14.28.090 Projections into Yards.
(1) The following structures may be erected on or project into any required yard, except that they shall not obstruct a required driveway:
(a) Fences and walls in conformance with the Provo City Code and other City codes and ordinances; and
(b) Landscape elements including trees, shrubs, and other plants;
(c) Necessary appurtenances for utility service.
(2) The structures listed below may project into a minimum front yard not more than four (4) feet, and into a minimum side yard not more than two (2) feet, except that required driveways must remain unobstructed from the ground upward.
(a) Cornices, eaves, belt courses, sills, buttresses, or other similar architectural features; and
(b) Stairways, balconies, door stoops, fire escapes, awnings, and planter boxes or masonry planters not exceeding twenty-four (24) inches in height.