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Earlier editions: 2026-09

Title 13 — WATER, SEWERS AND PUBLIC SERVICES

Napa County Municipal Code Ch. 13.60 Undergrounding of Utilities

Napa County Municipal Code · 2026-10 edition · updated 2026-10-04 · Napa County

Cite as: Napa County Municipal Code Chapter 13.60 · Text as of 2026-10-04

13.60.010 - Definitions.

Whenever in this chapter the words or phrases defined in this section are used, they shall have the respective meanings assigned to them.

"Commission" means the Public Utilities Commission of the state of California.

"Person" means and includes individuals, firms, corporations, partnerships and their agents and employees.

"Poles, overhead wires and associated overhead structures" means poles, towers, supports, wires, conductors, guys, stubs, platforms, crossarms, braces, transformers, insulators, cutouts, switches, communication circuits, appliances, attachments and appurtenances located aboveground within a district, and used or useful in supplying electric, communication or similar or associated service.

"Resolution" means a resolution adopted pursuant to Section 13.60.030.

"Underground utility district" or "district" means that area in the county within which poles, overhead wires and associated overhead structures are prohibited, as such area is described in a resolution adopted pursuant to the provisions of Section 13.60.030.

"Utility" means and includes all persons or entities supplying electric, communication or similar or associated service by means of electrical materials or devices.

(Prior code §§ 11800—11806)

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13.60.020 - Determination of necessity—Public hearing.

The board may from time to time call public hearings to ascertain whether the public necessity, health, safety or welfare requires the removal of poles, overhead wires and associated overhead structures within designated areas of the county, and the underground installation of wires and facilities for supplying electric, communication or similar or associated service. The county clerk shall notify all affected property owners as shown on the last equalized assessment roll and utilities concerned by mail of the time and place of such hearings at least ten days prior to the date thereof. Each such hearing shall be open to the public, and may be continued from time to time. At each such hearing, all persons interested shall be given an opportunity to be heard. The decision of the board shall be final and conclusive.

(Prior code § 11807)

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13.60.030 - Establishment—Conditions.

If, after any such public hearing, the board finds that the public necessity, health, safety or welfare requires such removal and such underground installation within a designated area, the board shall, by resolution, declare such designated area an underground utility district, and order such removal and underground installation. Such resolution shall include a description of the area comprising such district, and shall fix the time within which such removal and underground installation shall be accomplished and within which affected property owners must be ready to receive underground service. A reasonable time shall be allowed for such removal and underground installation, having due regard for the availability of labor, materials and equipment necessary for such removal, and for the installation of such underground facilities as may be occasioned thereby.

(Prior code § 11808)

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13.60.040 - Establishment—Notice requirements.

A. Within ten days after the effective date of a resolution, the county clerk shall notify all affected utilities and all persons owning real property within the district created by such resolution of the adoption thereof. The county clerk shall further notify such affected property owners of the necessity that, if they or any person occupying such property desire to continue to receive electric, communication or similar or associated service, they or such occupant shall provide all necessary facility changes on their premises so as to receive such service from the lines of the supplying utility or utilities at a new location, subject to applicable rules, regulations and tariffs of the respective utility or utilities on file with the Commission.

B. Notification by the county clerk shall be made by mailing a copy of the resolution, together with a copy of this chapter, to affected property owners as such are shown on the last equalized assessment roll, and to the affected utilities.

(Prior code § 11812)

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13.60.050 - Exceptions—Emergency service.

Notwithstanding the provisions of this chapter, overhead facilities may be installed and maintained for a period, not to exceed ten days, without authority of the board in order to provide emergency service. The board may grant special permission on such terms and for such duration as the board may deem appropriate, in cases of unusual circumstances, without discrimination as to any person or utility, to erect, construct, install, maintain, use or operate poles, overhead wires and associated overhead structures.

(Prior code § 11810)

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13.60.060 - Exceptions—Public and other facilities.

This chapter and any resolution shall, unless otherwise provided in such resolution, not apply to the following types of facilities:

A. Any municipal facilities or equipment installed under the supervision and to the satisfaction of the county engineer;

B. Poles or electroliers used exclusively for the lighting of streets or other public places;

C. Overhead wires, exclusive of supporting structures, crossing any portion of a district within which overhead wires have been prohibited, or connecting to buildings on the perimeter of a district, when such wires originate in an area from which poles, overhead wires and associated overhead structures are not prohibited;

D. Poles, overhead wires and associated overhead structures used for the transmission of electric energy at nominal voltages in excess of thirty-four thousand five hundred volts;

E. Overhead wires attached to the exterior surface of a building by means of a bracket or other fixture and extending from one location on the building to another location on the same building or to an adjacent building without crossing any public street;

F. Antennae, associated equipment and supporting structures used by a utility for furnishing communication services;

G. Equipment appurtenant to underground facilities, such as surface-mounted transformers, pedestal-mounted terminal boxes and meter cabinets, and concealed ducts;

H. Temporary poles, overhead wires and associated overhead structures used or to be used in conjunction with construction projects.

(Prior code § 11811)

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13.60.070 - Utility company responsibilities.

