Plumbing Permits: Antioch vs Pittsburg

Antioch requires plumbing permits for most fixture replacements, water heater swaps, repipes, sewer lateral work, and backflow assemblies under the California Plumbing Code adopted at AMC Title 8. Low-flow fixture requirements apply at time of sale under CA Civil Code 1101.

Pittsburg requires plumbing permits under the California Plumbing Code adopted through Municipal Code Title 15 for water heater replacement, repipes, sewer laterals, gas lines, and fixture additions. Like-for-like faucet and fixture swaps are generally exempt. Permits require licensed C-36 plumbing contractors or owner-builders, and inspections include rough-in pressure tests and finals.