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Sec. 49.13 - Standards for proposed accessory structures attached to an existing or…

Colusa County Zoning Code · 2026-06 edition · updated 2026-09-09 · Colusa County

(a)

A proposed accessory structure with a floor area less than fifty percent of the accessory dwelling unit floor area:

a.

Shall be processed ministerially in conjunction with the accessory dwelling unit.

b.

Shall comply with the lot coverage and setback requirements of this section.

(b)

A proposed accessory structure with a floor area that exceeds fifty percent of the total floor area of the accessory dwelling unit:

a.

Is subject to any discretionary review required by this zoning code.

b.

Shall comply with lot coverage, height, and setback requirements for an accessory structure in the applicable standard zoning district or the most similar standard zoning district.

Junior accessory dwelling unit.

The following provisions are intended to set standards, in compliance with California Government Code Section 65852.22, for the development of junior accessory dwelling units so as to increase the supply of smaller and affordable housing while ensuring that such housing remains compatible with the existing neighborhood. This section does not intend to override lawful use restrictions as set forth in conditions, covenants and restrictions.

(Ord. No. 568, 5-20-2025)

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▸Contents — Colusa County Zoning Code
Colusa County Zoning Code
  1. Sec. 1.01. - Findings.
  2. Sec. 1.02. - Adoption.
  3. Sec. 1.03. - Short title.
  4. Sec. 1.04. - Purpose of the plan.
  5. Sec. 1.05. - Effect of the plan.
  6. Sec. 1.06. - Application.
  7. Sec. 2.01. - Zoning districts.
  8. Sec. 2.02. - Special combining districts.
  9. Sec. 3.01. - Adoption of zoning map.
  10. Sec. 3.02. - Interpretation of zone boundaries.
  11. Sec. 3.03. - Amendments to zoning map.
  12. Sec. 5.01. - Regulations generally.
  13. Sec. 5.02. - Uses permitted.
  14. Sec. 5.03. - Uses requiring major use permits (planning commis…
  15. Sec. 5.04. - Uses requiring minor use permits (planning direct…
  16. Sec. 5.05. - Minimum height, bulk and space requirements.
  17. Sec. 6.01. - Regulations generally.
  18. Sec. 6.02. - Uses permitted.
  19. Sec. 6.03. - Uses requiring major use permits (planning commis…
  20. Sec. 6.04. - Uses requiring minor use permits (planning direct…
  21. Sec. 6.05. - Minimum height, bulk and space requirements.
  22. Sec. 7.01. - Regulations generally.
  23. Sec. 7.02. - Uses permitted.
  24. Sec. 7.03. - Uses requiring major use permits (planning commis…
  25. Sec. 7.04. - Uses requiring minor use permits (planning direct…
  26. Sec. 7.05. - Minimum height, bulk and space requirements
  27. Sec. 8.01. - Regulations generally.
  28. Sec. 8.02. - Uses permitted.
  29. Sec. 8.03. - Uses requiring a major use permit (planning commi…
  30. Sec. 8.04. - Uses requiring a minor use permit (planning direc…
  31. Sec. 8.05. - Minimum height, bulk and space requirements.
  32. Sec. 9.01. - Regulations generally.
  33. Sec. 9.02. - Uses permitted.
  34. Sec. 9.03. - Minimum height, bulk and space requirements.
  35. Sec. 10.01. - Regulations generally.
  36. Sec. 10.02. - Uses permitted.
  37. Sec. 10.03. - Minimum height, bulk and space requirements.
  38. Sec. 11.01. - Regulations generally.
  39. Sec. 11.02. - Uses permitted.
  40. Sec. 11.03. - Uses requiring use permits (major).
  41. Sec. 11.04. - Minimum height, bulk and space requirements.
  42. Sec. 12.01. - Regulations generally.
  43. Sec. 12.02. - Uses permitted.
  44. Sec. 12.03. - Minimum height, bulk and space requirements.
