To all our valued clients,

Effective 06/15/2022 Mesner’s General Services LLC, who has been doing business as MGS Plumbing and High Rock Mechanical shall be joining together and moving forward shall be doing business as High Rock Mechanical.

John Mesner who entered the Plumbing and Heating trade in 1997 after graduating from Platt Technical High School has been offering plumbing and heating services to the greater New Haven County (and beyond) since established in 2001.

Garret Lea is also a technical high school graduate of Emmett O’Brien.

Where Garrett is an unlimited Plumbing and Piping license holder, his main focus has been on well and water quality since its establishment.

The merger of the two companies is to better serve our existing clientele by offering all plumbing and piping services consisting of, but not limited to residential/commercial/industrial Plumbing, Heating, Water Heater Repair, Water Heater Installation, Emergency Plumbing, Drain Cleaning, Well, Water quality and beyond.

For all our existing clientele, nothing has changed in the means of communication as all numbers, personal, and means of communication shall all remain the same.

What has changed (for the clientele of MGS) is the name.

All work commencing after the effective date shall be invoiced by High Rock Mechanical.

Please do not hesitate to contact us with any questions and we look forward to better servicing our existing and new clientele for all plumbing needs.


- John


Our company provides the highest quality service no matter how small the job. Whether you’re in need of home plumbing maintenance and repairs, bathroom remodeling, or a commercial plumbing contractor for your latest building project, we are here to provide you with the most dependable service available. We have a clear knowledge of the service side of the plumbing industry offering emergency 24-hour service 7 days a week. We provide professional, quality workmanship that you expect and deserve. Give us a call today and see why we’re one of the most trusted names in New Haven County!

Call (203)490-6607


Our services include:

Bathroom and Kitchen Remodeling
24-Hour Emergency Service
Water Heaters / Commercial Plumbing System
Gas Piping  /  Sewer Services
We can provide in-home/office estimates
….Call or email us today!