Sign Regulations in Portland, Maine
Portland, Maine has specific sign regulations covering 46 sign types across 7 zoning districts. Regulated sign types include Freestanding Directional Sign, Freestanding Directory Sign, Directory Sign (Building-Mounted). Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.
Data last verified: October 23, 2025
Sign Regulation Overview for Portland, Maine
Sample Sign Requirements in Portland
| Sign Type | Max Height | Max Area | Setback |
|---|---|---|---|
| Changeable Sign Copy (Applicable to permanent building-mounted or freestanding signs) | — | Up to 50% of the total sign area (except marquee signs) | — |
| Temporary Sign - A-Frame or Upright Sign (Sandwich Board) | Min. 30 in.; Max. 4 ft. | 8 sq. ft. | — |
| Temporary Sign - Wall Banner | Mounting height max. 25 ft. to top of banner | 32 sq. ft. per banner; where multiple building-mounted banners are proposed, total cumulative area of all banners must not exceed 72 sq. ft. per facade (Construction banners); for Other temporary signs, 1 wall banner per tenant in a multi-tenant building. | — |
* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.
PermitPal Coverage for PortlandFull Coverage
Sign Types Covered
46
- Freestanding Directional Sign
- Freestanding Directory Sign
- Directory Sign (Building-Mounted)
- Awning Sign
- +2 more types
Zoning Districts
7
Different zoning districts with specific sign regulations
Data Includes
- Permit requirements
- Height restrictions
- Illumination rules
Official Resources for Portland
Other Cities in Maine
Frequently Asked Questions
In Portland, wall signs can be up to Mounting height max. 25 ft. to top of banner. 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 Portland, 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 Portland, regulated sign types include Freestanding Directional Sign, Freestanding Directory Sign, Directory Sign (Building-Mounted), Awning Sign, 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 Portland 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 Portland are regulated with specific requirements for brightness, animation, and message duration. Portland has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.
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Portland, Maine Sign Rules at a Glance
Portland, Maine regulates 46 sign types across 7 zoning districts. Marquee Signs in the Large Mixed-Use Sign District; B2 Community Business Zone; B4 Commercial Corridor Zone; EWPZ Eastern Waterfront Port Zone zoning district are capped at Min. 12 ft from bottom of marquee to grade/sidewalk tall and Marquee width (in feet) = max area in sq. ft., with a Min. 2 ft from back of curb setback (Sec. Table 19-M). Most commercial signs in Portland require a permit.
Detailed Sign Ordinance Requirements for Portland, Maine
Sign Rules by Zoning District in Portland (7 zones)
| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
|---|---|---|---|---|
| General Regulations For All Zones | 5 | Min. 30 in.; Max. 4 ft. | Up to 50% of the total sign area (except marquee signs) | — |
| Residential Sign District; RN-1 Residential Neighborhood Zone; RN-2 Residential Neighborhood Zone; RN-3 Residential Neighborhood Zone; RN-4 Residential Neighborhood Zone; RN-5 Residential Neighborhood Zone; RN-6 Residential Neighborhood Zone; IR-1 Island Residential Zone; IR-2 Island Residential Zone | 10 | 8 ft. maximum mounting height from nearest grade | 150 sq. ft. maximum | — |
