Sign Regulations in Mountain Home, Idaho

Mountain Home, Idaho has specific sign regulations covering 40 sign types across 7 zoning districts. Regulated sign types include On Premises Sign: Rent, Lease, Sale, Construction Sign, Fascia or Wall Sign. Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.

Data last verified: April 20, 2025

Sign Regulation Overview for Mountain Home, Idaho

Sample Sign Requirements in Mountain Home

Sign TypeMax HeightMax AreaSetback
On Premises Sign: Rent, Lease, Sale4 ft4 sq. ft.5 ft
Personal Nameplate2 sq. ft.
Construction Sign6 ft32 sq. ft.5 ft

* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.

PermitPal Coverage for Mountain HomeFull Coverage

Sign Types Covered

40

  • On Premises Sign: Rent, Lease, Sale
  • Construction Sign
  • Fascia or Wall Sign
  • Freestanding Pole Sign
  • +2 more types

Zoning Districts

7

Different zoning districts with specific sign regulations

Data Includes

  • Permit requirements
  • Height restrictions
  • Illumination rules

Frequently Asked Questions

Sign height limits in Mountain Home vary by zone and sign type. Wall signs typically range from 25-40 feet, while monument signs are usually limited to 6-10 feet. Use PermitPal to get exact requirements for your property.

To get a sign permit in Mountain Home, submit an application to the local building or planning department with sign dimensions, location, and design specifications. Our data confirms permits are required for most commercial signs. Processing typically takes 1-4 weeks. PermitPal helps you identify specific requirements and prepare complete applications.

In Mountain Home, regulated sign types include On Premises Sign: Rent, Lease, Sale, Construction Sign, Fascia or Wall Sign, Freestanding Pole Sign, and 2 more types. Most commercial signs require permits. Temporary signs and certain small signs may be exempt. Use PermitPal for specific exemptions.

Sign setback requirements in Mountain Home vary by zone and sign type, typically ranging from 5-15 feet from property lines. Use PermitPal for specific setback requirements at your location.

Digital and LED signs in Mountain Home are regulated with specific requirements for brightness, animation, and message duration. Mountain Home has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.

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Mountain Home, Idaho Sign Rules at a Glance

Mountain Home, Idaho regulates 40 sign types across 7 zoning districts. On Premises Sign: Rent, Lease, Sales in the C-2 Central Business District zoning district are capped at 6 ft tall and 16 sq. ft. per sign, with a 5 ft setback (Sec. 9-13-5 Sign Regulations Use Chart). Most commercial signs in Mountain Home require a permit.

Detailed Sign Ordinance Requirements for Mountain Home, Idaho

Sign Rules by Zoning District in Mountain Home (7 zones)

Zoning DistrictSign Types RegulatedMax HeightMax AreaPermit Required
R-1, R-2, R-3, R-4, Limited Office (LO/R)7Wall: No higher than wall; Monument: Up to 8 ft; Pole: 10 ft; Schools/Hospitals: 20 ftUp to 35 sq. ft. (by conditional use - site plan required)
C-1 Neighborhood/Commercial1020 ft32 sq. ft.
C-2 Central Business District1420 ftMaximum 40 sq. ft.
C-3 General Commercial District1140 ft400 sq. ft.
C-4 Heavy Commercial, I-1 Light Industrial1140 ft400 sq. ft.
I-2 Heavy Industrial1040 ft400 sq. ft.
General Regulations For All Zones2050% of window area

Zone-by-Zone Sign Requirements in Mountain Home(sample of 3 of 7 zones)

C-2 Central Business District

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
On Premises Sign: Rent, Lease, Sale6 ft16 sq. ft. per sign5 ft1 per street frontage5 ft behind property line or fasciaUnlock9-13-5 Sign Regulations Use Chart
Construction Sign10 ft32 sq. ft. per sign5 ft1 per street frontage5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
Projecting SignNot to exceed building height20 sq. ft.1 per street frontageOn wall of building fronting streetUnlock9-13-5 Sign Regulations Use Chart
Under Canopy SignSuspended below canopy4 sq. ft. (12" x 4')4 ft1 per street frontage12" below canopyUnlock9-13-5 Sign Regulations Use Chart
Freestanding Pole Sign20 ftMaximum 40 sq. ft.10 ft1 per business10 ft behind property line (center of sign)Unlock9-13-5 Sign Regulations Use Chart
Freestanding Monument SignUp to 8 ftMaximum 20 sq. ft.5 ft1 per business5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
Directional Business Sign6 sq. ft.5 ft3 per business5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
PUD/Subdivision Identification Sign (Monument)Up to 8 ft32 sq. ft.5 ft1 per street frontage5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart

C-3 General Commercial District

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
On Premises Sign: Rent, Lease, Sale10 ft16 sq. ft. per sign5 ft1 per street frontage5 ft behind property line or fasciaUnlock9-13-5 Sign Regulations Use Chart
Nameplate2 sq. ft.1 per unitFasciaUnlock9-13-5 Sign Regulations Use Chart
Construction Sign10 ft32 sq. ft. per sign5 ft1 per street frontage5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
Freestanding Pole Sign25 ftMaximum 60 sq. ft.10 ft1 per business; conditional use for 2 or more10 ft behind property line (center of sign)Unlock9-13-5 Sign Regulations Use Chart
Freestanding Monument SignUp to 8 ftMaximum 20 sq. ft.5 ft5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
I-84 Frontage Freestanding Sign40 ft400 sq. ft.100 ft1 per I-84 frontage100 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
PUD/Subdivision Identification Sign (Monument)Up to 8 ft32 sq. ft.5 ft1 per street frontage5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
Directional Business Sign6 sq. ft.5 ft3 per business5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart

