A Resident's Guide to South San Francisco's Local Ordinances

South San Francisco, California may not be the biggest city in the state, but it has its own set of local rules that residents need to follow. With 6 tracked ordinances across 5 categories, there is more here than you might expect.

Swimming Pools & Spas

Pool Permits: Above-ground pools over 18 inches in depth in South San Francisco require a building permit and must meet California pool safety fencing requirements. Temporary inflatable pools under 18 inches are generally exempt..

Also covered: Fencing & Safety Requirements (moderate). See the full swimming pools & spas guide for South San Francisco for details.

Short-Term Rentals

Occupancy Limits: South San Francisco Municipal Code Section 20.350.037 caps short-term vacation rental occupancy by stay type. Hosted stays (host present in the dwelling) are limited to a maximum of 2 guests at one time.

Animal Ordinances

Exotic Pets: South San Francisco follows California CDFW regulations banning many exotic species. Local animal code may restrict wild or dangerous animals.

Landscaping Rules

Tree Trimming: Private tree trimming in South San Francisco does not require a city permit. Street trees (public right-of-way) require Public Works approval.

Fence Regulations

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..

What to Do With This Information

If you are moving to South San Francisco, buying a home, or starting a project, use this as a starting point. Each category links to detailed pages with the full text, penalties, and FAQs. Verify anything time-sensitive with South San Francisco's city hall or code enforcement office.