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A. Table of Exceptions and Encroachments. The following table identifies permitted exceptions and encroachments into required yard areas and height limits.

Table 4.2-10

Exceptions and Encroachments

Structure or Feature

Conditions or Limits

Encroachments into Required Yard Areas

Accessory solar collector

Exempt from side and rear setbacks except where prohibited by building code. Not permitted in required front setbacks.

Accessory structures

See Section 146-4.2.3.F and 4.2.3.G

Accessory wind energy system

Exempt from side and rear setbacks except where prohibited by building code. Not permitted in required front setbacks.

Masonry ledges, window sills, belt courses, chimneys, fireplaces, cantilevers, architectural features, cornices, eaves, and roof overhangs

May extend two feet into a required setback.

Fencing, landscaping, walkways and stairways, landings associated with stairways, handicap ramps, and railings,

Exempt from setback and yard requirements.

Little library book exchange boxes

Exempt from front yard setbacks in Residential zone districts, provided the portion of the yard occupied by the box does not exceed two square feet.

One-story unenclosed porches, patios, and decks (30 inches or less in height above grade)

May extend eight feet into required front yard setback and may extend into required rear yard setback.

One-story unenclosed porches, patios, and decks (greater than 30 inches in height above grade)

May extend into the rear yard setback up to 10 feet from the rear lot line.

Open fire escapes in Subarea A and where already existing on the Effective Date.

May extend up to four feet into any required setback.

Port cochere, carport, or canopy if every part is unenclosed except for necessary structural supports

May extend into side setbacks, but no closer than 5 feet to any side lot line.

Raised garden beds no more than three feet in height

Exempt from setback requirements.

Exceptions to Building Height Limits

Places of worship towers and spires, belfries, cupolas, domes not used for human occupancy, chimneys, ventilators, skylights, water tanks, bulkheads, similar features and necessary mechanical appurtenances usually carried above the roof level

Exempt from height limit.

Structures built to support, shelter, or enclose emergency warning sirens, communication antennae, or other public safety devices operated by government agencies. Requirements for telecom facilities are included in Section 146-3.3.5.JJ.

Exempt from height limit.

Ham radio antenna or television antenna

Permitted height shall be 45 feet measured from finished grade, only permitted in rear yard, and must comply with all required setbacks.

Accessory wind energy system

Permitted height shall be 10 feet above the height limit for primary structures.

Accessory rooftop solar collectors

May extend up to 18 inches above the height limit for primary structures.

(Ord. No. 2019-49 § 1, 08-19-2019)