Top 10 Water Softener Installer in Oakland, CA

Updated March 2026 · Based on licensing, reviews & response time

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1

Fantastica Water Solutions

27365 Industrial Blvd, Hayward, CA 94545, USA
★★★★★ 5 (24 reviews)
Licensed & InsuredTop Rated
Services: Water Softener Installer
Oakland, CA (510) 241-5707
2

Kinetico by AAA Water Systems, Inc.

4050 Pike Ln, Concord, CA 94520, USA
★★★★½ 4.9 (405 reviews)
Licensed & InsuredTop Rated
Services: Water Softener Installer
Oakland, CA (800) 990-9191
3

PureFlo

8368 Brentwood Blvd Suite D, Brentwood, CA 94513, USA
★★★★★ 5 (490 reviews)
Licensed & InsuredTop Rated
Services: Water Softener Installer
Oakland, CA (925) 516-7000
4

De Anza Water Conditioning, Inc

355 E McGlincy Ln suite h, Campbell, CA 95008, USA
★★★★½ 4.9 (806 reviews)
Licensed & Insured
Services: Water Softener Installer
Oakland, CA (408) 371-5521
5

Bay Water Plumbing & Water Systems

5676 Lafayette Ave, Newark, CA 94560, USA
★★★★½ 4.9 (190 reviews)
Licensed & Insured
Services: Water Softener Installer
Oakland, CA (510) 900-9888
6

Magnation Water Technologies

660 4th St, Oakland, CA 94607, USA
★★★★☆ 4 (4 reviews)
Services: Water Softener Installer
Oakland, CA (888) 820-0363
7

PureSpring Water Softeners & Filters

1237 Folsom St #360, San Francisco, CA 94103, USA
★☆☆☆☆ 1 (1 reviews)
Services: Water Softener Installer
Oakland, CA (415) 376-7106
8

Water Heaters Masters Inc.

2330 Bates Ave Suite D5, Concord, CA 94520, USA
★★★★½ 4.9 (117 reviews)
Services: Water Softener Installer
Oakland, CA (925) 363-4965
9

Rayne Water

2798 Aiello Dr STE D, San Jose, CA 95111, USA
★★★★½ 4.6 (49 reviews)
Services: Water Softener Installer
Oakland, CA (408) 754-9200
10

Water Heaters Only, Inc

2141 Commerce Pl, Hayward, CA 94545, USA
★★★★½ 4.9 (545 reviews)
Services: Water Softener Installer
Oakland, CA (510) 983-5827

How We Ranked These Oakland Pros

Our rankings are based on a weighted evaluation of five key factors:

  1. Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
  2. Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
  3. Response Time — Companies offering same-day or 24/7 emergency service score higher.
  4. Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
  5. Experience & Longevity — Years serving the Oakland market and breadth of services factor into overall reliability.

Rankings are reviewed quarterly. Have a correction? Contact us.

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