Open 7 days, 8am to 8pm. Hablamos Español. Call or text (925) 421-5904Lic. #870501

Holiday Offer: $480 off any whole-house water system, plus a free year of salt deliveryEnds December 24
Offers & Rewards

Ways to save with RMZ

Current offers, rewards for sending us your neighbors, and gifts for friends.

Holiday Offer

$480 off, plus a year of free salt

Get $480 off any whole-house water system, plus your first year of salt delivery free (the salt is a $119 value).

With the purchase of any new whole-house water system from RMZ. Ends December 24, 2026.
Refer a Neighbor

Send a neighbor, pick your reward

  • A free year of salt delivery ($119 value)
  • A free filter change
  • A $200 check
  • Soap for 5 years from Pure & Gentle
You get your reward once your neighbor gets a new system from RMZ.

Text us your neighbor's name

Gift a Water Test

Send a friend a free water test

If they decide to get clean water, you both get a gift.

Text us who it's for

Filter & salt reminders

Tell us what you'd like a reminder for, and we'll reach out when it's time.

Or call/text (925) 421-5904. We never share your info. Privacy

Want to know what's in your water?

Book a free test and we'll come check it.

Financing available for up to 15 years

Free In-Home Water Test

Pick a day and time

This is a request. We'll call or text to confirm your time. See what the test includes