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Title 17 — ZONING

§ 17.116

Riverside County Zoning Code · 2026-06 edition · updated 2026-07-25 · Riverside County

17.116.020 - Development standards.

Premises in the M-R-A zone shall be subject to the following development standards.

A.

Lot area: not less than five acres gross.

B.

Lot width: not less than two hundred (200) feet.

C.

Yards: front, rear and side, not less than fifty (50) feet for any use permitted except those uses permitted in section 17.116.010(A); provided further, however, that any structure exceeding fifty (50) feet in height shall have front, side and rear yard spaces equal to the height of the structure.

D.

Structure Height. No building or structure shall exceed fifty (50) feet in height, unless a greater height is approved pursuant to section 17.172.230. In no event, however, shall a exceed seventy-five (75) feet in height, or any other structure exceed one hundred five (105) feet in height, unless a variance is approved pursuant to Chapter 17.196.

E.

Off-Street Parking. Off-street parking shall be provided and improved as required in Chapter 17.188.

(Ord. 348.3990 §§ 15, 16, 2001; Ord. 348.2338, 1984; Ord. 348.2104, 1982; Ord. 348 § 12.61)

17.116.030 - Special development and performance standards.

Premises in the M-R-A zone used for any mining and quarry operations, and related manufacturing shall be subject to the following standards:

A.

Noise Suppression. All equipment and premises employed in conjunction with any of the uses permitted in the M-R-A zone shall be constructed, operated and maintained so as to suppress noise and vibrations which are or may be injurious to persons living on adjoining property.

B.

Roads and Driveways. All roads and driveways shall be kept wetted while being used or shall be treated with oil, asphaltic concrete or concrete, or other palliative to prevent the emission of dust.

C.

Access Roads. All private access roads leading off any paved public street onto property used for any purpose permitted in section 17.116.010(B) or (C) shall be paved to a minimum width of twenty-four (24)

feet with asphaltic concrete or equal, not less than three inches in thickness with adequate compacted base material for not less than the first one hundred (100) feet of the access road.

D.

Air and Water Pollution. All operations shall be conducted in compliance with the requirements of the Riverside County air pollution control district and the State Water Quality Control Board.

E.

Slopes of Excavations. No production from an open pit quarry shall be permitted which creates an average slope steeper than one foot horizontal to one foot vertical; provided, however, that a steeper slope may be permitted where the soil content or material is such that a vertical-cut excavation is safe in the opinion of the Division of Industrial Safety, Department of Industrial Relations of the state of California.

F.

Landscaping and Fencing. Excavation operations which are located at any time within five hundred (500) feet of at least ten (10) buildings or mobilehomes used or designed for dwelling purposes shall be screened to a height of at least six feet by either landscaping, berms, walls or solid fencing and the outer boundaries of the area being excavated shall be enclosed with a six foot high chain link fence, including all necessary gates, except where such a fence would be impracticable as in the bed or flood channel of a wash or watercourse.

G.

Hours of Operation. All uses shall confine operations on the property, other than maintenance, to the hours between six a.m. and ten p.m. of any day, except those operations that are located not less than three hundred (300) feet from the outer boundary of such property.

H.

Insurance. Before commencing operation in any quarry, the owner or operator shall show continuing evidence of insurance against liability in tort in the amount of three hundred thousand dollars ($300,000.00) arising from the production activities, or operations incident thereto, conducted or carried on under or by virtue of any law or ordinance. Such insurance shall be kept in full force and effect during the period of such operations.

I.

Ponding. Where practicable, all excavation operations shall be conducted in such a manner as to prevent unnecessary ponding or accumulation of storm or drainage water.

J.

Rehabilitation. All property partially or totally depleted of its mineral resources as a result of a use permitted by this chapter shall be rehabilitated in accordance with the mining reclamation plan which has been approved pursuant to the provisions of county Ordinance No. 555.

(Ord. 348.3780, 1996; Ord. 348.2104, 1982; Ord. 348.1588, 1977; Ord. 348.1481, 1975; Ord. 348.1201, 1973; Ord. 348.1023, 1972; Ord. 348.612, 1969; Ord. 348 § 12.62)

Chapter 17.120 - A-1 LIGHT AGRICULTURE ZONE

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▸ Contents — Riverside County Zoning Code
Riverside County Zoning Code
  1. ▸ Title 17 — ZONING
    Overview
    1. § 17.04
    2. § 17.08
    3. § 17.12
    4. § 17.16
    5. § 17.24
    6. § 17.32
    7. § 17.36
    8. § 17.40
    9. § 17.44
    10. § 17.48
    11. § 17.52
    12. § 17.60
    13. § 17.67
    14. § 17.68
    15. § 17.70
    16. § 17.72
    17. § 17.73
    18. § 17.76
    19. § 17.78
    20. § 17.79
    21. § 17.80
    22. § 17.82
    23. § 17.84
    24. § 17.88
    25. § 17.90
    26. § 17.92
    27. § 17.94
    28. § 17.96
    29. § 17.97
    30. § 17.100
    31. § 17.104
    32. § 17.105
    33. § 17.106
    34. § 17.107
    35. § 17.108
    36. § 17.109
    37. § 17.110
    38. § 17.111
    39. § 17.112
    40. § 17.113
    41. § 17.114
    42. § 17.115
    43. § 17.116
    44. § 17.120
    45. § 17.123
    46. § 17.124
    47. § 17.128
    48. § 17.132
    49. § 17.136
    50. § 17.140
    51. § 17.142
    52. § 17.144
    53. § 17.148
    54. § 17.152
    55. § 17.156
    56. § 17.160
    57. § 17.164
    58. § 17.168
    59. § 12.168
    60. § 17.172
    61. § 17.176
    62. § 17.180
    63. § 17.188
    64. § 17.192
    65. § 17.196
    66. § 17.200
    67. § 17.206
    68. § 17.208
    69. § 17.212
    70. § 17.216
    71. § 17.220
    72. § 17.224
    73. § 17.228
    74. § 17.232
    75. § 17.236
    76. § 17.240
    77. § 17.244
    78. § 17.248
    79. § 17.252
    80. § 17.254
    81. § 17.256
    82. § 17.260
    83. § 17.264
    84. § 17.268
    85. § 17.272
    86. § 17.276
    87. § 17.277
    88. Chapter 17.280 — AMENDMENTS AND CHANGE OF ZONE
    89. Chapter 17.291 — COTTAGE FOOD OPERATIONS
    90. Chapter 17.294 — ADDITIONAL RESIDENTIAL ACCOMMODATIONS[[25]]

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