Sign Regulations in Marshalltown, Iowa
Marshalltown, Iowa has specific sign regulations covering 24 sign types across 5 zoning districts. Regulated sign types include Window Sign, Monument Sign, Access Sign. Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.
Data last verified: June 17, 2025
Sign Regulation Overview for Marshalltown, Iowa
Sample Sign Requirements in Marshalltown
| Sign Type | Max Height | Max Area | Setback |
|---|---|---|---|
| Wall Sign - Home-Based Business | The eaveline or the bottom of the second story window sill, whichever is lower. | 1 sq. ft. | — |
| Wall Sign - Group Living | The eaveline or the bottom of the second story window sill, whichever is lower. | 1 sq. ft. | — |
| Window Sign | — | 10% of window area or 2 sq. ft., whichever is less | — |
* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.
PermitPal Coverage for MarshalltownFull Coverage
Sign Types Covered
24
- Window Sign
- Monument Sign
- Access Sign
- Wall Sign - Home-Based Business
- +2 more types
Zoning Districts
5
Different zoning districts with specific sign regulations
Data Includes
- Permit requirements
- Height restrictions
- Illumination rules
Official Resources for Marshalltown
Other Cities in Iowa
Frequently Asked Questions
In Marshalltown, wall signs can be up to The eaveline or the bottom of the second story window sill, whichever is lower.. Height limits vary by zoning district and sign type. Use PermitPal to get exact requirements for your specific location.
To get a sign permit in Marshalltown, submit an application to the local building or planning department with sign dimensions, location, and design specifications. Our data confirms permits are required for most commercial signs. Processing typically takes 1-4 weeks. PermitPal helps you identify specific requirements and prepare complete applications.
In Marshalltown, regulated sign types include Window Sign, Monument Sign, Access Sign, Wall Sign - Home-Based Business, and 2 more types. Most commercial signs require permits. Temporary signs and certain small signs may be exempt. Use PermitPal for specific exemptions.
Sign setback requirements in Marshalltown vary by zone and sign type, typically ranging from 5-15 feet from property lines. Use PermitPal for specific setback requirements at your location.
Digital and LED signs in Marshalltown are regulated with specific requirements for brightness, animation, and message duration. Marshalltown has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.
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Marshalltown, Iowa Sign Rules at a Glance
Marshalltown, Iowa regulates 24 sign types across 5 zoning districts. Monument Signs in the Agricultural (AG), Rural Residential (RR), Low-Density Residential (RL), Medium Density Residential (RM), High-Density Residential (RH) zoning district are capped at No max height for AG, RR, RL, RM, RH. For PI, REC: not specified. tall and No max area specified for AG, RR, RL, RM, RH. For PI, REC: up to 200 sq. ft., with a 10 ft. setback (Sec. § 156.G.004, Table 156.G.004-3). Most commercial signs in Marshalltown require a permit.