| Small Mixed-Use Sign District; B1 Neighborhood Business Zone; B1B Neighborhood Business Zone; B2B Community Business Zone; B2C Community Business Zone; IS-FBC UA Zone; IS-FBC UN Zone; IS-FBC UT Zone; I-B Island Business Zone; O Office Zone; OP Zone | 20 | 16 ft. in B-1/B-1b, B-2b/B-2c; 8 ft. in all other Small Mixed-Use zones | 150 sq. ft. max per tenant | — |
| Large Mixed-Use Sign District; B2 Community Business Zone; B4 Commercial Corridor Zone; EWPZ Eastern Waterfront Port Zone | 20 | 25 ft. | 200 sq. ft. max per façade | — |
| Downtown Sign District; B3 Downtown Business Zone; B5 Urban Commercial Zone; B6 Eastern Waterfront Zone; TOD-1 Transit Neighborhood Zone; TOD-2 Transit Center Zone; WCZ Waterfront Central Zone | 14 | Min. 12 ft to bottom of marquee | 24 sq. ft. | — |
| Industrial and Transportation Sign District; AB Airport Business Zone; IL Low-Impact Industrial Zone; IM Moderate-Impact Industrial Zone; IH High-Impact Industrial Zone; WPDZ Waterfront Port Development Zone | 20 | 18 ft. | 250 sq. ft. maximum | — |
| Open Space Sign District; OS-R Recreation and Open Space Zone; OS-P Open Space Preservation Zone | 8 | 10 ft. | 30 sq. ft. | — |
Zone-by-Zone Sign Requirements in Portland(sample of 3 of 7 zones)
Small Mixed-Use Sign District; B1 Neighborhood Business Zone; B1B Neighborhood Business Zone; B2B Community Business Zone; B2C Community Business Zone; IS-FBC UA Zone; IS-FBC UN Zone; IS-FBC UT Zone; I-B Island Business Zone; O Office Zone; OP Zone
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| Awning Sign | Mounting height: min. 8 ft from bottom of awning to grade/sidewalk; max. 25 ft | Awning width (in feet) = max sign area in sq. ft. | — | Min. 2 ft from back of curb | — | On awning above ground floor doors/windows; may project into public right-of-way with permit approval. | — | Unlock | Table 19-H |
| Canopy Sign | Mounting height: min. 8 ft; max. 20 ft | Canopy width (in feet) = max sign area in sq. ft. | — | Min. 2 ft from back of curb | — | On canopy above ground floor. | — | Unlock | Table 19-I; Table 19-E (illumination) |
| Directional Sign (Building-Mounted) | 6 ft. max from nearest grade | 3 sq. ft. per sign face | — | — | Max. 1 per facade, drive-through lane, or alley; total ≤3 per lot | On building facade, at drive-through lanes or alleys. | — | Unlock | Table 19-K; 19.3.3(A) (exemption) |
| Directory Sign (Building-Mounted) | 8 ft. max from nearest grade | 16 sq. ft. | — | — | 1 per primary building entrance | At primary building entrances. | — | Unlock | Table 19-L; 19.3.3(A) (exemption) |
| Projecting Sign | Min. 8 ft from bottom of sign to grade/sidewalk | 24 sq. ft. | — | — | 1 per business | On building wall, projecting outward. | — | Unlock | Table 19-N |
| Freestanding Directional Sign | 6 ft. from nearest grade (4 ft. at driveway/drivethrough lanes) | 3 sq. ft. per sign face | — | — | 1 at each driveway/drive-through lane; total ≤3 per lot | At each driveway or drive-through lane; not to exceed 3 signs per lot. | — | Unlock | Table 19-S |
| Freestanding Directory Sign | 6 ft. from nearest grade (4 ft. at driveway/drivethrough lanes) | 12 sq. ft. | — | — | 1 per building | 1 per building. | — | Unlock | Table 19-T |
| Monument Sign (Single-tenant building) | 8 ft. | 50 sq. ft. (subject to general freestanding limits below) | — | — | 1 per lot | On lot. | — | Unlock | Table 19-U; Table 19-R (Small Mixed-Use: Single-tenant building); Table 19-E |
Large Mixed-Use Sign District; B2 Community Business Zone; B4 Commercial Corridor Zone; EWPZ Eastern Waterfront Port Zone
