11-04-01: GENERAL PROVISIONS:

This chapter establishes the zoning districts and contains district purpose statements and district-specific regulations. Chapter 11-05, Overlay and Specific Plan Districts, contains the purpose statements and district regulations for overlay districts. Chapter 11-06, Use Standards, and Chapter 11-07, Development and Design Standards, identify the uses allowed within the districts and the dimensional standards applying to development in the districts.

   1.   Zoning Districts Established: The incorporated area of Boise City is divided into the zoning districts shown in Table 11-04.1.

      A.   Zoning Districts Table:

Table 11-04.1: Zoning Districts Established
District Type	Abbreviation	District Name
Open Land	A-1	Open Lands, Park
	A-2	Open Land, Reserve
Residential	R-1A	Single Family Residential, Large Lot
	R-1B	Single Family Residential, Suburban
	R-1C	Single Family Residential, Urban
	R-1M	Town Lot Residential
	R-2	Medium Density Residential
	R-3	Multi-Family Residential
Office	N-O	Neighborhood Office
	L-O	Limited Office
	R-O	Residential Office
Commercial	C-1	Neighborhood Commercial
	C-2	General Commercial
	C-3	Service Commercial
	C-4	Planned Commercial
	C-5	Central Business
	PC	Pedestrian Commercial
Industrial	M-1	Light Industrial District
	M-2	Heavy Industrial District
	T-1	Technological-Industrial Park
	T-2	Technological-Manufacturing Park
Special Purpose	HS	Health Services District
	U	University District

 

      B.   Relationship Of Base Zoning Districts And Overlay Districts: Where a property is designated as an overlay district as well as a base zoning district, the regulations governing development in the overlay district shall apply in addition to the regulations of the base district. In the event of a conflict between the two, the standards for the overlay district shall control.

   2.   Zoning Map: The zoning districts are shown on the Official Zoning Map. Procedures for amending the Zoning Map are in Section 11-03-04.3, Rezone. The Zoning Map, together with all notations, references, and other information shown thereon, and all amendments thereto, is a part of this Code and shall have the same force and effect as if said map or maps was fully set forth and described herein.

      A.   Boundaries Generally: The boundaries of zoning districts are delineated upon the Official Zoning Map.

      B.   Rules For Interpretation Of Boundaries: Wherever any uncertainty exists as to the boundary of a district, the following rules shall apply:

         (1)   Where any boundary line is indicated as following a street, alley, waterway, railroad right-of-way or public way, it shall be construed as following the center line thereof.

         (2)   Where a boundary line is indicated as approximately following a lot line, such lot line shall be construed to be the boundary line.

      C.   Original Map And Copies: The map will be maintained and copies will be obtained through Boise City Planning and Development Services Department.

   3.   General Standards:

      A.   Height Exceptions, Generally: Exceptions to height limits for structures and appurtenances in this Code not otherwise modified in this Section may be authorized by a conditional use permit decided by the PZC.

      B.   Air Terminal Height Restrictions: In addition to the provisions of this Code, the height of structures may be further restricted by Title 8, Airport, of the Boise City Code.

      C.   Setbacks Measurement:

         (1)   Setbacks are measured from the property line unless otherwise indicated in a specific zone. When based on the street type consult the most recently adopted ACHD Functional Classification Map. When setbacks are required by building story, the setback is measured to each individual story as follows:

Figure 11-04.1: Setback

         (2)   When a building setback line is delineated on any plat, the setback shown on the plat shall govern.

   4.   Permitted Uses In Any Yard:

      A.   Into Any Yard: The following shall be permitted to encroach in any yard as indicated:

         (1)   Cornices, canopies, eaves, or other projections that do not increase the volume of space enclosed by the building and do not project into any required yard more than two feet; provided that an unroofed stair and landing together with a railing may project not more than three feet into a front yard or six feet into a rear yard.

         (2)   Chimney, not more than eight feet in width, projecting not more than two feet.

         (3)   Flagpoles, antennas, and other tall structures shall conform to the height limit allowed within the zone unless approved in accordance with the provisions of Section 11-04-01.3.

         (4)   Window wells projecting no more than three feet.

      B.   Into Rear Yards: The following shall be permitted to encroach in rear yards: An unroofed balcony that does not project more than four feet into such yard. Support structures for balconies shall be located outside required yards.