Detailed Sign Ordinance Requirements for Marshalltown, Iowa
Sign Rules by Zoning District in Marshalltown (5 zones)
| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
|---|---|---|---|---|
| Agricultural (AG), Rural Residential (RR), Low-Density Residential (RL), Medium Density Residential (RM), High-Density Residential (RH) | 6 | Maximum height: 4 ft. | No max area specified for AG, RR, RL, RM, RH. For PI, REC: up to 200 sq. ft. | — |
| Mixed-Use (MU), Urban Core (UC), General Commercial (GC), General Industrial (GI), Planned Unit Development (PUD), Public and Institutional (PI), Recreational (REC) | 14 | Varies by district; see Table 156.G.004-2 | Total sign area: per formula. (If setback from street is 150 ft. or more, 2 sq. ft. per linear foot of primary wall frontage allowed) | — |
| Urban Core Historic District Overlay (UC-HD) | 4 | Minimum clearance 8 ft. above sidewalk/walkway, 20 ft. above street | 15% of window area or 9 sq. ft. | — |
| Floodway Overlay District, Floodway Fringe Overlay District, General Floodplain Overlay District | 1 | — | — | — |
| General Regulations For All Zones | 2 | — | As specified per sign type (e.g., government, flags 15 sq. ft., address signs 4 sq. ft.) | — |
Zone-by-Zone Sign Requirements in Marshalltown(sample of 3 of 5 zones)
Agricultural (AG), Rural Residential (RR), Low-Density Residential (RL), Medium Density Residential (RM), High-Density Residential (RH)
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Wall Sign - Home-Based Business | The eaveline or the bottom of the second story window sill, whichever is lower. | 1 sq. ft. | — | — | 1 per home-based business | Affixed to the dwelling unit | — | Unlock | § 156.G.004, Table 156.G.004-2 |
| Wall Sign - Group Living | The eaveline or the bottom of the second story window sill, whichever is lower. | 1 sq. ft. | — | — | 1 per premise | Affixed to the dwelling unit | — | Unlock | § 156.G.004, Table 156.G.004-2 |
| Window Sign | — | 10% of window area or 2 sq. ft., whichever is less | — | — | 1 per dwelling unit | On or within windows of residential dwellings | — | Unlock | § 156.G.004, Table 156.G.004-2 |
| Monument Sign | No max height for AG, RR, RL, RM, RH. For PI, REC: not specified. | No max area specified for AG, RR, RL, RM, RH. For PI, REC: up to 200 sq. ft. | — | Minimum setback: 10 ft. | 1 per street frontage (AG, RR, RL, RM, RH); 1 per entrance, not more than 2 total (PI, REC) | Yard (front or entrance) | — | Unlock | § 156.G.004, Table 156.G.004-3 |
| Access Sign | Maximum height: 4 ft. | 4 sq. ft. per sign | — | — | No more than 3 per principal use | At the entry or exit of a vehicle use area or driveway | — | Unlock | § 156.G.004, Table 156.G.004-3 |
| Temporary Signs (Banner, Yard, L-frame, Freestanding Development Sign) | Yard: 4 ft.; L-frame: 6 ft.; Freestanding Development: 8 ft. | Banner: --; Yard: 6 sq. ft. per side; L-frame: 9 sq. ft.; Freestanding Development: 48 sq. ft. | — | Yard Sign min. setback 6 ft.; L-frame min. setback 6 ft., 20 ft. from intersection; Freestanding Development min. setback 10 ft. | Varies by type: Yard: no maximum, see max area; L-frame: 1 per frontage; Freestanding Development: 1 per lot | On property in accordance with setback and placement in Table 156.G.006-1 | — | Unlock | § 156.G.006, Table 156.G.006-1 |
Mixed-Use (MU), Urban Core (UC), General Commercial (GC), General Industrial (GI), Planned Unit Development (PUD), Public and Institutional (PI), Recreational (REC)
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Wall Sign | The eaveline or building parapet wall | Total sign area: per formula. (If setback from street is 150 ft. or more, 2 sq. ft. per linear foot of primary wall frontage allowed) | — | — | No maximum number, subject to aggregate area restrictions | Building wall | — | Unlock | § 156.G.004, Table 156.G.004-2; § 156.G.004(H) |
