Skip to content

Title 16 — SUBDIVISIONS

Chapter 16.24 — SUBDIVISION IMPROVEMENT REQUIREMENTS

Corona Planning Code · 2026-07 edition · updated 2026-07-25 · Corona

16.24.010 Purpose.

The purpose of this chapter is to implement the improvement and security requirements for subdivisions allowed by the Subdivision Map Act.

(Ord. 3417 § 6, 2025.)

16.24.020 Required improvements.

The subdivider shall construct or agree to construct all improvements, both onsite and offsite, in subdivision that are required as a condition precedent to approval and acceptance of the final map. All improvements shall be constructed to the satisfaction of the City Engineer in accordance with standard engineering specifications of the city and other approved city standards. Subdivider shall submit improvement plans to the city for review and approval by the City Engineer that shall include the following as required by the conditions of approval for the subdivision:

(A) Grading, drainage, and erosion control, along with pertinent structures, including retaining walls, as are deemed necessary for proper uses in the subdivision, for the public safety and for prevention of sedimentation and damage to off-site property;

  • (B) Portland cement concrete curb, gutter, sidewalk, driveway and driveway approaches; street structural section; alley structural section with portland cement concrete gutter;

  • (C) Domestic water, including all master plan facilities;

  • (D) Relocation of existing waterlines to city standard plans and specifications;

  • (E) Replacement of all waterlines lying under streets or alleys to be constructed in the subdivision, and any waterline to be relocated as required in the preceding subsection, with new pipe constructed of ductile iron;

  • (F) Sanitary sewer facilities and connections for each lot where a mainline sewer is reasonably available. The facilities and connections shall be made available for each lot in such manner that will avoid the necessity for disturbing the street pavement, gutter, curb and sidewalk when service connections are made;

  • (G) Electric distribution facilities in accordance with the City Utilities Department standards and service requirements, if applicable;

  • (H) Connections to electric and telephone public utilities supplying service to the city;

  • (I) Street trees with irrigation systems meeting city standard plans and specifications;

  • (J) Street light system meeting city standard plans and specifications;

  • (K) Permanent subdivision survey monuments tied to suitable reference points. A complete record of monument locations shall be furnished to the City Engineer. Subdivision survey monuments shall include all corners and angle points on the perimeter of the subdivision and all streets, centerline intersections, lot corners, angle points and other points of control as required by the City Engineer;

  • (L) Fire protection facilities;

  • (M) Storm drain systems;

  • (N) Land to be dedicated for alleys, floodways, local transit facilities, and streets according to the major, collector, and secondary streets of the Circulation Element of the General Plan, and the city standard street sections for local streets;

  • (O) Land to be dedicated for trails in accordance with the Trails Master Plan or as required by a condition of approval of the subdivision;

(P) Improvements described in subsections (N) and (O) above as required by a condition of approval of the subdivision;

(Q) Temporary improvements required to be made prior to or concurrent with permanent improvements; and

(R) In addition to the improvement requirements required by this section, the Planning and Housing Commission may recommend and the City Council may require that subdivider construct additional improvements if the Planning and Housing Commission determines that the additional improvement is in the interest of the public health and safety and is necessary for the orderly development of the subdivision.

(Ord. 3417 § 6, 2025.)

16.24.030 Development impact fees.

The subdivider shall pay the applicable development impact fees in accordance with Chapter 16.23 of the Corona Municipal Code.

(Ord. 3417 § 6, 2025.)

16.24.040 Improvement agreement and financial security.

(A) Improvement agreement. The subdivider, as a condition precedent to the approval of the final map, shall enter into an improvement agreement and post financial security with the city for the construction of such improvements, and shall thereafter complete the improvements at the subdivider's expense within the time specified by the Director as set forth in the improvement agreement. The improvement agreement shall be in writing and shall be in a standard form approved by the Director and the City Attorney.

(B) Security amount. Subdivider shall provide financial security in the following amounts:

(1) 100% of the total estimated cost of the improvement or of the act to be performed, conditioned upon the faithful performance of such act or agreement;

(2) 50% of the total estimated cost of the improvement or of the act to be performed, securing payment for labor, materials and equipment;

(3) 25% of the total estimated cost of the improvement or of the act to be performed, guaranteeing the work against defective workmanship or materials for one year after acceptance; and

(4) 100% of the total estimated cost to set the subdivision survey monuments.

