Smart Plumbers, Inc.

Diamond Certified Company Report
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Smart Plumbers, Inc.
574 SURVEYS
20 CONSECUTIVE YEARS
SINCE DECEMBER 2005
CERT 789

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574
Verified Customers
Surveyed
Customer Loyalty
Customer Satisfaction
Helpful Expertise

Company Credentials

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

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  • Survey Responses (reviews)
  • Diamond Certified Video Player
  • Researched Articles & Profile
  • Capabilities
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  • Expert Contributor Advice & Tips
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Diamond Certified Company Report SUMMARY UPDATE November 2025

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Smart Plumbers, Inc.

Rated Highest in Quality and Helpful Expertise for 20 Consecutive Years.

Quick Summary

  • Diamond Certified since 2005
  • Provides plumbing installation and repair services for residential, commercial and industrial clients in Santa Clara and San Mateo Counties
  • Offers free estimates
  • Available 24/7 to handle plumbing emergencies

Top News Updated

COMPANY MILESTONES

Smart Plumbers, Inc. is celebrating its 23rd anniversary in 2025.

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Top Survey Responses

From a recent Diamond Certified Survey Response: “I like their service. They do things the right way and don’t take shortcuts. You don’t have to tell them to remove their shoes and clean up afterward. I’ve recommended them to many people.”

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From a recent Diamond Certified Survey Response: “They’re reliable and they stand by their work. They’re also quick to respond—whether it’s the weekend or a holiday, they always pick up [the phone] and come out in a timely manner. If they can’t figure out what the problem is right away, they [work] until they do.”

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Blogs & Articles

Smart Plumbers, Inc. recently published a new blog on its website titled, “How Plumbing Affects Your Health: Why Proper Plumbing is Essential for a Safe Home and Community.”

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Smart Plumbers, Inc.
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Smart Plumbers, Inc.

Plumbing & Septic Install & Repair
|
San Francisco  San Mateo  Santa Clara Counties
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574 SURVEYS
20 CONSECUTIVE YEARS
SINCE DECEMBER 2005
CERT 789

Rated Highest in Quality & Helpful Expertise Performance Guaranteed

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  • Business Practices
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Diamond Certified Researched Articles on Smart Plumbers, Inc.

researched article

A look at Smart Plumbers’ fleet of service vehicles

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Smart Plumbers, Inc. is a full-service plumbing firm that serves residential, commercial, and industrial clients in Santa Clara and San Mateo Counties. The company's main focus is installing and repairing drains, faucets, toilets, gas and water lines, garbage disposals, and water heaters, but it also handles excavation projects; offers hydro jetting, trenchless pipe work and video line inspection; performs septic tank and leach field inspections and repairs; and installs wastewater treatments.

When owner Jin Lee decided to enter the plumbing industry, he conducted exhaustive research on plumbing problems and their solutions, the industry's code requirements, and the variety of available fixtures. Smart Plumbers' website, www.smartplumber.com, offers a comprehensive summary of the information Mr. Lee has gathered.

Smart Plumbers is available seven days a week and offers 24-hour emergency service. The company guarantees its drain cleaning services for 90 days, and all installations carry a one-year warranty on parts and labor.

Diamond Certified Researched Capabilities on Smart Plumbers, Inc.

Service Area

serving area
Santa Clara County
San Mateo County
Serving Santa Clara and San Mateo Counties, Including San Jose, Sunnyvale, Mountain View, Daly City, Redwood City and San Bruno

Main Services

Plumbing
  • Commercial Plumbing
  • Drain Cleaning
  • Emergency Plumber
  • Gas Pipe Repair
  • Leak Detection
  • Plumbing Services
  • Sewer Pipe
  • Toilet Repair
  • Water Heater Installation
  • Water Heater Repair
  • Water Heater Replacement
  • Water Lines
Septic Install & Repair
  • Drain Field Repair
  • Drain Field Replacement
  • Septic Inspection
  • Septic Repair
  • Septic Tank Cleaning
  • Septic Tank Installation
  • Septic Tank Lid Replacement
  • Septic Tank Pumping
  • Septic Tank Servicing

Additional Services

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Company Info

Hours
Mon
12:00 am - 11:59 pm
Tue
12:00 am - 11:59 pm
Wed
12:00 am - 11:59 pm
Thu
12:00 am - 11:59 pm
Fri
12:00 am - 11:59 pm
Sat
12:00 am - 11:59 pm
Sun
12:00 am - 11:59 pm
Closed
Contact
Smart Plumbers, Inc.

Capabilities Table

Company Name
Smart Plumbers, Inc.
Managers
Jay Kim, Manager
License
980701
Founded
2002
Payment Accepted
american express,
discover,
mastercard,
visa

Key Factors

Select Photos From Smart Plumbers, Inc.

1 of 12 Diagram of a house and plumbing system with labeled 1st and 2nd clean outs and manhole, highlighting pipe connections.
You can determine if your main sewer line is clogged by checking the "clean out" in front of your house.
Picture of You can determine if your main sewer line is clogged by checking the "clean out" in front of your house. - Smart Plumbers, Inc.
Picture of The air gap connection between a dishwasher and a garbage disposal - Smart Plumbers, Inc.
Picture of Grease inside a sewer pipe will make the pipe corrode and leak. - Smart Plumbers, Inc.
Picture of A sewer pipe clogged by roots - Smart Plumbers, Inc.
Picture of Smart Plumbers recently repaired this drain. - Smart Plumbers, Inc.
Picture of The most common reason for faucet leaks is a loose connection between the spray head and flexible line. - Smart Plumbers, Inc.

Diamond Certified Expert Contributor Advice & Tips

Jin Lee is a veteran of the plumbing industry and owner of Smart Plumbers, Inc., a Diamond Certified company since 2005. He can be reached at (408) 247-2288 or by email.

Jin Lee is a veteran of the plumbing industry and owner of Smart Plumbers, Inc., a Diamond Certified company since 2005. He can be reached at (408) 247-2288 or by email.

Jin Lee: Plumbing Smarts

By James Florence, Diamond Certified Resource Reporter

SANTA CLARA — Jin Lee has always possessed a mechanical mind, so it only made sense for him to enter a field where he could utilize its full potential. “As a child, I was fascinated with how things worked and was always taking things apart and putting them back together,” he remembers. “Not surprisingly, plumbing was something that really interested me. Later, while working in furniture manufacturing, I did plumbing on the side as a hobby....

Read Full Article - Jin Lee: Plumbing Smarts

Smart Plumbers, Inc. Website and External Feeds

Website

Smart Plumbers, Inc. Ratings and Survey Responses (reviews)

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Smart Plumbers, Inc.
574 SURVEYS
  • 4.6
  • star image
  • star image
  • star image
  • star image
  • star image
20 CONSECUTIVE YEARS
SINCE DECEMBER 2005
CERT 789

Diamond Certified Ratings Dashboard

Customer Satisfaction

Customer Loyalty

Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance
Smart Plumbers, Inc.

Based in Santa Clara, CA

4.6 avg. star score from 574 Verified Customer Phone Survey Responses

(Reviews: Scroll down to read them.)

Our surveys of only verified real customers produce the country’s most accurate ratings of local companies. Smart Plumbers, Inc. scored Highest in Quality and Helpful Expertise and passed the credential-based checks to earn Diamond Certified.

A Star Equivalent Score is calculated for each verified customer rating by weighting the 1–10 Quality score, the YES/NO Loyalty (intent to return) score and the YES/NO Helpful Expertise score. If Helpful Expertise wasn’t surveyed or didn’t apply, it’s simply not shown.