| Awning Sign | Minimum clearance 8 ft. above grade | Per formula | — | — | 1 per building front or per storefront | Fabric awnings attached to building; may project over sidewalk or right-of-way with permit | — | Unlock | § 156.G.004, Table 156.G.004-2; § 156.G.004(I) |
| Canopy Sign (Attached) | Varies by district; see Table 156.G.004-2 | Per formula | — | — | 1 per building front or per storefront | Attached to canopy over building entrance | — | Unlock | § 156.G.004, Table 156.G.004-2 |
| Projecting Sign | Minimum clearance 8 ft. above sidewalk/walkway, 20 ft. above street | Per formula or 16 sq. ft. | Maximum distance from wall: 4 ft. (no more than half the distance to property line in UC, UC-HD). | — | 1 per building or per 20 ft. of building frontage if multiple occupants | Perpendicular to building facade | — | Unlock | § 156.G.004, Table 156.G.004-2 |
| Directory Sign | 10 ft. | Max. 100 sq. ft. | — | 0 ft. | 1 per property | On property of multi-tenant building | — | Unlock | § 156.G.004, Table 156.G.004-3 |
| Monument Sign | MU/UC: 6 ft.; GC: 25 ft.; GI: 35 ft. | MU/UC: 50 sq. ft.; GC: <200 ft frontage = 50 sq. ft.; >200 ft frontage = 75 sq. ft.; PI/REC: 200 sq. ft.; GI: 75 sq. ft. | — | 10 ft. | 1 per street frontage | Street frontage | — | Unlock | § 156.G.004, Table 156.G.004-3 |
| Pylon (or Pole) Sign | GC: 30 ft.; PI/REC: 20 ft.; GI: 30 ft. | Per formula; see max above | — | 10 ft. | 1 per frontage | Street frontage | — | Unlock | § 156.G.004, Table 156.G.004-3 |
| Temporary Signs (Banner, Feather, Balloon, Yard, L-Frame, Freestanding Development, Portable, etc.) | Feather: 8 ft.; Balloon: 20 ft.; L-frame: 6 ft.; Freestanding Development: 8 ft.; Portable: 6 ft. | Banner: 48 sq. ft. (MU, UC, GC, GI), 100 sq. ft. (GC); Feather: 24 sq. ft.; Balloon: 50 sq. ft. (GC, GI); Yard: 9 sq. ft. per side (GC, GI); L-frame: 9 sq. ft.; Freestanding Development: 48 sq. ft. (MU) and 2 per frontage (GC); Portable: 50 sq. ft. | — | Varies; some require minimum setbacks (e.g., L-frame 6 ft., 20 ft. from intersection). | See table; usually limited by frontage and/or cycles per year | On property in accordance with setback and placement in Table 156.G.006-1 | — | Unlock | § 156.G.006, Table 156.G.006-1; § 156.G.006(D) |
Urban Core Historic District Overlay (UC-HD)
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Wall Sign (UC-HD) | The eaveline or building parapet wall | Per formula | — | — | No maximum, subject to aggregate area limits | Storefront/primary building facade | — | Unlock | § 156.G.004, Table 156.G.004-2; § 156.D.008; § 156.G.004(H) |
| Projecting Sign (UC-HD) | Minimum clearance 8 ft. above sidewalk/walkway, 20 ft. above street | Per formula | No more than half the distance from the building facade into the public right-of-way | — | 1 per building or per 20 linear feet | Perpendicular to building facade | — | Unlock | § 156.G.004, Table 156.G.004-2; § 156.G.004(H) |
| Window Sign (UC-HD) | — | 15% of window area or 9 sq. ft. | — | — | 1 per window | Window, interior or applied | — | Unlock | § 156.G.004, Table 156.G.004-2; § 156.D.008(D)(8) |
| Marquee Sign (UC-HD) | 4 ft. from lowest to highest supported point | As above | May not project more than 6 ft. from building | — | 1 per facade | Over entry, projecting horizontally | — | Unlock | § 156.G.004, Table 156.G.004-2; § 156.G.004(H) |
PermitPal covers all 5 zoning districts in Marshalltown — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.
See all 5 zones for Marshalltown — start freeProhibited Signs in Marshalltown
- It is unlawful for any person to erect, construct, enlarge, move, or convert any sign within the city without first obtaining a sign permit issued in accordance with Subsec. 156.J.004.4, Sign Permit, except as otherwise provided.
- Abandoned signs are prohibited.
- Damaged or broken signs are prohibited.
