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Article 49 — Accessory Dwelling Units and Junior Accessory Dwelling Units.

Sec. 49.08. - Height limit.

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

(a)

A one-story accessory dwelling unit shall not exceed a maximum height of 16 feet, except as follows:

a.

The department shall allow an additional two feet in height (up to eighteen feet) to accommodate a roof pitch on an accessory dwelling unit that is aligned with the roof pitch on the primary dwelling unit.

b.

A detached accessory dwelling unit on a lot with an existing or proposed single-family or multi-family dwelling unit that is within one-half mile walking distance of a major transit stop or a high-quality transit corridor shall not exceed a height of eighteen feet.

c.

A height of eighteen feet is also permitted for a detached accessory dwelling unit on a lot with an existing or proposed multifamily, multistory dwelling. A height of twenty-five feet applies to an accessory dwelling unit that is attached to a primary dwelling. This provision does not require the department to allow an accessory dwelling unit to exceed two stories.

(b)

A two-story accessory dwelling unit shall not exceed a maximum height of twenty-seven feet. No accessory dwelling unit shall exceed twenty-seven feet in height.

(c)

When an accessory dwelling unit is located above an existing or proposed garage, carport or other accessory structure, the entire combined structure shall not exceed twenty-seven feet in height. No accessory dwelling unit shall exceed twenty-seven feet in height.

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

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▸Contents — Colusa Zoning Code
Colusa Zoning Code
  1. Article 1 — Findings and Adoption of Zoning (District) Plan.
  2. Article 2 — Designation of Districts.
  3. Article 3 — Establishment of Districts.
  4. Article 4 — Definitions.
  5. Article 5 — R-1 Single Family Residence District—Regulations.
  6. Article 8 — R-4 General Apartment District—Regulations.
  7. Article 9 — C-N Neighborhood Business District—Regulations.
  8. Article 10 — C-G General Commercial District—Regulations.
  9. Article 11 — C-H Highway Service Commercial District— Regulati…
  10. Article 12 — M-1 Light Industrial District—Regulations.
  11. Article 13 — M-2 General Industrial District—Regulations.
  12. Article 14 — M-L Limited Manufacturing District—Regulations.
  13. Article 15 — P-D Planned Development District—Regulations.
  14. Article 16 — P-F Public Facilities District—Regulations.
  15. Article 17 — O-S Open Space District—Regulations.
  16. Article 18 — F-W Floodway District—Regulations.
  17. Article 19 — "A" Agricultural Combining Districts—Regulations.
  18. Article 20 — "B" Special Building Site Combining District— Reg…
  19. Article 21 — "CD" Special Civic District Combining District— R…
  20. Article 21.5 — Cannabis Regulations.
  21. Article 22 — "F" Special Highway Frontage Combining District— …
  22. Article 23 — "FP" Special Floodplain Combining District—
  23. Article 24 — "H" Special Height Combining District—Regulations.
  24. Article 25 — "P" Special Parking Combining District—Regulations.
  25. Article 26 — "O" Special Divided Ownership—Regulations.
  26. Article 27 — "A-O" Special Adult-Oriented Combining District— …
  27. Article 28 — Fire Zones.
  28. Article 29 — Off-Street Parking Requirements.
  29. Article 30 — Landmark and Historic Preservation.
  30. Article 31 — Outdoor Advertising and Sign Regulations.
  31. Article 33 — Use Permits.
  32. Article 34 — Variances.
  33. Article 35 — Nonconforming Uses.
  34. Article 36 — Amendments, Alterations, Changes in Districts.
  35. Article 37 — Enforcement, Legal Procedure, Penalties.
  36. Article 38 — Repealing.
  37. Article 39 — Floodplain Management.
  38. Article 40 — Dedication of Lands for Park and Recreational Pur…
  39. Article 41 — Density Bonus.
  40. Article 41.5 — By Right Housing Projects.
  41. Article 42 — High Density Housing Combining District.
  42. Article 43 — Reasonable Accommodations.
  43. Article 44 — "M-U-B" Bridge Street Mixed-Use District— Regulat…
  44. Article 45 — "M-U-D" Downtown Mixed Use District—Regulations.
  45. Article 46 — "M-U-M" Main Street Mixed Use District—Regulations.
  46. Article 47 — "M-U-R" Residential Mixed-Use District—Regulations.
  47. Article 48 — Mixed Use Districts Table.
  48. ▸Article 49 — Accessory Dwelling Units and Junior Accessory Dwe…
    Overview
    1. Sec. 49.01. - General requirements.
    2. Sec. 49.02. - Reserved.
    3. Sec. 49.03. - Permit requirements.
    4. Sec. 49.04. - Accessory dwelling units—Application and process…
    5. Sec. 49.05. - Utility connections and fees.
    6. Sec. 49.06. - Accessory development standards.
    7. Sec. 49.07. - Maximum floor area.
    8. Sec. 49.08. - Height limit.
    9. Sec. 49.09. - Lot coverage.
    10. Sec. 49.10. - Architectural objective.
    11. Sec. 49.12. - Parking.
    12. Sec. 49.13 - Standards for proposed accessory structures attac…
    13. Sec. 49.14. - General requirements.
    14. Sec. 49.15. - Reserved
    15. Sec. 49.16. - Permit requirements.
    16. Sec. 49.17. - Application and processing requirements.
    17. Sec. 49.18. - Utility connection fees.
    18. Sec. 49.19. - Development standards.
    19. Sec. 49.20. - Deed restrictions.

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