(a) No front yard need be provided on a lot in a hillside area where the topography of the lot is such as to make it unreasonable or impractical to locate a building on the lot and provide a front yard.

(b) No side yard need be provided for a dwelling or hotel erected above the ground floor of a building, where the ground floor is designed for commercial or industrial purposes.

(c) Cornices, eves, belt courses, sills, canopies or other similar architectural features, may project into a required side yard not more than two inches for each one foot of width of such side yard and may project into any other required yard space not more than thirty (30) inches.
(d) Open, unenclosed stairways or balconies, not covered by a roof or canopy, may project into a required rear yard not more than for (4) feet, and such balconies may project into a required front yard not more than six (6) feet.

(e) Open, unenclosed porches, platforms, places, not covered by a roof or canopy, or landings, which do not extend above the level of the first floor of the building, may project into any required front, side, or rear yard, not more than six (6) feet.

(f) A fence, lattice work screen, wall, or hedge, not more than six (6) feet in height, may be located in any required front, side or rear yard.

(g) In computing the lot area of a lot which abuts upon an alley one-half (2) the width of such alley may be assumed to be a portion of the lot.

(h) Accessory buildings or structures may be located and maintained in a rear yard, except in the required ten (10) foot rear yard which is that portion adjoining the rearmost main building on the lot.

(1) Such buildings or structures may also be located and maintained in any side yard, except in the required eight (8) foot side yards adjoining each of the side lot lines.

(2) Such buildings or structures may also be located and maintained in any front, side or rear yard when such buildings or structures are to be used for purposes relative to connections to island electric power, including for standby generators and for alternative power connections for net metering purposes, provided that such buildings or structures shall be located at or near the point that electric power is provided by the Guam Power Authority, and if located in a front, side or rear yard,

(A) the walls may be erected on the front and/or rear and/or side lot lines, and

(B) such buildings or structures shall not exceed three hundred twelve (312) square feet of floor space, and

(C) the roofs thereof shall not project beyond the lot lines and

(D) shall be sloped in such a manner as to prevent rain runoff from flowing to adjacent property.

(3) When such buildings or structures are to be used for standby generators, an exhaust or ventilation to the outside air must be provided. Such accessory building shall have an interior height of no less than seven (7) feet, and the overall exterior height of the structure shall be no greater than ten (10) feet, and shall meet building code standards.

(4) When such buildings or structures are intended as vehicle shelters, they must be fifteen (15) feet from the front lot line and may be zero (0) feet from the property line on one (1) side only.

(5) When such buildings or structures are intended as swimming pools and related accessory structures such as gazebos, they must be a minimum of five (5) feet from the front lot line and may be zero (0) feet from the rear or side lot line.

(6) When such buildings or structures are to be used exclusively for storage or as outdoor cooking facilities, they may be located in a side or rear yard with walls erected on the rear and/or side lot lines; provided that such buildings or structures shall not exceed two hundred (200) square feet of floor space.

For all structures in this Subsection (h), the roofs thereof shall not project beyond the rear or side lot lines and shall be sloped in such a manner as to prevent rain run off from flowing to adjacent property. A storage or cooking facility may only be constructed on residential lots which meet the yard requirements provided by
§ 61501 of this Code.

(i) Any accessory building or structure, which on the effective date of this Act was already in existence, shall be considered to be “”grandfathered,”” provided, that the accessory building or structure is in compliance with the provisions of this § 61503. If such accessory building or structure is not in
compliance with the provisions of this § 61503, the structure shall be either brought into compliance or removed.

SOURCE: GC § 17202. Subsection (h) amended by P.L. 15-061:1 (Sept.
12, 1979) and 17-025:III:4 (Oct. 6, 1983) and 18-032:10 (Apr. 24, 1986). Subsection (h) amended by P.L. 30-103:1 (Mar. 12, 2010). Subsection (i) added by P.L. 30-103:2 (Mar. 12, 2010).

2015 NOTE: Subsection designations were added to subsection (h) in accordance with the authority granted by 1 Guam Code Ann. § 1606.