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Plumbing Geek

Top Pro

Licensed
Licensed
$25/on-site estimate

(waived if hired)


Appliances to hook-up

Responds in about 2 min


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About
Hi I'm Mark Etie, Owner of Plumbing Geek. I've been a licensed plumbing contractor in the Bay Area for over 30 years. Plumbing Geek serves the communities of Concord and surrounding areas. With our experienced team of plumbers you can trust that we will be able to help resolve your plumbing problem and get your plumbing up and running smoothly again. Our plumbers are honest, well-trained professionals who take pride in their work. Our core values that we operate by are: integrity, excellence in workmanship, and reliability – you can count on us. Our mission is to consistently make our customers feel they have received top value work and excellence customer service from the Plumbing Geek team.
Overview

Current Top Pro

Hired 141 times

Serves Concord, CA

Background checked

License verified

3 employees

12 years in business

Business hours

SunClosedMon8:00 am - 6:00 pm

Payment methods

This pro accepts payments via Apple Pay, Cash, Check, Credit card, PayPal, Square cash app, Venmo, and Zelle.

Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

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2025

Top Pro Icon

2024

Top Pro Icon

2023

Credentials

License verified

C36 – Plumbing Contractor

License state: CA

Background checked

Passed by Mark Etie on Feb 14, 2023.

Services offered

Project type

Hook-up appliances to existing gas lines

Supply new gas lines to home (from street)

Supply new gas lines to appliances (within home)

Supply new gas lines to appliances (outdoors)

Pipe material

Copper

Iron

Steel

PVC or CPVC

Appliances to hook-up

Stove or oven

Outdoor BBQ or grill

Water heater or boiler

Furnace

Projects and media
Projects and media
Reviews

Customers rated this pro highly for responsiveness, work quality, and professionalism.

Great 4.8

80 reviews

5

88%

4

6%

3

3%

2

2%

1

1%

This pro's rating is a combination of reviews posted by customers both on and off of Thumbtack. Thumbtack cannot verify external reviews.

Read reviews that mention:


pro avatar
Sai K.

Mar 5, 2026

Hired on Thumbtack

Hired them to install an automatic earthquake shutoff valve for my gas line. They did a good job, came on time & had good communication. They gave me quotes for other future projects as well while they were here.

Details: Other gas line installation • As recommended by professional • Other appliance • I would like to discuss with the professional • House

Gas Line Installation
pro avatar
Javier G.

Nov 10, 2025

Hired on Thumbtack

Marco was extremely customer focused. Explained every aspect of plumbing installation. Had me test every upgrade inside the house. Mark the owner quoted competitive pricing. Highly recommend Plumbing Geek for all plumbing needs including water heaters and inside faucet installation and repairs.

Details: Routine maintenance • No problem, just need maintenance • Gas tank • Garage • House

Plumbing Geek's reply
Thank you for your feedback Javier. Happy we could be of service. Please reach out if you need further assistance. Thank you, Mark.
Water Heater Repair or Maintenance
pro avatar
Liz W.

Sep 3, 2025

Hired on Thumbtack

I'm in the middle of window replacement and building inspector says we need seismic shutoff valve on our gas line in prder to pass final inspection. Plumbing geeks came in gave be a fair price...did a great job and now one less thing to worry about. Tyvm

Details: No, repair is not urgent • No, the building is not currently flooded • House

Plumbing Geek's reply
Thank you LIz! Glad we were able to help. Mark @ Plumbing Geek.
Plumbing Pipe Repair
pro avatar
Rick H.

Oct 18, 2025

Hired on Thumbtack

Details: 1 shower or bathtub • Shower • Leaking faucet or shower head • House

Plumbing Geek's reply
Shower and Bathtub Repair
pro avatar
Julian L.

4 weeks ago

Hired on Thumbtack

I showed them what was wrong and was able to fix the issue pretty quickly. Let me know what was happening to make sure I was in the loop. Would hire again for future needs.

Details: 1 shower or bathtub • Combination shower and bathtub • Townhouse

Shower and Bathtub Repair
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