# Sign Regulations in Huntsville, Alabama

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

- **Jurisdiction:** Huntsville, Alabama (AL)
- **Canonical page:** https://permitpal.io/sign-regulations/alabama/huntsville
- **Data last verified:** 2026-05-20
- **Source:** [municode municipal code](https://library.municode.com/AL/Huntsville/codes/Code_of_Ordinances?nodeId=COOR_APXAZOOR_ART72SICORE)

## At a glance

Huntsville, Alabama regulates 73 sign types across 37 zoning districts. Sidewalk Signs in the Residence 1 (R1) zoning district are capped at 3 ft tall, 3 ft high by 2 ft wide, and 2 ft wide, with a As above setback (Sec. 72.6.4(3)). Most commercial signs in Huntsville require a permit.

## Sign rules by zoning district (37 zones)

| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
| --- | --- | --- | --- | --- |
| General Regulations For All Zones | 8 | 30 inches | EDS area counts toward host sign area and may not exceed 75% of the allowed sign face area of the host sign. | — |
| Residence 1 (R1) | 7 | 30 inches | 100 sq ft per street frontage (total of all wall signs on that frontage) | — |
| Residence 1-A (R1A) | 7 | 30 inches | 100 sq ft per street frontage | — |
| Residence 1-B (R1B) | 7 | 30 inches | 100 sq ft per street frontage | — |
| Residence 1-C (R1C) | 7 | 30 inches | 100 sq ft per street frontage | — |
| Residence 2 (R2) | 7 | 30 inches | 100 sq ft per street frontage | — |
| Residence 2-A (R2A) | 7 | 30 inches | 100 sq ft per street frontage | — |
| Residence 2-B (R2B) | 6 | 30 inches | 100 sq ft per building unit per street frontage | — |
| Residence 2-C (R2C) | 7 | 30 inches | 100 sq ft per street frontage | — |
| Residence Office 1 District | 4 | 30 inches | 20 sq ft | — |
| Residence Office 2 District (RO2) | 4 | 30 inches | 20 sq ft | — |
| Office District (O) | 5 | 30 inches | 100 sq ft per building unit per street frontage | — |
| Neighborhood Business C-1 District | 6 | 30 inches | 100 sq ft per building unit per street frontage | — |
| Neighborhood Business C-2 District | 5 | 30 inches | 100 sq ft per building unit per street frontage | — |
| General Business C-3 District | 6 | 30 inches | Up to 100 sq ft per frontage (plus an extra 100 sq ft per frontage for buildings ≥5 stories; any single sign ≤200 sq ft) | — |
| Central Business District (C-B) | 6 | 30 inches | Up to 100 sq ft per frontage (plus an extra 100 sq ft per frontage for buildings ≥5 stories; any single sign ≤200 sq ft) | — |
| Village Business C-6 District | 7 | 30 inches | Up to 100 sq ft per frontage (plus an extra 100 sq ft per frontage for buildings ≥5 stories; any single sign ≤200 sq ft) | — |
| Highway Business C-4 District | 6 | 35 ft | Up to 350 sq ft per building unit per street frontage (base 150 sq ft + 3 sq ft per linear ft of façade width over 50 ft) | — |
| Light Industry District (LI) | 6 | 35 ft | Up to 350 sq ft per building unit per street frontage (base 150 sq ft + 3 sq ft per linear ft of façade over 50 ft) | — |
| Heavy Industry District (HI) | 6 | 35 ft | Up to 350 sq ft per building unit per street frontage (base 150 sq ft + 3 sq ft per linear ft of façade over 50 ft) | — |
| Industrial Park District (IP) | 5 | 35 ft | 100 sq ft per building unit per street frontage | — |
| Commercial Industrial Park District (CIP) | 5 | 35 ft | Up to 350 sq ft per building unit per street frontage (base 150 sq ft + 3 sq ft per linear ft over 50 ft) | — |
| Planned Industrial District (PI) | 5 | 35 ft (base up to 1 ft excluded) | 150 sq ft per sign | — |
| Disposal Storage District (DS) | 4 | 30 inches | 100 sq ft per street frontage | — |
| Research Park District (RP) | 6 | 35 ft (base up to 1 ft excluded) | 150 sq ft per sign | — |
| Research Park West District (RPW) | 7 | 8 ft 1 in (base up to 1 ft permitted) | Improved lot: 20 sq ft; Vacant lot: 40 sq ft; Rider 1 ft x 4 ft allowed | — |
| Research Park Applications District (RPA) | 6 | 35 ft (base up to 1 ft excluded) | 100 sq ft per street frontage (one attached sign) | — |
| Research Park 2 District (RP2) | 6 | 35 ft (base up to 1 ft excluded) | 144 sq ft per sign | — |
| Research Park Commercial District (RPC) | 8 | 35 ft (base up to 1 ft excluded) | 150 sq ft per sign | — |
| Airport Commercial District (AC) | 9 | 35 ft (base up to 1 ft excluded) | Up to 300 sq ft per façade per building unit | — |