If underground construction is necessary to provide utility service within a district created by a resolution, the supplying utility shall furnish that portion of the conduits, conductors and associated equipment required to be furnished by it under its applicable rules, regulations and tariffs on file with the Commission.

(Prior code § 11813)

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13.60.080 - County responsibilities.

The county shall remove at its own expense all county-owned equipment from all poles required to be removed under this chapter in ample time to enable the owner or user of such poles to remove the same within the time specified in the resolution.

(Prior code § 11815)

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13.60.090 - Property owner responsibilities.

A. Every person owning, operating, leasing, occupying or renting a building or structure within the district shall perform construction and provide that portion of the service connection on his property between the facilities referred to in Section 13.60.070 and the termination facility on or within such building or structure being served, all in accordance with applicable rules, regulations and tariffs of the respective utility or utilities on file with the Commission. If the above is not accomplished by any person within the time provided for in the resolution, the county engineer shall give notice in writing to the person in possession of such premises, and a notice in writing to the owner thereof as shown on the last equalized assessment roll, to provide the required underground facilities within ten days after receipt of such notice.

B. The notice to provide the required underground facilities may be given either by personal service or by mail. In case of service by mail on either of such persons, the notice must be deposited in the United States mail in a sealed envelope with postage prepaid, addressed to the person in possession of such premises at such premises, and the notice must be addressed to the owner thereof as such owner's name appears, and must be addressed to such owner's last known address as the same appears on the last equalized assessment roll, and when no address appears, to general delivery in care of the city nearest the property in question within the county. If notice is given by mail, such notice shall be deemed to have been received by the person to whom it has been sent within forty-eight hours after the mailing thereof. If notice is given by mail to either the owner or occupant of such premises, the county engineer shall, within forty-eight hours after the mailing thereof, cause a copy thereof, printed on a card not less than eight inches by ten inches in size, to be posted in a conspicuous place on such premises.

C. The notice given by the county engineer to provide the required underground facilities shall particularly specify what work is required to be done, and shall state that if such work is not completed within thirty days after receipt of such notice, the county engineer will provide such required underground facilities, in which case the cost and expense thereof will be assessed against the property benefited and become a lien upon such property.

(Prior code § 11814 (a)—(c))

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13.60.100 - Extension of time to complete work.

In the event any act required by this chapter or by a resolution cannot be performed within the time provided, on account of shortage of materials, war, restraint by public authorities, strikes, labor disturbances, civil disobedience or any other circumstances beyond the control of the actor, then the time within which such act will be accomplished shall be extended for a period equivalent to the time of such limitation.

(Prior code § 11816)

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13.60.110 - Work performed by county when—Costs.

A. If, upon the expiration of the thirty-day period designated in Section 13.60.090, the required underground facilities have not been provided, the county engineer shall forthwith proceed to do the work; provided, however, if such premises are unoccupied and no electric or communications services are being furnished thereto, the county engineer shall, in lieu of providing the required underground facilities, have the authority to order the disconnection and removal of any and all overhead service wires and associated facilities supplying utility service to such property. Upon completion of the work by the county engineer, he shall file a written report with the county board, setting forth the fact that the required underground facilities have been provided and the cost thereof, together with a legal description of the property against which such cost is to be assessed. The board shall thereupon fix a time and place for hearing protests against the assessment of the cost of such work upon such premises, which time shall not be less than ten days thereafter.

B. The county engineer shall forthwith, upon the time for hearing such protests having been fixed, give a notice in writing to the person in possession of such premises, and a notice in writing thereof to the owner thereof, in the manner provided in this chapter for the giving of the notice to provide the required underground facilities, of the time and place that the board will pass upon such report and will hear protests against such assessment. Such notice shall also set forth the amount of the proposed assessment.

C. Upon the date and hour set for the hearing of protests, the board shall hear and consider the report and all protests, if there be any, and then proceed to affirm, modify or reject the assessment.

D. If any assessment is not paid within five days after its confirmation by the board, the amount of the assessment shall become a lien upon the property against which the assessment is made by the county engineer, and the county engineer is directed to turn over to the assessor and tax collector a notice of lien on each of the properties on which the assessment has not been paid, and the assessor and tax collector shall add the amount of the assessment to the next regular bill for taxes levied against the premises upon which the assessment was not paid. The assessment shall be due and payable at the same time as the property taxes are due and payable, and if not paid when due and payable, shall bear interest at the rate of six percent per year.

(Prior code § 11814 (d)—(g))

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13.60.120 - Unlawful activities designated—Exceptions.

Whenever the board creates an underground utility district and orders the removal of poles, overhead wires and associated overhead structures therein, as provided in Section 13.60.030, it is unlawful for any person or utility to erect, construct, place, keep, maintain, continue, employ or operate poles, overhead wires and associated overhead structures in the district after the date when such overhead facilities are required to be removed by such resolution, except as such overhead facilities may be required to furnish service to an owner or occupant of property prior to the performance by such owner or occupant of the underground work necessary for such owner to continue to receive utility service as provided in Sections 13.60.090 and 13.60.110, and for such reasonable time required to remove such facilities after the work has been performed, and except as otherwise provided in this chapter.

(Prior code § 11809)

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