- Wall signs are prohibited on single-family or duplex units, except that one wall sign not exceeding one square foot shall be permitted on each single-family dwelling or duplex unit.
- Wall, pylon, or monument signs that function as an advertising sign (off-premise advertising) are prohibited, except as expressly provided.
- Signs that obstruct the view of bicyclists or motorists using any street, approach to any street intersection, or which interfere with the effectiveness of or obscure any traffic sign, device, or signal are prohibited.
- Signs with flashing or intermittent lights or reflective devices of changing degree in intensity or color that do not comply with § 156.G.005, Sign Illumination are prohibited.
- Portable signs are prohibited except as permitted in § 156.G.006, Temporary Signs.
- Vehicular signs are prohibited (see definitions and restrictions on signs attached to vehicles).
- All off-premise advertising signs and other signs not expressly permitted by this Zoning Ordinance are prohibited.
- Signs that interfere with, obstruct the view of, or may be confused with any authorized traffic sign, signal, or device because of its position, shape, or color are prohibited.
- Signs that constitute a hazard to safety or health by reason of inadequate design, construction, repair, or maintenance are prohibited.
- Signs that use the words 'stop', 'look', 'go slow', 'caution', 'danger', 'warning', or similar words or symbols that mislead or confuse are prohibited.
- Signs that are illuminated with lights that cause glare into or upon surrounding property or that distract operators of vehicles or pedestrians on a public right-of-way are prohibited.
- Signs that contain reflectors, lights, or illuminations that flash, move, rotate, scintillate, blink, flicker, vary in intensity or color, or use intermittent electrical pulsation are prohibited.
- Signs that have visible moving, revolving, or rotating parts or visible mechanical movement of any kind, achieved by electrical or mechanical means (except for compliant changeable copy signs), are prohibited.
- Signs that emit sound, smoke, heat, or odor are prohibited.
- Awnings that are back-lit and/or made of plastic or vinyl (excluding substitute materials) are prohibited.
- Unfinished wood support structures for signs are prohibited, except stake signs may use unfinished stakes.
- Bare light bulbs and flashing lights are prohibited, except on exempted holiday displays.
- Signs that advertise a business or product that is no longer in existence (closed businesses) are prohibited.
- Signs that prevent free ingress to or egress from any door, window, fire escape, or any other exit required by code are prohibited.
- Permanent signs and supports are prohibited in the public right-of-way, except those required by a governmental authority.
- Signs may not be placed at street intersections so as to obstruct free and clear vision.
- Roof signs are prohibited (placement on the roof of any building).
- Snipe signs or signs attached to or located upon outdoor exposed amenities, such as trees, street signs, or utility poles visible from any street, are prohibited.
- Signs painted on or attached to a motor vehicle that is not operable and registered, or is used primarily to display a sign, are prohibited.
- Except for permitted marquee, projecting, or hanging signs, signs that are located on, or project or extend over, any public right-of-way or other public property are prohibited.
- Signs painted on or attached to semi-trailers, shipping containers, or portable storage units, except for the brand name, are prohibited.
- Signs placed on private or public property without the consent of the owner or authorized agent are prohibited.
- No permanent sign shall be located in any public utility easement nor within five feet of any underground public utility.
- Signs must not be installed or maintained in a way that violates wind load requirements as specified in the International Building Code.
- Signs displaying no message for more than 90 days are considered 'abandoned signs' and are prohibited.
Exempt Signs in Marshalltown
- Routine maintenance of signs, not involving structural changes, does not require a sign permit.
- Changes of message, either manually or electronically, on an electronic message sign or changeable copy sign do not require a sign permit (subject to limitations on the frequency of message changes).
- Signs incorporated into and designed as part of an ATM (limited to the term 'ATM' and financial institution's name and logo) are exempt from permit requirements.
- Three or fewer ancillary signs, including 'no trespassing' signs less than four square feet, placed on the door or exterior wall or window and no larger than four square feet in total, are exempt.
