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Chapter 26 — SUBDIVISIONS›Article X — DEDICATION AND IMPROVEMENT REQUIREMENTS

Solano County Municipal Code § 26-112 Improvements

Solano County Municipal Code · 2026-10 edition · updated 2026-10-22 · Solano County

Cite as: Solano County Municipal Code § 26-112 · Text as of 2026-10-22

Prior to recordation of a final map or parcel map, or at such earlier time as may be specified in this Article, the subdivider shall complete or shall enter into an improvement agreement to complete all of the improvements specified in Sections 26-112.2 through 26-112.12. The County shall be a party having the right to enforce the improvement agreement, provided that, if the improvement is to be dedicated or offered for dedication to an entity other than the County, such other entity may, at the discretion of the County Surveyor, be substituted for the County as a party to the improvement agreement. All such improvements shall be completed in accordance with any applicable provisions of the Solano County Improvement Standards and Specifications, this Article and Section 66411.1 of the Subdivision Map Act. Except as otherwise provided in this Chapter, grading and other improvements shall not begin with respect to a parent parcel for which a tentative map has been submitted pursuant to Section 26-61 until the tentative map has been approved and the County Engineer has approved the corresponding improvement plans.

(Ord. No. 1608, §2)

26-112.1 Roads

All road improvements and appurtenances including, but not limited to, sidewalks, curbs, gutters, structures, signs, fences, street lighting, and barricades within the subdivision shall be installed.

(Ord. No. 1608, §2)

Exceptions & meaning →

26-112.2 Drainage and erosion control

All improvements for drainage and erosion control required for the proposed subdivision, regardless of location, including improvements necessary to prevent sedimentation or damage to off-site property, shall be constructed.

(Ord. No. 1608, §2)

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26-112.3 Sewage and water

Except as otherwise provided in this Chapter, and except where fees or other consideration are received pursuant to this Chapter in lieu of such systems, sewage and permanent domestic water supply systems shall be installed in each proposed subdivision and connections thereto made from each lot within the subdivision.

(Ord. No. 1608, §2)

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26-112.4 Fire protection

As a part of the water supply system installed in the proposed subdivision, the subdivider shall install water mains, fire hydrants, gated connections and other fire protection facilities deemed necessary by the local fire protection district and the County Fire Marshall to provide adequate fire protection to the proposed subdivision.

(Ord. No. 1608, §2)

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26-112.5 Utilities

All utility facilities including, but not limited to, electric lines, communication lines, cable television lines, street lighting power supply lines and appurtenances thereto, may be required to be placed underground and when so required all utility facilities including service laterals shall be installed in the ground prior to the paving of roads. Where under grounding is required, the County Engineer may authorize installation of utility facilities after road improvements or if unusual circumstances so warrant. Even where under grounding is required, certain utility appurtenances including, but not limited to, transformers, pedestal-mounted terminal boxes and meter cabinets, and concealed ducts used in connection with underground facilities may be placed on the surface of the ground. All necessary arrangements for the installation of utilities shall be made with the operator of each utility system. At the time of approval of the tentative map, the Advisory Agency may consider the following in making a determination on under grounding utilities:

(a) Steep topography of all or part of the subdivision where the lines much are located;

(b) Soil types, which would make trenching difficult;

(c) The extent to which the facilities would be visible from public roads or other lots if they were not underground;

(d) The need for lines, which, due to the large size of the lots, would be unreasonably costly to underground;

(e) Other physical features, such as high groundwater table or large outcroppings of boulders along most of the feasible route, which would make trenching difficult; and

(f) General Plan policies, and Area and Specific Plans.

(Ord. No. 1608, §2)

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26-112.6 Road name and traffic signs

Road name signs shall be installed at all intersections within the subdivision. Traffic control devices and signs shall be installed at all locations within the subdivision specified by the County Engineer. All traffic control devices and signs shall conform to all applicable laws and regulations.

(Ord. No. 1608, §2)

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26-112.7 Barricades

Barricades shall be constructed at the ends of all roads abutting undeveloped property adjacent to the proposed subdivision.

(Ord. No. 1608, §2)

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26-112.8 Underground openings

All underground pipes and openings encountered during construction of any improvements in the subdivision shall be removed or sealed in a manner satisfactory to the County Engineer.

(Ord. No. 1608, §2)

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26-112.9 Water wells

All abandoned water wells within the proposed subdivision shall either be destroyed or be retained subject to compliance with the provisions of the Solano County Well Standards, Chapter 13.10 of the Solano County Code. All water wells that are not destroyed shall be shown on an additional map sheet of the final map or parcel map. Any improvements or deed restrictions that the County Engineer deems reasonably necessary to prevent injury to persons or property shall be constructed or recorded.

(Ord. No. 1608, §2)

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26-112.10 Oil/gas wells

All oil/gas wells, including abandoned wells, within the proposed subdivision shall be re-evaluated by the State Division of Oil and Gas. All wells which have been abandoned or which are required to be abandoned shall be abandoned in a manner approved by the Division of Oil and Gas and documentation verifying said abandonment shall be submitted. All wells, including abandoned wells, shall be delineated on an additional map sheet of the final map or parcel map. Any improvements or deed restrictions that the County Engineer deems reasonably necessary to prevent injury to persons or property shall be constructed or recorded.

(Ord. No. 1608, §2)

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26-112.11 Underground storage tanks

All underground storage tanks within the proposed subdivision shall be evaluated by the Solano County Department of Environmental Management. All underground storage tanks which have been abandoned or require closure shall be closed in a manner approved by the Department of Environmental Management. All underground storage tanks shall be delineated on a separate map sheet meeting the requirements of Section 26-103.13 of this ordinance.

(Ord. No. 1608, §2)

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26-112.12 Monuments

At all times of making the survey for the final map or parcel map, the engineer or surveyor shall set sufficient durable monuments to conform to the standards prescribed in Section 8771 of the Business and Professional code so that another engineer or surveyor may readily retrace the survey. All required monuments shall be set within a time specified by the County Surveyor, following filing of the final map or parcel map. Monuments and monumentation shall conform to Section 2 of the Solano County Road Improvement Standards and Land Division and Subdivision Requirements.

(Ord. No. 1608, §2)

Exceptions & meaning →

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