Pasco City Zoning Code
25.30 R-S-20
Suburban District
25.30.010 Purpose.
The R-S-20 suburban district is established to provide a low-density residential environment permitting a gross density of two to five dwelling units per acre, as set forth in the Comprehensive Plan land use density table in PMC 25.215.015. Lands within this district shall, unless specifically allowed herein, contain suburban residential development with large lots and expansive yards. Structures in this district are limited to single-family dwellings and customary accessory structures. Certain public facilities and institutions may also be permitted, provided their nature and location are not detrimental to the intended suburban residential environment. [Ord. 4575 § 5, 2022; Ord. 3354 § 2, 1999; Code 1970 § 25.22.010.]
25.30.020 Permitted uses.
The following uses shall be permitted in the R-S-20 suburban district:
(1) Single-family dwellings; and
(2) New factory-assembled homes.
(3) Nothing contained in this section shall be deemed to prohibit the use of vacant property for gardening or fruit raising. [Ord. 4575 § 5, 2022; Ord. 3731 § 3, 2005; Ord. 3354 § 2, 1999; Code 1970 § 25.22.020.]
25.30.030 Permitted accessory uses.
The following uses shall be permitted as accessory to a permitted use in the R-S-20 suburban district:
(1) Detached residential garages as defined in PMC 25.15.090, provided they do not exceed the height of 18 feet and are no larger than 1,600 square feet in area. For each additional 20,000 square feet of lot area, the gross floor area of detached shops and garages can be increased by 400 square feet. A greater height may be approved by special permit based upon the review criteria listed in PMC 25.200.080 and 25.200.090;
(2) Home occupations as defined in PMC 25.15.100;
(3) Storage buildings cumulatively not exceeding 480 square feet of gross floor area and 15 feet in height; provided no container storage, as defined in PMC 25.15.210, shall be permitted. For each additional 20,000 square feet of lot area, the gross floor area of storage sheds can be increased by 400 square feet;
(4) Agricultural uses (limited), as defined in PMC 25.15.030 (except that the keeping of animals shall be permitted on parcels consisting of 10,000 square feet over and above an area equal in size to 12,000 square feet set aside for the dwelling on the parcel);
(5) One animal unit (as defined in PMC 25.15.030) shall be allowed for each full 10,000-square-foot increment of land over and above an area equal in size to 12,000 square feet set aside for the dwelling on the same parcel, provided all barns, barnyards, chicken houses, or corrals shall be located not less than 25 feet from a public roadway and not less than 10 feet from any adjoining property held under separate ownership; and provided, that said number of chickens, fowl or rabbits does not exceed two animal units;
(6) The keeping of dogs and cats, provided such number of animals does not exceed three dogs and three cats;
(7) Family day care home in conformance with Chapter 388-73 WAC as now existing and as amended and Chapter 25.150 PMC;
(8) Accessory dwelling units;
(9) Family home preschool in conformance with Chapter 25.150 PMC; and
(10) For lots with a minimum of 5,000 square feet but less than 22,000 square feet the keeping of dogs, cats, rabbits, and chicken hens, provided such number of animals does not exceed three dogs and/or three cats, and/or three rabbits and/or three chicken hens, the total number of animals not to exceed six; in all cases, animals shall not be allowed to roam or fly to other properties; roosters are not allowed. Structures related to rabbits and/or chicken hens, such as rabbit hutches and/or chicken coops, must be at least 10 feet from any property line, may not exceed six feet in height and 30 square feet in size, and must be located behind the rear line of the dwelling. Property owners shall not allow such structures to become a nuisance due to noise or odor. [Ord. 4575 § 5, 2022; Ord. 4144 § 1, 2014; Ord. 4110 § 8, 2013; Ord. 4036 § 2, 2011; Ord. 3688 § 1, 2004; Ord. 3354 § 2, 1999; Code 1970 § 25.22.030.]
25.30.040 Conditional uses.
In addition to the unclassified uses listed in Chapter 25.200 PMC, the following uses may be permitted by special permit as provided in Chapter 25.200 PMC:
(1) Churches and similar places of worship;
(2) Public libraries and municipal office buildings;
(3) Public and private schools, public parks and playgrounds;
(4) Fire department station houses;
(5) Day-care centers and preschool centers;
(6) Agricultural use (commercial);
(7) Buildings in conjunction with an agricultural use (limited), provided the parcel contains at least five acres and the building will not be used for the conduct or support of any business activity; and
(8) Unclassified uses as listed in PMC 25.200.020. [Ord. 4575 § 5, 2022; Ord. 4110 § 8, 2013; Ord. 3667 § 1, 2004; Ord. 3354 § 2, 1999; Code 1970 § 25.22.040.]
25.30.050 Development standards.
(1) Minimum lot area: 20,000 square feet.
(2) Density: One dwelling unit per lot, except as provided in PMC 25.30.030(8).
(3) Maximum lot coverage: 40 percent.
(4) Minimum Yard Setbacks.
(a) Front: 25 feet.
(b) Side: 10 feet.
(c) Rear. Principal building: 25 feet.
Accessory buildings: Accessory buildings adjacent an alley may be placed on the alley line, provided there are no openings in the wall adjacent to the alley. Garages with vehicle doors adjacent to an alley shall be set back from the alley 20 feet. Where there is no alley, the setback shall be 10 feet.
(5) Maximum Building Height.
(a) Principal building: 35 feet, except a greater height may be approved by special permit.
(b) Accessory buildings: 15 feet.
(6) Fences and hedges: See Chapter 25.180 PMC.
(7) Parking: See Chapter 25.185 PMC.
(8) Landscaping: See Chapter 25.180 PMC.
(9) Residential design standards: See PMC 25.165.100. [Ord. 4575 § 5, 2022; Ord. 4110 § 8, 2013; Ord. 3731 § 4, 2005; Ord. 3354 § 2, 1999; Code 1970 § 25.22.050.]