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BBB Accredited Business since

CalWater Solutions

Phone: (510) 500-3179 2777 9th Street  #109, Berkeley, CA 94701 View Additional Web Addresses

BBB Business Reviews may not be reproduced for sales or promotional purposes.


CalWater Solutions (CWS) provides innovative design solutions to the current water scarcity dilemma here in California by promoting integrated construction principles and practices in every project we design, install or retrofit.

BBB Accreditation

A BBB Accredited Business since

BBB has determined that CalWater Solutions meets BBB accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints. BBB Accredited Businesses pay a fee for accreditation review/monitoring and for support of BBB services to the public.

BBB accreditation does not mean that the business' products or services have been evaluated or endorsed by BBB, or that BBB has made a determination as to the business' product quality or competency in performing services.

Reason for Rating

BBB rating is based on 13 factors. Get the details about the factors considered.

Factors that affect the rating for CalWater Solutions include:

  • Length of time business has been operating
  • No complaints filed with BBB

Customer Complaints Summary

0 complaints closed with BBB in last 3 years | 0 closed in last 12 months
Complaint Type Total Closed Complaints
Advertising/Sales Issues 0
Billing/Collection Issues 0
Delivery Issues 0
Guarantee/Warranty Issues 0
Problems with Product/Service 0
Total Closed Complaints 0

Customer Reviews Summary Read customer reviews

2 Customer Reviews on CalWater Solutions
Customer Experience Total Customer Reviews
Positive Experience 2
Neutral Experience 0
Negative Experience 0
Total Customer Reviews 2

Additional Information

BBB file opened: May 29, 2014 Business started: 05/29/2014 Business started locally: 05/29/2014
Licensing, Bonding or Registration

This business is in an industry that may require professional licensing, bonding or registration. BBB encourages you to check with the appropriate agency to be certain any requirements are currently being met.

These agencies may include:

Contractors State License Board
9821 Business Park Dr, Sacramento CA 95827
Phone Number: (800) 321-2752
The number is 993287.

Type of Entity

Sole Proprietorship

Business Management
Mr. Brent Helm, Owner
Contact Information
Principal: Mr. Brent Helm, Owner
Number of Employees


Business Category

Engineering Contractors - General

Refund and Exchange Policy
If you are not 100% satisfied with the results of your system, we will work with you to amend the system to your satisfaction. We will repair or replace an part or equipment per the manufacturer's specified warranty.
Service Area
This business service area covers: San Francisco, Oakland, Berkeley, El Cerrito, Richmond, Daly City, San Mateo, San Leandro, Napa, Sonoma, San Rafael, Mill Valley, Sausalito, Marin, San Mateo, Walnut Creek, San Jose, Mountain View, Palo Alto, Redwood City
Products & Services

We specialize in both the design and construction of Rainwater Harvesting, Low Impact Development (LID) and Greywater re-use systems.

Customer Review Rating plus BBB Rating Summary

CalWater Solutions has received 4.77 out of 5 stars based on 2 Customer Reviews and a BBB Rating of A.

BBB Customer Review Rating plus BBB Rating Overview

BBB Customer Review Rating plus BBB Rating Overview

BBB Customer Reviews Rating represents the customers opinions of the business. The Customer Review Rating is based on the number of positive, neutral and negative customer reviews posted that are calculated to produce a score.

Customer Review Experience Value
Positive Review 5 points per review
Neutral Review 3 points per review
Negative Review 1 point per review

BBB letter grades represent the BBB's opinion of the business. The BBB grade is based on BBB file information about the business. In some cases, a business' grade may be lowered if the BBB does not have sufficient information about the business despite BBB requests for that information from the business.

BBB Letter Grade Scale

BBB Rating Value
A+ 5
A 4.66
A- 4.33
B+ 4
B 3.66
B- 3.33
C+ 3
C 2.66
C- 2.33
D+ 2
D 1.66
D- 1.33
F 1
NR -----
Star Rating scale

  Average Score
5 stars 5.00
4.5 stars 4.50-4.99
4 stars 4.00-4.49
3.5 stars 3.50-3.99
3 stars 3.00-3.49
2.5 stars 2.50-2.99
2 stars 2.00-2.49
1.5 stars 1.50-1.99
1 star 0-1.49

BBB Customer Review Rating plus BBB Rating is not a guarantee of a business' reliability or performance, and BBB recommends that consumers consider a business' BBB Rating and Customer Review Rating in addition to all other available information about the business. If the BBB Rating is NR then only Customer Reviews are used for the Star Rating.