Sign Regulations in St Clair, Michigan
St Clair, Michigan has specific sign regulations covering 28 sign types across 14 zoning districts. Regulated sign types include Electronic Message/Animated Sign, Window Sign, Ground Sign. Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.
Data last verified: January 12, 2026
Sign Regulation Overview for St Clair, Michigan
Sample Sign Requirements in St Clair
| Sign Type | Max Height | Max Area | Setback |
|---|---|---|---|
| Ground Sign (Subdivision or Religious/Education Entrance) | 6 ft | 32 sq ft | 15 ft from back of curb |
| Wall Sign (Model Identifying Office) | — | 6 sq ft | — |
| Window Sign (Residential Model Office) | — | 6 sq ft | — |
* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.
PermitPal Coverage for St ClairFull Coverage
Sign Types Covered
28
- Electronic Message/Animated Sign
- Window Sign
- Ground Sign
- Wall/Hanging/Canopy Sign (Primary Frontage)
- +2 more types
Zoning Districts
14
Different zoning districts with specific sign regulations
Data Includes
- Permit requirements
- Height restrictions
- Illumination rules
Official Resources for St Clair
Other Cities in Michigan
Frequently Asked Questions
Sign height limits in St Clair 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 St Clair, 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 St Clair, regulated sign types include Electronic Message/Animated Sign, Window Sign, Ground Sign, Wall/Hanging/Canopy Sign (Primary Frontage), 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 St Clair 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 St Clair are regulated with specific requirements for brightness, animation, and message duration. St Clair has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.
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St Clair, Michigan Sign Rules at a Glance
St Clair, Michigan regulates 28 sign types across 14 zoning districts. Ground Signs in the General Commercial (C-2) zoning district are capped at 6 ft tall and 32 sq ft, with a 25 ft from back of curb setback (Sec. Section 6.4.1, District 4 (C-2); Section 6.3.3; Section 6.4.1(e); Section 6.3.2.C.2). Most commercial signs in St Clair require a permit.
Detailed Sign Ordinance Requirements for St Clair, Michigan
Sign Rules by Zoning District in St Clair (14 zones)
| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
|---|---|---|---|---|
| Single-Family Residential (low density) (R-1), Single-Family Residential (medium density) (R-1A), Two-Family Residential (R-2) | 4 | 6 ft | 32 sq ft | — |
| Multiple-Family Residential (R-3) | 2 | 6 ft | 32 sq ft | — |
| Mobile Home Park (MHP) | 2 | 6 ft | 32 sq ft total | — |
| Planned Unit Development (PUD) | 1 | As approved during site plan/PUD review | As approved by City during site plan/PUD review; distance-from-ROW size increases per Note a may apply | — |
| Mixed Use (MD), Local Commercial (C-1) | 4 | 6 ft | ≤50% of permitted sign area (additive only if PC approves) | — |
| General Commercial (C-2) | 5 | 6 ft | Calculated per formula; max 200 sq ft; 10% height cap | — |
| Office Service (OS), Light Industrial (M-1), Heavy Industrial (M-2) | 3 | 8 ft | Calculated; max 200 sq ft; 10% height cap | — |
| Parks, Recreation and Public Facilities (PRPF) | 3 | Ground: 8 ft | ≤50% of permitted sign area (additive only if PC approves) | — |
| Riverside Subdistrict | 5 | Minimum 8 ft above grade; Max 15 ft on single-story; Max 1 ft below second-story window sill line on multi-story | ≤50% of permitted sign area (additive only if PC approves) | — |
| Clinton Avenue Subdistrict | 5 | Minimum 8 ft above grade; Max 15 ft (single-story); Max 1 ft below second-story sill (multi-story) | ≤50% of permitted sign area (additive only if PC approves) | — |
| Gaslight Subdistricts | 5 | Minimum 8 ft above grade; Max 15 ft (single-story); Max 1 ft below second-story sill (multi-story) | ≤50% of permitted sign area (additive only if PC approves) | — |
| Downtown Redevelopment District | 3 | ≥15 ft above immediate grade | As allowed in approved Master Sign Plan; Anchor Store may occupy up to 40% of allowed square footage | — |
| Historic District | 1 | Per underlying district | Per underlying district | — |
| General Regulations For All Zones | 7 | Ground-mounted civic/charitable event signs ≤36 inches | As determined by frontage: interval of 60 ft on-center acceptable; per Section 6.5.3(C): temporary banners ≤12 sq ft per side (24 sq ft total) | — |
