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Install or Replace a Water Main Cost in Sunnyvale, CA in 2026

Most Install or Replace a Water Main projects in Sunnyvale, CA cost between $950 and $19,000. The typical price is $4,600.

Labour and materials in Sunnyvale run about 24% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.

What drives the price

  • Accessible fixture swap versus opening walls or slab
  • Pipe material — copper, PEX or cast iron replacement
  • Emergency versus scheduled work
  • Permit and inspection requirements

Usually included

  • Licensed plumber labour
  • Pipe, fittings and standard fixtures

Usually extra

  • Drywall and finish repair
  • Fixtures you supply
  • Municipal tap or sewer connection fees

Plumbers in Sunnyvale, CA

Businesses listed on Google near Sunnyvale, CA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.

Install or Replace a Water Main costs nearby

Mountain View, CASanta Clara, CALos Altos, CACupertino, CAPalo Alto, CACampbell, CAStanford, CASaratoga, CAMilpitas, CANewark, CA