Dimensional standards
Extracted standards
33 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Signage
- Maximum change time for digital changeable copy0.25 seconds
Each change of the display or copy shall be accomplished within 0.25 seconds or less if the change is affected by digital means, or two seconds if the change is effected by mechanical means.
- Maximum change time for mechanical changeable copy2 seconds
Each change of the display or copy shall be accomplished within 0.25 seconds or less if the change is affected by digital means, or two seconds if the change is effected by mechanical means.
- Minimum static display time for automatic changeable copy8 seconds
The display or copy shall remain static prior to each change for a period of not less than eight seconds.
- Minimum clearance for awning sign8 ft
Maintain a minimum vertical distance of eight feet between the bottom of the sign and the grade directly below the bottom of the sign.
- Maximum area of canopy sign as percentage of canopy face20 pct
The sign area of a canopy sign shall not exceed 20 percent the area of the vertical face of the side of the canopy roof structure to which it is attached.
- Exempted sign types
Carved masonry, bronze plate <=4 sqft, gravestones, traffic control, city property, required by law, etc.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of ground sign (general)25 ft
A ground sign shall not exceed a height of 25 feet.
- Maximum luminance during daylight hours1,500 nits
The luminance of a sign shall not exceed 1,500 nits during daylight hours and 150 nits at all other times.
- Maximum luminance at night150 nits
The luminance of a sign shall not exceed 1,500 nits during daylight hours and 150 nits at all other times.
- Maximum number of sign faces2 faces
No sign shall have more than two faces.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of monument sign (general)12 ft
A monument sign shall not exceed a height of 12 feet.
- Minimum setbackSetbackThe distance a building must be held back from a lot line. from right-of-way for monument sign1 ft
A monument sign shall not be located less than one (1) foot away from any right-of-way.
- Maximum area for off-premises signs672 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
The maximum sign area shall not exceed 672 square feet;
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. for off-premises signs50 ft
The maximum height shall not exceed 50 feet;
- Minimum setbackSetbackThe distance a building must be held back from a lot line. from lot lines for off-premises signs15 ft
Be located not less than 15 feet from any other lot line, or, if the lot line adjoins property in the NR, GR, UR, or UR-M district, by a distance at least equal to the height of the sign;
- Minimum setbackSetbackThe distance a building must be held back from a lot line. from right-of-way for off-premises signs25 ft
Be located not less than 25 feet from the right-of-way of any public street;
- Minimum spacing between off-premises signs500 ft
Be erected not less than 500 feet from any other off-premises sign on the same side of the same street.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of pole sign (general)25 ft
A pole sign shall not exceed a height of 25 feet.
Roof signs, pennants, balloons >2ft diameter with tether >2ft, obsolete signs, portable signs, off-premises except in IL/IN, movement/animation, signs in right-of-way except A-frame/T-frame, signs mimicking traffic control, signs obstructing view.
- Maximum area of projecting sign12 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Not exceed 12 square feet in area;
- Maximum extension of projecting sign from building6 ft
Not extend more than six feet from a building to which it is attached;
- Minimum clearance for projecting sign8 ft
Maintain a minimum vertical distance of eight feet between the bottom of the sign and the grade directly below the bottom of the sign;
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of A-frame or T-frame sign3.5 ft
Sign area shall not exceed two feet in the horizontal dimension and three and one-half feet in the vertical dimension.
- Maximum width of A-frame or T-frame sign2 ft
Sign area shall not exceed two feet in the horizontal dimension and three and one-half feet in the vertical dimension.
- Maximum display days per year for temporary banner pole sign60 days
A temporary banner pole sign shall not be displayed for a cumulative period of time longer than 60 days in any calendar year.
- Maximum display days per year for temporary banner sign30 days
Unless affixed to temporary protective fencing in accordance with this section, a temporary banner sign shall not be displayed for a cumulative period of time longer than 30 days in any calendar year.
- Maximum display days per year for temporary inflatable sign7 days
Be displayed no more than once per year per lot, for a period of time not to exceed seven days.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of wind sail sign9 ft
A wind sail sign shall not exceed nine feet in height;
- Minimum setbackSetbackThe distance a building must be held back from a lot line. from right-of-way for wind sail sign7 ft
A wind sail sign shall not be located less than seven feet from the right-of-way.
- Minimum spacing between wind sail signs25 ft
A wind sail sign shall not be located within 25 feet of another wind sail sign on the same lot.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of temporary yardYardThe open space left between a building and its lot line — the space a setback creates. sign6 ft
A yard sign shall not exceed six feet in height.
- Maximum total area of temporary yardYardThe open space left between a building and its lot line — the space a setback creates. signs per lot24 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Up to four temporary yard signs having a combined sign area not exceeding 24 square feet are allowed per lot.
- Maximum area of window signs as percentage of window façade20 pct
On any floor of a building, the total sign area of window signs shall not exceed 20 percent of the façade area comprised of windows.
From the ordinance
Signs are regulated to protect public safety, enhance aesthetics, and balance communication needs.