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Title 8 — ZONING & DEVELOPMENT CODE

Chapter 8.452 — ENFORCEMENT, LEGAL PROCEDURES, PENALTIES.

San Mateo County Zoning Code · 2026-06 edition · updated 2026-07-25 · San Mateo County

8.452.010 - Duty of All Departments and employees of the County of San Mateo.

All departments, officials, and public employees of the County of San Mateo which are vested with the duty or authority to issue permits or licenses shall conform to the provisions of this Part and shall issue no permit or license for uses, buildings, or purposes where the same would be in conflict with the provisions of this Part, and any such permit or license, if issued in conflict with the provisions of this Part, shall be null and void.

8.452.020 – Enforcement, Duty of the Director of Planning and Building.

It shall be the duty of the Director of Planning and Building of the County of San Mateo to enforce the provisions of this Part pertaining to land use and the erection, construction, reconstruction, moving, conversion, alteration, or addition to any building or structure.

8.452.030 - Enforcement, Duty of the Director of Planning and Building and All County

Officers.

It shall be the duty of the Director of Planning and Building of the County of San Mateo and all officers of said County herein and/or otherwise charged by law with the enforcement of this Part to enforce this Part and all the provisions of the same.

San Mateo County, California, Code of Ordinances Title 8 – Zoning & Development Code

8.452.040 – Punishment of Violations

Violations of these Zoning Regulations shall be punishable pursuant to Chapter 1.40 ( Administrative Remedies ) of the San Mateo County Ordinance Code.

8.452.050 – Remedies.

The remedies provided for in this Part shall be cumulative and not exclusive.

(Prior code Sections 6591 and 6592 - Amended by Ordinance No. 2587 - May 15, 1979) (Prior code Section 6593 - Amended by Ordinance No. 04648 - January 8, 2013) (Prior code Section 6594 - Amended by Ordinance No. 2345 - January 20, 1976) (Prior code Section 6594 - Deleted by Ordinance No. 04648 - January 8, 2013)

