How South San Francisco Handles Fence Regulations: A Practical Guide

South San Francisco maintains 38 local ordinances across all categories, and 3 of those deal specifically with fence regulations. Here is a breakdown of what the city actually requires, what is prohibited, and where South San Francisco falls on the strict-to-permissive spectrum compared to other cities.

Height Limits

South San Francisco fence heights are governed by SSFMC Title 20 (Zoning Code). Standard residential limits are 3–4 ft in front yards and up to 6 ft in side/rear yards. The updated zoning code addresses measurement methodology.

Key details: Front Yard: 3–4 ft typical maximum. Side/Rear Yard: 6 ft maximum. Height Measurement: From lowest grade within 3 ft of fence. Code: SSFMC Title 20.

Code compliance notice with correction period. Remove or modify non-compliant fence. Fines if not corrected.

Permit Requirements

Standard residential fences within height limits in South San Francisco generally do not require a building permit. Fences over 6 feet, masonry fences, or fences requiring footings may need a permit. Contact Building Division.

Key details: Under 6 Ft: Generally no permit needed. Over 6 Ft: Building permit likely required. Masonry/Retaining Walls: Permit required. Contact: Building Division (650) 829-6670.

Unpermitted construction: stop-work order. May require removal or modification. Retroactive permit with penalty fees.

Neighbor Fence Rules

Fence cost sharing between neighbors in South San Francisco is governed by California Civil Code §841 (Good Neighbor Fence Act). Written notice of 30 days is required before constructing a shared fence.

Key details: Cost Sharing: Equal (CA Civil Code §841). Prior Notice: 30 days written notice required. City Mediation: Not available. Code: CA Civil Code §841.

Civil remedy: neighbor can sue for share of costs. Spite fence: injunction + damages. Small claims court for disputes under $12,500.

The Bottom Line

South San Francisco'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 South San Francisco is broadly strict or permissive.

Keep in mind that South San Francisco 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.