Local Rules Near SFO Airport

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. Un-hosted stays (host absent) are limited to 2 guests per bedroom plus 2 additional guests per booking. STR use is restricted to single-unit dwellings only: multi-family units, accessory dwelling units (ADUs), and junior accessory dwelling units (JADUs) may not be used as short-term rentals. Un-hosted stays are further capped at 90 days per year, while hosted stays have no annual day limit. Only one STR permit is allowed per dwelling unit per lot.

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.

South San Francisco follows California CDFW regulations banning many exotic species. Local animal code may restrict wild or dangerous animals. Contact Peninsula Humane Society & SPCA for guidance.

Private tree trimming in South San Francisco does not require a city permit. Street trees (public right-of-way) require Public Works approval. Trees near PG&E lines must be managed per utility clearance standards.

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.

Pool fences in South San Francisco must comply with California H&S §115920: minimum 60-inch barrier, self-closing/self-latching gates, ground clearance under 2 inches, no gaps over 4 inches. Two drowning prevention features required.