_7 additional zoning districts are covered in PermitPal (free account)._

## Zone-by-zone sign requirements (sample of 3 of 37 zones)

### Residence 1 (R1)

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Monument Sign (Nonresidential Use Lot) | 5 ft (plus base up to 1 ft not counted) | 40 sq ft | — | Greater of 10 ft from existing/proposed ROW or 15 ft from back of curb/edge of pavement, and 15 ft from curb entrance to any drive/accessway. | 1 per street frontage | On lots in R1 with a permitted nonresidential use building; outside ROW. | — | 72.7.2(1)(a),(c),(d); 72.7.1(2),(4); 72.8.1; 72.8.7; 72.8.21(k) |
| Ground Sign (Nonresidential Use Lot) | 20 ft | 40 sq ft | — | As per 72.7.1 clearances; pylon-in-yard rule does not apply to ground signs but height applies. | 1 per street frontage | On lots in R1 with a permitted nonresidential use building; outside ROW. | — | 72.7.2(1)(b)-(d); 72.7.1(1),(3),(4); 72.8.1; 72.8.7; 72.8.12; 72.8.21(k) |
| Wall Signs (Nonresidential Use Building) | — | 100 sq ft per street frontage (total of all wall signs on that frontage) | — | — | No explicit number limit; governed by max area per street frontage | On façades with street frontage for permitted nonresidential use buildings in R1. | — | 72.7.2(2); 72.8.2—72.8.7; 72.8.18 |
| Temporary Yard Signs (Residential Premises) | 4 ft | Total 40 sq ft; single sign up to 20 sq ft (vacant residential lots ≥5 acres: per frontage 40 sq ft; single sign 40 sq ft) | — | ≥10 ft from back of curb/edge of pavement; ≥10 ft from overhead lines; ≥5 ft from property line. | — | On residential lots in R1 or vacant lots in residential zoning. | — | 72.6.3(1)-(3); 72.6.1; 72.8.1 |
| Sidewalk Sign | 3 ft | 3 ft high by 2 ft wide | 2 ft | As above | 1 per building unit at one time | On sidewalk near business entrance; ≥2 ft from curb; maintain ≥5 ft clear width. | — | 72.6.4(3) |
| Driveway Signs | 30 inches | 3 sq ft per sign | — | Not in ROW; within 50 ft of entrance/intersection. | Max 2 per driveway/intersection | Near driveway entrances/internal intersections; not in ROW. | — | 72.8.24; 72.11.4(b) |
| Electronic Display Sign Option (as part of Monument/Ground) | — | Up to 75% of host sign face; counts toward host sign area limit (40 sq ft host limit). | — | As for host sign. | — | Integrated into allowed monument or ground sign on arterial frontage. | — | 72.7.2(1)(d); 72.8.21(1)-(5),(g),(h),(j),(k) |