Zone-by-Zone Sign Requirements in St Clair(sample of 3 of 14 zones)
General Commercial (C-2)
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Ground Sign | 6 ft | 32 sq ft | — | 25 ft from back of curb | 1 ground OR 1 wall sign on main street frontage | Main street frontage | — | Unlock | Section 6.4.1, District 4 (C-2); Section 6.3.3; Section 6.4.1(e); Section 6.3.2.C.2 |
| Wall/Hanging/Canopy Sign (Primary Frontage) | — | Calculated per formula; max 200 sq ft; 10% height cap | — | — | 1 on one abutting street frontage | On one abutting street frontage | — | Unlock | Section 6.4.1, District 4 (C-2); Note b(1–3); Section 6.4.1(e) |
| Window Sign | — | Up to 25% of ground-floor window area; max 50% coverage of any single window or door | — | — | Not numerically limited; subject to area limits | Within 2 ft of window interior/exterior | — | Unlock | Section 6.4.1, District 4; Section 6.5.2 |
| Electronic Message/Animated Sign | Must conform to district sign height regulations | ≤50% of permitted sign area (additive only if PC approves) | — | Per associated sign type | Per district limits and Note d | Freestanding, wall-mounted, or window | — | Unlock | Section 6.4.6(A–G); Section 6.4.1 Note d; Section 6.3.3 |
| Shopping Center Ground Sign (Multi-tenant in C-2 or Downtown Redevelopment) | Per designated zoning district | As allowed in approved Master Sign Plan; Anchor Store may occupy 40% of allowed square footage | — | Per district (C-2 ground sign setback 25 ft from back of curb) | 1 main ground sign, with additional signs as determined necessary based on lot size and zoning (per Master Sign Plan) | Front of property; shopping center sites (more than 3 units; ≥250 LF frontage on one road) | — | Unlock | Section 6.2 (Shopping Center sign definition); Section 6.4.2 (Master Sign Plan); Section 6.4.1, item 6 (Multi-tenant) |
Riverside Subdistrict
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Wall Sign (Primary Frontage) | Minimum 8 ft above grade; Max 15 ft on single-story; Max 1 ft below second-story window sill line on multi-story | Up to 36 sq ft per street; additional street signs ≤50% of primary street area | — | — | 1 per public thoroughfare; additional abutting street signs at ≤50% of primary | One per public thoroughfare (primary frontage and abutting public streets) | — | Unlock | Section 6.4.1, District 11 (Riverside/Clinton) Table; Section 6.3.3 (illumination); Additional criteria row |
| Awning/Canopy Sign | 8 ft | Up to 36 sq ft per awning/canopy | — | — | 1 per awning/canopy | One per awning/canopy; permitted on abutting public streets (additional street awning signage ≤50% of primary area) | — | Unlock | Section 6.4.1, District 11 table; Note b(1–3); Additional criteria row |
| Window Sign | — | Up to 25% of ground-floor window area; max 50% coverage any single window | — | — | Not numerically limited; subject to area limits | Within 2 ft of window | — | Unlock | Section 6.4.1, District 11; Section 6.5.2 |
| Freestanding/Projecting Sign | Freestanding: no minimum requirement; Wall-mounted projecting: minimum 8 ft; maximum 12 ft | Up to 32 sq ft per side | — | — | Per frontage; plus 1 additional pole-mounted projecting sign if >120 LF | Primary street frontage | — | Unlock | Section 6.4.1, District 11, Freestanding/Projecting column; Special Conditions row |
| Electronic Message/Animated Sign | Per associated sign type | ≤50% of permitted sign area (additive only if PC approves) | — | — | 1 per development | Freestanding, wall, or window per district rules | — | Unlock | Section 6.4.1, District 11 (EM/Animated column); Section 6.4.6; Additional criteria row |
General Regulations For All Zones
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Hanging/Projecting/Canopy/Awning Sign (General Allowance) | Must be ≥7 ft above walking surface when projecting over public walkway; must not project over street/alley; projection ≤5 ft from building face | Per district wall sign allowances | — | — | Per district limits | Where allowed as wall signs in permitted districts | — | Unlock | Section 6.4.1(b)(1–3) |
