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Perris · Building on your lot

Lot splits under SB 9 in Perris

Perris's own rules on lot splits under sb 9, with the code text for every value, and the state law underneath.

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

What Perris's code says

Perris code What Perris's code adds
How the lot may be divided
  • 2 lots of about equal area; neither may be less than 40% of the original lot.
    Applies: Urban lot split.
    § 19.30.050 · code text
    The urban lot split shall result in two lots of approximately equal lot area but in no case less than 40 percent of the lot area of the original lot.
Standards
  • Zoning standards are relaxed as needed to allow 2 units of at least 800 square feet.
    Applies: SB 9 housing development or a lot from an urban lot split.
    § 19.30.040 · code text
    In no case shall a development standard be imposed that would have the effect of physically precluding the construction of two units on either of the resulting parcels that would result in a dwelling unit size of less than 800 square feet.
  • At most 2 dwelling units.
    Applies: SB 9 housing development.
    § 19.30.040 · code text
    A maximum of two dwelling units may be provided.
  • At most 2 dwelling units on each new lot.
    Applies: Urban lot split.
    § 19.30.040 · code text
    A maximum of two dwelling units may be provided on each lot that results from an urban lot split.
  • No unit may be over 1 story or 16 feet high.
    Applies: Each unit in an SB 9 housing development.
    § 19.30.040 · code text
    Each dwelling unit within the development shall not exceed one story and a height of 16 feet.
  • It may stay but may not be made taller.
    Applies: An existing legal home over 1 story or 16 feet, before a second SB 9 unit is added.
    § 19.30.040 · code text
    A dwelling unit that was legally established prior to the addition of a second dwelling unit as part of a SB 9 housing development that exceeds one story or 16 feet in height may be retained but shall not be increased beyond said height.
  • Must match the existing home's materials, color and architectural style.
    Applies: Each proposed dwelling unit.
    § 19.30.040 · code text
    Each proposed dwelling unit shall match the existing dwelling unit in materials, color and architectural style.
  • Roof decks are not allowed.
    Applies: Units built under SB 9 or on a lot from an urban lot split.
    § 19.30.040 · code text
    Roof decks are prohibited.
  • Roof pitch and roof style must match the existing home.
    Applies: Each proposed SB 9 unit.
    § 19.30.040 · code text
    The roof pitch/slope and roof style (e.g., hip, gable, mansard, Dutch gable, flat, etc.) of the proposed dwelling unit must be the same as the existing dwelling.
  • Separate water, electric and sewer connections, or their equivalent.
    Applies: Each dwelling unit.
    § 19.30.040 · code text
    Each dwelling unit shall provide separate connections to public utilities (or their equivalent), including water, electric, and sewer services.
  • Units may not be rented for less than 31 days.
    Applies: Any unit permitted under SB 9 or an urban lot split.
    § 19.30.040 · code text
    Any dwelling unit permitted pursuant to an SB 9 housing development or urban lot split shall not be rented for periods of less than 31 days.
  • Vehicle and utility access to the public right-of-way.
    Applies: Each new lot; access may be through an easement.
    § 19.30.050 · code text
    Each newly created lot shall have and provide vehicle and utility access to the public right-of-way. Access may be provided through an easement.
  • Separate water meter and sewer connection; drainage to the street, alley or public storm drain.
    Applies: Each lot.
    § 19.30.050 · code text
    Each lot must be served by a separate water service meter and a separate sewer connection. In addition, each lot shall drain to the street, alley, or public storm drain.
Minimum new lot size
  • Each new lot must be at least 1,200 square feet.
    Applies: Urban lot split.
    § 19.30.050 · code text
    The urban lot split shall result in two lots with a minimum lot area of 1,200 square feet each.
Setbacks
  • At least 4 feet.
    Applies: Side and rear setbacks.
    § 19.30.040 · code text
    The side and rear setbacks shall be no less than four feet.
  • No increased setback is required.
    Applies: An existing legal structure, or a new unit built to the same dimensions as one.
    § 19.30.040 · code text
    No increased setback is required for an existing legally established structure or for a new dwelling unit that is constructed in the same dimensions as an existing legally established structure.
Owner occupancy
  • Owner signs an affidavit to live in one unit as a principal residence for at least 3 years from approval.
    Applies: Urban lot split, unless the applicant is a community land trust or qualified nonprofit corporation.
    § 19.30.050 · code text
    The owner of the lot proposed for an urban lot split shall comply with the requirements provided herein and sign an affidavit stating that the owner intends to occupy one of the housing units as their principal residence for a minimum of three years from the date of the approval of the urban lot split, unless the applicant is a community land trust, as defined in clause (ii) of subparagraph (C) of paragraph (11) of subdivision (a) of Section 402.1 of the Revenue and Taxation Code, or is a qualified nonprofit corporation as described in Section 214.15 of the Revenue and Taxation Code.
Parking
  • At least a 1-car enclosed garage.
    Applies: Each unit in an SB 9 development or urban lot split.
    § 19.30.040 · code text
    A minimum of one-car enclosed garage shall be provided for each unit within the SB 9 housing development or urban lot split
  • No parking required.
    Applies: Site within a half-mile walk of a high-quality transit corridor or major transit stop, or 1 block of car share.
    § 19.30.040 · code text
    The site is within one-half mile walking distance of a high-quality transit corridor;

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Can I split my lot under SB 9 in Perris?

Perris's code: 2 lots of about equal area; neither may be less than 40% of the original lot. (Urban lot split.) (§ 19.30.050); Zoning standards are relaxed as needed to allow 2 units of at least 800 square feet. (SB 9 housing development or a lot from an urban lot split.) (§ 19.30.040).

General information, not legal advice.

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