Skip to content

Title 8 — ZONING & DEVELOPMENT CODE

Chapter 8.332 — FENCES, HEDGES, WALLS, HEIGHT & EXCEPTIONS

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

8.332.010 - Fences, Walls, and Hedges.

Fences, walls and hedges shall be subject to the following regulations, except as provided in Section 8.332.020:

  • (a) Fences, walls, and hedges not exceeding four (4) feet in height may occupy any front yard area.

  • (b) Fences, walls, and hedges not exceeding six (6) feet in height may occupy any side or rear yard area, provided:

    1. That they do not extend into any required front yard.

    2. That, in the case of a corner lot, they do not extend into the side yard required along a side street or into that portion of the rear yard abutting such side street which is equal to the width of the side yard required on said side street.

  • (c) On any parcel of land having a street frontage of one hundred (100) feet or more, and located in any “S” District requiring a minimum building site of twenty thousand (20,000) square feet or more, fences, hedges, or walls not exceeding six (6) feet in height may be erected in any part of the yard area, except as limited by Paragraph (d).

  • (d) On any corner lot, the maximum height of fences, walls, hedges, and growth located within fifty (50) feet of the intersected street lines shall not exceed four (4) feet in height; provided that nothing in this section shall prevent any fence, wall, or hedge from occupying any portion of the lot area that a main residence may occupy under the terms of this Part.

  • (e) Where trees are located within fifty (50) feet on the intersected street lines, the main trunks of such trees shall be trimmed free of branches to a height of seven and a half (7.5) feet above the curb grade.

(Prior code § 6412, Para. (c); Amd.Ord. 1483, 10/10/1961)

(Prior code § 6412, Para. (a) – Amd. Ord. 2355 - March 9, 1976)

8.332.020 – Height Limits

With regard to the height limits set out in Section 8.332.010 whenever there exists an abrupt shift in the height of the land at the boundary line between two different property owners, the lower owner may erect

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

a fence, wall or hedge on the boundary to a height limit set out in Section 8.332.010 and in no event more than twelve (12) feet high.

(Section 6412.1 - Added by Ordinance No. 2355 - March 9, 1976)

8.332.030 – Luminous Sign Restrictions

No electric or luminous signs containing red or green colors shall be erected within one hundred fifty (150) feet of an intersection containing stop lights without securing a use permit as specified in Chapter 8.280 of this Ordinance Code.

8.332.040 – Fence Height Exceptions

On parcels located outside the Coastal Zone, the Director of Planning and Building may approve an exception to allow fences or hedges to exceed the height limits set forth in Section 8.332.010 by up to two (2) feet, providing that:

  • (1) Written notification of the exception request is sent to all owners of property located within 300 feet of the parcel where the fence or hedge is proposed to be placed, and to any member of the public requesting such notification, and

  • (2) Written notification of the exception request is sent to all recognized organizations or associations that have been established to represent the property owners in the neighborhood surrounding the parcel where the fence or hedge is proposed to be placed, and to any organization or association requesting such notification. An organization or association shall be considered recognized if it has been in existence for at least six months, and has scheduled meetings, and

  • (3) No member of public nor organization or association has submitted to the Director of Planning and Building written objection to the exception request, and

  • (4) After consultation with the Director of Public Works, the Director of Planning and Building finds that approving the exception will not jeopardize public safety, and

  • (5) After viewing the parcel where the fence or hedge is proposed, the Director of Planning and Building finds that approving the exception will be compatible with the neighbor-hood surrounding that parcel, and will not be detrimental to the public welfare, and

  • (6) The Director of Planning and Building finds that the proposed fence or hedge promotes or enhances good design, site relationships and other aesthetic considerations, in accordance with San Mateo County General Plan Policy 4.14. In order to make this determination, the Director of Planning and Building may condition the exception with certain requirements, including design, location, materials, colors, and landscaping requirements.

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

The Director of Planning and Building’s decision on an exception authorized by this section shall not require a public hearing. The Director of Planning and Building’s decision may be appealed to the Planning Commission, within 10 working days of the decision, accompanied by a fee, as set by resolution of the Board of Supervisors.

Appeal : Upon appeal, the Planning Commission, at a public hearing, shall review the Director of Planning and Building’s decision, and may approve an exception, providing all of the following findings can be made:

  • (1) Approving the exception will not jeopardize public safety, and

  • (2) Approving the exception will be compatible with the neighborhood surrounding the parcel where the fence or hedge would be placed and will not be detrimental to the public welfare, and

  • (3) The proposed fence or hedge promotes or enhances good design, site relationships and other aesthetic considerations, in accordance with San Mateo County General Plan Policy 4.14. In order to make this determination, the Planning Commission may condition the exception with certain requirements, including design, location, materials, colors and landscaping requirements.

The decision of the Planning Commission may be appealed to the Board of Supervisors. Appeals to the Board of Supervisors shall be subject to the same procedures and requirements as appeals to the Planning Commission.

Application : Application for the exception authorized by this section shall be made in writing on a form provided by the Planning and Building Division, and accompanied by a fee, as set by resolution of the Board of Supervisors. At minimum, the application shall include a site plan and elevation identifying the location, height, design, material and color of the proposed fence or hedge.

Notice of Administrative Decision : At least ten (10) days prior to the Director of Planning and Building acting on an exception request, written notice of the pending decision shall be sent by first class mail to all owners of property located within 300 feet of the parcel where the fence or hedge is proposed to be placed, and all recognized organizations or associations that have been established to represent the property owners in the neighborhood surrounding the parcel where the fence or hedge is proposed to be placed. Concurrently, written notice shall be prominently posted in the front yard of the parcel where the fence or hedge is proposed to be placed. Written notice shall contain at least the following information:

  • (1) The date and time when the decision will be made.

  • (2) The name of the property owner and applicant.

  • (3) The location of the property where the proposed exception would occur.

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

  • (4) A short, general description of the proposal, including the fence or hedge location, height, design, material and color.

  • (5) A statement that any written objection to the request must be received by the Planning and Building Division before the date and time when the decision will be made.

  • (6) The name and address of the staff person who may be contacted for additional information or to file an objection to the request.

Objection : Any objection to the proposed exception shall be received by the Director of Planning and Building in writing before the date and time when the decision will occur.

Notice of Hearing on Appeal : At least ten (10) days prior to the Planning Commission considering an exception request that is under appeal, written notice of the Planning Commission hearing shall be sent by first class mail to the same individuals and organizations who received notice before the Director of Planning and Building’s decision on the proposed exception. Written notice shall contain at least the following information:

  • (1) The date and time when the decision will be made.

  • (2) The name of the property owner and applicant.

  • (3) The location of the property where proposed exception would occur.

  • (4) A short, general description of the proposal.

  • (5) The name of the staff person who may be contacted for additional information.

(Prior Code § 6412, Para. (c); Amd. Ord.1483,10/10/1961)

(Prior Code § 6412, Para. (a); Amd. Ord 2355 - March 9, 1976)

(Prior Code § 6412.1; Ord. 2355 – 03/09/1976)

(Prior Code § 6412.2; Ord. 3891 – 03/16/1999)

(Prior Code § Amd. Ord. 4158, 02/25/2003)

Get a plain-English answer with a citation back to this text.

Ask AI about this code
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.

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.