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| Awning Sign | Min. 8 ft; Max. 25 ft | Awning width (in feet) = max sign area in sq. ft. | — | Min. 2 ft from back of curb | — | On awning above ground-floor doors/windows; may project into right-of-way with permit. | — | Unlock | Table 19-H |
| Canopy Sign | Min. 8 ft; Max. 20 ft | Canopy width (in feet) = max sign area in sq. ft. | — | Min. 2 ft from back of curb | — | On canopy above ground-floor doors/windows. | — | Unlock | Table 19-I |
| Directional Sign (Building-Mounted) | Max. 6 ft | 3 sq. ft. per face | — | — | Max. 1 per facade/drive-through/alley; total ≤3 per lot | On building facade/drive-through/alley. | — | Unlock | Table 19-K; 19.3.3(A) |
| Directory Sign (Building-Mounted) | Max. 8 ft | 16 sq. ft. | — | — | 1 per primary building entrance | At primary entrance(s). | — | Unlock | Table 19-L; 19.3.3(A) |
| Marquee Sign | Min. 12 ft from bottom of marquee to grade/sidewalk | Marquee width (in feet) = max area in sq. ft. | — | Min. 2 ft from back of curb | 1 per business | On marquee projecting from building. | — | Unlock | Table 19-M |
| Projecting Sign | Min. 8 ft to bottom of sign | 24 sq. ft. | — | — | 1 per business | On building wall. | — | Unlock | Table 19-N |
| Freestanding Directional Sign | 6 ft. (4 ft. at driveway/drive-through lanes) | 3 sq. ft. per face | — | — | Max. 1 at each driveway/drive-through lane; total ≤3 per lot | Driveways/drive-through lanes. | — | Unlock | Table 19-S |
| Freestanding Directory Sign | 6 ft. (4 ft. at driveway/drive-through lanes) | 12 sq. ft. | — | — | 1 per building | 1 per building. | — | Unlock | Table 19-T |
Industrial and Transportation Sign District; AB Airport Business Zone; IL Low-Impact Industrial Zone; IM Moderate-Impact Industrial Zone; IH High-Impact Industrial Zone; WPDZ Waterfront Port Development Zone
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| Awning Sign | Min. 8 ft; Max. 25 ft | Awning width (in feet) = max area in sq. ft. | — | Min. 2 ft from back of curb | — | On awning; may project into right-of-way with permit. | — | Unlock | Table 19-H |
| Canopy Sign | Min. 8 ft; Max. 20 ft | Canopy width (in feet) = max area in sq. ft. | — | Min. 2 ft from back of curb | — | On canopy. | — | Unlock | Table 19-I |
| Directional Sign (Building-Mounted) | Max. 6 ft | 3 sq. ft. per face | — | — | Max. 1 per facade/drive-through/alley; total ≤3 per lot | On building facade/drive-through/alley. | — | Unlock | Table 19-K; 19.3.3(A) |
| Directory Sign (Building-Mounted) | Max. 8 ft | 16 sq. ft. | — | — | 1 per primary building entrance | At primary entrance(s). | — | Unlock | Table 19-L; 19.3.3(A) |
| Projecting Sign | Min. 8 ft | 24 sq. ft. | — | — | 1 per business | On building wall. | — | Unlock | Table 19-N |
| Freestanding Directional Sign | 6 ft. (4 ft. at driveway/drive-through lanes) | 3 sq. ft. per face | — | — | Max. 1 at each driveway/drive-through lane; total ≤3 per lot | Driveways/drive-through lanes. | — | Unlock | Table 19-S |
| Freestanding Directory Sign | 6 ft. (4 ft. at driveway/drive-through lanes) | 12 sq. ft. | — | — | 1 per building | 1 per building. | — | Unlock | Table 19-T |
| Monument Sign (Single-tenant building) | 18 ft. | 100 sq. ft. | — | — | 1 per lot | On lot. | — | Unlock | Table 19-U (Industrial column); Table 19-R (Industrial & Transportation: Single-tenant building); Table 19-E footnote 4 |
PermitPal covers all 7 zoning districts in Portland — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.