C-4 Heavy Commercial, I-1 Light Industrial

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
On Premises Sign: Rent, Lease, Sale10 ft32 sq. ft. per sign5 ft1 per street frontage5 ft behind property line or fasciaUnlock9-13-5 Sign Regulations Use Chart
Nameplate2 sq. ft.1 per unitFascia or wallUnlock9-13-5 Sign Regulations Use Chart
Construction Sign10 ft64 sq. ft. per sign5 ft1 per street frontage5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
Freestanding Pole Sign25 ftMaximum 75 sq. ft.10 ft1 per business; conditional use for 2 or more10 ft behind property line (center of sign)Unlock9-13-5 Sign Regulations Use Chart
Freestanding Monument SignUp to 8 ftMaximum 30 sq. ft.5 ft5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
I-84 Frontage Freestanding Sign40 ft400 sq. ft.50 ft1 per I-84 frontage50 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
PUD/Subdivision Identification Sign (Monument)Up to 8 ft32 sq. ft.5 ft1 per street frontage5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart
Directional Business Sign6 sq. ft.5 ft3 per business5 ft behind property lineUnlock9-13-5 Sign Regulations Use Chart

PermitPal covers all 7 zoning districts in Mountain Home — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.

See all 7 zones for Mountain Home — start free

Prohibited Signs in Mountain Home

  • Signs placed on any street right of way, curb, sidewalk, post, pole, power pole, hydrant, bridge or tree, except official public notices posted by a public officer.
  • Signs which, by reason of their size, location, movement, content, coloring or manner of illumination may be confused with or construed as a traffic control sign, signal, or device, or the light of an emergency or road equipment vehicle; or which obstruct the visibility of any traffic or street sign or signal device.
  • Off-premises signs and billboard signs advertising a business which is conducted elsewhere, except as specifically permitted elsewhere in the code.
  • Roof signs.
  • No sign or sign foundation shall encroach or project beyond the property line except as otherwise provided for in this code.
  • Any on-premises sign located on property which becomes vacant and unoccupied for a period of six (6) months or more shall be deemed to have been abandoned and must be removed.
  • No signs allowed in the vision triangle, except at a height of less than three feet (3') and greater than twelve feet (12') to the bottom of a sign display surface or sign area. Sign structures above three feet in height having a projected width of greater than one foot shall not be permitted in the vision triangle.
  • No sign or sign structure may be maintained in violation of this chapter or of the conditions and limitations of any sign permit.
  • Flashing (the same copy flashing on and off repeatedly) is prohibited on animated and message center signs.
  • No political sign shall be posted in a public right of way nor posted on a utility pole.
  • Portable signs and A-frame signboards must not impair pedestrian or vehicular traffic in the public right of way.
  • All unlawful signs not removed after appropriate notice may be subject to removal by the city at the owner’s expense.
  • Signs that endanger public safety (e.g., defective, insecure, or hazardous) are declared unlawful and must be removed or repaired.

Exempt Signs in Mountain Home

  • Directional or institutional signs which do not in any way advertise a business; signs identifying restrooms, public telephones, walkways, parking lot entrance and exit signs, or similar.
  • Governmental signs for the control of traffic or other regulatory purposes, or signs of public service companies indicating danger, erected by or on the order of a public officer.
  • Flags or emblems of any nation, organization of nations, state, city, religious, fraternal, or civic organization.
  • Merchandise, pictures or models of products or services incorporated in a window display, works of art with no product identification, or scoreboards on athletic fields.
  • Holiday decorations and signs of a primarily decorative nature, customary and associated with national, local or religious holidays, not displayed for more than sixty (60) consecutive days or more than sixty (60) days in a year, with clear vision triangle maintained.
  • House/addressing numbers (within specified size limits) and mailbox names/addresses.
  • Building/addressing numbers for commercial buildings (within specified size limits).
  • Interior signs not visible from the public right of way.
  • "No Trespassing" or "No Dumping" signs, not to exceed 1.5 square feet per sign, maximum four per lot.
  • Memorial signs or tablets, building names and dates inlaid into masonry or as part of the building.
  • Occupant signs not exceeding one per dwelling unit indicating name or location or identification of home/professional office (except as limited by zoning).
  • Picket signs.
  • Plaques or nameplate signs of not more than two square feet, fastened flat to the building.
  • Political and campaign signs (not destructive to public property; not on public right of way or utility pole).
  • Public notices posted by public officials in the performance of duties.
  • Public signs required or specifically authorized for a public purpose by any law, statute, or ordinance.
  • Real estate and open house signs (one per lot or parcel, removed within seven days after sale, rental, or lease).
  • A-frame signboards in commercial and industrial zones (one per business, within size and location limits, non-obstructing).
  • Temporary signs not exceeding six square feet for outdoor temporary sales, grand openings, or events of civic, philanthropic, educational, or religious organizations (posted for no more than 60 days).
  • Warning signs informing of danger, containing no advertising, removed upon subsidence of danger.
  • Window signs in commercial or industrial districts, provided permanent signs do not exceed 50 percent of the window area.
  • Portable signs (on a chassis), one per business, non-obstructing.

Sign Plan & Submission Notes for Mountain Home

  • All shopping centers and planned unit developments (PUDs) must develop a signage plan as part of their preliminary application, specifying the size, location, shape, structure, and need for signs within the project.
  • For animated or message center signs, a sign permit shall not be issued until a site plan and/or final plat has been approved by the city for development of the property and after issuance of a building permit for a building on the property.
  • Applications for conditional use permits (for certain sign types such as off-premises, billboard signs, group identification signs, or public/quasi-public use) may require plans and drawings as noted in the Schedule of Signs Permitted.
  • Site plan and drawings are required for signs associated with public/church schools and hospitals (per conditional use).