  45. Sec. 13.01. - Regulations generally.
  46. Sec. 13.02. - Uses permitted.
  47. Sec. 13.03. - Uses requiring use permits (major).
  48. Sec. 13.04. - Minimum height, bulk and space requirements.
  49. Sec. 14.01. - Purpose of the district.
  50. Sec. 14.02. - Regulations generally.
  51. Sec. 14.03. - Uses permitted.
  52. Sec. 14.04. - Minimum height, bulk and space requirements.
  53. Sec. 15.01. - Regulations generally.
  54. Sec. 15.02. - Available locations.
  55. Sec. 15.03. - Application for establishment.
  56. Sec. 15.04. - Uses Permitted.
  57. Sec. 15.05. - Building height limit.
  58. Sec. 15.06. - Building site area required.
  59. Sec. 15.07. - Front, side and rear yards and percentage of sit…
  60. Sec. 15.08. - Variances.
  61. Sec. 16.01. - Purpose of district.
  62. Sec. 16.02. - Regulations generally.
  63. Sec. 17.01. - Purpose of district.
  64. Sec. 17.02. - Regulations generally.
  65. Sec. 18.01. - Purpose of district.
  66. Sec. 18.02. - Regulations generally.
  67. Sec. 19.01. - Regulations generally.
  68. Sec. 19.02. - Uses permitted.
  69. Sec. 19.03. - Uses requiring use permit (major):
  70. Sec. 19.04. - Special yards and distances between buildings.
  71. Sec. 20.01. - Regulations generally.
  72. Sec. 20.02. - Special regulations.
  73. Sec. 21.01. - Regulations generally.
  74. § 21.5
  75. § 21.05
  76. Sec. 22.01. - Regulations generally.
  77. Sec. 22.02. - Special regulations.
  78. Sec. 23.01. - Regulations generally.
  79. Sec. 23.02. - Special provisions.
  80. Sec. 24.01. - Special height regulations.
  81. Sec. 25.01. - Regulations generally.
  82. Sec. 25.02. - Minimum parking and loading requirements.
  83. Sec. 25.03. - Location of spaces; execution of restrictions an…
  84. Sec. 25.04. - Loading space requirements.
  85. Sec. 26.01. - May be used in "R-2" district.
  86. Sec. 26.02. - Additional provisions.
  87. Sec. 27.01. - Purpose.
  88. Sec. 27.02. - Definitions.
  89. Sec. 27.03. - Special regulations.
  90. Sec. 27.04. - Amortization of nonconforming adult-oriented bus…
  91. Sec. 28.01. - Purpose.
  92. Sec. 28.02. - Fire zone two.
  93. Sec. 28.03. - Fire zone three.
  94. Sec. 28.04. - Zone subject to provisions of building code.
  95. Sec. 28.05. - Fire zone designations.
  96. Sec. 29.01. - Parking requirements.
  97. Sec. 29.02. - General conditions modifying minimum off-street …
  98. Sec. 29.03. - Off-street parking requirements for general serv…
  99. Sec. 29.04. - Minimum parking specifications.
  100. Sec. 30.01. - Purposes.
  101. Sec. 30.02. - Establishment; powers; duties.
  102. Sec. 30.03. - Definitions.
  103. Sec. 30.04. - Designation of landmarks and historic districts.
  104. Sec. 30.05. - Alterations or relocation affecting a designated…
  105. Sec. 30.06. - Demolition or removal affecting a designated his…
  106. Sec. 30.07. - Criteria for designation of historic districts, …
  107. Sec. 30-08. - Applicability and enforcement.
  108. Sec. 30.09. - Appeals procedure.
  109. Sec. 31.01. - Purpose and applicability.
  110. Sec. 31.02. - Permits and fees.
  111. Sec. 31.03. - Types of signs.
  112. Sec. 31.04. - Prohibited signs.
  113. Sec. 31.05. - Nonconforming signs.
  114. Sec. 32.01. - Applicability of article.
  115. Sec. 32.02. - Rules governing use of zoning map and symbols.
  116. Sec. 32.03. - Regulations are minimum.
  117. Sec. 32.04. - Relationship to other regulations and to private…
  118. Sec. 32.05. - Additional uses permitted.
  119. Sec. 32.06. - Building sites, areas and easements.
  120. Sec. 32.07. - Yards.
  121. Sec. 32.08. - Height exceptions.
  122. Sec. 32.09. - Exceptions—District agricultural association.
