# Sign Regulations in Sibley, Iowa

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

- **Jurisdiction:** Sibley, Iowa (IA)
- **Canonical page:** https://permitpal.io/sign-regulations/iowa/sibley
- **Data last verified:** 2026-01-07
- **Source:** [other municipal code](https://drive.google.com/file/d/1OEyylWGOI6-Tu4hRcqpZ5Y54GWt_GLyZ/view?usp=drive_link)

## At a glance

Sibley, Iowa regulates 38 sign types across 5 zoning districts. Exempt Sign – Bulletin Board / Announcement Sign / Electronic Message Board (Institutional Premises)s in the General Regulations For All Zones zoning district are capped at 6 ft maximum height tall and 32 sq ft maximum area, with a Minimum 15 ft from all street lines. setback (Sec. Sec. 18.8(7)). Most commercial signs in Sibley require a permit.

## Sign rules by zoning district (5 zones)

| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
| --- | --- | --- | --- | --- |
| Agricultural (AG) District, Conservation (CN) District | 1 | — | — | — |
| Residential Districts (RS-1, RS-2, RM & MH) | 3 | — | 16 sq ft maximum sign area | — |
| Neighborhood Commercial District (NC) | 2 | — | 100 sq ft maximum sign area | — |
| Arterial Commercial (AC) District, Business Commercial (BC) District, Light Industrial (LI) District, Heavy Industrial (HI) District | 7 | May not project above the roofline more than four feet (4'). | 24 sq ft maximum area in non-residential districts. | — |
| General Regulations For All Zones | 27 | Minimum 10 ft above grade where located over public rights-of-way or access routes. | 100 sq ft if sign projects more than 12 inches beyond surface; 250 sq ft if sign projects 12 inches or less. | — |

## Zone-by-zone sign requirements (sample of 3 of 5 zones)

### Residential Districts (RS-1, RS-2, RM & MH)

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| All Sign Types (General Allowance) | — | — | — | Signs shall not encroach or extend over public right-of-way. | — | Within RS-1, RS-2, RM, MH residential districts; must not encroach or extend over public right-of-way; must not be posted on rocks, fences, trees, perennial plants, or public utility poles. | — | Sec. 18.3(2)(a)-(f); Sec. 18.1; Sec. 18.7; Sec. 18.8 |
| Signs for Non-Residential Uses in Residential Districts | — | 16 sq ft maximum sign area | — | Minimum 15 ft from the street property line. | — | On lots with non-residential uses within RS-1, RS-2, RM, MH districts. | — | Sec. 18.3(2)(g) |
| Home Occupation Sign | — | 4 sq ft maximum sign area | — | — | — | Must be attached to the principal building on the lot with a home occupation in residential districts. | — | Sec. 18.3(2)(i) |

### Arterial Commercial (AC) District, Business Commercial (BC) District, Light Industrial (LI) District, Heavy Industrial (HI) District

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Off-Premises Sign / Billboard (AC, LI, HI only) | — | — | — | Must comply with the setbacks of the district in which they are located. | — | Within AC, LI, or HI districts; must comply with district setbacks and be located consistent with state and federal highway sign regulations where zoning exists. | — | Sec. 18.3(3)(a)-(b), (c)-(h); Sec. 18.7 |
| On-Premises Use Identification Signs (Building-Mounted and Freestanding) | — | Per building wall: 2 sq ft per linear foot of wall; total aggregate for zoning lot: 250 sq ft maximum. | — | Signs shall not encroach or extend over public right-of-way. | — | On buildings and on-site within AC, BC, LI, HI for principal permitted uses. | — | Sec. 18.3(3)(i)-(l), (h); Sec. 18.7 |
| Wall-Mounted Sign | May not project above the roofline more than four feet (4'). | Subject to 2 sq ft per linear foot of wall and 250 sq ft aggregate cap. | — | — | — | Mounted on exterior walls of buildings within AC, BC, LI, HI. | — | Sec. 18.3(3)(j)-(l), (m); Sec. 18.7 |
| Free Standing Sign (On-Premises) | — | Subject to 2 sq ft per linear foot of wall (for building’s use identification signs) and 250 sq ft aggregate cap for all signs on zoning lot; no zone-specific area per sign stated. | — | Must be entirely on private property; cannot overhang or be located on public right-of-way or public/private easements; must also meet district setback requirements if specified elsewhere in the zoning ordinance. | — | Freestanding on private property in AC, BC, LI, HI districts. | — | Sec. 18.3(3)(o); plus general lighting/visibility rules 18.3(3)(c)-(g); Sec. 18.7 |
| Directional / On-Site Directional Signs (Commercial & Industrial Use) | — | — | — | Must not encroach or extend over public right-of-way. | — | On-site within AC, BC, LI, HI, used to provide directions on the lot. | — | Sec. 18.3(3)(i)(b); Sec. 18.8(10) |
| Real Estate Sign (On-Premises, Commercial/Industrial Property) | — | 24 sq ft maximum area in non-residential districts. | — | — | Maximum 3 real estate signs per zoning lot. | On the property being sold, rented, or leased within AC, BC, LI, HI. | — | Sec. 18.3(3)(i)(c) (allowed category); Sec. 18.8(1) |
| Service Station Signs | — | 3 sq ft per lineal foot of street frontage on one street, not to exceed 300 sq ft total for all signs. | — | — | — | On service station properties within AC, BC, LI, HI districts. | — | Sec. 18.3(3)(n) |