See all 7 zones for Portland — start freeProhibited Signs in Portland
- Signs within, on, or projecting over public property, City rights-of-way, or waterways, except where specifically authorized in the ordinance
- Signs placed where they obstruct the view of any authorized traffic sign, signal, or other traffic control device
- Signs at intersections of streets or driveways that obstruct driver sight lines; corner clearance must be observed per Subsection 7.5.1
- Signs located in areas that block ingress or egress to any door, window, vent, exit way, or fire lane required by code or Fire Department regulations
- Signs tacked, painted, burned, cut, pasted, or otherwise affixed to trees, rocks, light and utility poles, posts, fences, ladders, benches, or similar supports visible from a public way
- Off‑premises commercial advertising signs, except as specifically provided in Table 19‑X
- Roof‑mounted signs
- Signs on fuel tanks, storage containers, solid waste receptacles or their enclosures, except manufacturer/installer identification, required warnings, and information required by law
- Billboards
- Signs that could be confused with or that interfere with, obstruct, confuse, or mislead traffic or authorized traffic devices
- Bandit signs
- Inflatable or air‑moved devices used as signs (including balloons, spinners, strings of flags and pennants, feather banners, fixed aerial displays, streamers, tubes, inflated characters), except as allowed in Section 19.8
- Signs advertising a business no longer in existence or a product/service no longer sold, except for landmark signs
- Any temporary sign other than those allowed pursuant to Section 19.8
- Any signs not specifically allowed by this article
- Animated features that rotate, move, or give the appearance of movement by mechanical, wind, or other means (barber poles ≤3 ft high and 10 in diameter, and clocks are excepted)
- Use of sound, odor, or particulate matter (including bubbles, smoke, fog, confetti, ashes) as display features
- Lighting devices with intermittent, flashing, rotating, blinking, or strobe illumination; animation; motion picture or laser projection; hologram lights; or any lighting effect creating the illusion of motion
- Search lights or laser light displays used as attention‑attracting devices
- Strings of lights used in connection with commercial premises, except temporary decorative lighting; lights arranged in the shape of a product, arrow, or any commercial message
- Spherical, free‑form, or sculptural signs with greater than four polyhedron faces
Exempt Signs in Portland
- Numerals and letters identifying an address to facilitate emergency response, compliant with City requirements
- Building identification signs not exceeding 2 sq ft for residential buildings and 4 sq ft for nonresidential and mixed‑use buildings
- Signs placed, installed, or required by law by a city, county, state, or federal agency, including emergency and warning signs; traffic signs; bus stop/shelter signs; signs required by law; signs directing the public to points of interest; signs showing the location of public facilities; and signs subject to 23 M.R.S. §1913‑A
- Historic plaques and commemorative signs erected and maintained by nonprofit organizations, building cornerstones, and date‑constructed stones not exceeding 4 sq ft
- Non‑illuminated incidental signs conveying information such as credit card acceptance, business hours, open/closed, no soliciting, directions to services/facilities, or menus, with aggregate maximum area of 2 sq ft in the Residential Sign District and 6 sq ft in all other sign districts
- Landmark signs
- Signs posted on a community bulletin board not exceeding 11 inches by 17 inches
- Signs not readable from the public right‑of‑way, including: interior signs not visible from outside; signs readable only within a parking area and not beyond the lot or public right‑of‑way; signs within City recreation facilities; and signs integral to allowed vending machines or similar facilities located outside a business
- Temporary signs placed within the public right‑of‑way, subject to 23 M.R.S. §1913‑A
- Works of art that do not include sign copy or where sign copy is limited to no more than 10% of the artwork area and dimensional standards in Tables 19‑G and 19‑P are met
Sign Plan & Submission Notes for Portland
- No master sign plan or general sign plan requirement is specified in the provided text
- Permanent sign permit required for most permanent signs (erect, install, construct, move, alter, replace, suspend, display, or maintain), except exemptions in Subsection 19.2.3 and except building‑mounted directional signs, building‑mounted directory signs, and window signs
- Temporary sign permit required for temporary wall banners and for A‑frame signs placed in the public right‑of‑way; other temporary sign types do not require permits
- Signs in historic districts require additional review and approval by the Planning Authority per Subsection 16.7.6 and the Historic Resources Design Manual; where Article 16 and Article 19 conflict, the stricter applies
- Appeals of sign permit decisions are heard by the Zoning Board of Appeals (ZBA)
- Nonconforming signs must be brought into compliance when certain events occur, including major site plan review; building rehabilitation permits above specified thresholds; applications for new building‑mounted or freestanding sign permits; or sign modifications beyond routine maintenance
Source: other municipal code