Do I need a permit in Mountain House?
Tap a project to see when it needs a permit. Licensed contractors usually pull the permit for you - ask that it's included in the quote.
Mountain House Building DivisionMountain House became a city in July 2024; the City (not San Joaquin County) now issues building permits.
Inside
Systems & energy
Yes - replacing a water heater needs a plumbing permit (and sometimes electrical).
- This applies to like-for-like replacements too. A heat pump water heater usually also needs an electrical permit for its circuit.
- Your plumber normally pulls the permit, and an inspector checks the venting, gas line and earthquake strapping.
Outside & yard
Big projects
General guidance based on California's building code - your city can have stricter rules, and zoning, historic and HOA rules can apply too. Check with your city's building department before you start.
Based on the California Residential Code, Section R105.2 (work exempt from permit).
Unpermitted work can cause problems when you sell, and insurers may deny related claims.
