Sign Regulations in Port Huron, Michigan

Port Huron, Michigan has specific sign regulations covering 21 sign types across 7 zoning districts. Regulated sign types include Ground Sign, Real Estate Sign, 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 21, 2025

Sign Regulation Overview for Port Huron, Michigan

Sample Sign Requirements in Port Huron

Sign TypeMax HeightMax AreaSetback
Wall Sign200 square feet per building face
Ground Sign200 square feetIn accordance with building setback for district
Temporary Sign24 square feet (without permit); permits required if over 24 sq. ft. or outside building

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

PermitPal Coverage for Port HuronFull Coverage

Sign Types Covered

21

  • Ground Sign
  • Real Estate Sign
  • Wall Sign
  • Projecting Sign
  • +2 more types

Zoning Districts

7

Different zoning districts with specific sign regulations

Data Includes

  • Permit requirements
  • Height restrictions
  • Illumination rules

Official Resources for Port Huron

Municipal Code2 permit application links available

Frequently Asked Questions

Sign height limits in Port Huron 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 Port Huron, 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 Port Huron, regulated sign types include Ground Sign, Real Estate Sign, Wall Sign, Projecting 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 Port Huron 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 Port Huron are regulated with specific requirements for brightness, animation, and message duration. Port Huron has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.

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Port Huron, Michigan Sign Rules at a Glance

Port Huron, Michigan regulates 21 sign types across 7 zoning districts. Portable Sign (including Sandwich Board)s in the General Regulations For All Zones zoning district are capped at 6 feet tall and 60 square feet, with a Same as ground signs for district setback (Sec. §52-819; §52-820(b)). Most commercial signs in Port Huron require a permit.

Detailed Sign Ordinance Requirements for Port Huron, Michigan

Sign Rules by Zoning District in Port Huron (7 zones)

Zoning DistrictSign Types RegulatedMax HeightMax AreaPermit Required
General Regulations For All Zones86 feet200 square feet per building face
Residential Districts (R, R-1, A-1, A-2), Residential uses in I District5100 square feet
Commercial District (C-1), Central Commercial District (CCD), Medical District (MD), Nonresidential uses in I District126 feet300 square feet per face
Business District (B), Central Business District (CBD)2200 square feet
Business District (B)2
Military Street Historic District1Flush-mounted signboard: height max 2.5 ft, lettering 8-18 in high, up to 65% of sign face; window sign max 25% of window area; awning sign: letters 6-8 in high (valances)
Industrial District (M-1, M-2), I District (Industrial, Nonresidential Uses)4300 square feet

Zone-by-Zone Sign Requirements in Port Huron(sample of 3 of 7 zones)

General Regulations For All Zones

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Wall Sign200 square feet per building faceAffixed to an exterior wall; cannot project more than 24 inches from building; cannot be entirely supported by unbraced parapet wallUnlock§52-822
Ground Sign200 square feetIn accordance with building setback for district1 per street frontageOn private property, outside public right-of-way; must comply with building setback requirements for districtUnlock§52-821
Projecting SignAttached to building; may not project more than 2 feet into right-of-way, up to 4 feet over private propertyUnlock§52-825
Temporary Sign24 square feet (without permit); permits required if over 24 sq. ft. or outside building1 per street frontage if outsideAllowed only in nonresidential districts; in building/window only (unless permit for outside)Unlock§52-820
Portable Sign (including Sandwich Board)6 feet60 square feetSame as ground signs for district1 per property at one timeNonresidential districts; on private property; must not obstruct traffic or visibilityUnlock§52-819; §52-820(b)
Awning SignNonresidential districts; attached to face of buildingUnlock§52-823
Roof SignNot more than 3 feet above rooflineOn building roofUnlock§52-827
Marquee SignAttached to front/sides of marquee or hung from bottom; minimum 8.5 ft above sidewalk at lowest pointUnlock§52-826

Residential Districts (R, R-1, A-1, A-2), Residential uses in I District

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Nameplate Sign1 square foot1 per dwelling unitOn dwelling unit (one per unit)Unlock§52-829(1)
Bulletin or Announcement Board12 square feet1/2 front yard setback; required side yard1 per permitted useOn property of permitted use (not dwellings); must meet yard setbackUnlock§52-829(2)
Ground or Wall Sign (Multiple-Housing Development)48 square feetPermanent: 30 ft from curb, 10 ft from sidewalk (at entry to major thoroughfare), may be in required front yard if criteria met1 per entranceOn multiple-family or multifamily housing developmentUnlock§52-829(3) and (6)-(7)
Real Estate Sign6 square feet1 per street frontageOn building or land to be sold, rented, or leasedUnlock§52-829(5)
Temporary Subdivision Sign100 square feetOn property of subdivisionUnlock§52-829(7)

Commercial District (C-1), Central Commercial District (CCD), Medical District (MD), Nonresidential uses in I District

