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Title 16

Chapter 16.48 — OSC OPEN SPACE AND CONSERVATION DISTRICT

Menlo Park Zoning Code · 2026-06 edition · updated 2026-07-06 · Menlo Park

§ 16.48.010. Purpose.

The purpose and intent of this district is:

  • (1) To protect the public health, safety and welfare;

  • (2) To protect and preserve open space land as a limited and valuable resource;

  • (3) To assure its continued availability for the following: As agricultural land, scenic land, recreation land, conservation or natural resource land; for the containment of urban sprawl and the structuring of urban development, and for the retention of land in its natural or near natural state to protect life and property in the community from the hazards of fire, flood and seismic activity; and

  • (4) To coordinate with and carry out federal, state, regional, county and city open space plans. (Ord. 541 § 1 (part), 1973)

§ 16.48.020. Definitions.

As used in this chapter and the implementation thereof, unless otherwise apparent from the context, the following definitions shall apply:

  • (1) "Conservation or natural resource" includes, but is not necessarily limited to, streams, watersheds, ground water recharge, soils, wildlife habitat, as defined herein, special land forms, natural vegetation;

  • (2) "Conservation or natural resource land" means land which possesses or encompasses conservation or natural resources;

  • (3) "Open space and conservation district" means any area of land or water designated "OSC" and subject to all of the terms and regulations of this chapter;

  • (4) "Open space land" means any parcel or area of land essentially unimproved or in its natural state, and devoted to an open space use as defined herein, and which is designated in the open space and conservation element for an open space use;

  • (5) "Open space use" means the use of land for:

    • (A)

    • Public recreation,

  • (B)

    • Enjoyment of scenic beauty,
  • (C)

    • Conservation or use of natural resources,
  • (D)

    • Managed resource production,
  • (E)

    - Public safety, 
    
    • (F) Structuring urban growth;
  • (6) "Recreation land" means any area of land or water susceptible to recreational uses;

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City of Menlo Park, CA

MENLO PARK CODE

§ 16.48.020

§ 16.48.050

  • (7) "Scenic land" means any area of land or water which possesses scenic qualities worthy of preservation;

  • (8) "Wildlife habitat" means any area of land or water valuable or necessary to the preservation or enhancement of wildlife resources.

  • (Ord. 541 § 1 (part), 1973)

§ 16.48.030. Permitted uses.

The only permitted use in the OSC zoning district is accessory structures. (Prior code § 30.421(A); Ord. 541 § 1 (part), 1973; Ord. 1006 § 16, 2014)

§ 16.48.040. Conditional uses.

Conditional uses which may be allowed in the OSC district subject to obtaining a use permit are as follows:

  • (1) Public or private recreation facilities;

  • (2) Public buildings;

  • (3) Salt evaporation ponds for salt extraction;

  • (4) Agricultural uses;

    • (A) Animal husbandry,

    • (B) Crop, vine or tree farm, greenhouse, horticulture,

    • (C) Dairying,

    • (D) Livestock farming;

  • (5) Botanical conservatories, outdoor nature laboratories and similar facilities;

  • (6) Native wildlife sanctuaries;

  • (7) Accessory buildings and accessory uses.

  • (Ord. 541 § 1 (part), 1973; Prior code § 30.421(B))

§ 16.48.050. Development regulations.

Development regulations in the OSC district are as specified in use permit. The total gross floor area of all buildings shall not exceed two and one-half (2.5) percent of the total lot area. (Prior code § 30.421(C); Ord. 541 § 1 (part), 1973; Ord. 863 § 17, 1994)