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Contents — San Mateo County Zoning Code
San Mateo County Zoning Code
  1. Title 8 — ZONING & DEVELOPMENT CODE
    Overview
    1. Article 1 — ZONING DISTRICTS, OVERLAY, AND COMBINING DISTRICTS
    2. Chapter 8.04 — ZONING GENERAL PROVISIONS
    3. Chapter 8.08 — DISTRICTS
    4. Chapter 8.12 — RE, RESIDENTIAL ESTATES
    5. Chapter 8.16 — R1, ONE-FAMILY RESIDENTIAL DISTRICTS
    6. Chapter 8.20 — R1-CCP, COUNTRY CLUB PARK
    7. Chapter 8.24 — R2, TWO-FAMILY RESIDENTIAL DISTRICT
    8. Chapter 8.28 — R3, MULTIPLE-FAMILY RESIDENTIAL DISTRICT
    9. Chapter 8.32 — R3-A, AFFORDABLE HOUSING DISTRICT
    10. Chapter 8.34 — PUD, PLANNED UNIT DEVELOPMENT DISTRICT
    11. Chapter 8.36 — A1, AGRICULTURAL DISTRICT
    12. Chapter 8.40 — A2, EXCLUSIVE AGRICULTURE DISTRICTS
    13. Chapter 8.44 — A3, FLORICULTURAL DISTRICTS
    14. Chapter 8.48 — COSC, COMMUNITY OPEN SPACE CONSERVATION DISTRICT
    15. Chapter 8.52 — EG, EL GRANADA GATEWAY DISTRICT
    16. Chapter 8.56 — P, PARKING DISTRICT
    17. Chapter 8.60 — H1, LIMITED HIGHWAY FRONTAGE DISTRICT
    18. Chapter 8.64 — O, OFFICE DISTRICTS
    19. Chapter 8.68 — C1, NEIGHBORHOOD BUSINESS DISTRICTS
    20. Chapter 8.70 — C1/NFO DISTRICT, NEIGHBORHOOD BUSINESS DISTRICT…
    21. Chapter 8.72 — C1/WMP District (NEIGHBORHOOD COMMERCIAL/WEST M…
    22. Chapter 8.76 — C2, GENERAL COMMERCIAL DISTRICTS
    23. Chapter 8.78 — C2, GENERAL COMMERCIAL DISTRICTS NORTH FAIR OAKS
    24. Chapter 8.82 — CCR, (COASTSIDE COMMERCIAL RECREATION DISTRICT)
    25. Chapter 8.86 — M1 (LIGHT INDUSTRIAL DISTRICTS)
    26. Chapter 8.88 — M1/NFO DISTRICT (MIXED-USE INDUSTRIAL/NORTH FAI…
    27. Chapter 8.90 — M1/EDISON/NFO” DISTRICT (MIXED-USE INDUSTRIAL/E…
    28. Chapter 8.94 — M2, HEAVY INDUSTRIAL DISTRICTS
    29. Chapter 8.98 — W, WATERFRONT DISTRICT
    30. Chapter 8.102 — I/NFO, INSTITUTIONAL/NORTH FAIR OAKS DISTRICT
    31. Chapter 8.106 — PAD DISTRICT, PLANNED AGRICULTURAL DISTRICT
    32. Chapter 8.110 — RH, RESIDENTIAL HILLSIDE DISTRICT
    33. Chapter 8.114 — PC DISTRICT (PLANNED COLMA DISTRICT)
    34. Chapter 8.118 — CMU-1 DISTRICT (COMMERCIAL MIXED USE-1 DISTRIC…
    35. Chapter 8.122 — CMU-2 DISTRICT (COMMERCIAL MIXED USE-2 DISTRIC…
    36. Chapter 8.126 — CMU-3 DISTRICT (COMMERCIAL MIXED USE-3 DISTRIC…
    37. Chapter 8.130 — NMU DISTRICT (NEIGHBORHOOD MIXED-USE DISTRICT,…
    38. Chapter 8.132 — NMU-ECR DISTRICT (NEIGHBORHOOD MIXED USE DISTR…
    39. Chapter 8.134 — RM DISTRICT (RESOURCE MANAGEMENT DISTRICT)
    40. Chapter 8.138 — RM-CZ DISTRICT (RESOURCE MANAGEMENT DISTRICT- …
    41. Chapter 8.142 — TPZ, TIMBERLAND PRESERVE ZONE
    42. Chapter 8.146 — TPZ-CZ, TIMBERLAND PRESERVE ZONE, COASTAL ZONE
    43. Chapter 8.150 — “S” DISTRICTS 1 to 13 (COMBINING DISTRICTS 1-13)
    44. Chapter 8.154 — S17 DISTRICT (COMBINING DISTRICT, MIDCOAST)
    45. Chapter 8.158 — S50 DISTRICT (COMBINING DISTRICT, NORTH FAIR O…
    46. Chapter 8.162 — S71 DISTRICT (COMBINING DISTRICT, DEVONSHIRE)
    47. Chapter 8.166 — S72 DISTRICT (COMBINING DISTRICT, WEST MENLO P…
    48. Chapter 8.170 — S73 DISTRICT (COMBINING DISTRICT, NORTH FAIR O…
    49. Chapter 8.174 — S74 DISTRICT (COMBINING DISTRICT, SELBY NEIGHB…
    50. Chapter 8.178 — S75 DISTRICT (COMBINING DISTRICT, WEEKEND ACRES)
    51. Chapter 8.182 — S81 DISTRICT (COMBINING DISTRICT, SAN MATEO HI…
    52. Chapter 8.186 — S82 DISTRICT (COMBINING DISTRICT, WEST MENLO P…
    53. Chapter 8.190 — S83 DISTRICT (COMBINING DISTRICT, LOS TRANCOS …
    54. Chapter 8.194 — S90 DISTRICT (COMBINING DISTRICT, MENLO OAKS)
    55. Chapter 8.198 — S91 DISTRICT (COMBINING DISTRICT, PALOMAR PARK)
    56. Chapter 8.202 — S92 DISTRICT (COMBINING DISTRICT, WEST MENLO P…
    57. Chapter 8.204 — S93 DISTRICT (COMBINING DISTRICT, NORTH FAIR O…
    58. Chapter 8.212 — S95 DISTRICT (COMBINING DISTRICT, LADERA)
