Fence Regulations in Naperville, IL: What Residents Actually Need to Know

If you live in Naperville or are thinking about moving there, fence regulations are one of those things you probably won't think about until they affect you directly. Naperville has 7 specific rules on the books covering different aspects of fence regulations, and some of them might surprise you.

Fence Requirements

Naperville fences under Section 6-2-15 must have the finished side facing outward, may not exceed 6 feet (9 feet on arterials), and cannot interfere with stormwater. Permits required for fences over 3 feet. Fence must not obstruct visibility at corners.

Key details: Max Height: 6 ft (9 ft arterials). Front Yard: 3 feet max. Finished Side: Must face outward. Permit: $80 for over 3 ft.

Non-compliant fence: code enforcement notice. Building without permit: fines. Obstructing visibility: safety violation requiring modification.

Permit Requirements

Naperville requires an $80 fence permit for all fences over 3 feet in height. Applications require a Plat of Survey showing fence placement. Call JULIE at 1-800-892-0123 at least 48 hours before digging.

Key details: Permit Fee: $80. Threshold: Over 3 feet requires permit. JULIE: 1-800-892-0123 (48 hrs). Application: Civic Access portal.

Building a fence without a required permit: stop-work order, mandatory permit application, and fines. Failure to call JULIE before digging may result in liability for utility damage.

Height Limits

Naperville limits residential fences to 6 feet in height under Title 6, Section 6-2-15. Fences along major arterial roadways may be up to 9 feet. Front yard fences extending past the front facade may not exceed 3 feet. Corner lot visibility requirements apply.

Key details: Max Height: 6 feet residential. Arterial Roads: Up to 9 feet. Front Yard: 3 feet maximum. Code: §6-2-15.

Fences exceeding height limits: code enforcement notice requiring modification or removal. Building without a permit: stop-work order and fines. Permit cost is $80.

Neighbor Fence Rules

Naperville requires the finished side of all fences to face away from the property on which the fence is installed (facing the neighbor). Fences along rear property lines abutting public right-of-way must include access gates for maintenance.

Key details: Finished Side: Must face outward. Access Gates: Required at right-of-way. Property Line: May build to the line. Cost Sharing: Not required by law.

Installing a fence with the finished side facing inward: code enforcement violation requiring correction. Missing required access gates: violation notice. Building past the property line: potential civil liability plus code violation.

Material Restrictions

Naperville regulates fence materials under Section 6-2-15. The finished side must face outward. Fences must not interfere with stormwater management. Specific clearances are required around electrical transformers and utility pedestals.

Key details: Finished Side: Must face outward. Transformer Clearance: 5 ft with gate, 10 ft without. Pedestal Clearance: 3 feet all sides. Stormwater: Must not interfere.

Prohibited materials: code enforcement notice requiring removal or replacement. Utility clearance violations: mandatory correction. Deteriorated fence conditions: property maintenance violation.

Pool Barriers

Naperville requires barriers around all swimming pools per the International Swimming Pool and Spa Code. Above-ground pools over 24 inches deep need barriers. Hot tubs that cannot meet barrier requirements must have a locking safety cover.

Key details: Standard: International Pool & Spa Code. Threshold: Over 24 inches deep. Gates: Self-closing, self-latching. Hot Tubs: Locking cover if no barrier.

Pool without required barrier: immediate violation requiring correction before use. Failure to maintain barriers: property maintenance and safety code violation with fines.

Compared to other cities, Naperville takes a harder line on pool barriers. The enforcement and penalty structure reflects that.

Retaining Walls

Naperville requires permits for retaining walls as part of its building code under Title 5. Walls must comply with grading and drainage requirements. Engineered walls may be required for taller structures. Walls cannot interfere with stormwater management.

Key details: Permit: Required. Engineering: May be required. JULIE: Call before digging. Drainage: Must not interfere.

Retaining wall without permit: stop-work order. Structural failure or drainage issues: mandatory correction at owner expense. Setback violations: zoning enforcement.

The Bottom Line

Naperville's fence regulations rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Naperville is broadly strict or permissive.

Keep in mind that Naperville can amend these rules at any council meeting. For the most current version of any rule mentioned here, check the specific ordinance page, where we track updates as they happen.