| Electronic Message/Animated Sign (General) | Conform to district sign height | ≤50% of permitted sign area | — | Per associated sign type | Per district limits; 1 per development in subdistricts | Only permitted in OS, C-1, C-2, M-1, M-2, PRPF, Riverside, Clinton Avenue, Gaslight (and for gas stations and multi-tenant sites per Note d); not permitted in residential districts or PUD unless specifically allowed | — | Unlock | Section 6.4.6(A–G); Section 6.4.1 Note d; Section 6.3.3 |
| Temporary, Special Event Sign | Ground-mounted civic/charitable event signs ≤36 inches | As determined by frontage: interval of 60 ft on-center acceptable; per Section 6.5.3(C): temporary banners ≤12 sq ft per side (24 sq ft total) | — | Must be outside right-of-way; event ground signs: general setback per safety determination | Determined by frontage; 60-ft on-center spacing acceptable | Non-residential parcels (up to 45 days/year; increments of 3–15 consecutive days); civic/charitable event signs permitted in C-1, C-2, Clinton, Riverside, Gaslight, and residential districts with property owner permission | — | Unlock | Section 6.4.7(A–G); Section 6.5.3(A–C) |
| Construction Sign | Residential: set back ≥15 ft; Non-residential: height not specified; must be set back ≥15 ft | Residential districts: ≤6 sq ft per face; Non-residential districts: ≤18 sq ft per face | — | ≥15 ft from curb | As needed within limits | On construction site | — | Unlock | Section 6.5.5(A–C) |
| Real Estate Sign | Residential: ≤4.5 ft; Non-residential: ≤8 ft total height | Residential: ≤9 sq ft per face; Non-residential: ≤16 sq ft per face | — | ≥15 ft from curb/edge of pavement | 1 wall or freestanding per lot; additional directional signs per event limits | On property for sale; open house/garage sale directional signs allowed with limits | — | Unlock | Section 6.5.6(A–D) |
| Public and Civic Announcement Electronic Message Sign | 6 ft | ≤24 sq ft area; height ≤6 ft | — | ≥10 ft from right-of-way line | 1 per eligible site | Any site containing church, school, or civic space (regardless of district) | — | Unlock | Section 6.5.7(A–D) |
| Political/Civic Signs | — | — | — | Outside right-of-way | Not specified; subject to removal timeline | Private property | — | Unlock | Section 6.5.4(A–F) |
PermitPal covers all 14 zoning districts in St Clair — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.
See all 14 zones for St Clair — start freeProhibited Signs in St Clair
- Any sign not specifically permitted by the ordinance is prohibited.
- Signs may only advertise goods, services, or uses that are displayed, sold, or permitted on the parcel where the sign is located (off-premises advertising is prohibited).
- No sign may be located in a place not specifically permitted by the ordinance.
- No sign may project into, over, or across any public right-of-way (except City/County/State signs, or by City Council permission or where specifically permitted).
- Within the intersection vision triangle (30 feet from the intersecting right-of-way lines), no sign may exceed 2.5 feet in height.
- No sign may obstruct any door, means of egress, fire escape, or firefighting/health/safety/code-related requirements.
- No sign may exceed the allowable height or area listed in the Schedule of Sign Regulations.
- Signs may not be placed on berms or other elevated areas to exceed allowable height.
- Internally illuminated translucent canopies or awnings are prohibited.
- Visible LED illumination on signs is prohibited (including LED illuminators, bars, lamps, alphanumeric, RGB, bi-color/tri-color, flashing LEDs), except as specifically allowed for electronic message/animated signs, “open/closed” signs, and gas station price signs.
- Flashing, rotating, moving, motion-sequenced rope lighting, animated window shades, and other non-steady light sources are prohibited.
- Internal illumination is prohibited for any sign located in a historic district or State/Federal historically designated site.
- External illumination must be shielded so it does not shine onto adjacent properties or into public streets/walkways.
- Roof signs above the bottom roof line are prohibited (except signs on false mansard fronts on one-story structures, at or below the top of the roof line).
- Banner signs advertising products/services/entertainment venues are prohibited unless otherwise allowed for public/civic announcements by the ordinance.
- Obscene content on signs is prohibited.
- Billboards/offsite signage is prohibited.
