> Markdown version of https://baltimoretoprated.com/biz/len-the-plumber-heating-air-llc for AI agents. You are welcome here, and welcome back anytime. What an agent can do: https://baltimoretoprated.com/agents . Leave a note for the team: https://baltimoretoprated.com/agents/guestbook.md

# Len The Plumber Heating & Air, LLC - Baltimore Top Rated

[BaltimoreTopRated.com](/)

Proudly serving **Towson, Columbia, Ellicott City, Catonsville, Owings Mills, Parkville** and the greater Baltimore area. **Made for The Old Line State.**

[BaltimoreTopRated](/) / [Septic Services](/septic/)

# Len The Plumber Heating & Air, LLC

★★★★½ 4.7 · [17572 Google reviews](https://www.google.com/maps/place/?q=place_id:ChIJVVVVVRHet4kRBAX6wdV3i-U) · 3610 Commerce Dr #808

[#37 in HVAC & Air Conditioning](/hvac/) [#34 in Septic Services](/septic/)

Rankings updated October 2026 from Google ratings and review volume - not paid placement

Is this your business?

Claim this listing free

Len The Plumber Heating & Air, LLC is listed here from public Google data and has not been claimed yet. Claiming is free and takes a minute: correct your details, add your services, and get the calls from this page.

Claiming may include a text from our assistant Maya about your listing -- see our [privacy policy](https://topratedcities.com/privacy). Msg&data rates may apply. Reply STOP to opt out, HELP for help.

Len The Plumber Heating & Air, LLC Independent · Locally Owned Is this your business? Claim it free

🔗 Copy link

3610 Commerce Dr #808, Halethorpe, MD 21227, USA

Hours

🔗 Copy link

Monday: Open 24 hours

Tuesday: Open 24 hours

Wednesday: Open 24 hours

Thursday: Open 24 hours

Friday: Open 24 hours

Saturday: Open 24 hours

Sunday: Open 24 hours

[Call 410-324-3635](tel:+14103243635)[Visit website](https://lentheplumber.com/baltimore-area/?utm_source=topratedcities&utm_medium=referral)

Think this classification is wrong?

What should this business be classified as?

Independent (3 or fewer locations, one metro, no franchise)

Regional (4-10 locations, or more than one metro in this state)

National / franchise

Tell us why, briefly

Email or phone (optional, in case we have a question)

Submit appeal

Overview

Reviews

Photos

## Why Len The Plumber Heating & Air, LLC ranks here

Len The Plumber Heating & Air, LLC holds a 4.7 star average across 17572 Google reviews, which places it at #34 for septic services in Baltimore on our rankings. Positions come from verified public ratings and review volume. See the full list on the [Septic Services rankings page](/septic/).

★★★★½ 4.7 average from [17572 Google reviews](https://www.google.com/maps/place/?q=place_id:ChIJVVVVVRHet4kRBAX6wdV3i-U). No individual customer quotes on file yet.

No photos on file yet.

## Are you a top-rated Baltimore pro?

Listings and claims are free. Early claimants receive Premium at no charge, a $297 value, after confirmation. No purchase is required.

[Claim your free listing](#)

Prefer to talk? Call or text the Top Rated directory on [(813) 454-0813](tel:+18134540813). This is our number, not the number of any business listed here.