Chapter 17.20 — R-1-20,000 RESIDENTIAL ZONE (SINGLE-FAMILY)

This zone is intended to provide for the development of single-family homes on large estate-type homesites, not more than one dwelling unit permitted on any lot. (1964 Code Appx. A § 3.00)

Buildings, structures and land shall be used, and buildings and structures shall hereafter be erected, structurally altered or enlarged only for the following uses, plus such other uses as the commission and council may deem (pursuant to Chapter 17.60 CMC) to be similar and not more obnoxious or detrimental to the public health, safety and welfare. All uses shall be subject to the property development standards in CMC § 17.20.050 through 17.20.110 and to those of the R-1-7500 zone, CMC § 17.26.160 through 17.26.300 :

• A. Single-family dwellings, not more than one dwelling per lot, except that an accessory dwelling unit permitted under this chapter shall not count toward the one dwelling per lot limitation;

• B. Guest house, subject to the regulations in CMC § 17.04.291 ;

• C. Private dance, only when conducted in conjunction with a church or school;

• D. The keeping, for noncommercial purposes, of not more than three of any of the animals listed below nor more than nine total of any combination of the following animals:

  1. Domesticated parrot,

  2. Domesticated parakeet,

  3. Domesticated rabbits and hares of the family Leporidai,

  4. White or albino rats or mice,

  5. Golden hamsters of the species Mesocrietus auratus,

  6. Guinea pigs of the species Cavia porcellus,

  7. Canis familiaris (domestic dogs),

  8. Felis catus (domestic cats),

  9. Ducks,

  10. Geese,

11. Turkeys,

12. Chickens,

13. Pigeons,

14. Doves,

15. Local frogs,

16. Turtles and toads,

17. Tropical fish normally found in a pet store (no limit),

Such animals shall be maintained in accordance with CMC Title 7;

• E. Occasional sale;

• F. In-home business permitted in accordance with CMC § 17.26.035 of the R-1-7500 residential zone;

• G. Accessory dwelling unit, subject to the regulations in Chapter 17.69 CMC;

• H. Two-Unit Development and Urban Lot Splits. The provisions of Chapters 16.02 and 16.06 CMC and CMC § 17.33.060 shall apply.

(Ord. 23-02 § 9, 2023; Ord. 19-07 §§ 20, 21, 2019; Ord. 04-1901 § 8, 2004; Ord. 1664 § 5, 1988; Ord. 1350 § 1, 1977; Ord. 1325 § 4, 1976; Ord. 1251 § 14, 1974; Ord. 1182 § 6, 1972; 1964 Code Appx. A § 3.01)

• A. The uses permitted subject to conditional use permit in the R-1-7500 zone, CMC § 17.26.030 , may be so permitted in this zone.

• B. Caretakers' residences and servants' quarters shall also be permitted. (1964 Code Appx. A § 3.02)

The uses expressly prohibited in the R-1-7500 zone, CMC § 17.26.040 , shall be prohibited in this zone.

(1964 Code Appx. A § 3.03)

The property development standards of the R-1-7500 zone, CMC § 17.26.160 through 17.26.300 , shall apply to all land and buildings in the R-1-20,000 zone. In addition, the property development standards contained in CMC § 17.20.060 through 17.20.110 shall apply, except that any lot held under separate ownership or that was of record on the effective date of the ordinance codified in this title which is substandard in area or dimensions may be used subject to all other standards. (Ord. 1251 § 15, 1974; 1964 Code Appx. A § 3.04)

Each lot shall have a minimum area of 20,000 square feet. (1964 Code Appx. A § 3.04)

All lots hereafter created shall comply with the following minimum standards and lots now held under separate ownership or of record may not be reduced below these standards. For method of measurement, see definitions of "lot depth" and "lot width," CMC § 17.04.369 and 17.04.405 , respectively:

• A. Width.

  1. Interior lots shall have a minimum width of 100 feet,

  2. Corner lots shall have a minimum width of 102.5 feet,

  3. Reversed corner lots shall have a minimum width of 105 feet,

  4. Lots siding on freeways, public schools, recreation areas or railroad rights-of-way shall have a minimum width of 125 feet,

  5. Cul-de-sac lots shall have a minimum width of 45 feet at the front lot line and a minimum lot width of 100 at the front building setback line;

B. All lots shall have a minimum depth of 150 feet. (1964 Code Appx. A § 3.04)

There shall be a minimum of 20,000 square feet of lot area for each dwelling unit and there shall be no more than one dwelling unit on any one lot; provided, however, that one accessory dwelling unit authorized by this title may be located upon the same lot as the primary dwelling unit without exceeding the density limitations prescribed herein.

(Ord. 19-07 § 22, 2019; Ord. 04-1901 § 8, 2004; 1964 Code Appx. A § 3.04)

No building or structure erected in this zone shall have a height greater than two and one-half stories or 35 feet, whichever is less. (1964 Code Appx. A § 3.04)

The provisions of the R-1-7500 zone, CMC § 17.26.100 , shall apply. (1964 Code Appx. A § 3.04)

The yard provisions of the R-1-7500 zone, CMC § 17.26.110 through 17.26.150 , shall apply, except that each lot shall have a side yard on each side of not less than 10 feet. Other side yard provisions

in the R-1-7500 zone, CMC § 17.26.130(B) through (G) , shall apply. (1964 Code Appx. A § 3.04)

The provisions of Chapter 17.64 CMC shall apply. (Ord. 1679 § 13, 1988)