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Mission Viejo · Building on your lot

Signs on homes in Mission Viejo

Mission Viejo's own rules on signs on homes, with the code text for every value.

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

What Mission Viejo's code says

Mission Viejo code What Mission Viejo's code adds
Election and other noncommercial signs
  • Up to 4 feet wide, 4 feet high and 4 square feet in total, including post; no sign permit needed.
    Applies: Noncommercial sign on a residential site, on property the owner or occupant owns or controls.
    § 9.29.320 · code text
    The owner or occupant of any site dedicated to residential purposes may erect noncommercial signage on property under his or her ownership or control provided that no sign shall exceed a maximum width of four feet, a maximum height of four feet, or a total of four square feet, including the post or other stand, if any.
  • Up to 15 square feet in total, unless the director approves more for the event.
    Applies: Temporary noncommercial signs for civic, nonprofit or special events; unlit; written approval needed to place one on another person's property.
    § 9.29.315 · code text
    Temporary signs shall not exceed a total area of 15 square feet unless otherwise approved for the event by the director.
  • Remove within 3 days after the event or election.
    Applies: Temporary noncommercial signs.
    § 9.29.315 · code text
    Temporary signs shall not be posted more than 30 days before the event to which they relate, except for political signs expressing a message relating to an election, and shall be removed within three days after said event or election.
Signs that need no permit
  • On-site residential real estate signs, including window signs, need no sign permit if they follow the listed rules.
    Applies: Advertising the sale, lease or rent of the property.
    § 9.29.225 · code text
    On-site residential real estate signs, including window signs, advertising the sale, lease, or rent of the property shall be permitted subject to the following:
  • Off-site open house directional signs need no sign permit if they follow the listed rules.
    § 9.29.225 · code text
    Off-site open house directional signs shall be permitted subject to the following:
  • Trespassing or no solicitation signs under 2 square feet need no permit.
    § 9.29.320 · code text
    Trespassing or no solicitation signs less than two square feet in area.
For-sale and open-house signs
  • Up to 4 square feet and 4 feet high; colonial signs allowed for single-family detached homes.
    Applies: On-site residential real estate signs.
    § 9.29.225 · code text
    Signs shall not exceed four square feet in area, and a height of four feet, with the exception of single-family detached residences where colonial signs shall be permitted.
  • Remove within 24 hours after close of escrow, lease or rent.
    Applies: On-site residential real estate signs.
    § 9.29.225 · code text
    Signs shall be removed within 24 hours after close of escrow, lease, or rent.
  • 1 sign per available lease space or residential unit.
    Applies: On-site residential real estate signs.
    § 9.29.225 · code text
    Only one sign per available lease space or residential unit shall be permitted.
  • Up to 4 square feet and 4 feet high, including the vertical post.
    Applies: Off-site open house directional signs.
    § 9.29.225 · code text
    Signs shall not exceed four square feet in area, and a height of four feet including the vertical post.
  • Signs may be posted only while an owner or agent is on the premises and it is open for inspection.
    Applies: Off-site open house directional signs.
    § 9.29.225 · code text
    Signs are only permitted to be posted during the time an owner or owner's agent is on the premises and the premises are open for inspection.
  • Install no earlier than 8:00 a.m.; remove no later than sunset.
    Applies: Off-site open house directional signs.
    § 9.29.225 · code text
    The signs shall be installed no earlier than 8:00 a.m. and removed no later than sunset.
Other temporary signs
  • Not posted more than 30 days before the event; election signs are excepted.
    Applies: Temporary noncommercial signs for civic, nonprofit or special events.
    § 9.29.315 · code text
    Temporary signs shall not be posted more than 30 days before the event to which they relate, except for political signs expressing a message relating to an election, and shall be removed within three days after said event or election.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What signs may I put up at my home in Mission Viejo?

Mission Viejo's code: Up to 4 feet wide, 4 feet high and 4 square feet in total, including post; no sign permit needed. (Noncommercial sign on a residential site, on property the owner or occupant owns or controls.) (§ 9.29.320); Up to 15 square feet in total, unless the director approves more for the event. (Temporary noncommercial signs for civic, nonprofit or special events; unlit; written approval needed to place one on another person's property.) (§ 9.29.315).

General information, not legal advice.

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Mission Viejo Municipal Code — full text