About

R.W. Rosano Corp. is a family-run excavation business successfully servicing the South Shore.  We are a fully licensed and insured company and provide full-service septic and excavation business, specializing in septic system installations and maintenance, and sewer connections.  We have the expertise to perform any excavation-related project including Title 5 remediation.

We pride ourselves in our ability to do any size excavation with surgical precision with minimal disruption to the job site. Our goal is to insure the complete satisfaction of every customer, while offering knowledgeable and friendly service. 

R.W. Rosano Corp. is one of the most widely-favored names in the business in the area.   Principal owner Ross Rosano offers more than 30 years’ experience in sewer and septic construction.  Working closely along side Ross is Andrew Spath, a Mechanical Engineer with over ten years experience and Philip Spath, PE. a registered professional Engineer.  Phil is one of the most highly regarded septic system designers on the South Shore. His knowledge of Title 5 regulations and understanding of local soils and conditions has long made him the “go-to-guy” in our service area. He understands the need to balance the latest requirements with aesthetic considerations, resulting in a unique design that accomplishes both. Rounding out the firm are 10 highly-experienced and committed professionals dedicated to our mission of providing excellent work and service to our customers and community.

R.W. Rosano Corp. is the clear choice  for homeowners and businesses because we price potential jobs at competitive rates, make it a priority to return all customer phone calls in a timely fashion and listen to their needs and concerns.  

Our customer service, attention to project details and knowledge of state-of-the-art technology will always set us apart from our competition.

Just listen to what our customers have to say,

“Thanks to you and crew for the outstanding work you did for our basement waterproofing, and yard grading/seeding. Your guys were extremely professional and polite… on time and on budget. Most important the waterproofing seems 100% effective and the yard looks awesome. Thanks!” ~Ginny and Howie A., Cohasset

“What a wonderful crew that you have working for you!  You are to be congratulated.  Everyone, starting with Andy, was so helpful and pleasant and polite.  It was a pleasure having them here.” ~Judy C., Cohasset

“I wish to offer my compliments to you and your staff regarding the recent installation of my indoor grinder pump and connection to the town sewer.  I found your proposal and price quotation to be thorough and complete, identifying the scope and cost of each portion of the work.  I also found it to be the most competitive.  I selected you to perform the trenching and laying of the drain pipe, the interior plumbing and electrical hook-up.  All work was performed expeditiously in a superb, competent and professional manner.  Exterior trenching was done meticulously protecting all adjacent plants, lamp post and walkways and minimizing the disturbance of the front yard and lawn.  Your engineer, Andy Spath, was very knowledgeable and attentive to all my concerns and needs.  Many thanks for a great job”  ~Paul L., Cohasset

“We want to thank you for the outstanding job you and your crew did installing the sewer on our property.   We sincerely appreciated the skill, kindness and patience of your crew.  They answered all of our questions and worked quickly and neatly.  Our property looked just great after the sewer was installed.  We had dreaded the process of putting in the sewer but I must say it was made a much easier process by your great crew.  It was a pleasure having you all here.”
~James R., Cohasset

“Dear Ross, please know that we appreciate your professionalism, your steadfast attention and your consideration of our property.  Andrew’s work ethic is extraordinary, and the various Michael’s (and Adam!) all worked admirably.  Best Regards.”  ~Jack and Sue M., Cohasset

  • Special Offer
  • Download the Cohasset Resident Sewer Service Connection Package
  • Learn more about Title 5 at R.W. Rosano
Website Design by 383 Creative of Cohasset, Massachusetts