# Sign Regulations in Crystal City, Missouri

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

- **Jurisdiction:** Crystal City, Missouri (MO)
- **Canonical page:** https://permitpal.io/sign-regulations/missouri/crystal-city
- **Data last verified:** 2025-05-07
- **Source:** [municode municipal code](https://library.municode.com/MO/Crystal_City/codes/Code_of_Ordinances?nodeId=PTIILAUS_CH64ZO_ARTVSI)

## At a glance

Crystal City, Missouri regulates 12 sign types across 8 zoning districts. Billboards in the M-1 Light Industrial District (M-1), M-2 General Industrial District (M-2) zoning district are capped at Top not to exceed 50 feet above adjacent street; clearance minimum 20 feet from grade to bottom of sign tall, 400 square feet/display area; max length 40 feet, and 40 feet wide, with a Not within 30 feet of right-of-way pavement/edge/street curb setback (Sec. Sec. 64-404). Most commercial signs in Crystal City require a permit.

## Sign rules by zoning district (8 zones)

| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
| --- | --- | --- | --- | --- |
| General Regulations For All Zones | 3 | 48 inches if on a post | 32 square feet per sign | — |
| RC Conservation District (RC) | 2 | — | 32 square feet | — |
| RS-1 Residential District (RS-1), RS-2 Residential District (RS-2), RS-3 Residential District (RS-3) | 4 | — | 32 square feet | — |
| RA-1 Residential District (RA-1) | 3 | — | 32 square feet | — |
| RP-1 Planned Unit Development District (RP-1) | 2 | — | 32 square feet | — |
| C-1 Neighborhood Commercial District (C-1), C-2 General Commercial District (C-2), C-3 Planned Mixed Use District (C-3), C-4 Planned Commercial District (C-4) | 6 | Per general rules: maximum 30 feet | 100 square feet | — |
| M-1 Light Industrial District (M-1), M-2 General Industrial District (M-2) | 4 | Top not to exceed 50 feet above adjacent street; clearance minimum 20 feet from grade to bottom of sign | 400 square feet/display area; max length 40 feet | — |
| Commercial and Industrial Districts | 4 | Top 50 feet above street, minimum clearance 20 feet above grade | 400 square feet per face | — |

## Zone-by-zone sign requirements (sample of 3 of 8 zones)

### C-1 Neighborhood Commercial District (C-1), C-2 General Commercial District (C-2), C-3 Planned Mixed Use District (C-3), C-4 Planned Commercial District (C-4)

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Wall Sign | — | Aggregate not to exceed linear feet of frontage | — | — | Limited by formula | Attached to vertical surface facing street | — | Sec. 64-400(b)(1)-(4) |
| Freestanding Sign | Per general rules: maximum 30 feet | Included in aggregate per above | — | — | Limited by area formula | On the lot | — | Sec. 64-400(b)(4)(a)-(d) |
| Projecting Sign (C-1 Only) | — | — | — | — | Limited by area formula | Only in C-1; attached to vertical surface | — | Sec. 64-400(b)(1) |
| Searchlight/Advertising Device (Temporary) | — | — | — | — | 1 per year per business/lot owner | On premises; not on roof | — | Sec. 64-400(b)(4)(e) |
| Cold Air Balloon/Inflatable Advertising Device | 25 feet | 100 square feet | — | — | 1 per permit | On premises; not on roof | — | Sec. 64-400(c) |
| Temporary Sign | — | 32 square feet | — | — | Up to 3 per lot (with permit) | — | — | Sec. 64-401 |

### M-1 Light Industrial District (M-1), M-2 General Industrial District (M-2)

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Wall Sign | — | — | — | — | See general/commercial rules | See Commercial and Industrial Districts | — | General practice from commercial districts, see Sec. 64-398, 64-400 |
| Freestanding Sign | 30 feet (see general max height in Sec. 64-399(c)) | — | — | — | See general/commercial rules | — | — | See Commercial and Industrial Districts, Sec. 64-399(c), 64-404 |
| Billboard | Top not to exceed 50 feet above adjacent street; clearance minimum 20 feet from grade to bottom of sign | 400 square feet/display area; max length 40 feet | 40 feet | Not within 30 feet of right-of-way pavement/edge/street curb | Spacing: not within 500 feet of another billboard on the same street side | Allowed only by permit in M Districts on vacant/agricultural property; not on commercial/industrial developed parcels | — | Sec. 64-404 |
| Temporary Sign | — | 32 square feet | — | — | — | — | — | Sec. 64-401 |

