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Dubuque, IA Solar Energy: Expedited Solar Permitting (2026)

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

Key Facts

Waiver-eligible array size
Up to 500 sq. ft., 20 feet tall
By-right array without waiver
100 sq. ft., 10 feet tall
Eligible districts
R-1, R-2, R-2A, R-3, R-4, OR, OC
Issuing authority
City planner (no board hearing)
Required consent
All abutting owners must sign waiver
Fallback path
Special exception, zoning board of adjustment

Summary

Dubuque lets the city planner approve a residential freestanding solar array up to 20 feet tall and 500 square feet through an administrative waiver, skipping the zoning board of adjustment entirely, in the R-1, R-2, R-2A, R-3, R-4, OR and OC districts. The catch: every abutting property owner, including anyone directly across the street or alley, must sign a waiver form agreeing to it first.

16-3-11: ADMINISTRATIVE WAIVER FOR FREESTANDING SOLAR ARRAY: ... Purpose: ... The purpose of the administrative waiver process for residential freestanding solar arrays is to facilitate the installation of freestanding solar arrays in residential and office districts while ensuring compatibility with existing development patterns and protecting investments made by surrounding property owners. ... Issuance Of Waiver: The city planner shall issue a waiver only for freestanding solar arrays that comply with the following criteria. If the following criteria are not met, then the applicant still has the opportunity to apply for a special exception through the zoning board of adjustment. C ... riteria: ... An administrative waiver for a freestanding solar array is available in the following residential and office zoning districts: R-1, R-2, R-2A, R-3, R-4, OR and OC districts. ... An administrative waiver is available for a freestanding solar array up to a maximum of twenty feet (20') in height and five hundred (500) square feet in area.

Full Breakdown

Under City Code section 16-3-11, the administrative waiver exists specifically to speed up freestanding solar array installations in residential and office districts without forcing every homeowner through a special exception hearing. The city planner issues the waiver only if the array stays within the district list and the 20-foot height, 500 square foot area ceiling. The applicant must prepare a site plan showing the array's distance to the side and rear lines and an elevation rendering showing height and width, both reviewed for completeness by planning services staff, then meet with each abutting owner to walk through those materials before collecting signed waiver forms.

Planning staff verifies the application, has the applicant sign before a notary confirming the neighbor meetings occurred, and notifies building services once approved. If even one abutting owner won't sign, or the array exceeds the waiver's size limits, the applicant must instead apply for a special exception through the zoning board of adjustment, a longer public-hearing process. Separately, section 16-5-2-3 already permits smaller freestanding solar collectors, up to 100 aggregate square feet and 10 feet in height, outright as a residential accessory use with no waiver or hearing needed at all.

Violations & Fines

Installing a freestanding solar array beyond the by-right 100 square foot/10 foot accessory allowance without either an administrative waiver or a zoning board special exception is a municipal infraction under section 1-4-2, punishable by a civil penalty up to $750 for a first offense and up to $1,000 for repeat offenses, with each day of noncompliance a separate offense.

Frequently Asked Questions

Can Dubuque approve a home solar array without a public hearing?
Yes, if it qualifies. The city planner can issue an administrative waiver for a freestanding solar array up to 20 feet tall and 500 square feet under section 16-3-11, bypassing the zoning board of adjustment entirely, as long as every abutting property owner signs off.
How big can my solar array be with no city approval at all?
Section 16-5-2-3 permits a freestanding solar collector as an outright accessory use in R-1 up to 100 aggregate square feet and 10 feet in height, with no waiver, notarized form, or hearing required for that smaller size.
What happens if my neighbor won't sign the solar waiver form?
The administrative waiver requires every abutting owner, including those across the street or alley, to sign. If any owner declines, the applicant must instead apply for a special exception through the zoning board of adjustment, which involves a formal hearing process.
Which Dubuque zoning districts qualify for the solar waiver?
The administrative waiver under section 16-3-11 is available only in the R-1, R-2, R-2A, R-3, R-4, OR and OC zoning districts; arrays proposed in other districts are not eligible for this streamlined process.

Sources & Official References

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