### Research Park Commercial District (RPC)

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Large-Scale Complex Monument Sign (Interior Facing Arterial) | 35 ft (base up to 1 ft excluded) | 150 sq ft per sign | — | ≥200 ft from district boundary (location requirement); general setbacks apply. | 1 per complex facing arterial | Front yard facing an arterial within a large-scale complex (≥50 acres). | — | 72.7.13(1)(a)(i) |
| Large-Scale Complex Entrance Monument Signs | 35 ft (base up to 1 ft excluded) | 130 sq ft per sign | — | May be placed in required front yard with approval; otherwise general setbacks apply. | Up to 2 per collector/arterial entrance | At each collector/arterial street entrance into the large-scale complex. | — | 72.7.13(1)(a)(ii); 72.8.21(2) |
| Monument Signs for Individual Building Units (with direct street access) | 5 ft (base up to 1 ft excluded) | 35 sq ft | — | ≥20 ft from public street curb; ≥15 ft from access drive curb; outside ROW. | 1 per qualifying building unit | Outside public ROW, ≥20 ft from curb of public street and ≥15 ft from curb of site access drive. | — | 72.7.13(1)(b) |
| Attached Signs — One Building Unit (outside large-scale complex) | — | Up to 150 sq ft per façade; one projecting sign up to 6 sq ft in addition to the wall sign(s), provided cumulative per façade ≤150 sq ft. | — | — | 1 wall sign per façade per frontage plus 1 projecting sign (within total ≤150 sq ft) | On façades with street frontage. | — | 72.7.13(2)(b)(i)-(iv) |
| Attached Signs — Two or More Building Units (outside large-scale complex) | — | Up to 100 sq ft per unit per façade; projecting sign up to 6 sq ft per unit included within the 100 sq ft total. | — | — | 1 wall sign and 1 projecting sign per unit per frontage (≤100 sq ft total) | On unit façades with street frontage. | — | 72.7.13(1)(c)(ii) |
| Pedestrian Area Gateway Monument Signs (Large-Scale Complex) | 10 ft (base up to 1 ft excluded) | 100 sq ft per sign | — | ≥250 ft from any public street. | Up to 4 per complex | At pedestrian entrances within large-scale complex at least 250 ft from any public street. | — | 72.7.13(1)(d) |
| Sidewalk Sign (RPC placement nuance) | 3 ft | 3 ft high by 2 ft wide | 2 ft | Adjacent to sidewalk in RPC; maintain ≥5 ft clear width. | 1 per building unit at one time | Adjacent to the sidewalk in RPC; maintain ≥5 ft clear width. | — | 72.6.4(3)(d)(i); 72.6.4(3)(a)-(l) |
| Driveway Signs | 30 inches | 3 sq ft per sign | — | Not in ROW; within 50 ft of entrance/intersection. | 2 per driveway/intersection max | Near driveway entrances/internal intersections; not in ROW. | — | 72.8.24; 72.11.4(b) |

### Airport Commercial District (AC)

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Monument Signs — Per Street Frontage | 10 ft (base up to 1 ft excluded) | 100 sq ft per sign | — | ≥10 ft from ROW. | 1 per street frontage | Front yard along each street frontage on lots with a permitted nonresidential use building in AC. | — | 72.7.7(2) |
| Monument Signs — Major Entrances to District/Campus | 35 ft (base up to 1 ft excluded) | 100 sq ft per sign | — | May be in required front yard with approval; otherwise general setbacks apply. | 1 per major entrance | At each major entrance into the AC district/campus. | — | 72.7.8(1)(a)-(b); 72.8.21(2) (EDS entrance prohibition) |
| Building Monument Signs (on campus) | 5 ft (base up to 1 ft excluded) | 30 sq ft per sign | — | ≥25 ft from public street curb; ≥15 ft from entrance drive/access way curb. | 1 per building | In front of each building on campus within AC. | — | 72.7.8(2)(a)-(c) |
| Monument Signs (Non-campus lots) — One Building Unit | 5 ft (base up to 1 ft excluded) | 35 sq ft per sign | — | General setbacks apply. | 1 per 250 ft or fraction (100 ft separation if multiple) | Non-campus lots with one building unit in AC. | — | 72.7.8(3)(a) |
| Monument Signs (Non-campus lots) — Multi-Unit | 5 ft (base up to 1 ft excluded) | 100 sq ft per sign | — | General setbacks apply. | 1 per 250 ft or fraction (150 ft separation if multiple) | Non-campus lots with two or more building units in AC. | — | 72.7.8(3)(b) |
| Wall Signs (Attached) | — | Up to 300 sq ft per façade per building unit | — | — | Not limited by number; limited by area per façade | On façades with street frontage. | — | 72.7.8(4)(a)-(d) |
| Sidewalk Sign | 3 ft | 3 ft high by 2 ft wide | 2 ft | As above | 1 per building unit at one time | On sidewalk near business; ≥2 ft from curb; maintain ≥5 ft clear width. | — | 72.6.4(3) |
| Driveway Signs | 30 inches | 3 sq ft per sign | — | Not in ROW; within 50 ft of entrance/intersection. | 2 per driveway/intersection max | Near driveway entrances/internal intersections; not in ROW. | — | 72.8.24; 72.11.4(b) |

