HomeMy WebLinkAboutROI_38.260.060 Setbacks ARTICLE 2-ZONING DISTRICTS
Sec. 38.260.060. - Setbacks
A. Building Setbacks
The area on a lot not intended for buildings and structures. Includes primary street setbacks, side
street setbacks, side setbacks, rear setbacks, and alley setbacks.
1. Purpose
To provide open areas on a lot and help reduce the impact of buildings or structures on abutting
sidewalks and neighboring development.
2. Applicability
The building setback requirements apply to all lots and designations of applicable lot lines are in
38.260.010.
3. Standards
a. Minimum Setback
All buildings and structures on a lot must be located at or behind the minimum building
setback specified by the zoning district unless otherwise permitted by this chapter.
b. Street-Facing Garages
(1) Individual garages are subject to the street-facing garage setback requirement as
specified by the zoning district.
(2) All garages doors that face the street must be at least 4 feet behind the adjacent facade
of the structure. Garage entrances may also be tucked under the second floor to help
meet this requirement.
(3) A street-facing garage door cannot exceed the greater of 10 feet or 50% of the ground-
level building facade facing the street.
(4) There is no restriction on the number of individual garage doors facing the street, only
the proportion of the facade associated with a garage door or doors exceeding ten feet
in total width.
(5) Individual garages facing the street are not allowed in the B-3 or B-3C districts when an
alley is adjacent to the property.
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Figure 38.260.060-1. Garage setback.
c. Alley-Facing Garages
(1) All structures must meet the alley setback as required by the district.
(2) When parking is provided between the structure and an alley lot line, the structure must
be setback at least 20 feet from the alley lot line.
d. Zero Lot Line Conditions
In all districts, the owners of two or more adjoining lots may make a legal written agreement
for mutual benefit to allow an otherwise required side setback to be reduced to zero to allow
a building to be placed at the property line. The agreement must be approved by the City and
recorded with the Gallatin County Clerk and Recorder. If no setback is required no agreement
is required. This provision does not change any building code requirement.
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Figure 38.260.060-2. Zero lot line conditions.
e. Accessory structure setbacks.
(1) Accessory structures less than or equal to 120 square feet in footprint and 9 feet or less in
height cannot be located in any front, side, or side street setback but can be up to three
feet from a rear or alley lot line.
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(2) Accessory structures greater than 120 square feet in footprint or more than 9 feet in
height must meet the minimum setback requirements of the district.
f. Maximum Setback
The area between the minimum and maximum street setbacks defines the build-to zone. For
requirements related to the build-to zone, see 38.260.080.
4. Measurement
a. All building setbacks are measured perpendicular from the applicable lot line. Easements for
utilities or other special standards may require adjustments to minimum building setbacks.
(1) A primary street setback is measured from the primary street lot line.
(2) A side street setback is measured from the side street lot line.
(3) A side setback is measured from the side lot line.
(4) A rear setback is measured from the rear lot line.
(5) An alley setback is measured from the alley lot line.
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Rear Setback t Rear Setback
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Primary Street
Figure 38.260.060-2. Setback measurement.
b. See 38.260.010.8 to determine a primary street, side street, side, rear, or alley lot line.
5. Exceptions
a. Limited Encroachments
The following are allowed encroachments into required setbacks subject to any and all
applicable International Building Code requirements and/or utility easements.
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b. Residential Districts
Table 38.260.060-1. Residential Districts
ALLOWED ENCROACHMENT
Primary St./ Side Rear Alley
Side St. Setback Setback Setback Setback
Architectural Details(max) 0' 2.5' 2.5' 1'
...... ......... .._...... ......... ......... ......... ......... ......... ......... .. .. ....... ......... ........ . ...............
Building elements attached to or integrated into the structure of a building, not available for human occupation. Examples
include:eaves, roof overhangs, gutters,awnings, canopies, belt courses, sills, lintels,pilasters,pediments, window wells
and steps and chimneys
Unenclosed Structures- ground story(max) 0' 2' 2.5' 1'
......................................................................................................................................................................................................................................................................................................................................................