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Wall Sign200 square feet per building face, except: shopping/office/cluster commercial: 100 sq. ft. per storefront; anchor stores 200 sq. ft. per storefrontAffixed to buildingUnlock§52-830(2)(a), §52-822, §52-824
Marquee SignOn or hung from marqueeUnlock§52-830(2)(c), §52-826
Ground Sign200 square feetBuilding setback for district1 per street frontageOn private property, outside right-of-way, per setbackUnlock§52-830(2)(e), §52-821
Roof Sign3 feet above rooflineOn roofUnlock§52-830(2)(f), §52-827
Portable Sign (including Sandwich Board, Inflatable)6 feet60 square feetSame as ground sign for district1 per property at a timeOn private property in nonresidential districtUnlock§52-830(2)(h), §52-819
Temporary Sign24 sq ft (no permit, inside window/building); portable sign rules if >24 sq ft or outside1 per street frontage if outsideOn/inside building or windowUnlock§52-830(2)(i), §52-820
Real Estate Sign32 square feet1 per street frontageOn building or land intended to be sold/rented/leasedUnlock§52-830(3)
Off-premises Sign (Billboard)300 square feet per faceBuilding setback for district, and min 150 ft from residential districtOn private property in C-1, not closer than 150 ft to any residential district; not closer to lot line than required building setbackUnlock§52-830(4), §52-828

PermitPal covers all 7 zoning districts in Port Huron — 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 Port Huron — start free

Prohibited Signs in Port Huron

  • No sign, except those placed and maintained by the City, county or state, shall be erected or placed in the public right-of-way nor be allowed to project into the public right-of-way, unless otherwise specifically provided.
  • Signs erected on a building may not project more than two feet into the right-of-way.
  • No sign shall exceed the maximum height limitations of the zoning district in which it is located, unless otherwise permitted.
  • No sign or other advertising structure shall be erected at street intersections in such a manner as to obstruct free and clear vision or interfere with or be confused with authorized traffic signs, signals, or devices, or use words, phrases, symbols, or characters in a way that misleads or confuses traffic.
  • No sign shall be erected, constructed, or maintained to obstruct any fire escape or any window, door, or opening used as a means of egress or for firefighting purposes, or to prevent free passage on roofs.
  • No sign shall be attached to a fire escape, or interfere with any opening required for legal ventilation.
  • No sign shall be erected, constructed or maintained so as to prevent free passage from one part of a roof to any other part thereof.
  • Unless permitted, all signs must comply with applicable local building and electrical codes.
  • Any sign found to be unsafe, a menace to the public, or constructed, erected, or maintained in violation of the ordinance, must be removed or altered within 10 days after notice.
  • All signs must be kept in repair and in a proper state of preservation.
  • Any sign which no longer advertises a bona fide business conducted or a product sold on the premises shall be removed within 90 days after written notification.
  • Temporary signs shall not extend over or into any public right-of-way, street, alley, sidewalk, or other public thoroughfare.
  • Temporary signs shall not be erected so as to endanger persons or property or obstruct the view of traffic or traffic signals.
  • Temporary signs may not project over any wall opening or prevent ingress/egress from doors, windows, or fire escapes.
  • All illuminated signs and building trim shall not produce glare into adjacent residential districts or cause hazardous glare to pedestrians or drivers.
  • No illuminated sign may be of such brightness as to cause hazardous glare.
  • All spotlights must be diffused or shielded to not shine on other properties.
  • There shall be no flashing, oscillating, or intermittent type of illuminated sign or display in any residential district or within 100 feet of a residential district, except in limited circumstances.

Exempt Signs in Port Huron

  • Permit not required for projecting signs not exceeding 2.5 square feet of display surface.
  • Permit not required for real estate signs allowed in any district, provided the sign conforms to requirements.
  • Permit not required for political signs (with specific size, placement, and timing limits).
  • Permit not required for special event signs (with specific size, placement, and removal timing requirements).
  • Permit not required for memorial signs or tablets, names of buildings and date of construction when cut in masonry or constructed of bronze or other incombustible materials.
  • Permit not required for traffic or other municipal signs, legal notices, railroad crossing signs, danger signs, or temporary emergency or nonadvertising signs approved by the City Council.
  • Permit not required for bulletin boards not over 12 square feet for public, charitable, or religious institutions, located on their premises.
  • Permit not required for directional signs within the zoning lot area, below four feet in height, and not for advertising purposes, subject to requirements.
  • Permit not required for wall signs not more than 10 square feet in commercial or industrial districts.
  • Exemptions apply only to permit requirement, not from responsibility for safe erection and maintenance.

Sign Plan & Submission Notes for Port Huron

  • A building permit is required for the erection, construction, or alteration of any sign unless specifically exempted by the ordinance.
  • The permit application must include plans, specifications, plot or site plan showing sign location, stress calculations, owner and installer consents, and all other details required by the Building Inspector or Zoning Administrator.
  • For permanent subdivision signs in residential districts, a scaled elevation drawing showing size, layout, color, materials, and a site plan showing location relative to property lines, streets, sidewalks, and utilities must be submitted. Approval from the Planning Commission is required prior to building permit issuance.
  • For portable signs in nonresidential districts, the property owner and/or occupant and the sign lessor must obtain a building permit prior to placement, accompanied by a plot plan showing property and sign placement.
  • For signs in the Military Street Historic District, a sign permit application must include scale drawings showing dimensions, style, wording, paint colors, materials, and an image or drawing showing where and how the sign will be attached. These are reviewed for compliance with historic guidelines.
  • Any electrical or illuminated sign requires an electrical permit and installation in accordance with local electrical codes.
  • Such other information as the Building Inspector or Zoning Administrator may require in order to show full compliance with the chapter.

Source: ecode360 municipal code