# Sign Regulations in Ottumwa, Iowa

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

- **Jurisdiction:** Ottumwa, Iowa (IA)
- **Canonical page:** https://permitpal.io/sign-regulations/iowa/ottumwa
- **Data last verified:** 2025-05-08
- **Source:** [municode municipal code](https://library.municode.com/IA/Ottumwa/codes/Code_of_Ordinances?nodeId=COOR_CH38ZO_ARTXXXISI)

## At a glance

Ottumwa, Iowa regulates 28 sign types across 7 zoning districts. Freestanding Sign (Real Estate)s in the Residential Zones (R-1, R-2, R-3, R-4, R-5) zoning district are capped at 6 feet tall and 12 square feet, with a 10 feet from street, 20 feet from intersecting street (see permit exemption) setback (Sec. Sec. 38-966(a)(1), Sec. 38-964(f)(2)). Most commercial signs in Ottumwa 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 | 4 | — | — | — |
| Residential Zones (R-1, R-2, R-3, R-4, R-5) | 9 | 6 feet | 60 square feet | — |
| C-1 Neighborhood Commercial Zone | 4 | 26 feet | 200 square feet (max aggregate), 48 square feet (min aggregate) | — |
| C-2 Commercial District Zone | 4 | 26 feet | 225 square feet (total aggregate) | — |
| C-3 Commercial Mixed-Use District | 2 | 20 feet | Aggregate: 120 square feet; Individual sign face: 24 square feet | — |
| C-4 Downtown Mixed-Use District | 5 | — | 150 square feet per building | — |
| I-1 Light Industrial Zone, I-2 General Industrial Zone | 2 | 25 feet | 200 square feet | — |

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

### Residential Zones (R-1, R-2, R-3, R-4, R-5)

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Freestanding Sign (Real Estate) | 6 feet | 12 square feet | — | 10 feet from street, 20 feet from intersecting street (see permit exemption) | One per lot | On premises being advertised | — | Sec. 38-966(a)(1), Sec. 38-964(f)(2) |
| Identification Sign (Owner/Tenant/No Trespassing) | — | 1 square foot | — | — | — | On property | — | Sec. 38-966(a)(2) |
| Announcement/Bulletin Board Sign (Institutional Use) | — | 24 square feet | — | 20 feet from the property line (or building line if closer) | — | Premises of charitable, religious, or public institution | — | Sec. 38-966(a)(3) |
| Identification Sign (Multi-Family Residential) | — | 20 square feet | — | 20 feet from property line (or contiguous to building line with admin approval) | One per building | On property for apartment buildings with 3 or more units, boardinghouses, or lodginghouses (R-3, R-4, R-5, C-1) | — | Sec. 38-966(a)(5) |
| Identification Sign (Non-Residential Use) | — | 10 square feet | — | — | One per establishment | Per establishment | — | Sec. 38-966(a)(6) |
| Bulletin Board (Church/School/Institutional/Public Building) | — | 24 square feet | — | Minimum 20 feet from property line or contiguous to building line if closer | One per building | Same lot as building | — | Sec. 38-966(a)(7) |
| Bulletin Board Sign (School Building) | — | 60 square feet | — | — | One per school | Same lot as building | — | Sec. 38-966(a)(8) |
| Permanent Identification Sign (Subdivision) | — | 10 square feet (sign), 14 square feet per structural support (max 2 supports) | — | — | One per subdivision | At entrance or on common ground of subdivision (with 5 or more lots) | — | Sec. 38-966(a)(9) |

### C-1 Neighborhood Commercial Zone

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| All Residential Zone Signs | — | — | — | — | — | — | — | Sec. 38-966(b)(1) |
| Aggregate Signage (Wall/Freestanding) | — | 200 square feet (max aggregate), 48 square feet (min aggregate) | — | — | — | On premises, frontage facing public street | — | Sec. 38-966(b)(2), (5) |
| Freestanding/Post Sign | 26 feet | 100 square feet per side, maximum two sides | — | 5 feet from ROW; if less than 12 ft height, 20 ft from street ROW | One per premises | At least 5 feet from right-of-way, at least 20 ft from street lot line; may be within 5 ft of property line if at least 12 ft above grade; for ground sign or lower post sign, subject to admin approval | — | Sec. 38-966(b)(4), (5) |
| Directional Sign | — | 4 square feet | — | — | Two per driveway | Max two per driveway | — | Sec. 38-966(b)(4)e |

