Article 6 — ONE-FAMILY RESIDENTIAL ZONE (R-1.5)

Except as otherwise provided in this article, no lot, premises, building or portion thereof in zone R-1.5 shall be erected, constructed, built, altered, enlarged, built upon, used, or occupied for any purpose except as a private onefamily residence, family daycare home licensed pursuant to state law, small or large residential community care facility operating in compliance with section 10-3-2778 of this chapter, or transitional or supportive housing structured as a single-family residence. (Ord. 17-O-2724, eff. 2-10-2017; amd. Ord. 24-O-2892, eff. 4-18-2024; Ord. 24-O-2894, eff. 6-7-2024; Ord. 24-O-2904, eff. 1-3-2025; Ord. 25-O-2918, eff. 9-5-2025)

The following uses shall be permitted in the R-1.5 zone only if authorized by a conditional use permit issued pursuant to the provisions of article 38 of this chapter:

Clubs.

Educational institutions.

Museums.

Public utility uses, except as provided in section 10-3-2754 of this chapter. Religious institutions. (Ord. 91-O-2133, eff. 12-5-1991; amd. Ord. 94-O-2212, eff. 9-9-1994)

(Ord. 91-O-2133, eff. 12-5-1991; amd. Ord. 24-O-2894, eff. 6-7-2024)

Accessory dwelling units and junior accessory dwelling units shall be permitted in zone R-1.5 provided the criteria set forth in article 50 of this chapter are satisfied or a minor accommodation is issued pursuant to the procedure provided in article 50 of this chapter. (Ord. 17-O-2724, eff. 2-10-2017; amd. Ord. 24-O-2892, eff. 4-18-2024)

A. No other buildings except the usual accessory buildings, including private garages, private stables, and detached guest suites or pool houses which are appurtenant to and are, or are intended to be, used together with a public school, public library, public playground, or private one-family residence or dwelling shall be placed upon, erected, constructed, built upon, enlarged, altered, used, or occupied on any lot or parcel of land in zone R-1.5 except as otherwise provided in this chapter. Unenclosed accessory structures may contain kitchen facilities provided the structure does not also include bathroom facilities. For the purposes of this chapter, "unenclosed accessory structure" shall mean any accessory structure that has at least one open side (no more than 3 solid walls in a square or rectangular structure), and shall not include structures where the open wall is fitted with a sliding glass partition capable of fully enclosing the structure. Fully enclosed accessory structures shall not contain kitchen facilities. B. Notwithstanding the provisions of subsection A of this section, an accessory building lawfully constructed prior to September 26, 2003, may provide complete, independent living facilities (including kitchen facilities) without otherwise conforming to the accessory dwelling unit or junior accessory dwelling unit standards set forth in article 50 of this chapter, provided the property owner has recorded a covenant in a form satisfactory to the city attorney restricting the use of the site to one bona fide housekeeping unit or was otherwise lawfully constructed in conformance with the applicable codes in effect at the time of construction. Notwithstanding any other provision of this code, any such accessory structure may be maintained indefinitely and may be altered or expanded without otherwise complying

with the regulations applicable to accessory dwelling units or junior accessory dwelling units. (Ord. 17-O-2724, eff. 2- 10-2017; amd. Ord. 24-O-2892, eff. 4-18-2024)

(Rep. by Ord. 91-O-2111, eff. 3-22-1991)

A. Except as provided in article 43 of this chapter, no business shall be conducted or maintained in any building or upon any lot or premises, or upon any portion of either thereof, in zone R-1.5. All property and buildings in zone R- 1.5 hereby are limited to strictly private one-family residential uses except as otherwise provided in this article. A single-family transient use of a "single-family residence" or "accessory dwelling unit", as defined in section 10-3-100 of this chapter, by a single housekeeping unit is prohibited in a single-family residence, accessory dwelling unit(s), or other accessory structure(s) of a single-family residence, including but not limited to pools, game courts, or yards. B. A "single-family residence" or "accessory dwelling unit", as defined in section 10-3-100 of this chapter, may be rented or leased (as evidenced by a written rental or lease agreement, or by evidence of occupancy for at least one year), provided that the initial lease term shall be at least one year. This provision does not apply to transitional housing, emergency shelters, congregate care facilities, or supportive housing. (1962 Code § 10-217; amd. Ord. 91-O2133, eff. 12-5-1991; Ord. 01-O-2383, eff. 11-2-2001; Ord. 25-O-2918, eff. 9-5-2025)