Chapter 18.52 — OS-SAL OPEN SPACE ZONE—SAN ANTONIO LAKES

The OS-SAL open space zone is intended to provide for permanent open spaces in the community and to safeguard the health, safety and welfare of the people by limiting development in areas where police and fire protection, protection against flooding by stormwater and dangers from excessive erosion are not possible without excessive costs to the community. (Prior code § 9640.010)

Land may be placed in the OS-SAL zone only under the following conditions:

• A. Public Uses.

  1. Wildlife preserves;

  2. Flood control channels, creeks, rivers, spreading grounds, and settling basins;

  3. Freeways, parkways and park drives;

  4. Noncommercial and commercial fishing and boating lakes, excepting motor boats, swimming, and wading;

• B. Buffer Areas. Areas separating industrial and commercial districts from agricultural and residential districts.

(Prior code § 9640.020)

The following accessory structures and land uses may be permitted in any special purpose zone only where clearly incidental to a permitted primary use, except as may otherwise be permitted herein:

• A. Fences, hedges and walls, in compliance with the regulations prescribed hereinafter and in Chapter 17.18, Site Development Standards—General;

• B. Signs, in compliance with the regulations prescribed hereinafter and in Chapter 17.15 , Sign Regulations.

(Prior code § 9640.030)

Temporary signs as provided in Section 17.15.090 , subject to compliance with all provisions therefor. (Prior code § 9640.040)

The following uses and structures may be permitted in any special purpose zone, subject to approval of a conditional use permit in compliance with provisions for same as set forth in Chapter 17.16 , Development Application and Review Procedures. The property development standards for the zone in which the use or structure is located shall apply, except as may otherwise be specifically provided for the use or structure; provided, further, that such uses and structures listed below shall not be permitted without notice of public hearings.

• A. Fire and police stations;

• B. Public educational institutions;

• C. Public parks and public playgrounds;

• D. Public utility structures, buildings and service facilities;

• E. Governmental facilities, including, but not limited to, community centers owned and operated by a governmental agency, public libraries and museums, and public parks and playgrounds;

• F. Such other uses as the planning commission may deem to be similar, not more obnoxious to the surrounding residential neighborhood and equally as essential or desirable to serve the public welfare.

(Prior code § 9640.050)

• A. Buildings or structures, excepting for accessory uses related to public park and recreational facilities, fire or police stations, or flood control and drainage facilities;

• B. Commercial uses, excepting those related to and under the regulations of parks and other city, county, state or federal recreational uses;

• C. Industrial uses;

• D. Residential uses, buildings, and mobilehome parks, but excluding caretaker's or watchmen's quarters;

• E. Any combination of residential and nonresidential uses on any lot or in any structure. (Prior code § 9640.060)

No building or structure shall be hereafter erected or located on a lot unless such building, structure or enlargement conforms with the provisions of Chapter 17.18, Site Development Standards— General and the following additional provisions, excepting as may otherwise be provided in the standards of the specific zone in which such building or structure is to be located. (Prior code § 9640.100)

• A. Minimum Lot Area. No requirement.

• B. Minimum Lot Dimensions. No requirement.

• C. Maximum Lot Coverage. The maximum lot coverage of all building and structures shall not exceed five percent, unless otherwise specifically permitted via a conditional use permit.

• (Prior code § 9640.102)

Front, side and rear yards shall be provided for all lots in any open space zone, the minimum depth and area of which shall be not less than as required below. Any such required front or street side yard shall be open and unobstructed from all mechanical equipment, air conditioning equipment, meters, and other encroachments from the ground to the sky; no yard or open space provided around any building for the purpose of complying with the provisions of this title shall be considered as providing a yard or open space for any other building; and no yard or open space on any adjoining property shall be considered as providing a yard or open space on a lot whereon a building is to be erected, except as provided hereinafter.

• A. Computation of Yards. In measuring any yard adjoining a street, it shall be the perpendicular distance between the street right-of-way and a line through the corner or face of the building

closest to and drawn parallel with the street, excluding any architectural features. If any future right-of-way line has been established by provisions of a specific ordinance or by the master plan, then the measurement of the yard shall be made from the future right-of-way line, or future property line so defined.

• B. Setbacks and yards. No requirement.

