Home / Companies / 4M Plumbing
COMPANY PROFILE
4M Plumbing
Advertises tank and tankless water heater installation.
4M Plumbing is an independent business that advertises water heater work. It is not our employee or partner and does not receive requests from Ember & Tank. We haven’t verified its license, insurance or workmanship.
- Tank
- Tankless
- Repair
- Emergency service
- Based in
- San Antonio
- Website
- 4mplumbingservices.com ↗
- Water heater page
- Services page ↗
- Published pricing
- Special: 'Trade in your water heater and get $500 towards a new one' (restrictions apply). Source ↗
- Service areas they list
- Alamo Heights, Alamo Ranch, Castle Hills, Davis Ranch, Helotes, Heritage, Hollywood Park, Olmos Park, Rogers Ranch, Shavano Park, Sonterra, Stone Oak, Terrell Hills, Timberwood Park, Universal City, Westover Hills, Windcrest Source ↗
- Information checked
- September 29, 2026
What 4M Plumbing says about itself
- Says every water heater installation comes with a 2-year labor warranty; offers free estimates and financing Source ↗
- Installs traditional and tankless high-efficiency water heaters; cites over 37 years of plumbing experience Source ↗
- Locally owned; promises honest pricing and root-cause repairs Source ↗
The company’s own statements, not verified by Ember & Tank.
What the reviews say
Water heater replacement & service
Reviewers praised thorough diagnosis, competitive pricing, communication and clean, careful installation.
No water heater complaints found in the sources checked.
See all 3 sources and details
Selected reviews · Checked September 29, 2026. Three selected accounts: one BBB review (the same text also appears on Yelp), one Yelp review, and one Google review republished on 4M's site with no displayed date. No concerns were found, and the sample is small.
BBB customer review
Lance M. · October 15, 2025
The reviewer said they met five plumbers about replacing a Rheem tankless water heater and chose 4M's technician as the most thorough, with the best price. The same text appears on Yelp.
Yelp review
Howie N. · July 20, 2023
The reviewer said 4M replaced their water heater along with several drain and fixture repairs, and praised the technician's professionalism and cleanup.
Google review republished by 4M Plumbing (company site, Trustindex widget)
Melissa Valadez · No date displayed on page
The reviewer praised an honest technician and a smooth, quick water heater installation.
Ask before booking: Ask for the tankless or tank model, the warranty terms and the installed total in writing.
Local guides that list 4M Plumbing
Places the company says it serves on its own website. Check that it covers your address.
Before you book
- Ask for the license number and check it: Texas plumbing license lookup ↗
- Get the exact model, the heater warranty and the labor warranty in writing
- Ask who gets the permit and books the inspection
- Compare the full installed price with another written quote