Jefferson County, CO Sign Regulations: Garage Sale Signs (2026)
Key Facts
- Category
- Temporary Ground Sign
- Permit
- Not required
- Number allowed
- 6 per property
- Max size (residential)
- 8 sq ft; 42 inches tall
- Right-of-way signs
- Prohibited (off-premise)
Summary
Jeffco has no separate garage-sale sign category; they fall under content-neutral "Temporary Ground Signs." Up to six per property need no permit, each up to 8 sq ft and 42 inches tall in residential zones, may not sit in the right-of-way, and may not be illuminated.
All Zone Districts: Temporary Ground Signs shall not extend outside the property line, shall not exceed 42 inches in height and shall not be more than 8 square feet per Sign Face in area, except as provided in Section D.1.b below.
Full Breakdown
The Jefferson County sign code (Section 23) regulates signs by size, height, and location rather than by message, so a garage- or yard-sale sign is a Temporary Ground Sign under Section 23.D.1. Six are permitted per property with no permit. In all zone districts they may not extend outside the property line, exceed 42 inches in height, or exceed 8 sq ft per sign face; agricultural lots meeting minimum size may use up to 32 sq ft (10-foot setback, 10-foot max height). Signs placed in the public right-of-way, on utility poles, or on medians are prohibited. The county's rules apply in unincorporated areas; cities such as Lakewood or Arvada set their own sign rules.
Violations & Fines
Off-premise signs, signs in the right-of-way, or signs exceeding the size/height limits are prohibited and may be removed by the County under C.R.S. 30-28-124.
Frequently Asked Questions
Can I put garage-sale signs on the corner or utility poles?
Do I need a permit for garage-sale signs?
Sources & Official References
Other rules in Jefferson County
Compare Jefferson County to another location·View the Colorado sign regulations overview
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