### Commercial and Industrial Districts

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Wall Sign | — | Aggregate per lot: linear feet of frontage | — | — | Limited by area formula | Attached to building facing street | — | Sec. 64-400(b) |
| Freestanding Sign | 30 feet (general rule) | See area formula for wall signs | — | — | Limited by area formula | — | — | Sec. 64-399(c), 64-400(b) |
| Billboard | Top 50 feet above street, minimum clearance 20 feet above grade | 400 square feet per face | 40 feet | Not within 30 feet of right-of-way; not within 200 ft of residential district | Not within 500 ft of another billboard on same street side | Only on vacant/agricultural property within M Districts; not on developed commercial/industrial parcels | — | Sec. 64-404 |
| Temporary Sign | — | 32 square feet | — | — | — | — | — | Sec. 64-401 |

## Prohibited signs in Crystal City

- Signs that revolve, move laterally or transversely or have flashing lights, except stationary signs with moveable electronic letters or graphics.
- Self-changing electronic display boards that appear to blink, flash or cycle on/off more frequently than one cycle per four seconds, except to produce the illusion of scrolling.
- Signs erected on or over any public right of way or easement unless located within a C-1 District.
- Any sign erected so as to prevent free egress to or from any door, window or other exit required by the city building code.
- Any sign erected in a location where it will obstruct the view of any authorized traffic sign, signal or traffic control device; or imitate any official traffic sign.
- Any sign erected where it will obstruct vision of the public right-of-way to a vehicle operator during egress to, from, or travel on the right of way.
- Any sign attached to any public utility pole, tree, fire hydrant, curb, sidewalk or other surface on public property.
- Signs illuminated to an intensity causing glare or brightness constituting a hazard or nuisance.
- Roof signs and revolving signs.
- Signs on licensed or unlicensed commercial vehicles, including trailers, used as parked or stationary outdoor signs or billboards.
- Portable reader boards.
- Projecting signs in any district other than C-1 District.
- Billboards and signs not maintained in good repair are subject to removal.
- No sign, excluding billboards, shall exceed 30 feet above street grade or natural ground level, whichever is highest.
- No sign in any zoning district in the city shall advertise, market or depict any action that is illegal under state law or in violation of this Code.
- No sign shall be erected on or over the public right-of-way.

## Signs exempt from permit in Crystal City

- Any sign erected and maintained pursuant to and in the discharge of governmental function or required by law, ordinance, or governmental regulation, including traffic control devices.
- Each parcel is entitled to one permanent sign not exceeding five square feet in surface area, which may be placed on the front of every building, residence, or structure; on each side of a USPS mailbox; or on one post no more than 48 inches high and four inches wide.
- Signs being manufactured, transported, or stored, provided such signs are not used for advertising in any manner at the place of manufacture or storage.
- Signs located within malls, courts, porches, patios, and similar areas where such signs are not visible from any point on the boundary of the premises.
- Signs already addressed in this article.
- Signs required by law, ordinance, or government regulation (duplicating the first for clarity).

## Sign plan & submission notes

- Approval of certain planned mixed-use and commercial districts (C-3, C-4) requires submission of a preliminary and final plan that must show the use or types of uses to be accommodated in each building or portion thereof, including plot plans and intended uses.
- Conditional uses in zoning districts require an application accompanied by a site plan drawn to scale showing dimensions, setbacks, existing and proposed buildings, and parking areas.
- For any application to locate a tower or antenna, a full site plan at a scale of one inch to 100 feet is required, including total area, zoning, rights-of-way, topography, building/tower locations, sidewalks, open areas, fences, streets, and utilities.
- Applications for a permit must be accompanied by drawings of proposed work, drawn to scale, and may require full plot diagrams showing dimensions and exact location of all new construction, and of all existing buildings, landscaping, etc.

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

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