# Sign Regulations in Denison, Iowa

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

- **Jurisdiction:** Denison, Iowa (IA)
- **Canonical page:** https://permitpal.io/sign-regulations/iowa/denison
- **Data last verified:** 2025-07-02
- **Source:** [amlegal municipal code](https://codelibrary.amlegal.com/codes/denison/latest/denison_ia/0-0-0-6182)

## At a glance

Denison, Iowa regulates 22 sign types across 9 zoning districts. Ground Signs in the C-1 zoning district are capped at 15 ft tall and 75 sq ft, with a 5 ft setback (Sec. Table 173.3, Table 173.4). Most commercial signs in Denison require a permit.

## Sign rules by zoning district (9 zones)

| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
| --- | --- | --- | --- | --- |
| AG | 7 | 15 ft | 200 sq ft (civic/commercial), 3 sq ft (residential, including home occupations) | — |
| RR | 7 | 6 ft | Consult Table 173.1 for max size | — |
| R1-50, R1-60, R1-70, R-2, R-3, R-4, RM | 7 | 6 ft | See Table 173.1 (32 or 50 sq ft, based on use) | — |
| C-1 | 11 | 25 ft | 150 sq ft or 20% of street facade (whichever is less) | — |
| C-2, HC-1 | 12 | 35 ft | 300 sq ft or 25% of street facade | — |
| CBD | 9 | 15 ft | 100 sq ft | — |
| BP | 8 | 15 ft | 300 sq ft or 20% of street facade | — |
| I-1, I-2 | 9 | 35 ft | 300 sq ft or 25% of street facade | — |
| General Regulations For All Zones | 3 | — | 50 sq ft | — |

## Zone-by-zone sign requirements (sample of 3 of 9 zones)

### C-1

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Ground Sign | 15 ft | 75 sq ft | — | Front: 10 ft; Side: 5 ft | 1 per 300 ft of frontage | Front yard setback: 10 ft; Side yard: 5 ft | — | Table 173.3, Table 173.4 |
| Pole Sign | 25 ft | 75 sq ft | — | Front: 10 ft; Side: 5 ft | 1 per 300 ft of frontage | Front yard: 10 ft setback; Side: 5 ft setback | — | Table 173.3, Table 173.4 |
| Wall Sign | — | 150 sq ft or 20% of street facade (whichever is less) | — | — | — | Attached, parallel to wall | — | Table 173.3, 173.04(1), Table 173.4 |
| Awning Sign | — | — | — | — | — | On awnings | — | Table 173.2, 173.04(4), Table 173.4 |
| Projecting Sign | — | — | — | — | — | Attached, project from wall max 3 ft if sidewalk <12 ft, 5 ft otherwise | — | Table 173.2, 173.04(2), Table 173.4 |
| Banner Sign | — | 5% of street facade or 100 sq ft (whichever is less, per temporary sign rules) | — | — | — | Projecting from building | — | Table 173.2, 173.05(3), Table 173.4 |
| Electronic Information Sign | — | — | — | 25 ft from right-of-way; not within 75-ft arc at corner | — | Setback min 25 ft from right-of-way; not within arc formed by 75-ft corner radius | — | Table 173.4, 173.05(5) |
| Directional Sign | 4 ft | 12 sq ft | — | — | 1 per major entrance | Monument/ground sign at entrance | — | Table 173.2, Table 173.3 Note 2, Table 173.4 |

### C-2, HC-1

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Ground Sign | 15 ft | 150 sq ft | — | Front: 5 ft; Side: 5 ft | 1 per 200 ft of frontage | Front yard: 5 ft setback, Side: 5 ft setback | — | Table 173.3, Table 173.4 |
| Pole Sign | 35 ft | 150 sq ft | — | Front: 5 ft; Side: 5 ft | 1 per 200 ft of frontage | Front: 5 ft setback; Side: 5 ft setback | — | Table 173.3, Table 173.4 |
| Wall Sign | — | 300 sq ft or 25% of street facade | — | — | — | Parallel to wall | — | Table 173.3, 173.04(1), Table 173.4 |
| Awning Sign | — | — | — | — | — | On awnings | — | Table 173.2, 173.04(4), Table 173.4 |
| Banner Sign | — | 5% of street facade or 100 sq ft (whichever is less, per temp sign rules) | — | — | — | Projecting from building | — | Table 173.2, 173.05(3), Table 173.4 |
| Electronic Information Sign | — | — | — | 25 ft from right-of-way, not in 75-ft arc at corner | — | Min 25 ft setback from right-of-way | — | Table 173.4, 173.05(5) |
| Business Center Identification Sign | — | 100 sq ft (in addition to general max) | — | — | 1 per center | On premises of business center | — | Table 173.1 Note 5, Table 173.3 Note 1 |
| Directional Sign | 4 ft | 12 sq ft | — | — | 1 per major entrance | Monument/ground sign at entrance | — | Table 173.2, Table 173.3 Note 2, Table 173.4 |

