Plumbing in Mission Viejo, CA — What You Should Know
Mission Viejo's 1970s–80s master-planned origins mean unusually uniform housing stock — tract homes with slab foundations, copper supply embedded in concrete, and original water heaters now 35–45 years past installation. South Orange County's imported hard water scales inside these aging systems, while the city's engineered hills and drainage create soil moisture patterns that stress slab plumbing differently than flat subdivisions.
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