Sign Regulations in Troy, Illinois

Troy, Illinois has specific sign regulations covering 41 sign types across 8 zoning districts. Regulated sign types include Flush-Mounted Wall Sign, Projecting Sign, Window Sign (Permanent). Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.

Data last verified: April 20, 2025

Sign Regulation Overview for Troy, Illinois

Sample Sign Requirements in Troy

Sign TypeMax HeightMax AreaSetback
Temporary For Sale/For Lease Sign (Residential Subdivision)32 sq ft
Temporary Construction Sign32 sq ft
On-Premises Directional Sign6 sq ft

* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.

PermitPal Coverage for TroyFull Coverage

Sign Types Covered

41

  • Flush-Mounted Wall Sign
  • Projecting Sign
  • Window Sign (Permanent)
  • Awning/Canopy/Marquee Sign
  • +2 more types

Zoning Districts

8

Different zoning districts with specific sign regulations

Data Includes

  • Permit requirements
  • Height restrictions
  • Illumination rules

Frequently Asked Questions

Sign height limits in Troy vary by zone and sign type. Wall signs typically range from 25-40 feet, while monument signs are usually limited to 6-10 feet. Use PermitPal to get exact requirements for your property.

To get a sign permit in Troy, 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 Troy, regulated sign types include Flush-Mounted Wall Sign, Projecting Sign, Window Sign (Permanent), Awning/Canopy/Marquee 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 Troy 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 Troy are regulated with specific requirements for brightness, animation, and message duration. Troy has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.

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Troy, Illinois Sign Rules at a Glance

Troy, Illinois regulates 41 sign types across 8 zoning districts. Freestanding Sign - Option 1 (One per lot)s in the C-2 General Commercial, C-3 Highway Commercial, C-5 Town Center Mixed-use, I-1 Light Industry, I-2 General Industry zoning district are capped at 25 ft (C-2, C-5), 80 ft (C-3, I-1, I-2; with 25 ft max on parcels by US Hwy 40 per details) tall, 100 sq ft (C-2, C-5), 300 sq ft (C-3, I-1, I-2), and 12 ft any dimension wide, with a No projection over lot line; placement as per spacing rules setback (Sec. §155.04(D)(6)). Most commercial signs in Troy require a permit.

Detailed Sign Ordinance Requirements for Troy, Illinois

Sign Rules by Zoning District in Troy (8 zones)

Zoning DistrictSign Types RegulatedMax HeightMax AreaPermit Required
General Regulations For All Zones1575 sq ft (including monument)
Residential zoning districts18 sq ft
C-2 General Commercial, C-3 Highway Commercial, C-5 Town Center Mixed-use, I-1 Light Industry, I-2 General Industry1325 ft (C-2, C-5), 80 ft (C-3, I-1, I-2; with 25 ft max on parcels by US Hwy 40 per details)300 sq ft per street frontage
C-4 Downtown Mixed-use6Min clear 10 ft above sidewalkMax 42 in width or height
Planned Development (PD) and Planned Development Districts1
C-1 Neighborhood Commercial1
Commercial zoning districts625 ft (C-2, C-5), 80 ft (C-3, I-1, I-2; except parcels by US Hwy 40: max 25 ft)300 sq ft per frontage
Industrial zoning districts680 ft (except parcels contiguous with US Hwy 40: 25 ft)300 sq ft per frontage

Zone-by-Zone Sign Requirements in Troy(sample of 3 of 8 zones)

General Regulations For All Zones

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Temporary For Sale/For Lease Sign (Residential Subdivision)32 sq ft1 per subdivisionSubdivision property for new residential developmentUnlock§155.04(B)(1)
Temporary Construction Sign32 sq ft1 per buildingConfined to the site of constructionUnlock§155.04(B)(1)
On-Premises Directional Sign6 sq ftOn-premisesUnlock§155.04(B)(2)
Flag3On-premisesUnlock§155.04(B)(3)
House Number/Resident Name Sign3 sq ft (single family), 6 sq ft (multi-family)On the lot to which it pertainsUnlock§155.04(B)(5)
Property Regulation Sign3 sq ftOn private propertyUnlock§155.04(B)(8)
Temporary Event SignSee zone-specific; 8 sq ft (residential), 8-32 sq ft (commercial/industrial by zone)1 per business per street frontageNot on public property or ROW or blocking sightlines; see also zoneUnlock§155.04(B)(9)
Residential Development Identification Structure75 sq ft (including monument)Major entrance to subdivision/apartment complex/PDUnlock§155.04(B)(10)