### I-1, I-2

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Ground Sign | 15 ft | 150 sq ft | — | Front: 0 ft; Side: 0 ft | 1 per 300 ft of frontage | Front: 0 ft setback; Side: 0 ft | — | Table 173.3, Table 173.4 |
| Pole Sign | 35 ft | 150 sq ft | — | Front: 0 ft; Side: 0 ft | 1 per 300 ft of frontage | Front: 0 ft setback; Side: 0 ft | — | Table 173.3, Table 173.4 |
| Wall Sign | — | 300 sq ft or 25% of street facade | — | — | — | Attached parallel to wall | — | Table 173.3, 173.04(1), Table 173.4 |
| Projecting Sign | — | — | — | — | — | Attached, projects from wall | — | Table 173.2, 173.04(2), Table 173.4 |
| Banner Sign | — | 5% of street facade or 100 sq ft (whichever is less, for temp sign) | — | — | — | Projecting from building | — | Table 173.2, 173.05(3), Table 173.4 |
| Awning Sign | — | — | — | — | — | On awning | — | Table 173.2, 173.04(4), Table 173.4 |
| Electronic Information Sign | — | — | — | 25 ft from R.O.W.; not within 75-ft arc | — | At least 25 ft from R.O.W.; not within 75-ft arc at corner | — | Table 173.4, 173.05(5) |
| Window Sign | — | — | — | — | — | Displayed inside window | — | Table 173.2, 173.03(4)(C), Table 173.4 |

## Prohibited signs in Denison

- Obsolete Signs: Signs that advertise an activity, business, product or service no longer conducted on the premises on which the sign is located.
- Signs or sign structures which resemble, imitate, simulate, or conflict with traffic control signs or devices included in the Manual of Uniform Traffic Control Devices, which otherwise mislead or confuse persons traveling on public streets, which create a traffic hazard, or which violate any of the provisions of any other applicable State statutes.
- Signs which contain or consist of banners, balloons, posters, pennants, ribbons, streamers, spinners, or other similarly moving devices, except as specifically provided. These devices when not part of any sign are also prohibited.
- Signs which create a safety hazard by obstructing the clear view of pedestrians or vehicles, or which obscure official signs or signals.
- No signs shall be permitted in the public right-of-way or on public property, other than governmental signs and temporary civic signs contingent upon authorization from the Building Official.
- No flashing, blinking, or rotation lights shall be permitted for either permanent or temporary signs.
- No sign shall be permitted any part of which moves by any mechanical means.
- Off-premise signs painted on building walls unless specifically approved as an element of a Special Permit Use.
- Above-peak roof signs.
- Outdoor advertising signs (billboards): New outdoor advertising signs are not permitted within the city limits of the City of Denison.
- No sign may project into or be placed within a vision-clearance area as defined by city code.
- Temporary commercial signs are prohibited in any public right-of-way or property, including streets, sidewalks, parks, and public facilities.
- Temporary signs shall not be attached to any sign pole or light pole on public or private property; or public utility poles or trees on either public or private property.
- Detached temporary signs cannot be placed on public property.
- Temporary signs shall not interfere with any public right-of-way, driveway or access way, or any means of access or egress to any building.
- All signs must be maintained in a good state of repair.
- Illumination must not be directed onto adjoining property or onto a public street or highway.

## Signs exempt from permit in Denison

- Public Signs: Signs of a noncommercial nature and in the public interest, erected by or upon the order of a public officer in the performance of his public duty, such as safety signs, danger signs, trespassing signs, traffic signs, memorial plaques, signs of historical interest and other similar signs, including signs designating hospitals, libraries, schools and other institutions or places of public interest or concern.
- Integral Signs: Signs for churches or temples, or names of buildings, dates of erection, monumental citations, commemorative tablets and other similar signs when carved into stone, concrete or other building material or made of bronze, aluminum, or other permanent type of construction and made an integral part of the structure to which they are attached.
- Window Signs: Such signs that are displayed inside of a window or within a building, provided, however, that neon window signs shall be permitted only in those districts where neon signs are permitted.
- Works of graphic art painted or applied to building walls that contain no advertising or business identification messages.
- Residential signs under 6 square feet in size.
- Neighborhood or subdivision identification signs under 50 square feet.
- Signs not visible from a public right-of-way, private way, or court or from a property other than that on which the sign is installed.

## Sign plan & submission notes

- For projects with an overall site area in excess of 6 acres, an applicant may submit a Sign Master Plan. The plan must detail the size, location, and design of all signs on site. Adjustments to standards are permitted if clearly clarified. Approval is by City Council after review and recommendation by the Planning Commission.
- Sign permits: A sign permit approved by the Building Official is required before the erection, construction, alteration, placing, or locating of all signs conforming with this chapter, except for temporary civic signs.
- Plans and specifications must be submitted to the Building Official for each regulated sign, showing sufficient details to determine compliance.
- When requested by the Building Official, certification of the structural integrity by a registered professional engineer with specialization in structures is required.
- Any person aggrieved by a sign permit decision may appeal to the Board of Adjustment as provided by Chapter 174 of the Zoning Ordinance.

## 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 9 zoning districts in Denison — every sign type, every field — are available with a free PermitPal account: https://app.permitpal.io/?address=Denison+IA&override=true&utm_source=landing&utm_medium=city-page&utm_campaign=city-denison

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