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Sec. 32.10. - Foundations and floor slabs of buildings in relation to adjacent streets…

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

(a)

No residential building shall be constructed on any property within the City of Colusa with a foundation, the top of which is less than twelve inches above the curb of the street in front of said property. Where no curbs exist, the elevation that the top of the curb will have when curbs and gutters are installed in the future

shall be obtained from the city engineer and no building shall be constructed with a foundation, the top of which is less than twelve inches above said elevation.

(b)

In cases where slab floors are to be constructed as the foundation of a residential building, no residential building shall be constructed on any property within the City of Colusa with the top of said slab floor being less than seven inches above the top of the curb of the street in front of said property. When no curb exists then the elevation the top of the curb will have when curbs and gutters are installed in the future shall be obtained from the city engineer, and no slab floor shall be constructed the top of which is less than seven inches above said elevation. In the case of garages or carports that are to be entered from an alley, no garage or carport shall be constructed having a slab floor the top of which is less than three inches above the finish grade of the alley designated by the city engineer.

(c)

In cases where slab floors are to be constructed as the foundation of a commercial building, the elevation of the slab floor above the curb of the street in front of the property on which such commercial building is being constructed shall be an elevation determined by the following formula:

One-fourth inch of elevation above the curb for each foot of distance between the curb and the property line and one-eighth inch of elevation for each foot of distance between the property line and the edge of the slab floor. However, in no case shall the slab floor be constructed less than four inches above the top of the curb. Where no curbs exist, the location and the elevation the top of the curb will have when curbs and gutters are installed in the future shall be obtained from the city engineer, and such location and elevation shall be used to determine the elevation of the floor slab as herein provided.

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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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