  123. Sec. 32.10. - Foundations and floor slabs of buildings in rela…
  124. Sec. 32.11. - Reserved.
  125. Sec. 33.01. - Major use permits.
  126. Sec. 33.02. - Minor or administrative use permits.
  127. Sec. 33.03 - Cannabis and cannabis dispensary special use perm…
  128. Sec. 34.01. - Variances.
  129. Sec. 35.01. - Continuation of existing nonconforming uses.
  130. Sec. 35.02. - Changes from one nonconforming use to another.
  131. Sec. 35.03. - Alteration, reconstruction, etc., of nonconformi…
  132. Sec. 35.04. - Nonconforming buildings destroyed by fire, etc.
  133. Sec. 35.05. - Nonconforming uses in subsequently changed or es…
  134. Sec. 36.01. - Generally.
  135. Sec. 37.01. - Issuance of licenses and permits to comply with …
  136. Sec. 37.02. - Enforcement of ordinance.
  137. Sec. 37.03. - Violations.
  138. Sec. 37.04. - Enforcement by legal proceedings.
  139. Sec. 37.05. - Remedies cumulative.
  140. Sec. 38.01. - Generally.
  141. Sec. 39.01. - Statutory authorization, findings of fact, purpo…
  142. Sec. 39.02. - Definitions.
  143. Sec. 39.03. - General provisions.
  144. Sec. 39.04. - Administration.
  145. Sec. 39.05. - Provisions for flood hazard reduction.
  146. Sec. 39.06. - Variance and appeals.
  147. Sec. 40.01. - Dedication of lands for park and recreational pu…
  148. Sec. 41.01. - Encouragement of affordable housing.
  149. Sec. 41.02. - Implementation.
  150. Sec. 41.03. - Eligibility for density bonus, incentives or con…
  151. Sec. 41.04. - Allowed incentives or concessions.
  152. Sec. 41.05. - Processing of bonus requests.
  153. Sec. 41.06. - Density bonus agreement.
  154. § 41.5
  155. Sec. 42.01. - Purpose.
  156. Sec. 42.02. - Uses permitted.
  157. Sec. 42.03. - Uses requiring major use permits (planning commi…
  158. Sec. 42.04. - Uses requiring minor use permits (planning direc…
  159. Sec. 42.05. - Special regulations.
  160. Sec. 43.01. - Purpose.
  161. Sec. 43.02. - Applicability.
  162. Sec. 43.03. - Application requirements.
  163. Sec. 43.04. - Review authority.
  164. Sec. 43.05. - Review procedure.
  165. Sec. 43.06. - Findings and decision.
  166. Sec. 43.07. - Appeal of determination.
  167. Sec. 44.01. - Purposes.
  168. Sec. 44.02. - Uses permitted.
  169. Sec. 44.03. - Minimum height, bulk, and space requirements.
  170. Sec. 44.04. - Indoor/outdoor operations.
  171. Sec. 44.05. - Floor-to-ceiling heights and floor area of groun…
  172. Sec. 44.06. - Floor area ratio.
  173. Sec. 44.07. - Transparency.
  174. Sec. 44.08. - Doors and entrances.
  175. Sec. 47.01. - Purposes.
  176. Sec. 47.02. - Uses permitted.
  177. Sec. 47.03. - Minimum height, bulk, and space requirements.
  178. Sec. 47.04. - Indoor/outdoor operations.
  179. Sec. 47.05. - Floor-to-ceiling heights and floor area of groun…
  180. Sec. 47.06. - Floor area ratio.
  181. Sec. 47.07. - Transparency.
  182. Sec. 47.08. - Doors and entrances.
  183. Sec. 49.01. - General requirements.
  184. Sec. 49.04. - Accessory dwelling units—Application and process…
  185. Sec. 49.05. - Utility connections and fees.
  186. Sec. 49.06. - Accessory development standards.
  187. Sec. 49.07. - Maximum floor area.
  188. Sec. 49.08. - Height limit.
  189. Sec. 49.09. - Lot coverage.
  190. Sec. 49.10. - Architectural objective.
  191. Sec. 49.11. - Number per lot.
  192. Sec. 49.12. - Parking.
  193. Sec. 49.13 - Standards for proposed accessory structures attac…
  194. Sec. 49.14. - General requirements.
  195. Sec. 49.17. - Application and processing requirements.
  196. Sec. 49.18. - Utility connection fees.
  197. Sec. 49.19. - Development standards.
  198. Sec. 49.20. - Deed restrictions.

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