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Riverside County · Renting & eviction

Mobilehome park rent in Riverside County

Riverside County's own rules on mobilehome park rent, with the code text for every value.

Each rule below links to the section of the Riverside County Municipal Code it was read from, with the code text one click away (extracted October 2026). General information, not legal advice.

What Riverside County's code says

Riverside County code What Riverside County's code adds
Annual increase limit
  • The annual increase is 100 percent of the percentage adjustment in the CPI.
    § 5.36.090 · code text
    A park owner shall be entitled to one annual permissive adjustment of gross space rental income equal to one hundred (100) percent of the percentage adjustment in the CPI from the date of the most recent initial or annual adjustment to the date of application for the proposed adjustment.
Spaces covered
  • All mobilehome rental spaces in unincorporated Riverside County are covered, except spaces otherwise exempt under the chapter or by law.
    § 5.36.030 · code text
    The provisions of this chapter shall apply to all mobilehome residential rental spaces located within the unincorporated area of Riverside County except if otherwise exempt from the provisions of this chapter, as such exemptions are provided for hereinafter in this chapter and by law.
  • New spaces in parks built after January 1, 1990, or spaces first rented after January 1, 1990, are exempt.
    Applies: Applies to newly constructed spaces.
    § 5.36.050 · code text
    Space rent or space rent adjustments or new mobilehome spaces whether in parks constructed after January 1, 1990 or spaces rented out for the first time after January 1, 1990 shall be exempt from the provisions of this chapter.
  • Rental agreements longer than 12 months meeting Civil Code criteria are exempt from the space rent ceiling during the term.
    Applies: Applies to the term and uninterrupted, continuous extensions.
    § 5.36.050 · code text
    An rental agreement in excess of twelve-months duration which also meets all criteria specified by Section 798.15 and Section 798.17 of the California Civil Code, including, but not limited to, the tenant notification requirement within the first paragraph of such rental agreements, shall be exempt from the space rent ceiling provisions of this chapter, but only during the term of such rental agreement or any uninterrupted, continuous extensions thereof.
  • The chapter does not apply if two-thirds of affected mobilehomes approve in writing or in an election.
    Applies: Applies to tenant approval of the rent increase or other action.
    § 5.36.050 · code text
    This chapter does not apply if two-thirds of all mobilehomes affected by the rent increase or other action give their approval in writing as evidenced by the signature of one tenant for each space or in an election called to consider the matter with each space casting one vote.
How often rent can go up
  • Not more than once in any 12 months.
    Applies: Applies to the annual permissive adjustment, unless approved by the arbitrator or the board.
    § 5.36.090 · code text
    No annual adjustment shall become effective if a previous annual adjustment became effective within the previous twelve (12) months unless approved by arbitrator or the board.
Petitions and pass-throughs
  • Owners may petition the director for a space rent ceiling adjustment if the return is not just and reasonable.
    Applies: Applies to a net operating income hardship adjustment, after receiving the maximum permissive adjustment.
    § 5.36.090 · code text
    In the event a park owner believes he or she does not receive a just and reasonable return on park property after receiving the maximum permissive adjustment provided for above, the park owner may, upon payment of a filing amount as hereinafter provided, file a petition with the director for an adjustment of the space rent ceiling,
  • Owners may apply to the director for a rent increase based on a proposed or completed capital improvement's cost.
    Applies: Applies to capital improvements.
    § 5.36.090 · code text
    An application for a rent increase based on the cost of a proposed or completed capital improvement may be filed by the park owner with the director pursuant to this subsection.
  • Capital improvement rent increases include a return of 2 percent over the Bank of America prime rate on unamortized cost.
    Applies: Applies to a capital improvement rent increase.
    § 5.36.090 · code text
    In addition to the reasonable cost of the improvement(s) and the reasonable costs of financing, the rent increase shall include a return of two percent over the prime rate at Bank of America in effect at the time the rent increase is approved calculated annually on the unamortized cost improvement.
When a home is sold or vacated
  • The landlord may set the rental rate at an amount the landlord determines in the landlord's discretion.
    Applies: Applies to a space or mobilehome voluntarily vacated, abandoned, repossessed, or vacated under the Civil Code.
    § 5.36.050 · code text
    Subject to the exceptions in subdivisions 2 and 3 below, if the mobilehome space or mobilehome is: (a) voluntarily vacated, abandoned or repossessed; or (b) vacated pursuant to California Civil Code Sections 798.56 or 798.75 the landlord may adjust the rental rate to an amount as he or she in his or her discretion may determine.

Who this affects

TenantsLandlordsProperty managers

Frequently asked questions

Does Riverside County limit rent increases for mobilehome park spaces?

Riverside County's code: The annual increase is 100 percent of the percentage adjustment in the CPI. (§ 5.36.090); All mobilehome rental spaces in unincorporated Riverside County are covered, except spaces otherwise exempt under the chapter or by law. (§ 5.36.030).

General information, not legal advice.

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