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Backflow Testing Prices by Service Area

Rates may vary depending on your location, some cities require tags, permits, and certifications. Check your city below for accurate pricing.

Monterey County

  • Salinas – $120

  • Monterey – $150

  • Carmel Valley – $150

  • Seaside – $135

  • King City – $120

  • Greenfield – $120

  • Soledad – $120

  • Marina – $135

  • Castroville – $150

Santa Clara County

  • Morgan Hill – $150

  • Gilroy – $150

  • Los Gatos – $175

  • Sunnyvale – $175

  • Milpitas – $175

  • Mountain View – $175

  • Cupertino – $175

San Mateo County & San Francisco

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  • San Mateo – $200

  • Burlingame – $200

  • Daly City – $200

  • Menlo Park – $200

  • Half Moon Bay – $200

  • San Francisco – $400 (minimum)

  • 2+ devices – $250 each

Santa Cruz County

  • Santa Cruz – $150

  • Capitola – $150

  • Aptos – $150

  • Soquel – $150

San Benito County

  • Hollister – $150

San Luis Obispo

  • San Luis Obispo – $150

  • Paso Robles – $120

  • Atascadero – $120

  • Templeton – $125

Please Note: 

Backflow Installations: Prices vary depending on the device size, and specific site conditions. Some locations may require special tools, and shop prices may change over time. Adding an anti-theft or protection device also increase the cost.

Backflow Repairs & Replacements: Pricing depends on the device model and the complexity of the job.

Want an exact quote? Contact us for personalized pricing that fits your needs.

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