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Iron County, UT Home Business: Signage Rules (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Sign size limit
2 square feet or less
Illumination
Non-illuminated only
Number of signs
One identification sign
Permit tied to sign
Administrative land use permit, Ch. 17.38
Enforcing agency
Iron County Building and Zoning Department

Summary

Iron County Code Section 17.36.280(H) limits an expanded home occupation to a single, non-illuminated identification sign no larger than two square feet. The sign condition is one of the standards the zoning administrator checks before issuing the administrative land use permit that authorizes a home-based business.

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

H.Has signage limited to a non-illuminated identification sign two square feet or less in size;

Full Breakdown

Section 17.36.280 sets the conditions the Iron County zoning administrator must find satisfied before granting an administrative land use permit for an expanded home occupation. Subsection H is the signage rule: the business may have signage limited to a non-illuminated identification sign two square feet or less in size. That is the only sign permitted for an expanded home occupation under this section; there is no allowance for a larger sign, a lighted sign, banners or off-premises advertising for the business. The sign condition works together with the other appearance-related requirements in the same section: the dwelling and accessory structures must retain the architecture and outside appearance of a residence and residential neighborhood (subsection F), and the business cannot generate abnormal light, noise, dust, odor or interference noticeable beyond the property line (subsection G).

Any trailer used for the home occupation and bearing advertising may not be parked in the street or front yard (subsection E), reinforcing that the county wants a home business to be visually indistinguishable from an ordinary residence except for the small identification sign. Because the sign limit is a condition of the permit itself rather than a stand-alone sign ordinance, installing a larger or illuminated sign puts the entire administrative land use permit at risk of denial, conditioning or revocation, not just the sign.

Violations & Fines

A sign exceeding two square feet, or an illuminated home-business sign, violates Section 17.36.280(H) and can result in permit revocation under Section 17.72.140 as well as zoning enforcement under Chapter 17.72: a Class B misdemeanor carrying up to a $1,000 fine and six months in jail, or an administrative citation with fines up to $200 initially and $200 weekly under Section 17.72.100.

Frequently Asked Questions

How big can my home business sign be in unincorporated Iron County?
Iron County Code Section 17.36.280(H) limits an expanded home occupation to one non-illuminated identification sign of two square feet or less. No larger, lit, or additional signage is allowed for a home business under this section.
Can I put up a lighted sign for my home business?
No. Section 17.36.280(H) specifies the permitted sign must be non-illuminated, so an internally or externally lit sign does not meet the condition and can jeopardize the administrative land use permit that authorizes the home occupation in the first place.
What happens if my sign is too large?
An oversized or illuminated sign is a violation of the permit condition in Section 17.36.280(H). The zoning administrator can revoke or condition the administrative land use permit under Section 17.72.140, and the county can pursue zoning enforcement under Chapter 17.72, including fines or a Class B misdemeanor charge.

Sources & Official References

Other rules in Iron County

All Iron County rules

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