Independently Rated Highest in Quality
F o u r t h                              Consecutive Year        
Originally Earned:
June 2006
We declare that William Gotelli Plumbing, Inc. HAS QUALIFIED for and continues to meet the Ongoing Research and Rating Requirements for Diamond Certified® status.
Certificate #914
(415) 457-1145
After graduating from San Rafael High School in 1958, William Gotelli attended Plumber Apprenticeship School under Plumbers Local #38 Union. He spent nine years in the plumbing trade and became a Master Plumber. In 1985, he started a small plumbing business out of his home that grew to its present location with 25 employees. He is well known and respected in the plumbing trade and is a member and former president of the Plumbing, Heating & Cooling Contractors of the Redwood Empire.

William Gotelli Plumbing provides service in the design and installation of plumbing systems for new construction, drain clearing and all aspects of the plumbing home service business.

Owner Philosophy

“A fair price for the highest quality work is what we deliver. The customer is the most important thing. Repeat and referral business is our bread and butter.

“Our service technicians are highly trained professionals, through the PHCC Apprenticeship Training Program, to ensure that we are sending the most well trained personnel to our customer’s home. We keep up on new technology, designs, materials and styles to increase efficiency, environmental compatibility and aesthetic value. Our service is what makes us stand out and our good will is what makes our customers come back.”

AREA SERVED | SERVICES | BRANDS

Residential/Commercial
Service/Repair
New Construction/Remodel
Snaking/Drain Cleaning
Sewer Video
Bradford White
AO Smith Water Heaters
Aqua Peck Piping & Fittings
Serving Marin, Sonoma, San Francisco & Alameda Counties
Findings based on statistically reliable research from 200 surveys

Customer Satisfaction

Survey Question: On a scale of 1 to 10 how satisfied were you with the quality you received?
Chart.

Company Credentials

Workers Compensation
Liability Insurance
License Verification
Business Practices
Current Complaint File
Legal & Finance

Customer Loyalty

Survey Question: If you needed this product or service in the future, would you use this company again?
Chart.
95%
n = 200

Diamond Certified Qualification

Based on 200 customer surveys, we declare
William Gotelli Plumbing, Inc.
has passed all rating steps and has earned
The Diamond Certified Award
No. 914
Continuously qualified since June 2006.
David Pak
Director of Ratings Research
American Ratings Corporation

Verbatim Survey Responses From Only Verified Customers

"They were on time and friendly."

–Alegra G.

"They came promptly and fixed the problem."

–Andrew R.
See all survey responses
Research conducted by American Ratings Corporation. Ratings Methodology

Company Capabilities Table

William Gotelli Plumbing, Inc.
http://www.gotelliplumbing.com/
(415) 457-1145
(415) 456-1744 fax
Mon - Fri: 8am - 4pm
Serving Marin, Sonoma, San Francisco & Alameda Counties
25
254603
Liability Insurance, Worker's Compensation
Laura Lee Pokovich, President
Frank Gonterman, Vice President