C-2 General Commercial, C-3 Highway Commercial, C-5 Town Center Mixed-use, I-1 Light Industry, I-2 General Industry

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Temporary Event Sign (C-2)24 sq ft1 per business per street frontageUnlock§155.04(B)(9)(2)
Temporary Event Sign (C-3)32 sq ft1 per business per street frontageUnlock§155.04(B)(9)(2)
Flush-Mounted Wall Sign3 ft above roofline300 sq ft per street frontageOn wall of buildingUnlock§155.03(C), §155.04(D)(1)
Projecting Sign3 ft above roofline (not on roof), minimum 8 ft above ground12 sq ft3 ft projection from building1 per street frontageAttached to exterior wall, or suspended under awning/canopy/marquee; not to project over public ROW/closer than 2 ft to curbUnlock§155.04(D)(2)
Shopping/Office Center Monument Sign (Center Only)Not to extend more than max height for freestanding graphic in district100 sq ft (center identification), 200 sq ft (center and tenants)Not to intrude into public ROW or private lot line; not higher than 2 ft in sight triangle1 per street entranceOn-premisesUnlock§155.04(D)(5)
Freestanding Sign - Option 1 (One per lot)25 ft (C-2, C-5), 80 ft (C-3, I-1, I-2; with 25 ft max on parcels by US Hwy 40 per details)100 sq ft (C-2, C-5), 300 sq ft (C-3, I-1, I-2)12 ft any dimensionNo projection over lot line; placement as per spacing rules1 per lot (C-2, C-5); max 2 per lot (C-3, I-1, I-2)On-premisesUnlock§155.04(D)(6)
Freestanding Sign - Option 2 (Second sign C-3, I-1, I-2 only)25 ft100 sq ft; may be up to 25 ft high if second signNot over lot line; see spacing2 per lot allowed in districts listedOn-premises, C-3, I-1, I-2 onlyUnlock§155.04(D)(6)
Off-Premises Sign (By Special Permit)25 ft100 sq ft5 per mile per sideEdwardsville Rd/Hwy 162 and Hwy 40, with restrictionsUnlock§155.04(D)(7)

Commercial zoning districts

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Flush-Mounted Wall Sign3 ft above roofline300 sq ft per frontageBuilding wallUnlock§155.03(C),(D); §155.04(D)(1)
Projecting Sign3 ft above roofline; minimum 8 ft above ground12 sq ft3 ft projection1 per street frontageBuilding exterior wall, or suspended under awning/canopy/marqueeUnlock§155.04(D)(2)
Awning/Canopy/Marquee SignIncluded in flush/projecting sign calculationsAttached to or suspended from awning/canopy/marqueeUnlock§155.04(D)(4)
Window Sign (Permanent)20% of window or 20 sq ft (whichever is less)Window (on or painted on)Unlock§155.04(D)(3)
Freestanding Sign25 ft (C-2, C-5), 80 ft (C-3, I-1, I-2; except parcels by US Hwy 40: max 25 ft)100 sq ft (C-2, C-5), 300 sq ft (C-3, I-1, I-2)12 ft any dimensionMin 150 ft apart if two allowed; see special distance rules1 per lot (except 2 in C-3, see industrial for rules)On-premisesUnlock§155.04(D)(6)
Shopping/Office Center Monument SignSubject to freestanding graphic rules in district100 sq ft (center ID only), 200 sq ft (center/tenants)Not to project over/intrude into ROW or private lot line; not over 2 ft high in intersection sight triangle1 per street entranceOn-premises, at street entranceUnlock§155.04(D)(5)

PermitPal covers all 8 zoning districts in Troy — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.

