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Business ProfilePlumbers in Baltimore, Maryland

Len The Plumber Heating & Air, LLC

Listed in Baltimore 16,371 reviews(410) 324-3635

Len The Plumber Heating & Air, LLC

Len The Plumber Heating & Air provides home plumbing and HVAC services in the Baltimore area. It has more than 30 years of experience serving local homeowners and offers 24/7 emergency plumbing.

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Business Highlights
  • It lists Maryland Master Plumber/Gasfitter license #8356.
  • The company provides written estimates before work begins.
  • It says there is no extra charge for evening, weekend or overtime service.
  • Financing options are available on approved credit.
  • It says its plumbers and technicians are certified and insured.

Service Area

Anne Arundel County, Baltimore City, Baltimore County, Carroll County, Cecil County, Harford County and Howard County.

Active Business Listing

Len The Plumber Heating & Air, LLC is one of 12 plumbers ProsGrade lists in Baltimore, Maryland.

Active
Public local listing
Listing details

12 services listed, including General plumbing, Emergency plumbing and Water lines. Open 24 hours, 7 days a week. 16,371 reviews.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

How Len The Plumber Heating & Air, LLC compares with the other 11 plumbers on ProsGrade in Baltimore, using public Google ratings and review counts.

  • Ranks in the top half of the 12 Baltimore plumbers on ProsGrade by Google rating and review volume.
  • Has the most Google reviews (16,371) of the 12 Baltimore plumbers on ProsGrade.

Services Covered

12 services
  • General plumbingRepair, installation and maintenance
  • Emergency plumbing24/7 emergency repairs
  • Water linesMain-line repair and replacement; interior water-supply repiping
  • Gas linesInstallation
  • Water heatersStandard gas and electric; tankless gas
  • Well servicesWell pumps; water testing and treatment
  • Drain cleaningClogs and backups
  • Sewer servicesSewer-line repair and replacement
  • Sump pumpsRepair and replacement
  • Air conditioningCentral air and ductless mini-splits
  • HeatingFurnaces, boilers and heat pumps
  • Indoor air qualityAir purification and humidity control

Reviews

What customers say

Several customers describe courteous or friendly service. One customer praised a step-by-step explanation and thorough estimate during a two-day service that resolved both plumbing issues; another said a shower/tub job was left without plumbing work after demolition. A separate customer objected to the cost and said a requested callback never came.

Customer Reviews

Peter Karis

We had a ruptured water main leaking inside our basement. We called LtP. The plumber came out a few hours later to inspect and hive us a quote. The repair work happened the next day, which was to replace some pipe, add new shutoff valves and a water pressure reducer. Everything is complete, leak free and working properly. Billy, the plumber doing the work, was very nice, respectful and honest. Everything was done professionally and in a timely manner. Excellent work.
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Samantha Chaffee

FIVE STARS! I am one tough client, I believe in transparency, our two day service resolved both plumbing issues. Len Plumbing Heating & Air sent Jamarl who arrived Monday morning and was kind enough to explain step by step how our two ruptured pipes would be fixed. He provided a thorough estimate. Tuesday a team of two arrived, cleared away the affected area, removed the damaged pipes, repaired the pipe under our deck with copper, and the bathroom a mix between copper and PVC piping, and utrap. IMPORTANT: The bath has never worked better. Not going to lie my lack of knowledge caused some complications however Lens Plumbing was able to calmly explain what was done and the purpose behind the choices. Truly grateful!
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Pipe Guerra

Our technician James Long was awesome. He helped us get water back into our new home and gave us quotes and suggestions on what we should do to prevent it from happening. Would def recommend as he was very friendly. I would recommend to everyone.
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Candace Cole

All staff were extremely courteous, the appointment was scheduled in a timely manner.. our only complaint is the cost. The plumber arrived then left for an hour to get a pipe, worked for a bit then needed to leave again this time for over an hour for a blade- the total hour and a half of work was much more expensive - I was told since I signed off on the pricing before that’s the cost - be careful that’s were they get you. All in all the problem was resolved and I learned a lesson. I asked for a call back to discuss the logistics but never rec’d one.
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Ellery Queen

Plumbing tech said Shower/tub diverted & plumbing install would take a day. I can't speak to the plumber’s skill because he didn’t do any plumbing. But he can do demolition. Put a hole in plaster & lathe hallway wall & left. I had put down a deposit & he didn’t do any plumbing. The company didn’t respond back to txt or call me until Monday October 13th txt saying they wanted to get me back on schedule to complete the work. The Tech was here on October 1st, and I haven't seen him since. A master plumber came today (10/15/2025) from another company and installed the diverter and other necessary plumbing features, he arrived at 09:45 AM and was finished at 12:45 PM, and while they were a little pricier than Len, I didn't have to deposit/pay a penny until the job was complete. I'm not even complaining, I'm just saying.
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Frequently Asked Questions

Does Len The Plumber Heating & Air offer same-day service?

It offers same-day service seven days a week.

How long does a main water-line replacement with Len The Plumber Heating & Air usually take?

Most replacements take one to two days, depending on the property and the method used.

Does Len The Plumber Heating & Air respond to HVAC emergencies?

It offers 24/7 emergency heating and air-conditioning repair.