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Arapahoe County, CO Fence Regulations: Fence Permit Requirements (2026)

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

Key Facts

Permit required from
PWD Building Division
Governing section
LDC § 4-1.5.A, General Provisions
Fee authority
Set by the Board of County Commissioners
Enclosure threshold
Applies to barriers over 15% of a zone lot's area
Permit condition
Must show compliance with the Fence Regulations section

Summary

No one may erect, build, enlarge, alter or move a fence in unincorporated Arapahoe County without first getting a fence permit from the PWD Building Division. The Division won't issue the permit unless the applicant shows the fence complies with the Fence Regulations chapter, and the Board of County Commissioners sets and can change the permit fee.

City-specific rules exist: Aurora, and Centennial have their own fence permit requirements rules that differ from Arapahoe County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

a. No person, firm or corporation shall erect, construct, enlarge, alter or move any fence in the County without first obtaining a fence permit from the PWD Building Division, pursuant to this Section. b. No fence permit shall be issued by the PWD Building Division unless the applicant for such permit demonstrates compliance with the provisions of this Section. c. Fees for fence permits issued pursuant to this Section shall be set by the Board of County Commissioners to cover the costs of inspections and administration of this Section, and may be amended as necessary by the Board. Fees shall be paid by the applicant prior to the issuance of the fence permit.

Source: Arapahoe County Fence RegulationsView official code

Full Breakdown

A. 1 bars any person, firm or corporation from erecting, constructing, enlarging, altering or moving any fence in the county without first obtaining a fence permit from the Public Works and Development (PWD) Building Division. 5 have to be satisfied before the permit is granted, not just represented on paper. 3 puts fee-setting in the hands of the Board of County Commissioners, who set the fence-permit fee to cover inspection and administration costs and may amend it as needed; the applicant has to pay before the permit is issued.

4: to promote public health, safety and welfare, protect the County's economic and aesthetic value, and prevent traffic hazards and nuisances, and it clarifies that the section is meant to regulate fences that serve as a boundary between adjoining properties or as a barrier or enclosure of more than 15 percent of a zone lot's area. This permit requirement runs only in unincorporated Arapahoe County -- Aurora, Centennial, Littleton, Englewood, Greenwood Village and the county's other incorporated cities issue fence permits under their own municipal codes, not this one.

Violations & Fines

Building, enlarging or moving a fence without first securing a PWD Building Division permit violates § 4-1.5.A.1 outright; separately, the chapter gives the PWD Director or designee, or the Zoning Administrator or designee, authority to inspect any fence in the county and order repair or removal of one that is a hazard or nuisance from inadequate maintenance, dilapidation, obsolescence or abandonment, or that otherwise constitutes a zoning violation.

Frequently Asked Questions

Do I need a permit to build a fence in unincorporated Arapahoe County?
Yes, in general. Section 4-1.5.A.1 requires a fence permit from the PWD Building Division before anyone erects, constructs, enlarges, alters or moves a fence, though the chapter separately notes that some fence types do not require a permit without listing every exemption in this subsection.
Who sets the fence permit fee?
The Board of County Commissioners sets the fee to cover inspection and administration costs, and can amend it as necessary; the fee has to be paid before the PWD Building Division issues the permit.
Can the County deny my fence permit application?
Yes. Under § 4-1.5.A.2, the PWD Building Division cannot issue a fence permit unless the applicant demonstrates the proposed fence complies with the Fence Regulations section, including its class, height and sight-triangle requirements.
Does this permit rule apply to a fence in Aurora or Centennial?
No. The Land Development Code, including its fence permit chapter, governs only unincorporated Arapahoe County land; the county's incorporated cities administer fence permits under their own codes.

Sources & Official References

Other rules in Arapahoe County

All Arapahoe County rules

Compare Arapahoe County to another location·View the Colorado fence regulations overview

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Fence Permit Requirements in Cities Across Arapahoe County