(C) Form of security. The form of security required by this section shall be one or a combination of the following, subject to the discretion of the City Engineer:

  • (1) Surety bond issued by one or more duly authorized corporate sureties;

(2) A cash deposit, either with the city or a responsible escrow agent or trust company, at the option of the City Engineer;

(3) Letter of credit, in a form approved by the City Engineer and the City Attorney, from one or more local financial institutions subject to regulation by the state or federal government;

  • (4) Any other form of security authorized by the Subdivision Map Act.

(D) Time to submit. The improvement agreement shall be complete, fully executed, and on file with the City Clerk before the final map or parcel map is accepted for approval.

(Ord. 3417 § 6, 2025.)

16.24.050 Subdivider payments to city for improvement materials.

The subdivider shall pay the city in advance for any materials which may be furnished to the subdivider by the city for the construction of improvements required by this chapter, and an amount equal to the estimated costs of engineering and inspection services to be furnished by the city to the subdivider for such materials. Subdivider shall pay any amount due to the city in excess of the deposit prior to acceptance of the improvement. City shall refund any excess of amounts provided by subdivider under this section that are not expended upon acceptance of the improvement.

(Ord. 3417 § 6, 2025.)

16.24.060 Fair share cost of construction of future improvement.

When the City Engineer has determined that the construction of an improvement otherwise required by this chapter or the conditions of approval for the subdivision is not warranted at the time of completion of the subdivision, the subdivider shall pay a fair share cost of the construction of the future improvement that is proportionate to the impacts of the subdivision related to the improvement, as determined by the City Engineer. (Ord. 3417 § 6, 2025.)

16.24.070 Release of financial security.

(A) Partial release. Upon application by the subdivider, the City Manager may release a portion of the security provided by subdivider for a portion of the improvements that have been accepted by the City Engineer as complete; provided that the security required by § 16.24.040(B)(3) shall not be released and in no case shall the security be reduced to an amount below the amount required by § 16.24.040(B)(l) and (2) for the improvements remaining to be completed under the improvement agreement.

(B) Full Release. Upon full completion of the improvements required by an improvement agreement and the City Engineer's acceptance thereof, the City Manager shall release the financial security as follows:

(1) Subject to § 16.24.070(B)(3), security given for the faithful performance of any act or improvement pursuant to § 16.24.040(B)(l) shall be released upon the performance of the act or final completion and acceptance of the required work or improvement by the City Engineer.

(2) Security given to guarantee payment for labor, materials and equipment pursuant to § 16.24.040(8)(2) shall, six months after final completion and acceptance of the improvement by the City Engineer, be reduced to an amount equal to the total claimed by all claimants for whom claims of lien have been recorded and notice thereof given to the city, plus an amount reasonably determined by the City Manager to be required to assure the performance of any other obligations secured by the security. If no claims of lien have been recorded, the security shall be released in full six months after final completion and acceptance of the improvement by the City Engineer.

(3) To guarantee and warrant the work or improvement for a period of one year pursuant to § 16.24.040(B)(3), the city shall retain 25% of the security given pursuant to § 16.24.040(B)(1) for the faithful performance of any act or improvement. Said security shall be released if no claims of defective work or improvement have been received or discovered by the city in that time period. In the event of defective work or improvement, the city shall retain the security until all work or improvement is considered satisfactory and is accepted as complete by the City Engineer.

(4) The security given for the survey monumentation pursuant to § 16.24.040(B)(4) shall be released following receipt of notice that the final monuments were set and evidence that the engineer or surveyor has been paid for the setting of the final monuments.

(Ord. 3417 § 6, 2025.)

16.24.080 City Manager authority.

(A) Improvement agreements. As permitted by Government Code § 66462(d), the City Manager is authorized to review and approve any improvement agreements between the city and a subdivider required by this chapter and to accept financial security provided by the subdivider that complies with the requirements of this chapter. The City Council shall periodically review this delegation of authority provided to the City Manager

** As permitted by Government Code § 66462(d), the City Manager is authorized to review and approve any improvement agreements between the city and a subdivider required by this chapter and to accept financial security provided by the subdivider that complies with the requirements of this chapter. The City Council shall periodically review this delegation of authority provided to the City Manager

(B) Release of security. As permitted by Government Code § 66499.7(j), the City Manager is authorized to reduce or release the security provided by a subdivider pursuant to the requirements of this chapter upon a determination that the provisions of § 16.24.070 have been satisfied.

(Ord. 3417 § 6, 2025.)

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

Ask AI about this code
Contents — Corona Planning Code

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.