10.125 Mandatory SF and Duplex

SEC. 51A-10.125. MANDATORY LANDSCAPING REQUIREMENTS.

(a) Single family and duplex uses.

(1) General.

Except as provided in Section 51A-10.127, a lot containing a single family or duplex use established after May 29, 1994, must comply with this subsection before the final inspection of any building on the lot. The minimum number of trees required on a lot is determined by the lot size. The trees may be located in the public right-of-way if all private licensing requirements of the city code and charter are met.

(A) Lots 7,500 square feet or greater in area. A minimum of three large or medium nursery stock trees per lot with a minimum of two nursery stock trees in the front yard.

(B) Lots between 4,000 square feet and 7,499 square feet in area. A minimum of two large or medium nursery stock trees per lot with a minimum of one nursery stock tree located in the front yard.

(C) Lots 4,000 square feet or less in area. A minimum of one large or medium nursery stock tree per lot.

(D) Additional requirements:

(i) Nursery stock trees must be a species listed in the approved tree list maintained by the director.

(ii) Trees must have a minimum caliper of two inches.

(iii) Trees must be planted a minimum of 20 feet on center from the nearest point of an overhead electric line.

(iv) An existing, healthy, and protected tree on the lot or parkway may count as a required tree if it is not a boundary tree abutting adjacent private property.

(2) Shared access development.

(A) Shared access developments must comply with the following requirements:

(i) A landscape plan meeting the requirements of Section 51A-10.104 and Section 51A-10.123 must be approved before a building permit for grading is issued or a private development contract pursuant to Section 51A-8.612 is approved, in conjunction with construction.

(ii) The minimum required landscape area for a shared access development is determined by the number of individual lots. Landscape areas in individual lots may be included in the total landscape area measurement for developments with a maximum of 36 individual lots. Permeable pavement does not count as landscape area.

(aa) Shared access developments with a maximum of 10 individual lots must provide a minimum landscape area equal to 10 percent of the total shared access development area.

(bb) Shared access developments with a minimum of 11 and a maximum 36 individual lots must provide a minimum landscape area equal to 15 percent of the total shared access development area.

(iii) One site tree must be provided for every 4,000 square feet within the shared access development. The trunk of any site tree must be located at least two-and-one-half feet from any pavement. Site trees must be species listed in the approved tree list. Large or medium nursery stock trees may not be planted within 20 feet on-center of the nearest point of an overhead electric line.

(iv) One plant group must be provided for every 40 feet of street frontage. Plant groups may be located within the front yard or parkway if all private licensing requirements of the city code and charter are met. In this subparagraph, parkway means the portion of a street right-of-way between the projected street curb and the front lot line or corner side lot line. If the director determines that a large or medium tree would interfere with utility lines, one substitute small tree from a species listed in the approved tree list may be provided.


(B) Plant groups for shared access developments must include the following:

(i) one large tree and two small trees;

(ii) one large tree and three large evergreen shrubs; or

(iii) one large tree, two small trees, and one large evergreen shrub.