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Signs on homes in Union City

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

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

What Union City's code says

Union City code What Union City's code adds
Home business signs
  • allowed, up to one and one-half (1-1/2) square feet
    Applies: approved home occupation on the premises; flat against the wall or window of the dwelling; naturally illuminated
    § 18.30.040 · code text
    Home occupation signs advertising an approved home occupation conducted on the premises, provided that such sign shall be naturally illuminated, shall not exceed one and one-half (1-1/2) square feet in area, and shall be located flat against the wall or window of the dwelling
Election and other noncommercial signs
  • At most 1 sign.
    Applies: Temporary signs without a commercial message (Director approval required); per property at a given time.
    § 18.30.060 · code text
    No more than one such sign shall be allowed on each subject property at a given time
  • At most 9 square feet.
    Applies: Temporary signs without a commercial message (Director approval required).
    § 18.30.060 · code text
    Such signs shall not exceed nine square feet in sign area
  • At most 72 consecutive hours.
    Applies: Temporary signs without a commercial message (Director approval required).
    § 18.30.060 · code text
    Such signs shall be limited to a display period not to exceed 72 consecutive hours
  • At most 4 signs per calendar year.
    Applies: Temporary signs without a commercial message (Director approval required); per calendar year.
    § 18.30.060 · code text
    A maximum of four such signs shall be allowed per calendar year
  • Remove within 14 calendar days.
    Applies: Temporary political signs, following the election.
    § 18.30.040 · code text
    Such signs shall be removed within 14 calendar days following the election
Signs that need no permit
  • Real estate signs for sale, rent or lease of a single residential parcel need no permit.
    § 18.30.040 · code text
    Real estate signs used to advertise the sale, rent, or lease of a single residential parcel
  • Garage/yard sale signs need no permit.
    Applies: Sale on residential property.
    § 18.30.040 · code text
    Garage/yard sale signs used to advertise such a sale on residential property
  • Street and house numbers need no permit.
    § 18.30.040 · code text
    Street and house numbers are exempt
  • Temporary political signs need no permit.
    § 18.30.040 · code text
    Political Signs. Temporary political signs provided that such signs comply with the following conditions:
For-sale and open-house signs
  • Up to 7 square feet in area.
    Applies: Single residential parcel.
    § 18.30.040 · code text
    shall not exceed seven square feet in area
  • 1 sign allowed at all times.
    Applies: Property for sale, rent or lease.
    § 18.30.040 · code text
    One such real estate sign shall be allowed on the property for sale, rent or lease at all times
  • Up to 4 additional signs.
    Applies: Open house signs on weekends, holidays, established realtor tour days, and other private properties with owner's permission.
    § 18.30.040 · code text
    Up to four additional "open house" signs, which may also exhibit directional arrows and instructions, shall be allowed on weekends, holidays, and established realtor tour days and on other private properties with the owner's permission
  • No more than 3 signs.
    Applies: Open house directional real estate signs on a single property.
    § 18.30.040 · code text
    No more than three such "open house" directional real estate signs (aggregate for one or more sales) shall be located on a single property

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What signs may I put up at my home in Union City?

Union City's code: allowed, up to one and one-half (1-1/2) square feet (approved home occupation on the premises; flat against the wall or window of the dwelling; naturally illuminated) (§ 18.30.040); At most 1 sign. (Temporary signs without a commercial message (Director approval required); per property at a given time.) (§ 18.30.060).

General information, not legal advice.

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Ask GoCodebook how Union City's signs on homes rules apply to your situation and get an answer that cites the section.

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