    59. Chapter 8.216 — S100 DISTRICT (COMBINING DISTRICT, MENLO OAKS)
    60. Chapter 8.220 — S101 DISTRICT (COMBINING DISTRICT, PALOMAR PARK)
    61. Chapter 8.224 — S102 DISTRICT (COMBINING DISTRICT, DEVONSHIRE)
    62. Chapter 8.228 — S104 DISTRICT (COMBINING DIESTRICT, LADERA)
    63. Chapter 8.232 — S105 DISTRICT (COMBINING DISTRICT, MIDCOAST)
    64. Chapter 8.236 — S106 DISTRICT (COMBINING DISTRICT, LADERA)
    65. Chapter 8.240 — S108 DISTRICT (COMBINING DISTRICT, LOS TRANCOS…
    66. Chapter 8.244 — S110 DISTRICT (COMBINING DISTRICT, LADERA)
    67. Chapter 8.248 — AO DISTRICT (AIRPORT OVERLAY DISTRICT)
    68. Chapter 8.252 — CD DISTRICT (COASTAL DEVELOPMENT DISTRICT)
    69. Chapter 8.256 — DR DISTRICTS (DESIGN REVIEW DISTRICTS)
    70. Chapter 8.260 — MH DISTRICTS (MOBILE HOME PARKS)
    71. Chapter 8.264 — GH DISTRICT (GEOLOGIC HAZARDS DISTRICT REGULAT…
    72. Chapter 8.272 — E DISTRICT (ENTERTAINMENT OVERLAY DISTRICT)
    73. Chapter 8.276 — APPROVED SS & PUD DISTRICT REGULATIONS (SPECIA…
    74. Chapter 8.280 — USE PERMITS.
    75. Chapter 8.284 — LEGAL LOT REQUIREMENT, ZONING & BUILDING VIOLA…
    76. Chapter 8.288 — MAJOR DEVELOPMENT PRE-APPLICATION PROCEDURES.
    77. Chapter 8.292 — RM DEVELOPMENT REVIEW CRITERIA
    78. Chapter 8.294 — RM-CZ DEVELOPMENT REVIEW CRITERIA
    79. Chapter 8.296 — DEVELOPMENT REVIEW PROCEDURE
    80. Chapter 8.300 — FLOOD HAZARD AREAS
    81. Chapter 8.304 — ARCHITECTURAL SUPERVISION
    82. Chapter 8.308 — NORTH FAIR OAKS DESIGN REVIEW AND SITE DEVELOP…
    83. Chapter 8.312 — ZONING, REZONING, LAND DIVISION, IN THE TIMBER…
    84. Chapter 8.314 — LAND MANAGEMENT PLANNING REQUIREMENTS FOR USES…
    85. Chapter 8.316 — ZONING, REZONING, LAND DIVISION IN THE TIMBERL…
    86. Chapter 8.318 — LAND MANAGEMENT PLANNING REQUIREMENTS FOR USES…
    87. Chapter 8.320 — VARIANCES AND HOME IMPROVEMENT EXCEPTIONS
    88. Chapter 8.324 — ACCESSORY USES PERMITTED IN ANY “R” DISTRICT.
    89. Chapter 8.328 — STANDARDS FOR INDUSTRIAL USES IN THE C-1,C-2,M…
    90. Chapter 8.332 — FENCES, HEDGES, WALLS, HEIGHT & EXCEPTIONS
    91. Chapter 8.336 — HEIGHT: GENERAL PROVISIONS AND EXCEPTIONS.
    92. Chapter 8.340 — YARDS: GENERAL PROVISIONS AND EXCEPTIONS
    93. Chapter 8.344 — OFF-STREET PARKING STANDARDS
    94. Chapter 8.348 — ACCESSORY BUILDINGS
    95. Chapter 8.352 — SPECIAL SETBACK LINES
    96. Chapter 8.356 — HEIGHT OF STRUCTURES AND USES OF AIRSPACE NEAR…
    97. Chapter 8.358 — HEIGHT OF STRUCTURES AND USE AIRSPACE NEAR SAN…
    98. Chapter 8.360 — DEVELOPMENT ON LANDS CONTIGUOUS TO RM, RM-CZ, …
    99. Chapter 8.364 — ROAD IMPROVEMENT REQUIREMENTS IN THE SKYLINE A…
    100. Chapter 8.368 — SHORT-TERM RENTALS (COASTAL ZONE)
    101. Chapter 8.372 — CHILD CARE CENTERS
    102. Chapter 8.376 — WIRELESS TELECOMMUNICATION FACILITIES
    103. Chapter 8.380 — KEEPING OF ANIMALS & DOMESTIC POULTRY IN
    104. Chapter 8.384 — CONFINED ANIMAL REGULATIONS
    105. Chapter 8.388 — ZONING NONCONFORMITIES
    106. Chapter 8.392 — ACCESSORY DWELLING UNITS
    107. Chapter 8.396 — ACCESSORY DWELLING UNITS, COASTAL ZONE
    108. Chapter 8.400 — SIGNIFICANT TREE REGULATIONS
    109. Chapter 8.404 — HERITAGE TREE REGULATIONS
    110. Chapter 8.408 — REGULATION OF TIMBER HARVESTING
    111. Chapter 8.412 — TOPSOIL SITE REGULATIONS
    112. Chapter 8.416 — SURFACE MINING AND RECLAMATION
    113. Chapter 8.420 — QUARRIES
    114. Chapter 8.424 — OIL AND GAS WELL REGULATIONS
    115. Chapter 8.428 — HISTORIC PRESERVATION PERMITS AND PROCEDURES.
    116. Chapter 8.432 — INCLUSIONARY REQUIREMENTS FOR AFFORDABLE HOUSING
    117. Chapter 8.436 — DENSITY BONUS
    118. Chapter 8.440 — ESTABLISHMENT OF FEES
    119. Chapter 8.444 — AMENDMENTS
    120. Chapter 8.448 — FORM OF PETITION, APPLICATIONS, AND APPEALS.
    121. Chapter 8.452 — ENFORCEMENT, LEGAL PROCEDURES, PENALTIES.

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