- Art and murals not containing commercial messaging are exempt; UC district murals are exempt if not on a primary facade.
- Signs on the field side of scoreboards and fences of athletic fields, each not exceeding 32 square feet, are exempt.
- Flags not exceeding 15 square feet (but not including painted or printed images of flags constituting a sign) are exempt.
- Ghost signs or rehabilitated ghost signs are exempt.
- Government signs for traffic control, emergency notifications, and those erected by the city as part of a governmental function are exempt; all government signage is exempt from any fee charged related to permits.
- Grave markers, statues, or sculptures not commercial in nature are exempt.
- Holiday signs, as defined, installed no more than 35 days prior to the holiday and removed within 15 days after, are exempt.
- Interior signs not visible from a public or private street are exempt.
- Addresses and names of buildings, printed on a mailbox or as street marking, not exceeding four square feet, are exempt.
- Menu boards for drive-in or drive-through restaurants (up to two per drive aisle, each not exceeding 50 square feet, with certain audio and placement standards) are exempt.
- Plaques, tablets, or names of buildings and date of erection when cut into a surface or flush-attached, and commemorative plaques or monuments placed by historical organizations, are exempt.
- Signs on private property containing no advertising that direct traffic, warn of obstacles, or control parking, not exceeding six square feet and four feet in height, are exempt.
- Property identification signs at acreage or residential property entrances are exempt.
- Signs on railroad property in reference to the operation of the railway are exempt.
- Signs approved by the city in a city park or recreational area are exempt.
- Sidewalk signs in the UC and MU districts do not require a permit, provided they conform to requirements (removal after business hours, no changeable letters, size, anchoring, minimum clearance, etc.).
- Temporary signs as described in § 156.G.006 are exempt as specified.
- Authorized signs attached to a transit shelter sign (not exceeding 12 square feet; non-electrical; one sign/sign face per shelter) are exempt.
- Banners on utility poles in the public right-of-way approved by the Director of Public Works are exempt.
- Safety signs, such as warnings of high voltage, explosives, hazardous materials, are exempt.
- Vehicle signs applied directly onto the body of a vehicle (car, truck, bus, trailer, etc.) operated in the normal course of business and not primarily used to display signage are exempt.
- Certain small wall signs on single-family or duplex units (not exceeding one square foot) are allowed.
- Temporary signs meeting standards for size, duration, and placement—if not otherwise prohibited—are allowed without a permit.
Sign Plan & Submission Notes for Marshalltown
- A sign plan (Master Sign Plan) may be submitted for: (1) a single-use development that exceeds 100,000 square feet of gross floor area; (2) a multi-tenant development that exceeds 50,000 square feet of gross floor area; or (3) a mixed-use center. Approval is by the Zoning Administrator (see § 156.J.004.5).
- No permanent sign shall be located in any public utility easement nor within five feet of any underground public utility.
- All freestanding signs must be permanently installed in locations designated in the sign plan, and may not exceed allowable dimensions.
- The effect of an approved Master Sign Plan: Once approved, permitting of individual signs is based on compliance with the Master Sign Plan standards for the parcel.
- Additional sign area and height is achievable (permanent signs) if a Master Sign Plan is approved for an eligible property pursuant to Subsec. 156.J.003.4, Master Sign Plan.
- Approval of a Master Sign Plan allows for a unified sign design and additional flexibility in compliance, reviewed by the Zoning Administrator; approval is valid for the period set in the Development Review Summary Table and expires if unused, but may be extended.
- Sign permits are generally required unless the sign is specifically exempted (see § 156.G.002 for a list of actions and types that do not require a permit).
- Sign permits are processed as administrative applications and reviewed by the Zoning Administrator; signs not constructed within 180 days of issuance, or associated with an abandoned use, may result in the expiration of the permit.
- No new sign may be installed on a site while a nonconforming sign remains in use.
Source: amlegal municipal code