### C-4 Downtown Mixed-Use District

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Wall Sign (Parallel) | — | 150 square feet per building | — | — | — | Flat/applied to sign board or facade; below second story window level unless historic evidence otherwise | — | Sec. 38-966(e)(4), (7), (10), (11), (12) |
| Wall Sign (Perpendicular/Blade/Projecting) | — | 4 feet width max; thickness max 3 in | 4 feet | — | — | Perpendicular to building; mounted perpendicular to storefront; at least 8 ft above sidewalk | — | Sec. 38-966(e)(13) |
| Window Sign | — | 30% (individual guideline), up to 75% in expanded guideline (14b) | — | — | — | On the inside surface of window or door, centered vertically and horizontally | — | Sec. 38-966(e)(5), (14) |
| Sandwich Board Sign | — | — | — | — | — | Frontage of business it advertises, on public sidewalk in C-4 or Five Corners area | — | Sec. 38-966(e)(17) |
| Ground Sign | — | — | — | 12 feet between sign and building | — | Only allowed where other signage inadequate and scale complements adjacent properties; must provide 12 ft horizontal clearance to building | — | Sec. 38-966(e)(15), (16f) |

## Prohibited signs in Ottumwa

- No sign shall be painted, placed, posted, printed, tacked, fastened, constructed, erected, maintained or otherwise permitted except as provided by this article.
- No sign shall be erected, constructed, painted, or printed without a sign permit.
- It is unlawful to erect, alter, or relocate any sign or advertising structure without first obtaining a sign permit.
- No sign shall be placed in a manner which interferes with vehicular traffic or projects a traffic hazard.
- No sign shall be erected in such a manner as to obstruct free and clear vision or where, by reason of position, shape, or color, may interfere with or be confused with any authorized traffic sign, signal, or device.
- Whenever any sign is illuminated, the lights shall be shaded or concealed so they do not interfere with the vision of motorists or shine directly on adjoining property.
- Portable signs are prohibited except as allowed for under temporary signs.
- No person may engage in activity that increases the extent of nonconformity of a nonconforming sign, including enlarging or altering to aggravate the nonconforming condition.
- No illumination may be added to any nonconforming sign.
- A nonconforming sign may not be moved, except to bring it into complete conformity.
- Alterations or additions to signage on property containing nonconforming signs are prohibited until complete compliance is obtained.
- Obsolete sign faces must be removed within 60 days of business closure on that site.
- Flashing, blinking, revolving, or rotating lights are prohibited.
- Painted signage is prohibited on bare masonry (in C-4 district, except historic repaints as approved).
- Billboards are not allowed on the roofs of buildings.
- Political signs are not permitted on public property, in any public right-of-way, or on property under corporate ownership.
- It is unlawful to place political signs on private property without the property owner's permission.
- Political signs cannot be placed such that they constitute a traffic hazard or detriment.

## Signs exempt from permit in Ottumwa

- Real estate signs advertising the sale, rental, or lease of the premises upon which they are located, not exceeding 12 square feet and with specified setbacks.
- Signs denoting the architect, engineer, contractor, lending institution, or future occupant placed upon work under construction.
- Memorial signs or tablets, names of buildings, and date of erection when cut into masonry or constructed of bronze materials.
- Traffic or other municipal signs, legal notices, railroad crossing signs, danger, and temporary, emergency, or non-advertising signs as approved by the city council.
- Signs or notices required to be displayed or posted by law or by any court or governmental order, rule, or regulation.
- Official flags or emblems, limit one each of a nation, state, or city; plus one private flag per lot with limitations.
- Signs located within a building.
- Signs applied directly onto vehicles used in the normal course of business and not primarily to display the sign.
- Signs on business premises indicating desired pedestrian or vehicular traffic flow (e.g. 'Enter', 'Exit', etc.) not exceeding six square feet each, limited to two per driveway, and not including advertising copy.
- Political signs announcing or supporting candidates or issues placed in connection with elections, per state law, but not on public or corporate property.
- Holiday lights and decorations, excluding promotional signs.
- Yard sale signs (with owner consent, and not on utility poles or public right-of-way).
- Home occupation signs that are not illuminated, measure not more than two square feet, and are mounted flat against the principal building (one per property).
- Temporary signs for drives or events of civic, philanthropic, educational, or religious organizations, displayed only during the event, up to 30 days before and removed within three days after (maximum of two signs per property).
- Special event signs.
- State department of transportation logo business signs (with size and approval limitations).

## Sign plan & submission notes

- Requests for variances from sign requirements must be filed with the zoning board of adjustment.
- Appeals concerning sign safety, security, or physical construction may be made to the planning and development department; other appeals (size, location, area) to the zoning board of adjustment.
- Temporary signs in certain zones (C-1, C-2, C-3, C-4, I-1, I-2) in excess of maximum aggregate sign area require an administrative conditional use permit.
- Murals/artwork are permitted through a conditional use permit issued by the zoning board of adjustments (in C-4 district).
- Replacement of detached signage in the C-4 district after adoption of standards requires a conditional use permit by the zoning board of adjustment.
- The total signage per building in C-4 district shall not exceed 150 square feet, unless approval is granted from the zoning administrator for an administrative exception or by conditional use permit by the zoning board of adjustment.

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

---

PermitPal — AI sign code research. Full HTML page: https://permitpal.io/sign-regulations/iowa/ottumwa