Top 10 Water Testing in San Diego, CA
Quick Answer
Top: Bill Howe Plumbing, Heating & Air, Restoration & Flood Services (4.8), Anderson Plumbing, Heating & Air (4.8), Core Plumbing (4.8)
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Environmental Laboratory Network Inc
3440 El Cajon Blvd, San Diego, CA 92104, USA
Licensed & InsuredTop Rated
Services: Water Testing
2
EMSL Analytical, Inc.
7725 Convoy Ct, San Diego, CA 92111, USA
Licensed & InsuredTop Rated
Services: Water Testing
3
Culligan Water of San Diego
885 Gateway Center Way Suite 101, San Diego, CA 92102, USA
Licensed & InsuredTop Rated
Services: Water Testing
Sponsored
4
Vert Environmental
4715 Viewridge Ave Suite 210, San Diego, CA 92123, USA
Licensed & Insured
Services: Water Testing
5
Metropolitan Water Systems EP
2515 Camino del Rio S #334, San Diego, CA 92108, USA
Licensed & Insured
Services: Water Testing
6
Socal Testing
9187 Clairemont Mesa Blvd Suite 6-514, San Diego, CA 92123, USA
Services: Water Testing
7
San Diego Pure Water
7556 Trade St, San Diego, CA 92121, USA
Services: Water Testing
Sponsored
8
Aquashields
2307 Fenton Pkwy #107-163, San Diego, CA 92108, USA
Services: Water Testing
9
Tim Guishard Enterprises
3508 Alpine Blvd, Alpine, CA 91901, USA
Services: Water Testing
10
Apollotek SD
1022 W Morena Blvd suite h, San Diego, CA 92110, USA
Services: Water Testing
How We Ranked These San Diego Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the San Diego market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
Best water testing in San Diego?
Top: Bill Howe Plumbing, Heating & Air, Restoration & Flood Services (4.8), Anderson Plumbing, Heating & Air (4.8), Core Plumbing (4.8).