  1. Front Yard. 25 feet.

  2. Side Yards. No requirements excepting lots abutting residential uses and zones, in which case the side yard(s) shall be not less than 20 feet in width.

  3. Rear Yard. No requirement excepting lots abutting residential uses and zones, in which case the rear yard shall be not less than 20 feet in width.

(Prior code § 9640.103)

Notwithstanding any other provisions of this title, exceptions to the setback and yard requirements shall be required or may be permitted as provided in this section:

Schools and Public Facilities. No building in any open space zone shall be hereafter erected, structurally altered or used for a school, church, institution or other similar use permitted either as a matter of right or under conditional use permit unless such buildings have a front yard not less than that prescribed by the zone in which the building is to be located, but in no case less than 20 feet from all other property lines. Required side and rear yards may be used for required off-street parking, provided there is a six-foot-high masonry wall erected on the property line; provided, further, that any side and rear yard shall not be used for play purposes. The required front yard shall be landscaped with appropriate materials and shall be maintained. In addition, a 10-foot-wide landscaped area shall be provided as a buffer between schools and residential or commercial uses/zones.

(Prior code § 9640.104)

Fences, hedges and walls not to exceed six feet in height may be permitted on or within the rear or side property lines on any interior lot or any normal corner lot and to the rear of any required front setback or yard line, except as otherwise provided in this section:

• A. A solid masonry wall designed to building department specifications shall be constructed along the zone boundary, the project perimeter, and all areas designated by the planning commission to be dangerous to the health and safety of the general public.

• B. Nothing in this section shall be deemed to set aside or reduce the requirements established for security fencing by either local, state or federal law, or by safety requirements of the board of education.

(Prior code § 9640.105)

Tennis courts or other game areas shall be allowed no closer than five feet from any side yard property line if the enclosure is fenced and no closer than three feet from any side yard property line without fencing. Tennis courts or other game areas shall be allowed no closer than five feet from any rear yard property line. A maximum 10-foot-high fence to enclose tennis courts or other game areas

(as measured from the finished grade of the court) shall be allowed, no closer than five feet from any side or rear property line. Fences, if provided, shall be composed of wire mesh or steel mesh capable of admitting at least 90 percent of light as measured on a reputable light meter. In addition, a maximum of eight lights are permitted, provided that they do not exceed 22 feet in height, nor are they located closer than 10 feet to a side or rear property line. All lights and light fixtures shall be certified by a qualified lighting engineer to:

• A. Be designed, constructed, mounted and maintained such that, the light source is cut off when viewed from any point above five feet measured outside of the lot at the lot line;

• B. Be designed, constructed, mounted, and maintained such that the maximum illumination intensity measured at the wall of any residential building on abutting property shall not exceed one-half footcandle above ambient levels;

• C. Be used only between 6:00 a.m. and 10:00 p.m. (Prior code § 9640.106)

• A. Computation of Height. The vertical distance measured from the adjoining curb level to the highest point of the structure, exclusive of chimneys and ventilators; provided, however, that where buildings are set back from the street line, the height shall be measured from the average elevation of the finished grade at the front of the building.

• B. Maximum Structural Height. The height of any building or structure shall not exceed 15 feet or one story.

• C. Penthouses or Roof Structures. Structures for the housing of elevators, stairways, tanks, ventilating fans or similar equipment required to operate and maintain the building, fire or parapet walls, skylights, towers, church steeples, flagpoles, chimneys, smokestacks, silos, water tanks or wireless masts or similar structures may be erected above the height limits herein prescribed; provided that the same may be safely erected and maintained at such height in view of the surrounding conditions and circumstances, but no penthouse or roof structures, or any space above the height limit shall be allowed for the purposes of providing additional floor space.

(Prior code § 9640.107)

The provisions in Chapter 17.22 , Vehicle Parking and Loading Requirements—General, shall apply. (Prior code § 9640.109)

The provisions of Chapter 17.15 , Sign Regulations, shall apply. (Prior code § 9640.110)

The provisions of Section 17.18.090, Development review and permits—General, shall apply. (Prior code § 9640.120)

The provisions, conditions, procedures, and required findings specified in Chapter 17.16 , Development Application and Review Procedures, shall apply. (Prior code § 9640.140)

The provisions, covenants and restrictions of Section 17.12.170, Penalties for violation of regulations —General, shall apply.

(Prior code § 9640.150)