## Prohibited signs in Huntsville

- It is unlawful to construct, erect, or maintain any sign not in conformity with this article (citywide).
- Commercial use signs are prohibited in residential districts (unless part of an allowed mixed-use building), on any attached sign, and on any permanent sign located at major entrances.
- Signs painted or pasted directly on structures are prohibited.
- Feather signs are prohibited.
- Signs incorporating any noisy mechanical device are prohibited.
- No sign may be projected onto the side of a building, wall, or ground.
- Illuminated signs and outside lighting may only emit constant intensity; flashing, blinking, intermittent, rotating, pulsating, moving or animated illumination is prohibited (except compliant electronic display signs). Focused light may not be directed onto streets/sidewalks or adjacent premises so as to cause glare or a traffic hazard.
- Projecting signs may not extend more than four feet from the building face, must maintain at least 12 feet of overhead clearance, and must be at least two feet horizontally from the curb.
- Roof signs may not extend more than 12 feet above the roof (and are entirely prohibited in certain districts such as Research Park West for attached signs).
- No sign or portion thereof may be placed in any street or highway right-of-way or in any utility/drainage easement, and no projecting/awning sign may be over the right-of-way unless attached to a structural building element and meeting projection/clearance requirements.
- Awnings may project no further than eight feet from the building face and must maintain a six-foot clear area behind the curb; minimum awning height is eight feet above sidewalk.
- Ground signs may not exceed 35 feet in height unless otherwise specified.
- No sign may obstruct or interfere with doors, windows, fire escapes, means of egress, light or ventilation.
- No sign may be located so as to create visibility obstructions or endanger pedestrian/vehicular traffic; all signs are subject to the city's visual obstruction regulations.
- Signs may not be applied to trees, bus shelters, utility poles, benches, trash receptacles, utility cabinets, rocks/natural features, or any unapproved structure, nor placed in the public right-of-way unless expressly allowed.
- Signs that copy or imitate traffic control devices in a way likely to confuse or that obstruct such devices are prohibited.
- All signs must comply with applicable building, electrical, and other technical codes.
- Attached signs projecting above a structure may not extend more than ten feet above the structure.
- A vehicle, boat, trailer, or similar equipment may not be used as a sign support structure.
- Pennants, ribbons, streamers, and spinners are prohibited in all zoning districts except highway business C-4, light industry, and heavy industry.
- Driveway signs may not contain electronic display signs.
- Signs that constitute a hazard to safety or health due to design, construction, repair, or maintenance are prohibited.
- Windblown devices and signs not securely affixed in a permanent manner (unless specifically permitted as a temporary sign) are prohibited.
- Signs employing revolving, rotating, whirling, spinning, or other motion to attract attention are prohibited (does not include changeable copy as allowed).
- Portable signs are prohibited except sidewalk signs permitted under the temporary sign provisions.
- Electronic display signs are prohibited in certain districts (research park districts, planned industrial, disposal storage) and on signs at major entrances and on signs authorized in Section 72.5; must meet strict operational limits where allowed; no variances are allowed for these conditions.
- Temporary signs: may not be illuminated; may not use changeable copy; may not require foundations/wiring; mobile signs on wheels/runners/casters, parked trailers/vehicles as signs are prohibited unless specifically stated; commercial use temporary signs are prohibited; must be outside ROW and away from utilities/property lines.

## Signs exempt from permit in Huntsville

- This article applies only to outdoor signs visible from a public right-of-way or otherwise visible to the general public; it does not regulate signs inside homes or other buildings.
- Signs required or preempted by federal or state law (including court-ordered signs, bankruptcy-related signs, and government-function signs) are excluded from regulation under this article (though still subject to other applicable laws/codes).
- Permit not required for: signs or notices issued by a court/officer in performance of public duty (remove within 7 days after last day required to display).
- Permit not required for: public safety/traffic control/street name/directional signs installed by the City or other governmental agency.
- Permit not required for: signs located within a stadium, open-air theater, park, arena or similar outdoor use that are only viewable by persons within those facilities (subject to any required structure permits).
- Permit not required for: signs integral to original construction of vending machines, drive-throughs, ATMs or similar devices that are not legible from the street beyond users.
- Permit not required for: sign face changes on signs designed with interchangeable panels that do not change structure/area/height/cabinet.
- Permit not required for: changes of copy on changeable copy signs, including electronic message/display signs.
- Permit not required for: certain temporary signs as established in Section 72.6.
- Permit not required for: one non-illuminated wall sign up to two square feet mounted flush on an individual residential dwelling unit.
- Permit not required for: posting of addresses (regulated under a different code).
- Permit not required for: signs integral to the historic character of officially designated landmarks/historic structures or original historic sign elements.
- Permit not required for: signs located on umbrellas, seating, or similar patio furniture.
- Permit not required for: warning or traffic safety signs required by public utility or infrastructure providers.
- Permit not required for: hand-held signs not set on or affixed to the ground.
- Permit not required for: general maintenance, repainting, cleaning, and other normal maintenance and repair of a sign or sign structure unless a structural change is made.

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

---

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