### General Regulations For All Zones

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| All Signs – General Size Limits (AG, AC, BC, LI, HI) When Attached to Structures or Poles | — | 100 sq ft if sign projects more than 12 inches beyond surface; 250 sq ft if sign projects 12 inches or less. | — | — | — | AG, AC, BC, LI, HI districts, attached to buildings, structures, or poles. | — | Sec. 18.6(1) |
| All Signs – Clearance Over Public Access Routes | Minimum 10 ft above grade where located over public rights-of-way or access routes. | — | — | — | — | Any sign located over public rights-of-way or any public or private access route (sidewalk, mall, etc.). | — | Sec. 18.6(3) |
| Electronic Message Board / LED / Scrolling Marquee / Time and Temperature Signs | — | — | — | Additional setbacks may be required when within 100 ft of residential dwellings. | — | Permitted only within AC, BC, LI or HI zoning districts. | — | Sec. 18.6(6) |
| Prohibited Sign – Encroaching on / Overhanging Public Right-of-Way | — | — | — | Must be outside and not overhang public right-of-way unless a specific exception is granted elsewhere in the ordinance. | — | Within or over public right-of-way citywide. | — | Sec. 18.5(3) |
| Exempt Sign – Real Estate Sign | — | 6 sq ft max in residential districts; 24 sq ft max in other districts. | — | — | Maximum 3 per zoning lot. | On property being sold, rented, or leased (all districts). | — | Sec. 18.8(1) |
| Exempt Sign – Construction Sign | — | 32 sq ft maximum area | — | — | One per major street the project abuts. | Confined to the site of the construction, alteration, or repair. | — | Sec. 18.8(3) and 18.8(11) |
| Exempt Sign – Bulletin Board / Announcement Sign / Electronic Message Board (Institutional Premises) | 6 ft maximum height | 32 sq ft maximum area | — | Minimum 15 ft from all street lines. | — | On the premises of charitable, religious, and public institutions. | — | Sec. 18.8(7) |
| Exempt Sign – Directory Sign (Wall-Mounted) | — | 4 sq ft of area per business or occupant | — | — | One directory sign per zoning lot. | On a wall sign on the zoning lot. | — | Sec. 18.8(9) |

## Prohibited signs in Sibley

- No sign shall be erected, constructed, altered, or modified except as regulated by this article and after a permit is issued by the Zoning Administrator, except for exempt or temporary signs not required to obtain a sign permit (Section 18.1).
- In all districts, signs and billboards shall adhere to pertinent state regulations and other local ordinances (Section 18.4).
- Signs shall not resemble, imitate, or approximate the shape, form, or color of traffic or railroad signs, signals, or devices, or use such words as 'STOP, LOOK, DANGER, GO SLOW, CAUTION OR WARNING' (Section 18.5(1)).
- Signs shall not obstruct or interfere with the effectiveness of traffic or railroad signs, signals, or devices (Section 18.5(1)).
- No sign shall be erected, relocated, or maintained so as to prevent free ingress or egress from any door, window, or fire escape (Section 18.5(1)).
- No sign shall be attached to a standpipe or fire escape (Section 18.5(1)).
- No sign shall be placed so as to obstruct or interfere with traffic visibility (Section 18.5(1)).
- Signs painted directly on building walls are prohibited, except necessary traffic directional signs not more than 3 square feet in area (Section 18.5(2)).
- Except as provided elsewhere in this code, signs encroaching upon or overhanging public right-of-way are prohibited (Section 18.5(3)).
- No sign shall be attached to any utility pole, light standard, tree, or any other public facility located within the public right-of-way (Section 18.5(3)).
- Portable signs on trailers used to display a business use are prohibited; only portable or trailer signs on a temporary basis or for special events are permitted (Section 18.5(4)).
- All signs shall be fixed and shall not be audible (Section 18.5(5)).
- No signs shall have moving parts, including devices set in motion by movement of air (Section 18.5(5)).
- Any sign attached to, placed on, or painted on a vehicle or trailer and parked on public or private property for advertising purposes is prohibited, except for identification of a firm or its principal products on a vehicle operating during the normal course of business or when parked at the owner's residence (Section 18.5(6)).
- Any sign that impedes the use of a public street or sidewalk is prohibited (Section 18.5(7)).

