Home Shares, Accessory Solar Panels, Accessory Structures/Decks, And Appeals
  • 23-048-O: Ordinance Amending Sections 50-18.5, Higher Education Overlay; 50-19.8, Permitted Use Table; 50-20.1, Residential Uses; 50-20.3, Commercial Uses; 50-20.5, Accessory Uses; 50-24, Parking And Loading; And 50-41, Definitions; Related To Off-Street Parking Requirements In The Unified Development Chapter.
  • 23-059-O: Ordinance Amending Section 50-37, Review And Approval Procedures, To Add An Exterior Lighting Procedure
  • 23-058-O: Ordinance Amending Sections 50-20, Use Specific Standards, To Add Accessory Day Care Facility And Accessory Retail Or Showroom; And 50-41, Definitions, To Amend Accessory Day Care Facility, And To Add Accessory Retail Or Showroom

UDC Interpretations

In accordance with Section 50-10, the Land Use Supervisor is authorized to interpret provisions of the UDC, including uses not already classified as well as any provisions that may be ambiguous. These interpretations are an interim step until the City Council can officially amend the UDC.  Below are the interpretations made since the last UDC update: