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Title 20 — ZONING

Mill Valley Municipal Code · 2026-09 edition · updated 2026-10-02 · Mill Valley

Chapter 20.04 § 20.08.069.3. Demolition, involuntary. TITLE—PURPOSE AND § 20.08.069.4. Demolition, voluntary. INTERPRETATION § 20.08.070. Dwelling. § 20.08.080. Dwelling unit. § 20.04.010. Purpose of title. § 20.08.090. Effective lot area. § 20.04.020. Interpretation of title. § 20.08.091. Emergency shelter. § 20.04.030. Repeal and saving clause. § 20.08.091.1. Employee housing. § 20.04.032. Title and reference. § 20.08.091.2. Existing structure. § 20.04.036. Compliance with Zoning § 20.08.091.5. Family. Ordinance. § 20.08.092. Floor area ratio (FAR). § 20.04.040. Certificate of occupancy § 20.08.095. Gasoline service station. required. § 20.08.095.1. Grade, existing. § 20.04.042. Permit issued contrary to law is void. § 20.08.095.2. Grade, finished. § 20.04.044. Public utilities exempt. § 20.08.095.3. Grade, natural. § 20.04.046. Building permits during § 20.08.095.4. Gross floor area. rezoning proceedings. § 20.08.095.5. Household. § 20.04.050. Severability. § 20.08.096. Housekeeping unit. § 20.08.096.5. Kitchen. Chapter 20.08 § 20.08.097. Large family day care DEFINITIONS homes. § 20.08.110. Loading space—Off-street. § 20.08.010. Definitions generally. § 20.08.120. Lot. § 20.08.020. Accessory building or § 20.08.128. Low barrier navigation structure. center. § 20.08.030. Accessory use. § 20.08.130. Master streets and highways § 20.08.032. Adjusted floor area. plan. § 20.08.035. Automobile service station. § 20.08.131. Mature tree. § 20.08.038. Basement. § 20.08.133. Mixed-use. § 20.08.039. Breezeway. § 20.08.134. Multiple family dwelling. § 20.08.040. Building. § 20.08.134.1. New development. § 20.08.050. Building height. § 20.08.134.2. Nonconforming building or § 20.08.060. Building—Main or structure. principal. § 20.08.135.1. Nonconforming uses. § 20.08.065. Clustered or grouped single § 20.08.136. Nursing home. family housing development. § 20.08.140. Official plan line. § 20.08.066. Collector. § 20.08.149. Owner. § 20.08.068. Condominium. § 20.08.150. Parking area—Parking § 20.08.069. Condominium conversion. lot—Public or private. § 20.08.069.1. Cottage development. § 20.08.155. Parking, off-street parking § 20.08.069.2. Critical root zone. space(s) and vehicle storage.

§ 20.08.158. Parking space. § 20.14.030. Indoor cannabis cultivation.
§ 20.08.158.1. Remodel, major. § 20.14.040. Exceptions.
§ 20.08.158.2. Remodel, minor. § 20.14.050. Violation—Penalty.
§ 20.08.158.5. Rental, long-term.
§ 20.08.158.6. Rental, short-term. Chapter 20.16
§ 20.08.159. Residential facility. RS DISTRICTS
§ 20.08.160. Residential second unit.
§ 20.16.010. Scope of regulations. § 20.08.161. Roof surface.
§ 20.16.020. Permitted uses. § 20.08.161.5. Single room occupancy
§ 20.16.025. Building dwelling.
permit—Conditions for § 20.08.162. Solar access.
issuance.
§ 20.08.163. Solar easement.
§ 20.16.030. Conditional uses.
§ 20.08.164. Solar energy system.
§ 20.16.035. Large family day care
§ 20.08.165. Southroof. homes.
§ 20.08.166. Southwall. § 20.16.040. Property development
§ 20.08.170. Street. regulations.
§ 20.08.180. Street grade. § 20.16.050. Other regulations.
§ 20.08.185. Supportive housing.
§ 20.08.190. Swimming pool. Chapter 20.18
§ 20.08.191. Target population. R-P DISTRICTS
§ 20.08.192. Top floor.
§ 20.08.193. Transitional housing. § 20.18.010. Purpose.
§ 20.08.195. True south. § 20.18.020. Procedure for obtaining
planned development § 20.08.196. Useable outdoor living area.
approval.
§ 20.08.200. Yard.