- Vacant lot signage is prohibited, except real estate sale/lease signs and political signs allowed by the ordinance.
- Neon is prohibited except for “open/closed” signs up to 4 square feet.
- Trailer- or vehicle-mounted signs are prohibited.
- Lasers, searchlights, and other high-intensity illumination devices are prohibited.
- Advertising a product or service on a flag or bunting is prohibited.
- Pennants, streamers, and similar advertising devices are prohibited.
- Inflatable signs are prohibited.
Exempt Signs in St Clair
- Address numbers required by ordinance.
- One identification sign per structure up to 2 square feet designating the name/profession of an occupant.
- Noncommercial informational signs up to 2 square feet (e.g., restrooms, door directions).
- Directly or indirectly illuminated signs such as clock faces or barber poles that do not contain illustrations or communicate a message.
- One historic plaque/building directory/restaurant menu up to 6 square feet with letters no taller than 2 inches, containing information pertaining to building occupants only.
- Parking information/directional/pedestrian or vehicular warning/control signs up to 4 square feet and not exceeding 3 feet in height for ground-mounted signs.
- Portable “open” signs as permitted by the Schedule of Sign Regulations; fixed lighted or unlighted “open” signs (including LED/neon) up to 4 square feet.
- Reserved parking space, reserved seating, or reserved display area signs.
- Neon or painted lettering on windows as permitted by the Schedule of Sign Regulations.
- Grand opening signs, one time only, for up to 45 days.
- Window signage within the type, number, size, location, and illumination limits of the Schedule of Sign Regulations (maximum 50% coverage of any single window/door and overall limits per district).
- Construction site signs (size and setback limits; displayed only during active construction; removed upon final inspection or certificate of occupancy; maximum 180 days unless extended by the Building Official).
- Real estate signage (one wall or freestanding sign per lot with size/height/setback limits; must be removed within 10 days after sale/lease/rental; plus open house and garage sale directional signs under specified limits).
- Public and civic electronic message announcement sign: one per site that contains a church, school, or civic space (regardless of district), up to 24 square feet, 6 feet high, set back at least 10 feet from the right-of-way; must meet illumination standards and specified base/support design.
- Municipal seasonal decorations and community event signs reviewed by City Council under the Special Events ordinance (may be placed; similar private seasonal decorations up to 2 square feet on private property if not a nuisance).
- Cross-street banners with written approval of the Building Official, subject to dimensional and installation standards and a maximum duration of 60 days.
- Temporary banner signs on private property (registration required; one sign per business/non-profit/leasing entity; maximum 12 square feet per side/24 square feet total; limited display periods; no illumination).
Sign Plan & Submission Notes for St Clair
- Master Sign Plan is required for all multi-tenant sites with over 100 lineal feet of frontage on any one road right-of-way in Commercial (C-1, C-2), Industrial (M-1, M-2), and Office Service (OS) districts.
- All signs in Multi-tenant (C-1, C-2, M-1, M-2, OS, Riverside, Clinton, Gaslight) and PUD districts must have materials, illumination, type, and color that meet Planning Commission approval under the Master Sign Plan (Section 6.4.2).
- Master Sign Plan submittals must include a site plan to the Planning Commission meeting the ordinance requirements for Site Plan Review; all proposed signage must be prepared by a licensed architect or engineer; colors/materials/lighting must be coordinated to provide a consistent theme; Planning Commission may not permit signage that is not specifically permitted or is prohibited by the Ordinance.
- Within designated Zoning/Historic/Overlay Districts established by Planning Commission and City Council, the Planning Commission may grant up to a 25% increase in allowable signage if an architectural study is submitted by a licensed architect and signage is designed accordingly; subsequent compliant changes may be approved by the Building Official.
- PUD: All signage must be presented with the request for the PUD at the Planning Commission review.
- Gas stations: All signage must be presented with the request for Site Plan Approval as required by the Ordinance.
- Fast food menu boards: Location and size must be shown on a submitted site plan and are subject to Planning Commission approval.
- Electronic message/animated signs: Illumination and display type require Planning Commission review and approval for compatibility with the area (Section 6.4.1 Note d and Section 6.4.6).
- Sign permits: When required by the Building Code, permit drawings/plans/specifications must bear the seal of a registered architect or engineer; an electrical permit is required for any sign requiring electrical service.
Source: municode municipal code