PlainPermit

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Do I need a permit for a fence in Denver, CO?

Last verified: · Confidence: high · Status: Verified from official source

Not legal advice. Always confirm with your local building department. Rules change, and your parcel's zoning, HOA, historic district, floodplain or utility work can change the answer. We show the official source and the date we last checked it so you can verify for yourself.
Depends on your project Confidence: high

Fences under 4 ft need no permit (unless landmark/historic). All fences over 4 ft need a zoning permit; non-posthole fences over 4 ft and posthole fences over 8 ft also need a building permit. Max height is 4 ft in front yards and 6 ft in back yards.

What changes the answer

Cost

Building permit fee by valuation of work: $20 for $1-$500; $35 for $501-$2,000; $35 + $8 per extra $1,000 (or fraction) up to $25,000. Plan review adds 50% above $2,000 in valuation.

Fee source: https://denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Community-Planning-and-Development/Plan-Review-Permits-and-Inspections/Development-Fees

Where to apply

Denver e-permits (select 'zoning permit')

Permitting authority: City and County of Denver Community Planning and Development (CPD). Landmark/historic district properties need a Certificate of Appropriateness and often a permit even for otherwise-exempt work.

Official sources

“All fences over four feet tall need a zoning permit. All walls, including retaining walls, over 12 inches high need a zoning permit.”

Source: https://denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Community-Planning-and-Development/Plan-Review-Permits-and-Inspections/Zoning-Permits/Apply-for-Commercial-Zoning-Permits/Fences-and-Walls

“Post-hole dug fences only need a building permit if they are taller than eight feet, but all other fence and wall types require building permits if they are over four feet tall.”

Source: https://denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Community-Planning-and-Development/Plan-Review-Permits-and-Inspections/Zoning-Permits/Apply-for-Commercial-Zoning-Permits/Fences-and-Walls

“Fences of any type not over 4 feet (1220 mm) high. Posthole-dug fences up to 8 feet (2440 mm) high, such as chain link, cedar pine, redwood, and wrought iron.”

Source: https://denvergov.org/files/assets/public/v/3/community-planning-and-development/documents/ds/building-codes/2025_denver_building_code.pdf

Verified: · Status: verified · Confidence: high

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