# Sign Regulations in Duncan, Oklahoma

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

- **Jurisdiction:** Duncan, Oklahoma (OK)
- **Canonical page:** https://permitpal.io/sign-regulations/oklahoma/duncan
- **Data last verified:** 2025-04-19

## At a glance

Duncan, Oklahoma regulates 10 sign types across 3 zoning districts. Accessory Signs in the General Regulations For All Zones zoning district are capped at 400 square feet; for every 5 ft above 20 ft in height, reduce sign area by 100 sq ft, with a Minimum 25 ft from front property line of any street right of way setback (Sec. 12-303(A)).

## Sign rules by zoning district (3 zones)

| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
| --- | --- | --- | --- | --- |
| Commercial Zoning Districts, Industrial Zoning Districts | 4 | 35 feet | 65% of the total wall area | — |
| Residential Zoning Districts | 1 | — | 20 square feet | — |
| General Regulations For All Zones | 5 | — | 400 square feet; for every 5 ft above 20 ft in height, reduce sign area by 100 sq ft | — |

## Zone-by-zone sign requirements

### Commercial Zoning Districts, Industrial Zoning Districts

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Wall or Canopy Sign | — | 65% of the total wall area | — | — | One wall or canopy sign per establishment | Attached to building wall or canopy | — | 12-269(A), 12-274(A), 12-280(A) |
| Projecting or Ground Sign - Single | 35 feet | — | — | — | One per lot, unless aggregate requirement for multiple is applied | Ground or projecting sign | — | 12-269(B), 12-274(B), 12-280(B), 12-269(C), 12-274(C), 12-280(C) |
| Projecting or Ground Sign - Multiple | 35 feet | — | — | — | Multiple per lot allowed, subject to combined area | Ground or projecting sign | — | 12-269(B), 12-274(B), 12-280(B), 12-269(C), 12-274(C), 12-280(C) |
| Digital LED Display Sign | — | — | — | Minimum 50 ft from signalized intersection; minimum 20 ft from other intersections; further per district setbacks. | One per business | On any allowed ground or wall sign in Commercial and Industrial Districts | — | 12-378(B) |

### Residential Zoning Districts

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Temporary Advertising Sign (Sale of Land or Homes) | — | 20 square feet | — | — | — | On land or homes being advertised for sale | — | 12-303(B) |

### General Regulations For All Zones

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Accessory Sign | — | 400 square feet; for every 5 ft above 20 ft in height, reduce sign area by 100 sq ft | — | Minimum 25 ft from front property line of any street right of way | — | On premises where associated business or goods are located | — | 12-303(A) |
| Caution Sign (during building/structure moving) | — | — | — | — | — | On all sides of building/structure being moved | — | 5-704 |
| Street Name Sign | — | — | — | — | — | At all intersections throughout City | — | 13-604 |
| School Bus Sign | — | — | — | — | — | On front and rear of vehicle | — | 15-517(A) |
| Stop or Yield Sign | — | — | — | — | — | As close as practicable to nearest line of crosswalk or intersection | — | 15-547 |

## Prohibited signs in Duncan

- It is unlawful to display any sign, emblem, badge, flag or device which is insulting, profane, or abusive to the citizens of the city, and which is calculated, or of which the natural consequence is, to cause a breach of the peace or an assault.
- It is unlawful to willfully use, utter, publish, circulate or distribute any profane, violent, abusive, or insulting language or literature where a natural consequence is to cause a breach of peace or assault, or the language/literature in its common acceptance is calculated to cause such a breach.
- It is unlawful to place, stick, tack, paste, post, paint, mark, write or print any sign, poster, picture, announcement, advertisement, bill placard, device or inscription upon any public or private building, fence, sidewalk, bridge, viaduct, post, automobile, other vehicle or property of another, without the consent of the owner or person in charge.
- Digital signs shall not resemble any warning or danger signal, or any official traffic control device, sign, signal or light.
- Digital signs shall not display an illuminative brightness of such intensity or brilliance that they impair the vision or endanger the safety and welfare of any cyclist or person operating a motor vehicle.

## Signs exempt from permit in Duncan

- Temporary advertising signs no greater than twenty (20) square feet in area advertising the sale of the land or homes on which the signs are located, so long as the signs be forthwith removed upon the sale and conveyance of the land or homes.

## Full detail

Complete sign requirements for Duncan, including every field PermitPal tracks for each sign type, are available with a free PermitPal account: https://app.permitpal.io/?address=Duncan+OK&override=true&utm_source=landing&utm_medium=city-page&utm_campaign=city-duncan

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