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St. Petersburg, FL Sign Regulations: Digital Billboards (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified October 2026

Key Facts

Where allowed
Within 100 feet of the interstate right-of-way, including downtown feeders
Entry requirement
Enforceable agreement reducing off-premise signs under F.S. § 70.20
Spacing
2,500 feet from another digital sign facing the same direction
Maximum face size
14 feet 1¾ inches high by 48 feet 2¼ inches wide
Minimum dwell time
Ten seconds, with instantaneous message changes
Brightness cap
0.3 foot candles above ambient light
Daily fines
$1,000.00, then $2,500.00, then $5,000.00 per day

Summary

St. Petersburg allows digital or electronic off-premise signs only within 100 feet of the interstate right-of-way, including the downtown feeders, and only under an enforceable agreement that reduces the number of off-premise signs in the City. Each face must hold a message for at least ten seconds, sit 2,500 feet from the next digital face, and stay within 14 feet by 48 feet.

Digital or electronic off-premise signs shall only be allowed within 100 feet of the right-of-way of the interstate, including the downtown feeders. ... A digital or electronic off-premise sign shall be at least 2,500 feet from any other digital or electronic off-premise sign facing the same direction on the same roadway, regardless of ownership. Such distance shall be measured along the centerline of the abutting roadway. ... The sign face of each sign shall not exceed 14 feet and 1¾ inches in height and 48 feet and 2¼ inches in width. ... defined as the interval of change between each individual message, shall be at least ten seconds. Any change of message shall be completed instantaneously. ... The maximum brightness shall be 0.3 foot candles above the ambient light measured 150 feet perpendicular from the face of a sign that is less than or equal to 300.0 square feet in area ... The fine for a violation of any provision of this section pertaining to a digital or electronic off-premise sign shall be not less than $1,000.00 per day for the first violation, $2,500.00 per day for the second violation, and $5,000.00 per day for the third and subsequent violations

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 54).

Full Breakdown

Section 16.40.120.8 of the St. Petersburg City Code makes a digital billboard a negotiated exception, not a by-right use. Subsection A allows these signs only in conjunction with an approved enforceable agreement that provides for a reduction in the number of off-premise signs in the City, authorized under F.S. § 70.20, the Bert J. Harris, Jr. Private Property Rights Protection Act. Under subsection B, once an existing conforming or nonconforming sign is demolished, removed and disposed of without a replacement authorized by such an agreement, that property loses off-premise signs as a permitted structure. Before any sign permit issues, subsection C requires a letter or other written documentation from the State of Florida showing the sign is not subject to State regulation, complies with it, or will comply as proposed.

Location is tight. Digital faces are allowed only within 100 feet of the interstate right-of-way, including the downtown feeders. They are prohibited on the same site as a National Register or locally designated historic structure or within a historic district, within 500 feet of such a structure unless an interstate or feeder separates the two, and within 500 feet of residentially zoned property, measured from the leading edge of the sign face to the closest residential property line. A digital sign must be at least 2,500 feet from any other digital off-premise sign facing the same direction on the same roadway, measured along the centerline of the abutting roadway, and a driver must not be able to read more than one digital face at once.

A face cannot exceed 14 feet and 1¾ inches in height and 48 feet and 2¼ inches in width, with the black border counted in the area. Height tops out at 25 feet or the height of the static billboard being replaced, whichever is greater, and the City verifies that existing height before the old sign is altered or removed.

Operating rules: a dwell time of at least ten seconds, instantaneous message changes, no special effects, a static message with no animation, flashing or scrolling, and no consecutive slots that answer a question or continue a sentence or story line. A light sensor must hold brightness to 0.3 foot candles above ambient light, measured 150 feet from faces of 300.0 square feet or less, 200 feet for faces up to 378.0 square feet, and 250 feet for larger faces. The sign must go dark or show full black on malfunction. No variances are available, and the POD will not accept a variance application.

The authorization is time-limited. Subsection F ends the digital allowance on the 20th anniversary of Ordinance No. 35-H, effective August 23, 2012, when the owner must convert each digital sign to a static sign or demolish it at its own expense.

Violations & Fines

Violations are pursued under Chapter 9 of the City Code. For a first-time alleged breach of the lighting, brightness, message sequencing or dwell time standards, six hours is deemed a reasonable time to cure, and time spent with the display turned off tolls that clock. The fine for any violation involving a digital off-premise sign is not less than $1,000.00 per day for the first violation, $2,500.00 per day for the second, and $5,000.00 per day for the third and each later violation, set by the Code Enforcement Board under F.S. 162.09(2)(d).

Frequently Asked Questions

Can I put a digital billboard on any commercial lot in St. Petersburg?
No. Digital or electronic off-premise signs are allowed only within 100 feet of the interstate right-of-way, including the downtown feeders, and only with an approved enforceable agreement with the City reducing off-premise signs. They are barred within 500 feet of residentially zoned property and near historic structures or districts, and no variance can be granted.
How far apart must two digital billboards be?
A digital off-premise sign must be at least 2,500 feet from any other digital off-premise sign facing the same direction on the same roadway, regardless of ownership. The distance is measured along the centerline of the abutting roadway. Separately, signs must be spaced so a driver cannot read more than one digital face at the same time.
How often can the message change?
Each message must stay up at least ten seconds, and the change must be completed instantaneously with no special effects between messages. The message must be static, with no animation, flashing, scrolling or varying light intensity. Consecutive slots cannot answer a question, finish a sentence or continue a story line from the prior slot.
What happens when a digital sign is too bright or malfunctions?
Each sign needs a light sensor holding brightness to 0.3 foot candles above ambient light, measured at 150, 200 or 250 feet depending on face area. A sign that causes glare must be turned off or show full black until compliant, and it must default to off or full black on a visible malfunction. A first-time lighting violation gets a six-hour cure period.
Do digital billboards in St. Petersburg stay legal forever?
No. Subsection F ends the digital allowance on the 20th anniversary of Ordinance No. 35-H, effective August 23, 2012. The owner must then convert each digital sign to a legally nonconforming static sign or demolish it and remove all debris. A final court order invalidating the section can also void authorizations and require removal within 30 days.

Sources & Official References

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