Fence Regulations in Mount Prospect, IL (2026)
5 verified fence regulations for Mount Prospect, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
Height Limits
Fences in the Village of Mount Prospect reach six feet in rear and interior side yards, behind the front line of the house. Eight feet applies to industrial and commercial screening, and no fence over three feet may stand in a sight triangle. Post caps can add eight inches.
Mount Prospect Fence Height and Sight Triangle Limits
Some RestrictionsMount Prospect Village Code § 14.318
B. Height And Location: ... 2. Sight Triangle: No fence greater than three feet (3') in height shall be placed within a sight triangle so as to obstruct or limit the line of sight for a motorist, cyclist, or pedestrian. ... 5. Six Foot Fences: Fences up to six feet (6') in height will be permitted as follows: a. Rear And Interior Side Yards: Fences may be installed in the rear and interior side...
Fence Permit Requirements
In the Village of Mount Prospect it is unlawful to construct, erect or replace any fence without first obtaining a permit from the Community Development Department. The permit is granted only for fences that comply with the Code, and freestanding walls count as fences.
Mount Prospect Fence Permit Requirement
Significant RestrictionsMount Prospect Village Code § 14.318
A. General Provisions: ... It shall be unlawful to construct, erect or replace any fence without first obtaining a permit from the Community Development Department. The permit may be granted only if the proposed fence is in compliance with the provisions of this Code. For the purposes of this section, freestanding walls shall be considered fences. ... ... 3. Encroachment: All fences shall be en...
Neighbor Fence Rules
In the Village of Mount Prospect, every fence must sit entirely on the owner's own lot: § 14.318.B.3 bars encroachment onto adjoining lots and public rights-of-way. A permit from the Community Development Department is required, and a fence set off the property line must leave maintenance access to the strip between fence and line.
Mount Prospect Fence Placement and Neighbor Rules
Some RestrictionsMount Prospect Village Code § 14.318
A. General Provisions: ... It shall be unlawful to construct, erect or replace any fence without first obtaining a permit from the Community Development Department. ... ... 3. Encroachment: All fences shall be entirely on private property. Fences may not encroach on adjoining lots or public rights-of-way. ... ... a. Rear And Interior Side Yards: Fences may be installed in the rear and interior ...
Retaining Walls
In the Village of Mount Prospect, landscape terraces and retaining walls are listed permitted obstructions in required yards, subject to approval by the Engineering Division and issuance of a building permit under § 14.319. They are not among the items exempt from the impervious surface and floor area ratio rules.
Mount Prospect Retaining Wall Permit Rules
Some RestrictionsMount Prospect Village Code § 14.319
A. Permitted Obstructions In Required Yards: Permitted obstructions in the C-R District are regulated in article VII of this chapter. For all other zoning districts, the following regulations shall be applicable to structures located within the required yards. ... Landscape terraces and retaining walls, subject to approval by the Engineering ... Division and issuance of a building permit ... .....
Material Restrictions
The Village of Mount Prospect bans barbed wire, injury-designed materials and electrically charged wire in any fence anywhere in the Village under § 14.318.C.2, with one industrial exception. Wood, chainlink, masonry, aluminum, wrought iron and composite are the listed materials.
Mount Prospect Fence Material Restrictions
Some RestrictionsMount Prospect Village Code § 14.318
C. Construction: 1. Fences may be constructed of wood, chainlink, masonry, aluminum, wrought iron, composite, or similar materials and shall be constructed so that only a smooth finished side faces an abutting lot or road. 2. It shall be unlawful to maintain or construct any fence composed in whole or part of barbed wire or with any similar materials designed to cause injury to person, or any w...
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County ordinances apply to unincorporated areas and may supplement Mount Prospect city rules.
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