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City of Menlo Park, CA

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Contents — Menlo Park Zoning Code
Menlo Park Zoning Code
  1. Title 16
    Overview
    1. Chapter 16.20 — R-3 APARTMENT DISTRICT
    2. Chapter 16.22 — R-4 HIGH DENSITY RESIDENTIAL DISTRICT
    3. Chapter 16.28 — R-L-U RETIREMENT LIVING UNITS DISTRICT
    4. Chapter 16.37 — C-2-S NEIGHBORHOOD COMMERCIAL DISTRICT, SPECIAL
    5. Chapter 16.44 — LS LIFE SCIENCES DISTRICT
    6. Chapter 16.02 — GENERAL PROVISIONS
    7. Chapter 16.04 — DEFINITIONS
    8. Chapter 16.06 — ENFORCEMENT
    9. Chapter 16.08 — DISTRICTS ESTABLISHED—GENERAL REGULATIONS
    10. Chapter 16.10 — R-E RESIDENTIAL ESTATE DISTRICT
    11. Chapter 16.12 — R-E-S RESIDENTIAL ESTATE SUBURBAN DISTRICT
    12. Chapter 16.14 — R-1-S SINGLE-FAMILY SUBURBAN RESIDENTIAL DISTR…
    13. Chapter 16.15 — R-1-S (FG) SINGLE-FAMILY SUBURBAN RESIDENTIAL …
    14. Chapter 16.16 — R-1-U SINGLE FAMILY URBAN RESIDENTIAL DISTRICT
    15. Chapter 16.17 — R-1-U (LM) SINGLE FAMILY URBAN RESIDENTIAL DIS…
    16. Chapter 16.18 — R-2 LOW DENSITY APARTMENT DISTRICT
    17. Chapter 16.20 — R-3 APARTMENT DISTRICT
    18. Chapter 16.22 — R-4 HIGH DENSITY RESIDENTIAL DISTRICT
    19. Chapter 16.23
    20. Chapter 16.24 — R-3-A GARDEN APARTMENT RESIDENTIAL DISTRICT
    21. Chapter 16.26 — R-3-C APARTMENT—OFFICE DISTRICT
    22. Chapter 16.28 — R-L-U RETIREMENT LIVING UNITS DISTRICT
    23. Chapter 16.30
    24. Chapter 16.35
    25. Chapter 16.36 — C-1-C ADMINISTRATIVE, PROFESSIONAL AND RESEARC…
    26. Chapter 16.37
    27. Chapter 16.38 — C-2 NEIGHBORHOOD SHOPPING DISTRICT
    28. Chapter 16.40 — C-MU NEIGHBORHOOD MIXED USE DISTRICT
    29. Chapter 16.43 — O OFFICE DISTRICT
    30. Chapter 16.44 — LS LIFE SCIENCES DISTRICT
    31. Chapter 16.45 — R-MU RESIDENTIAL MIXED USE DISTRICT
    32. Chapter 16.46 — M-2 GENERAL INDUSTRIAL DISTRICT
    33. Chapter 16.47 — M-3 COMMERCIAL BUSINESS PARK
    34. Chapter 16.48 — OSC OPEN SPACE AND CONSERVATION DISTRICT
    35. Chapter 16.49 — P-F PUBLIC FACILITIES DISTRICT
    36. Chapter 16.50 — FP FLOOD PLAIN DISTRICT
    37. Chapter 16.52 — P PARKING DISTRICT
    38. Chapter 16.54 — H HISTORIC SITE DISTRICT
    39. Chapter 16.55 — AAGP ALLIED ARTS GUILD PRESERVATION DISTRICT
    40. Chapter 16.56 — X CONDITIONAL DEVELOPMENT DISTRICT
    41. Chapter 16.58 — SP-ECR/D EL CAMINO REAL/DOWNTOWN SPECIFIC PLAN
    42. Chapter 16.59 — LOTS
    43. Chapter 16.60 — ENCROACHMENTS AND BALCONIES
    44. Chapter 16.64 — FENCES, WALLS, TREES AND HEDGES[6 ]
    45. Chapter 16.65 — SOLAR ACCESS
    46. Chapter 16.66 — STREET IMPROVEMENTS AND DEDICATIONS
    47. Chapter 16.67 — DAYLIGHT PLANES[7 ]
    48. Chapter 16.68 — BUILDINGS
    49. Chapter 16.70 — SWIMMING POOLS
    50. Chapter 16.72 — OFF-STREET PARKING
    51. Chapter 16.74 — PARKING LOTS
    52. Chapter 16.76 — PUBLIC UTILITIES
    53. Chapter 16.77 — TWO (2) UNIT HOUSING DEVELOPMENTS
    54. Chapter 16.79 — ACCESSORY DWELLING UNITS[9 ]
    55. Chapter 16.80 — NONCONFORMING USES AND BUILDINGS
    56. Chapter 16.82 — PERMITS
    57. Chapter 16.83 — REASONABLE ACCOMMODATION
    58. Chapter 16.84 — PUBLIC HEARINGS
    59. Chapter 16.85 — NOTICES FOR SINGLE-FAMILY RESIDENTIAL DEVELOPM…
    60. Chapter 16.86 — APPEALS
    61. Chapter 16.88 — AMENDMENTS
    62. Chapter 16.90 — MAP—BOUNDARIES
    63. Chapter 16.92 — SIGNS—OUTDOOR ADVERTISING
    64. Chapter 16.93 — ANTENNAE
    65. Chapter 16.95 — RESIDENTIAL OVERLAY
    66. Chapter 16.96 — BELOW MARKET RATE HOUSING PROGRAM
    67. Chapter 16.97 — STATE DENSITY BONUS LAW
    68. Chapter 16.98 — AFFORDABLE HOUSING OVERLAY
    69. Chapter 16.99 — EMERGENCY SHELTER FOR THE HOMELESS OVERLAY

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