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Janesville, WI Fence Regulations: Fence Permit Requirements (2026)

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

Key Facts

Permit issuer
Building Division
No-permit threshold
Fences under 16 feet in length
Decorative-fence exception
2 feet or less, any district
Historic districts
Certificate of Appropriateness required
Completion deadline
1 year from permit issuance
Appeal body
Zoning Board of Appeals, § 42-272

Summary

In the City of Janesville, a fence permit from the Building Division is required before installing, constructing, erecting, placing or replacing any fence under Code § 42-356(a), with narrow exceptions for very short runs, invisible pet fences and small decorative fencing.

(a)Permit required. ... No person shall cause or allow the installation, construction, erection, placement, or replacement of a fence in the City of Janesville without first obtaining a fence permit. Exception: When all other provisions of this chapter are met, a fence permit is not required for:(1)The installation, repair, or replacement of any fence less than 16 feet in length.(2)Underground electrical fences, such as an invisible pet fence.(3)Decorative fences not exceeding two feet in height shall be permitted in all districts. Such fences shall not be placed in any manner which presents a hazard to pedestrians on any public or private sidewalk.(4)Temporary fences where permitted by this chapter.(5)Chicken runs as defined in Section 8-70. ( ... c)Fee. ... An application fee, established and amended from time to time by City Council resolution, shall be paid to the City when the application is filed.

Full Breakdown

Section 42-356(a) makes the general rule blunt: no person may cause or allow the installation, construction, erection, placement or replacement of a fence in the City of Janesville without first obtaining a fence permit. Five exceptions apply when every other provision of the fence chapter is met: fences under 16 feet in length being installed, repaired or replaced; underground electrical fences such as invisible pet fences; decorative fences of two feet or less in height in any district, provided they do not create a sidewalk hazard; temporary fences where otherwise permitted by the chapter; and chicken runs as defined in Section 8-70.

To apply, Section 42-356(b) requires a written application to the Building Division with a drawing, site plan or property survey showing property lines, adjoining streets, existing buildings and the proposed fence location. Section 42-356(c) requires payment of an application fee set by City Council resolution. Properties in a Historic Overlay District need a Certificate of Appropriateness under Section 42-356(d) before a fence permit can issue. Once issued, Section 42-356(l) gives the permit holder one year to complete installation; after that, no further work may occur until a new permit is obtained. Section 42-356(o) allows a permit denial, or approval with conditions, to be appealed to the Zoning Board of Appeals under Section 42-272.

Violations & Fines

Installing a fence without the required permit, or beyond the permit's one-year completion window, is enforced by the Building Division, which can require removal or completion of unpermitted or expired-permit fencing. A denied or conditioned permit may be appealed to the Zoning Board of Appeals under Section 42-272, but building without a permit in the first instance is a code violation independent of any appeal right.

Frequently Asked Questions

Do I need a permit for every fence in Janesville?
Almost every fence needs one under Section 42-356(a). Exceptions cover fences under 16 feet long, invisible pet fences, decorative fencing two feet or less, permitted temporary fences, and chicken runs defined in Section 8-70.
What has to be submitted with a Janesville fence permit application?
Section 42-356(b) requires a written application to the Building Division with a drawing, site plan or property survey showing the property lines, adjoining streets, existing buildings and structures, and the fence's proposed location.
How long do I have to finish building a permitted fence?
One year from the date the permit is issued, per Section 42-356(l). After that, no further work is allowed until a new permit is applied for and issued.

Sources & Official References

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