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Porter County, IN Home Business: Signage Rules (2026)

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

Key Facts

Sign count
One sign only
Size cap
2 square feet maximum
Illumination
Non-illuminated only
Placement
On primary structure; no yard signs
Offsite signs
Prohibited entirely

Summary

A Porter County home occupation may display just one non-illuminated sign, capped at two square feet, mounted on the primary structure. UDO § 5.21 HO-01(E) bans any offsite sign or yard sign for a home-based business outright.

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.

E. Sign Standards: One (1) non-illuminated sign, not exceeding two (2) square feet, will be allowed on the primary structure. Offsite signs and signs in the yard are prohibited.

Full Breakdown

21 HO-01(E) allows one non-illuminated sign, not exceeding two square feet, on the primary structure of the property where the home occupation operates, and it flatly prohibits offsite signs and any sign placed in the yard. 1 that there shall be no visible evidence of the home occupation, including exterior alterations, displays, or outdoor storage that change the residential character of the property. Because the sign must be non-illuminated, a lit or electronic sign of any size is barred outright, not merely oversized ones. The sign rule works together with the operation standards in §C, which cap the business's traffic and hours to residential norms, and the permitted-use list in §F, which limits home occupations to domestic crafts, professional services, catalog businesses, and internet businesses; taken together, the sections keep any home business visually indistinguishable from a private residence apart from the single, small identifying sign the ordinance allows.

Violations & Fines

Posting an unpermitted sign, an illuminated sign, an oversized sign, or any offsite or yard sign for a home business is a civil zoning violation under UDO § 11.10.A.1 (sign not specifically permitted). The Plan Commission or Executive Director can order its removal, and a court-imposed fine of $50 to $2,500 applies under §11.09, with each day the sign remains counted as a separate violation.

Frequently Asked Questions

How big can a home business sign be in Porter County?
No larger than two square feet, and only one such sign is allowed, mounted on the primary structure, under §5.21 HO-01(E).
Can a home business use a lit sign?
No. §5.21 HO-01(E) requires the single allowed sign to be non-illuminated; there is no size at which a lit sign becomes permitted for a home occupation.
Can I put a home business sign in my yard or by the road?
No. §5.21 HO-01(E) prohibits both offsite signs and any sign placed in the yard, restricting the single allowed sign to the primary structure itself.

Sources & Official References

Other rules in Porter County

All Porter County rules

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