## Signs exempt from permit in Sibley

- Real estate signs announcing the owner, manager, realtor, or other person directly involved in the sale or rental of the property are allowed without a sign permit anywhere in the city, subject to size and quantity limits by district (Section 18.8(1)).
- Professional name plates not exceeding one square foot in area and attached to the principal building are allowed without a sign permit (Section 18.8(2)).
- Signs denoting the architect, engineer, or contractor when placed upon work under construction and not exceeding 32 square feet in area are allowed without a sign permit (Section 18.8(3)).
- Memorial signs or tablets, names of buildings, and date of erection when cut into masonry or constructed of bronze or other non-combustible materials are allowed without a sign permit (Section 18.8(4)).
- Traffic or other municipal signs, legal notices, railroad crossing signs, danger signs, and other temporary, emergency, or non‑advertising signs as approved by the Board of Adjustment are allowed without a sign permit (Section 18.8(5)).
- Political campaign (yard) signs meeting Section 68A.406 of the Code of Iowa, confined to private property and not attached to trees, utilities, or rocks, and within the stated time limits, are allowed without a sign permit (Section 18.8(6)).
- Bulletin boards, announcement signs, or electronic message board signs on the premises of charitable, religious, and public institutions, within stated size, height, and setback limits, are allowed without a sign permit (Section 18.8(7)).
- Government signs of a public, non‑commercial nature (including safety signs, danger signs, trespassing signs, traffic signs, signs indicating scenic or historical points of interest, memorial plaques, and similar signs) erected by or on order of a public officer or employee in the performance of official duty are allowed without a sign permit (Section 18.8(8)).
- Directory wall signs identifying businesses, owners, managers, or occupants and containing no advertising, with one directory sign per zoning lot and area limits, are allowed without a sign permit (Section 18.8(9)).
- On‑site directional and parking signs intended to facilitate movement of vehicles and pedestrians on the same lot, not exceeding four square feet in area, are allowed without a sign permit (Section 18.8(10)).
- Construction signs announcing architects, engineers, contractors, future use, and other individuals or firms involved with construction, alteration, or repair (without product advertising), confined to the construction site, within stated size, duration, and quantity limits, are allowed without a sign permit (Section 18.8(11)).
- All signs required by law are permitted in all districts (Section 18.6(5)).

## Sign plan & submission notes

- A sign permit is required before erecting, altering, or relocating any sign or advertising structure within the city, except for exempt or temporary signs not required to obtain a sign permit (Section 18.1 and Section 18.7).
- Applications for a sign permit must include location of the sign structure, names and addresses of the sign owner and erector, drawings showing design, size, and location, and any other information the Zoning Administrator requires (Section 18.7(1)).
- For signs located along a State primary highway, a State sign permit must also be included with the city sign permit application (Section 18.7(1)).
- Animated signs may be allowed only as a conditional use after a hearing before the Board of Adjustment (Section 18.6(9)).
- Any sign type may be granted conditional use status after review by the Board of Adjustment and subject to conditions imposed by the board (Section 18.9).
- Sign variances for nonconforming signs require application to the Board of Adjustment for a sign permit, including proposed location, description, dimensions, lighting, and moving parts, if any (Section 18.10).
- Upon receipt of a sign variance application, the Board of Adjustment must schedule a public hearing with at least seven days' notice to the applicant (Section 18.10(3)(a)).
- The Board of Adjustment may prescribe conditions and safeguards when granting any sign variance (Section 18.10(3)(c)).
- Any person aggrieved by a decision or order of the Zoning Administrator relating to signs may appeal to the Board of Adjustment, which will hold a hearing and decide the appeal within the specified timeframes (Section 18.10(4)).

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

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