20.18 — R-P DISTRICTS

§ 20.18.030. Division of property. § 20.18.040. Uses permitted without Chapter 20.12 planned development DISTRICTS GENERALLY approval. § 20.18.050. Uses permitted with planned § 20.12.010. Districts designated and development approval. named. § 20.18.060. Land capacity § 20.12.020. Location—Boundaries—Classifications determination. of districts. § 20.18.070. General development § 20.12.030. Determination of boundary criteria. discrepancies. § 20.18.080. RP districts—Master plan § 20.12.040. Annexed areas—How and approval. when classified. § 20.18.090. Precise development plan approval. Chapter 20.14 § 20.18.100. Special regulations. CANNABIS PROHIBITIONS AND REGULATIONS § 20.18.110. Application and fees.

§ 20.14.010. Definitions.
§ 20.14.020. Prohibited use.

Chapter 20.20 Chapter 20.30 PLANNED RESIDENTIAL DISTRICTS HOUSING OVERLAY ZONING DISTRICTS § 20.20.010. Purpose. § 20.20.020. Procedure for obtaining § 20.30.005. Purpose. planned development § 20.30.010. General applicability. approval. § 20.30.015. General standards and § 20.20.030. Division of property. requirements. § 20.20.040. Uses permitted without § 20.30.020. Development review and planned development approval procedures. approval. § 20.30.025. Small lot housing overlay § 20.20.050. Uses permitted with planned zoning district. development approval. § 20.30.030. Opportunity site housing § 20.20.060. Density designation. overlay zoning district. § 20.20.070. General development § 20.30.035. Office conversion housing criteria. overlay district. § 20.20.080. Master plan approval. § 20.20.090. Precise development plan Chapter 20.36 approval. C-L DISTRICTS—LIMITED § 20.20.100. Special regulations. COMMERCIAL DISTRICTS § 20.20.110. Application and fees.

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20.36 — C-L DISTRICTS—LIMITED COMMERCIAL DISTRICTS

§ 20.36.010. Purpose and intent. § 20.36.020. Permitted uses. Chapter 20.24 RM DISTRICTS—MULTIPLE FAMILY § 20.36.030. Conditional uses. § 20.36.040. Development standards. § 20.24.005. Purpose and intent. § 20.24.008. Applicability. Chapter 20.40 § 20.24.010. RM-3.5 permitted uses. C-G DISTRICTS—GENERAL COMMERCIAL DISTRICTS § 20.24.020. RM-3.5 conditional uses. § 20.24.030. Permitted and conditional

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20.40 — C-G DISTRICTS—GENERAL COMMERCIAL DISTRICTS

§ 20.40.010. Purpose and intent. uses. § 20.40.020. Permitted uses. § 20.24.040. Property development § 20.40.030. Conditionally permitted standards. uses. § 20.40.040. Prohibited uses. Chapter 20.26 DR DISTRICTS—DOWNTOWN § 20.40.050. Development standards. RESIDENTIAL § 20.40.051. Property development standards—Emergency § 20.26.005. Purpose and intent. shelters. § 20.26.010. Applicability. § 20.40.060. Shopping center signs—Use permit. § 20.26.020. Permitted uses. § 20.26.030. Property development standards.

Chapter 20.42 § 20.54.020. Powers and duties of
C-N DISTRICTS—NEIGHBORHOOD Planning Commission.
COMMERCIAL DISTRICTS § 20.54.030. H-O District regulations.

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20.42 — C-N DISTRICTS—NEIGHBORHOOD COMMERCIAL DISTRICTS

§ 20.42.010. Purpose and intent. Chapter 20.55 § 20.42.020. Permitted uses and C-F DISTRICTS—COMMUNITY regulations. FACILITIES DISTRICTS

Chapter 20.45 § 20.55.010. Scope of regulations.
C-D DISTRICTS—DOWNTOWN § 20.55.020. Uses permitted.
COMMERCIAL DISTRICTS § 20.55.025. Uses prohibited.

