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Title 19 — Development Code›Chapter 19.80 — Noise Control

§ 19.94

Twentynine Palms Zoning Code · 2026-06 edition · updated 2026-07-25 · Twentynine Palms

19.94.010 - Purpose

This Chapter establishes requirements for the undergrounding of utilities both on-site and off-site.

19.94.020 - Applicability

The regulations contained in this Chapter shall apply to the construction, change or expansion of a use or structure and shall require that utilities are undergrounded in accordance with the requirements contained in this Chapter. The requirements of this Chapter shall apply to the following:

A.

New Uses and Buildings. For all buildings erected and all uses of land established after the effective date of this Title, utilities shall be undergrounded as required by this Chapter.

B.

Modification to Existing Structures and Uses. Whenever an existing building is modified or a use is expanded such that it creates an increase of more than 25 percent in the number of existing dwelling units for residential projects of more than 10 units, or more than 25 percent in the existing square footage of commercial or industrial projects where such expansion exceeds 10,000 square feet in size, utilities shall be undergrounded as required by this Chapter.

19.94.030 - Development Standards - Residential

Utilities shall be installed in accordance with the following standards for residential projects:

A.

Projects of More Than 10 Units. All utilities serving residential projects of more than 10 dwelling units shall install underground utilities both on-site and in the public right-of-way, including existing utilities.

B.

Projects of 10 Units or Less. All utilities serving residential projects of 10 dwelling units or less shall install underground utilities as follows:

1.

On-Site. All on-site utilities shall be installed underground.

2.

Public Rights-of-Way. All utilities in the public right-of-way, including existing utilities, shall be installed in a manner consistent with the existing surrounding improvements directly abutting the subject property.

19.94.040 - Development Standards - Commercial and Industrial

Utilities shall be installed in accordance with the following standards for all commercial and industrial projects:

A.

Projects of More Than 4 Acres. All utilities serving new commercial or industrial projects of more than 4 acres shall install underground utilities both on-site and in the public right-of-way, including existing utilities.

B.

Projects of 4 Acres or Less. All utilities serving new commercial or industrial projects of 4 acres or less shall install underground utilities as follows:

1.

On-Site. All on-site utilities shall be installed underground.

2.

Public Rights-of-Way. All utilities in the public right-of-way, including existing utilities, shall be installed in a manner consistent with the existing surrounding improvements directly abutting the subject property.

19.94.050 - Deferral of Undergrounding

A.

Applicability. A request for deferral shall apply only to the undergrounding of existing off-site overhead utilities.

B.

Request for Deferral. Request for a deferral of undergrounding utilities shall be made in writing to the City Manager.

C.

Approval Authority.

1.

For any project for which the Community Development Director is the designated approval authority, the City Manager shall have the discretion to either require the undergrounding of off-site utilities or defer such undergrounding, subject to the requirements of SubSection 19.94.050.D.

2.

For any project for which the Planning Commission or City Council is the designated approval authority, the applicable approval authority shall have the discretion to either require the undergrounding of off-site utilities or defer such undergrounding, subject to the requirements of SubSection 19.94.050.D.

D.

Findings for Approval and Requirements. Any approval for the deferral of utilities is subject to the following:

The request shall be supported by cost estimates prepared by a licensed professional and approved by the City Engineer. All cost estimates shall be provided by the applicant at the time of request.

2.

The cost of such undergrounding or the impact of such undergrounding on adjacent properties exceeds a reasonable cost based on the scale of the proposed project.

3.

The property owner shall be required to enter into a deferred improvement agreement committing the participation of the property in its fair share cost of such undergrounding at a future date.

4.

Undergrounding of utilities shall be in a manner consistent with the surrounding improvements directly abutting the subject property at the time that such undergrounding of utilities occurs.

Chapter 19.96 - Water Efficient Landscape

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▸ Contents — Twentynine Palms Zoning Code
Twentynine Palms Zoning Code
  1. ▸ Title 19 — Development Code
    Overview
    1. § 19.02
    2. § 19.020
    3. § 19.04
    4. § 19.06
    5. § 19.08
    6. § 19.10
    7. § 19.12
    8. § 19.14
    9. § 19.16
    10. § 19.18
    11. § 19.20
    12. § 19.22
    13. § 19.26
    14. § 19.28
    15. § 19.29
    16. § 19.30
    17. § 19.32
    18. § 19.34
    19. § 19.35
    20. § 19.36
    21. § 19.37
    22. § 19.38
    23. § 19.40
    24. § 19.41
    25. § 19.42
    26. § 19.43
    27. § 19.44
    28. § 19.46
    29. § 19.48
    30. § 19.50
    31. § 19.52
    32. § 19.54
    33. § 19.55
    34. § 19.56
    35. § 19.57
    36. § 19.58
    37. § 19.60
    38. § 19.62
    39. § 19.64
    40. § 19.66
    41. § 19.68
    42. § 19.69
    43. § 19.70
    44. § 19.72
    45. § 19.73
    46. § 19.74
    47. § 19.78
    48. ▸ Chapter 19.80 — Noise Control
      Overview
      1. § 19.82
      2. § 19.88
      3. 88.080 Freestanding Signs
      4. § 19.90
      5. § 19.92
      6. § 19.94
      7. § 19.96
      8. § 19.98
      9. § 19.100
      10. § 19.102
      11. § 19.104
      12. § 19.106
      13. § 19.108
      14. § 19.110
      15. § 19.112
      16. § 19.114
      17. § 19.116
      18. § 19.124
      19. § 19.128
      20. § 19.130
      21. § 19.132
      22. § 19.134
      23. § 19.136
      24. § 19.138
      25. § 19.140
      26. § 19.142
      27. § 19.144
      28. § 19.146
      29. § 19.147
      30. § 19.148
      31. Article 7 — Subdivision Regulations

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