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Prohibited Signs in Troy

  • Any graphic or sign not expressly permitted by this chapter is prohibited in the city.
  • No signs or advertisements shall be installed or erected upon any public property.
  • It is unlawful to attach any sign, advertisement or notice to any tree or shrub in any street, parkway or other public place in the city.
  • It is unlawful to place any sign or advertisement on any property without the written consent of the owner thereof.
  • No sign structure shall be erected at any street intersection in such a manner as to obstruct free and clear vision of motorists in a moving traffic lane of intersecting traffic.
  • No graphic which revolves, rotates, or mechanically moves in any manner shall be permitted in the city.
  • No graphic shall have blinking, flashing, or fluttering lights, which have a changing light intensity, brightness, or color. Beacon lights are prohibited.
  • No red, yellow, orange, green, or other colored light shall be used within 200 feet of a traffic sign or device.
  • No exposed reflective-type bulb and no strobe light or incandescent lamp that exceeds 15 watts or equivalent shall be used on the exterior surface of any graphic in such a manner as to expose the face of the bulb, light, or lamp to any public street or adjacent property.
  • No graphic shall be erected, relocated, or maintained so as to prevent free access to any door, window, fire escape, or driveway.
  • No graphic shall be erected or maintained in such a manner that it interferes with, obstructs the view of, or can be confused with any authorized traffic sign, signal, or device.
  • No sign or graphic shall contain the words 'stop', 'go', 'caution', 'danger', 'warning' or similar words unless these words are part of a business name.
  • Mobile/portable signs are prohibited everywhere in the city.
  • Graphics consisting of banners, pennants, streamers, ribbons, strings of exposed light bulbs, spinners, or similar devices are prohibited.
  • Graphics attached to trees, fences or public utility poles (except warning signs or those graphics issued by public utilities) are prohibited.
  • Abandoned signs are prohibited and must be removed as provided.
  • Roof-mounted graphics that extend more than three feet above the highest point of the roof are prohibited.
  • Off-premises signs are prohibited except as provided by special use permit or in accordance with the State Highway Advertising Control Act.
  • Snipe signs are prohibited.
  • No sign shall be displayed in a way that blocks or tends to block sight lines for vehicular traffic.
  • Temporary signs may not be placed on public property; on any public right-of-way; on any utility pole or tree; on any street or road sign or sign pole; on any other person's property without express verbal permission; or in any location that blocks or tends to block sight lines for vehicular traffic.

Exempt Signs in Troy

  • Temporary for sale or for lease signs advertising new residential subdivision development (with area and time restrictions).
  • Temporary construction signs in commercial and industrial zones identifying architects, engineers, contractors, etc., or announcing the building’s character or purpose but not advertising any product (with area and location restrictions).
  • On-premises directional signs such as those identifying entrances, exits, parking, bathrooms, phones, and similar, not exceeding six square feet.
  • Flags of any country, state, or unit of local government, with a maximum of three per establishment or house.
  • Governmental or public signs such as traffic control, railroad crossings, legal notices, emergency signs authorized by the Building & Zoning Official.
  • House numbers and/or resident-only name signs for the premises, not exceeding three square feet for single-family or six square feet for multifamily.
  • Integral signs, memorial signs, or tablets carved or inlaid into buildings with information such as date of erection, building name, memorial tributes.
  • Interior signs inside any building or within enclosed lobbies, courts, or interior enclosed/fenced sporting areas.
  • Property regulation signs such as no trespassing, beware of dog, etc., not exceeding three square feet.
  • Temporary event signs, subject to quantity, timing, and size limits, and with placement/location constraints as specified.
  • Residential development identification structures at major entrances (no commercial advertising), not exceeding 75 square feet, and located on-premises.
  • Utility company signs serving public safety or indicating public telephones, underground cables, etc.
  • Historic building signs or plaques up to four square feet with no advertising.
  • Public signs such as street identification, traffic signs, and other government interest signs.
  • Home occupation interior or exterior business signs up to two square feet, unlighted, installed only on the dwelling.

Sign Plan & Submission Notes for Troy

  • A comprehensive sign plan may be submitted, reviewed, and approved by the Planning Commission and City Council as part of a Planned Development (PD) or planned development district. Conditions and standards regarding signs may be included as part of approved PDs.
  • A sign package is required for review by the Planning Commission for (1) electronic message center signs in the C-4 zoning district; or (2) in the opinion of the Building & Zoning Official, any sign may be brought to the Planning Commission for review and approval, including projects with multiple buildings/tenants, unique site circumstances, or creative/significantly different signage proposals.
  • Signs within an approved sign package may deviate from standard criteria if a variance is approved.
  • Sign permit applications for newly constructed buildings must include a site plan displaying all sign locations, a complete set of final drawings displaying all elevations, and the building permit number.
  • Any request for a variance to sign regulations requires a written application, public hearing, and approval process before the Planning Commission and City Council.
  • The approved sign package for a development is retained on file in the Building & Zoning Department, and a sign permit is required for each sign in the approved package.
  • Applications to amend an approved sign package must be made to the Planning Commission for review and recommendation.