# Sign Regulations in Trenton, Michigan

Sign permit rules, size and height limits, setbacks, and ordinance citations for Trenton, Michigan, compiled by PermitPal from the jurisdiction's published municipal code.

- **Jurisdiction:** Trenton, Michigan (MI)
- **Canonical page:** https://permitpal.io/sign-regulations/michigan/trenton
- **Data last verified:** 2025-05-09
- **Source:** [municode municipal code](https://library.municode.com/MI/Trenton/codes/Code_of_Ordinances?nodeId=PTIICOOR_CH42FIPRPR_ARTIVEX_DIV2STMA_S42-268WASI)

## At a glance

Trenton, Michigan regulates 16 sign types across 7 zoning districts. Textile Recycling and Donation Bins in the B-1, B-2, B-3 zoning district are capped at 6.5 ft tall, 8 ft x 5 ft footprint, max 6.5 ft height, and 8 ft wide (Sec. Sec. 110-641). Most commercial signs in Trenton require a permit.

## Sign rules by zoning district (7 zones)

| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
| --- | --- | --- | --- | --- |
| General Regulations For All Zones | 11 | — | Typically 200 sq ft or greater | — |
| B-2, B-3 | 1 | — | — | — |
| B-1, B-2, B-3 | 1 | 6.5 ft | 8 ft x 5 ft footprint, max 6.5 ft height | — |
| Residential Districts, R-1, R-2, R-3, R-4, RT, RM-1 | 1 | — | — | — |
| Nonresidential zoning districts | 1 | 30 ft or building height, whichever is less; 16 ft if abutting one- and two-family residential uses | — | — |
| Town Center Overlay District | 1 | — | — | — |

_1 additional zoning district is covered in PermitPal (free account)._

## Zone-by-zone sign requirements (sample of 3 of 7 zones)

### General Regulations For All Zones

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Wall Sign | — | — | — | — | — | Wall signs must be fastened to the wall of the building, with the exposed face approximately parallel and may not project more than 12 inches beyond the wall. May project up to 18 inches into the right-of-way if the wall is on the right-of-way line and provided sign is no closer than 12 feet from ground. | — | Sec. 110-632.1; Sec. 110-632.3(1)-(2); Sec. 110-632.4(2); Sec. 110-632.4(3); Sec. 110-632.4(6) |
| Freestanding Sign | — | — | — | Corner: No obstruction above 3 ft in clear vision triangle formed by 25 ft (street) or 15 ft (driveway/alley) from intersection. Pylon signs must have 8 ft clearance. | — | Permitted in any required yard; exempt from zoning setback/height schedule, follow sign standards in this section. | — | Sec. 110-632.1; Sec. 110-632.3(3); Sec. 110-634(1)(2) |
| Changeable Copy Sign | — | 30 sq ft per sign (max 15 sq ft per sign face) | — | — | — | — | — | Sec. 110-632.4(4) |
| Billboard | — | Typically 200 sq ft or greater | — | — | — | — | — | Sec. 110-632.1; Sec. 110-632.2(8); Sec. 110-632.4(5) |
| Roof Sign | — | — | — | — | — | — | — | Sec. 110-632.2(6) |
| Portable Sign | — | — | — | — | — | — | — | Sec. 110-632.2(7) |
| Snipe Sign | — | — | — | — | — | — | — | Sec. 110-632.2(4) |
| Window Sign | — | — | — | — | — | Affixed to a window or within 12 inches of a window visible from exterior. | — | Sec. 110-632.1 |

### B-1, B-2, B-3

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Textile Recycling and Donation Bin | 6.5 ft | 8 ft x 5 ft footprint, max 6.5 ft height | 8 ft | — | Max 2 bins per property | May not be adjacent to public rights-of-way, sidewalks, or greenways to the maximum extent practicable. Cannot be within required parking or landscape areas. Placed on concrete pad in a manner publicly accessible. | — | Sec. 110-641 |

### Residential Districts, R-1, R-2, R-3, R-4, RT, RM-1

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Entranceway Structure Sign | — | — | — | No portion above 3 ft in required clear vision triangle at intersections (25 ft). | — | At entrances to subdivisions or multiple housing projects, may be located in a required yard (except as provided for corner clearance). | — | Sec. 110-633; Sec. 110-634 |

## Prohibited signs in Trenton

- The following signs shall not be permitted in any use district unless otherwise provided for in this chapter: festoon sign, flashing, animated or moving sign, projecting sign (except swinging signs in the B-2/B-3 district), snipe sign, vehicle business sign, roof mounted signs, portable signs, billboard.
- No sign shall be erected which simulates or imitates in size, color, lettering, or design any traffic sign or signal or other word, phrase, symbol or character in such a manner as to interfere with, mislead, or confuse traffic.
- No sign shall be located in, project into, or overhang a public right-of-way or dedicated public easement except in limited cases for wall signs as specified.
- Wall signs mounted on a building shall not project above the highest point used to measure the height of the building.
- Illuminated signs shall not emit more than 5,000 nits in full daylight and 100 nits between dusk and dawn; shall not project light that exceeds 0.1 foot-candle above the ambient light at any property line bordering any residential zoning district.
- Scrolling or traveling of a message on changeable copy signs is prohibited.
- Changeable copy signs shall not and shall not appear to flash, undulate, pulse, blink, expand, contract, bounce, rotate, spin, twist, or otherwise move.
- Digital billboards should not display moving or flashing images (or lighting) or change in a way that produces an impression of movement.
- Illuminated electronic signs must have functioning ambient light monitors and automatic dimming equipment and these must be accessible to city staff for inspection.
- LED shall be no more than 20 percent of any sign.

## Signs exempt from permit in Trenton

- Signs erected by the City of Trenton, Wayne County, State or Federal governments are exempt from restriction on location in, projection into, or overhanging a public right-of-way or dedicated public easement.
- For signs, signs may be permitted in any required yard and are exempt from the schedule of regulations of the Zoning Ordinance for determining required height and required front setbacks; the standards provided in this section shall apply.

## Sign plan & submission notes

- There is no explicit requirement for a master sign plan or sign plan for all signs in all zones outlined in this section. However, compliance with zoning district requirements and special approvals may require review.
- Site plans may be required as part of special land uses or for certain changes or improvements (see Sec. 110-621, Special Land Use, and Sec. 110-625, Class A conditions, but not specifically for signs unless associated with the land use/site).

## Full detail

This page publishes an overview of every zoning district plus a sample of 3 districts in full. Complete zone-by-zone requirements for all 7 zoning districts in Trenton — every sign type, every field — are available with a free PermitPal account: https://app.permitpal.io/?address=Trenton+MI&override=true&utm_source=landing&utm_medium=city-page&utm_campaign=city-trenton

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