Zoning Ordinance, Section 6: Sign Regulations

§ 6.05 Provisions Applicable To Commercial And Industrial Zones

The text in force today, and every version since 2010.

Unofficial compilation built from the City's published 2010 Code chapters and the text of adopted ordinances. Effective dates are inferred from adoption records; scanned chapters were OCR'd. The City of Tiffin's adopted Code of Ordinances governs. Not legal advice.

6.05 PROVISIONS APPLICABLE TO COMMERCIAL AND INDUSTRIAL ZONES

In the Commercial and Industrial Zones, signs may be permitted as follows:

A. The total surface area of all advertising, business and identification signs on a lot may not exceed the total area determined by applying the ratio of permitted sign area in square feet to linear feet of street frontage as shown in the following Table 1.

B. The number of advertising and business signs for a zoning lot may not exceed the number shown in Table 1.

C. The surface area in square feet of any one face of any permitted advertising or business sign may not exceed the area shown in Table 1.

D. For non-business and non-industrial uses, signs are permitted as regulated by the Business classifications on Table 1.

E. No wall sign may project above the roof or parapet line more than 48) inches nor extend into any required yard more than 18 inches from the wall to which it is attached.

F. No sign may be erected directly upon the roof of any building.

G. Only one business ground sign is permitted within the front yard or corner side yard for each street frontage of a business or industrial use on a lot, and the bottom edge of any ground sign erected in the front yard or corner side yard may be at least ten feet above ground level or the top edge of the sign may be less than three feet in height. The sign, including its sign structure, must be set back from all property lines adjacent to a street one foot for every ten square feet of sign area for the largest single face of any sign, and in no case may the setback be less than one-fourth of any required front or corner side-yard distance. No business ground sign may exceed a height of 30 feet above the grade of the closest public right-of-way line, except business ground signs located along a toll way may be permitted to a height of 60) feet above the grade of the closest public right-of-way when approved as a Special Use.

H. Advertising signs are permitted only in the zones as indicated on Table 1. If an advertising sign is allowed in any of the remodeling commercial, or industrial districts under the State of Iowa Highway Advertising Control Act, an applicant may follow the procedures for a Special Use and appropriate proof of control under Iowa Code provisions for both the subject site and subject sign must be submitted to the City Council. The City Council may apply specific standards on a Special Use that protect the public health, safety, and welfare where specific standards under the Iowa Code have not been specifically stated.

I. All advertising signs including their sign structures and all other parts may be set back from all public rights-of-way and/or residential zones at least one (1) foot for every two square feet of sign area. No advertising ground sign may exceed a height of 30 feet above the grade of the closest public right-of-way, line except advertising ground signs located along interstate highways or expressways may be permitted to height of 60 feet above the grade of the closest public right-of-way when approved as a Special Use. Advertising ground signs that propose to exceed these heights must follow the provisions for variances under this Ordinance.

J. The surface area in square feet of any one face of any advertising sign that may be allowed as a Special Use may not exceed the area shown in Table 1. If the State of Iowa Highway Advertising Control Act does allow a larger surface area for a sign on a specific property, then the provisions of letter H. of this Section must apply concerning a Special Use and the provisions of Section I. of this Section concerning setbacks and heights.

K. Advertising sign structures as a Permitted Use are limited to not more than one along any 1,000 feet of street frontage on the same side of a street. Advertising sign structures as a Special Use may be allowed at not more than one along any 500 feet of street frontage on the same side of a street. No structure may carry more than two signs per facing and the total area of the sign or signs for any one facing may not exceed the maximum sign size per sign face restrictions shown on Table 1.

2010 Code (city website file), in force from August 11, 2010 · source page

In the 2026 draft recodification (not adopted) this is § 167.05.

History

FromToSourceHowDocument
Aug 11, 2010today 2010 Code base text · text p. 119

Dates: an Iowa ordinance takes effect when it is published after adoption. Where the clerk's certificate records the publication date it is used; otherwise the adoption date stands in for it. "Not yet consolidated" means the ordinance amends this section but its new text has not been checked into this compilation yet: read the ordinance.

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Data last updated October 15, 2026. Built from the archive's documents; see how the data is built.