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Porter County, IN Sign Regulations: Digital Billboards (2026)

Heavy Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Electronic changeable-copy text
Not allowed, manual text only
Applies to districts
SI-04, SI-05, SI-06, SI-07, SI-08
Blinking/flashing/color-change signs
Prohibited countywide
Changeable copy area cap
80% of host wall or ground sign
Off-premise billboards
No permitted-use category exists
UDO effective date
June 15, 2007

Summary

Porter County's Unified Development Ordinance flatly bars electronic and lighted text on the changeable-copy signs it permits: Section 5.49 SI-04(A)(1)(g) allows manually placed changeable copy on a wall or ground sign but states outright that electronically placed text or lighted text is not allowed. Countywide, Section 5.46 SI-01(E)(1) separately prohibits any sign with blinking, flashing, or color-changing lights.

These county ordinances apply to unincorporated areas of Porter County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

g. Changeable Copy: Changeable copy is permitted as a part of a permanent wall and/or ground sign as follows: i. Prerequisite: Any changeable copy sign shall be integrated into a wall or ground sign. When integrated, the combined sign area shall not exceed the maximum allowable square footage for that type of sign. ii. Area: The changeable copy sign area shall not exceed eighty percent (80%) of a ground sign or wall sign that meets the regulations for that type of sign. iii. Physical Characteristics: Manually placed text allowed. Electronically placed text or lighted text is not allowed.

Full Breakdown

Digital billboards and LED message boards have no path to approval under the Porter County Unified Development Ordinance. 49 SI-04(A)(1)(g)(iii), governing the Office and Institutional district, spells out the technology limit directly, manually placed text is allowed, electronically placed text or lighted text is not. 53 SI-08(A)(1)(h)(iii), so the electronic-text ban applies across every commercial, office, and industrial sign district in the county, not just one. 46 SI-01(E)(1)(c): signs are prohibited outright if they have blinking, flashing, or fluttering lights, or a changing light intensity, brightness or color, or give such illusion, language that reaches scrolling or color-cycling LED displays even outside the changeable-copy context.

Off-premises advertising signs, which the UDO's definitions chapter calls 'Sign, Outdoor Advertising' and notes are 'also called billboard or off-premise sign,' are not listed among the sign types permitted in any of the eight sign districts (SI-01 through SI-08), so a freestanding digital billboard advertising an off-site business has no permitted-use category to apply under in the first place. These standards carry the UDO's stated effective date of June 15, 2007, and should be confirmed against any amendment adopted since then.

Violations & Fines

Installing a sign with electronically placed or lighted changeable-copy text, or any sign that blinks, flashes, or cycles color or brightness, violates the Changeable Copy standards in Sections 5.49 through 5.53 and the Animated Signs prohibition at Section 5.46 SI-01(E)(1). Porter County enforces Chapter 5 of the Unified Development Ordinance through the Sign Permit process in Chapter 10; a sign installed in a prohibited electronic format can be ordered retrofitted to a manual, static display or removed.

Frequently Asked Questions

Can a business put up a digital billboard in Porter County?
No. The Unified Development Ordinance does not list off-premises billboards among the permitted sign types in any of its eight sign districts, and the changeable-copy provision governing on-premise signs, Section 5.49 SI-04(A)(1)(g)(iii) and its counterparts in Sections 5.50 through 5.53, states plainly that electronically placed or lighted text is not allowed.
Are LED message boards allowed on a business sign in Porter County?
Only the manual kind. Changeable copy may be added to a permitted wall or ground sign, capped at eighty percent of that sign's area, but Section 5.49 SI-04(A)(1)(g)(iii) requires the text to be manually placed; electronically placed or lighted text is barred outright.
Does Porter County ban flashing or color-changing signs generally?
Yes. Section 5.46 SI-01(E)(1)(c) of the Unified Development Ordinance prohibits any sign with blinking, flashing, or fluttering lights, or a changing light intensity, brightness, or color, a rule that applies to every sign district in the county, not just commercial changeable-copy signs.

Sources & Official References

Other rules in Porter County

All Porter County rules

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