Unenclosed structures having all finished floors and ground surfaces more than 2.5 feet above grade and having a total
structure height less than 15 feet. Examples:porches, decks, stoops, landing platforms,gazebos, trellises, arbors,pergolas
....... ......... ......... ......... ......... ......... ......... ......... ......... . . .... . .. ........ . ....... ......... ......... ......... .... ..... ..............
Unenclosed Structures-above ground story(max) 0' 2' 2.5' 1'
......................................................................................................................................................................................................................................................................................................................................................
Unenclosed structures having a total structure height of 15 feet of greater. Examples:balconies, upper-story light shelves,
exterior stairways
Mechanical/Electrical Equipment (max) 0' 0' 2.5' 1'
........
Examples:gas meters, electrical meters, water heaters, HVAC equipment, cisterns, wind turbines and solar panels
Waste Receptacle Enclosure (max) 0' 0' 0' 1'
Examples:trash compactors,garbage, recycling and food waste and associated screening
Fences and walls See 38.540.070
Signs See 38.550
c. Nonresidential Districts
Table 38.260.060-2. Nonresidential Districts
ALLOWED ENCROACHMENT
Primary St. / Side Rear Alley
Side St. Setback Setback Setback Setback
Architectural Details(max) 1' 0' 0' 1'
......................................................................................................................................................................................................................................................................................................................................................
Building elements attached to or integrated into the structure of a building, not available for human occupation. Examples
include:eaves, roof overhangs, gutters, awnings, canopies, belt courses, sills, lintels,pilasters,pediments, window wells
and steps and chimney
Unenclosed Structures- ground story(max) 1' 0' 0' 1'
.. . . ._....... . _....... _. ..............
Unenclosed structures having all finished floors and ground surfaces more than 2.5 feet above grade and having a total
structure height less than 15 feet. Examples:porches, decks, stoops, landing platforms,gazebos, trellises,arbors,pergolas
......................................................................................................................................................................................................................................................................................................................................................
Unenclosed Structures-above ground story(max) 1' 0' 0' 1'
................................................................................................................................................................................................................................................................................................................................I.....................
Unenclosed structures having a total structure height of 15 feet of greater. Examples:balconies, upper-story light shelves,
exterior stairways
Mechanical/Electrical Equipment (max) 0' 0' 0' 1'
Examples:gas meters, electrical meters, water heaters, HVAC equipment, cisterns, wind turbines and solar panels
Waste Receptacle Enclosure(max) 0' 0' 0' 1'
Examples:trash compactors,garbage, recycling and food waste and associated screening
Fences and walls See 38.540.070
Signs See 38.550
For encroachments into the right-of-way, an encroachment permit must be obtained from the local or
state street or road department having 'urisdiction.
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d. Unlimited Encroachments
The following can encroach into a required setback to the extent necessary to perform their
proper function.
(1) Equipment related to public or utility operating systems, including related wires, conduits,
and pipes. Examples include hydrants, transformers, utility cabinets, water utility devices,
cable television boxes.
(2) Essential services Type I and Type II when they are within a utility easement.
(3) Sidewalks, multi-use paths, ramps, and driveways 2.5 feet in height or less.
(4) Vegetation, including trees, shrubs, flowers, herbs, vegetables, grasses, ferns, mosses, and
associated planters and raised planting beds, if applicable.
(5) Natural stormwater devices.
(6) Permanent or movable furniture including benches, tables, and bicycle and scooter
parking racks.
(7) Fire escapes are only allowed in a required side or rear setbacks only.
(8) Wheelchair ramps and lifts may encroach into any required setback, but must not be
located closer than 3 feet from any property line.
6. Relief
Relief of up to 10% of a required side, rear, or alley setback may be granted due to irregular
shaped lots, topography, utility access needs, existing or required easements, or preexisting
natural features.
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