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20.55 — C-F DISTRICTS—COMMUNITY FACILITIES DISTRICTS

20.45 — C-D DISTRICTS—DOWNTOWN COMMERCIAL DISTRICTS

§ 20.45.010. Purpose and intent. § 20.55.040. Application of district. § 20.45.020. Permitted uses and regulations. Chapter 20.56 § 20.45.030. Ground floor office use in O-A DISTRICTS—OPEN AREA Downtown. DISTRICTS

Chapter 20.48 § 20.56.010. Scope of regulations.
PROPERTY DEVELOPMENT § 20.56.020. Permitted uses.
STANDARDS FOR MIXED-USE

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20.56 — O-A DISTRICTS—OPEN AREA DISTRICTS

§ 20.56.030. Conditional uses. DEVELOPMENT WITH RESIDENTIAL AND MULTI-FAMILY RESIDENTIAL IN § 20.56.040. Uses prohibited. COMMERCIAL DISTRICTS § 20.56.050. Design review. § 20.56.060. Application of district. § 20.48.010. Mixed-use and multi-family residential development Chapter 20.57 standards in commercial PLANNED DEVELOPMENT districts. COMBINING DISTRICT

Chapter 20.52 § 20.57.010. Combining
C-R DISTRICTS—COMMERCIAL district—Creation.
RECREATION DISTRICTS § 20.57.020. Permit required.
§ 20.57.030. Uses to comply with permit.
§ 20.52.010. Purpose. § 20.57.040. Permit conditions.
§ 20.52.020. Uses permitted. § 20.57.050. Permit—Application.
§ 20.52.030. Accessory uses. § 20.57.060. Submission of

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20.52 — C-R DISTRICTS—COMMERCIAL RECREATION DISTRICTS

§ 20.52.040. Signs. plan—Contents. § 20.52.050. Property development § 20.57.070. Planning Commission standards—Area size. action. § 20.57.080. When conditional use Chapter 20.54 permit or variance not H-O DISTRICTS — HISTORIC required. OVERLAY DISTRICTS § 20.57.090. Permit—When void. § 20.57.100. Permit—Revocation. § 20.54.010. H-O Overlay § 20.57.110. Appeals. District—Creation.

Chapter 20.58 § 20.60.075. Regulations for accessory
U DISTRICTS—UNCLASSIFIED building or structure.
DISTRICTS § 20.60.080. Garages—Carports—Lot
location regulated.
§ 20.58.010. Scope of regulations. § 20.60.090. Parking space and car

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20.58 — U DISTRICTS—UNCLASSIFIED DISTRICTS

§ 20.58.020. Conditional uses. storage. § 20.60.095. Payments in lieu of Chapter 20.59 providing off-street parking. CONDOMINIUM CONVERSIONS § 20.60.100. Loading space—Off-street parking. § 20.59.010. Purpose and intent. § 20.60.140. Nonconforming uses and § 20.59.020. Definitions. existing buildings. § 20.59.030. Chapter solely applicable to § 20.60.150. Renovations to residential condominium nonconforming buildings conversions of two or more and structures. units. § 20.60.160. (Reserved) § 20.59.040. Use permit required for § 20.60.170. Current construction condominium conversion. permits valid. § 20.59.050. Findings required for § 20.60.180. Planned unit development approval of use permit approval. authorizing condominium § 20.60.190. Existing lots of record, area conversion. required. § 20.59.060. Filing of an application. § 20.60.200. Notice of public hearing. § 20.59.070. Structural report. § 20.60.250. Home occupations. § 20.59.080. Condominium conversion § 20.60.300. Water conserving development standards. landscaping. § 20.59.090. Notice of intent to convert. § 20.59.100. Tenant's right to purchase. Chapter 20.62 § 20.59.110. Notices to tenants following ZONING ADMINISTRATOR map approval. § 20.59.120. Tenant assistance. § 20.62.010. Establishment of office. § 20.59.130. City notifications. § 20.62.020. Powers and duties. § 20.59.140. Compliance with other § 20.62.030. Conditioned approvals. regulations. § 20.62.040. Rules of procedures. § 20.62.050. Public hearings. Chapter 20.60 § 20.62.060. Appeals. GENERAL PROVISIONS AND EXCEPTIONS

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