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Dane County, WI Sign Regulations: Garage Sale Signs (2026)

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

Key Facts

Signs per parcel
1 (plus 1/crop row in ag districts)
Max size
32 square feet
Max height
12 feet
Display period
60 days, twice/yr, non-consecutive
Permit required
No
Forfeiture
$50-$200 per offense

Summary

Dane County treats a garage-sale sign as a temporary sign under its zoning ordinance: only one sign per parcel, capped at 32 square feet and 12 feet tall, and displayable for just 60 days, twice a year, with the two periods barred from running back-to-back. No zoning permit is needed, but illumination, flashing lights, and inflatable attention-getters are flatly prohibited.

City-specific rules exist: Middleton, and Sun Prairie have their own garage sale signs rules that differ from Dane County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

(3) Temporary signs. (a) Number. One sign is allowed per parcel. For on premise advertising signs in agricultural districts, there shall not be more than one sign per row of crop. (b) Maximum size shall be 32 square feet, and maximum height shall be 12 feet. (c) Setback requirements. 1. Must meet requirements of s. 10.802(d) for on-premises ground signs. 2. Must be outside of Vision Clearance Triangle. (d) Illumination. No temporary signs shall be illuminated or have the potential to be illuminated. (e) Flashing/moving lights. Signs may not contain flashing lights or moving parts. (f) Display period. Signs are limited to a period of 60 days two times per year. The 60-day periods shall not run consecutively. (g) Inflatable signs/objects, air dancers, or feather flags shall be prohibited as temporary signs.

Source: Madison MGO Ch. 31View official code

Full Breakdown

803(3) of the zoning ordinance classifies a garage-sale sign as a temporary sign, meaning it falls outside the permit process that governs permanent ground, pylon, and wall signs elsewhere in Chapter 10. The tradeoff for skipping a permit is a tight set of numeric limits: one sign per parcel (agricultural districts may add one sign per row of crop for on-premise advertising), a 32-square-foot maximum area, and a 12-foot maximum height. Placement is not free-form, the sign must satisfy the setback rule that applies to on-premises ground signs under s.

802(d) and must sit entirely outside the Vision Clearance Triangle at intersections and driveways, so a sign propped at a corner lot's edge can still be cited even if it meets the size cap. The county also regulates how long a sign stays up: two display windows per year, each capped at 60 days, and the ordinance specifically bars stringing the two periods together to create one long season. Illuminated signs, flashing lights, moving parts, and inflatable objects, air dancers, or feather flags used as temporary signage are prohibited outright, regardless of size or duration.

Enforcement runs through the zoning administrator under s. 101, which treats every day a violation continues as a separate offense and authorizes citations under Chapter 2 of the county code.

Violations & Fines

A temporary sign that runs past its 60-day window, exceeds 32 square feet, is illuminated, or sits inside the Vision Clearance Triangle is a zoning violation. Under s. 10.101(4)(d), Dane County can impose a forfeiture of not less than $50 and not more than $200 per offense, and s. 10.101(4)(a) treats each day the sign remains up as a separate offense, so a stale garage-sale sign can compound quickly.

Frequently Asked Questions

Does a Dane County garage-sale sign need a zoning permit?
No. Section 10.803(3) places it in the "signs allowed without a permit" category, but it still must meet the size, height, setback, and display-period limits set out in that section: skipping the permit doesn't exempt it from the rules.
How big can my garage-sale sign be?
Up to 32 square feet in area and 12 feet in height, per s. 10.803(3)(b). It also has to meet the ground-sign setback in s. 10.802(d) and stay outside the Vision Clearance Triangle at any intersection or driveway.
Can I run a sale sign, take it down, and put it right back up?
No: s. 10.803(3)(f) limits temporary signs to 60 days twice a year and specifically prohibits running the two 60-day periods consecutively, so back-to-back postings violate the ordinance even if each stretch is under 60 days.

Sources & Official References

Other rules in Dane County

All Dane County rules

Compare Dane County to another location·View the Wisconsin sign regulations overview

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