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Dennis Diffley Drain Services (401) 737-0560


water dropDrain Cleaning


We Are the Drain Cleaning Experts...sink cleaning machine

Dennis Diffley & Sons Inc. is a leader in residential, commercial and industrial drain and sewer cleaning services with over 35 years of professional experience, serving the Rhode Island area. We are the experts you can trust. We have highly trained and experienced crews with the very latest equipment to insure that you receive a high quality drain cleaning experience .



water dropKitchen drains inevitably become clogged...

kitchen sink

as common kitchen substances such as soap, grease and food particles build up in the pipes eventually causing a blockage. Dennis Diffley & Sons Inc. technicians specialize in sewer and drain repair. Our techs are trained to handle any problem you have. We will break up any clogs and remove any residual debris, restoring your pipes to pristine condition.

If your problem is more serious than a clog, We will discuss your options with you so that you are advised all along the way.


water dropTub and Shower drains ClogsClogged Tub

Shower and tub drains clog over time as hair sticks to residue caused by soap and other culprits. We will send out a sewer and drain repair specialist to remove build up in the drainpipe as well as remove any clogs. The most common sign indicating a problem requiring service is standing water or draining too slowly. Clogs not attended to will worsen and could ultimately result in the need for a complete sewer or drain replacement.

water dropToilet Drains clog up often

ToiletToilet drains can become over loaded with waste and toilet paper. Our sewer and drain repair technicians are trained to handle your toilet backup problems easily. Our equipment can break through clogs clean the toilet lines thoroughly, restoring good drainage to your system and powerful flushes. You can have complete confidence with Dennis Diffley & Sons Inc. technicians because we are the sewer cleaning experts who can handle any problem you may have, no mater how large or small your problem may be, and because we handle both sewer cleaning and sewer construction services there is never a need to call someone else.

If your problem is more complex than drain cleaning our trained technicians can analyze your drain problem to advise you of what is wrong and what needs to be done to restore your system. Dennis Diffley & Sons Inc. has a proven reputation for honesty, integrity and fairness demonstrated by over 35 years in business. Check our Testimonial Page, the BBB or Angie's list for further recommendations.

water dropBathroom Sink Drains

bathroom sink

Bathroom Sink Drain clogs are some of the most common problems we see in the sewer cleaning business. Due to their function, sinks often become over loaded with substances such as hair, toothpaste, soap, shaving cream, facial cleansers and other products that cause grime to build up. Our trained professionals know how to get that sink unclogged quickly and easily in order to get your home or business functioning normally again.


water dropThe Main Sewer Line could be clogged...

main lineYour main sewer line may be the culprit if multiple drains are clogging at one time. The main sewer line is where all drains in the household lead to. The main sewer line runs underground from the house and connects to a city sewer line or a septic tank. Your main sewer line can become clogged from use of everyday household products draining into it. Some sewer issues are simply the result of tree roots that penetrate pipes and if not remedied will often require sewer and drain replacement.
If our technician has any indication there is a problem with the main sewer line, he can perform a video camera inspection to determine if the pipe is damaged or corroded. The technician will share the video with the homeowner and present options for sewer and drain replacement if necessary.


water dropFloor drains and outside drains floor drain

Floor drains are commonly found in driveways, basements, small bathrooms, laundry rooms, and garages. It is good to periodically test these drains to ensure there are no clogs from dirt and debris. This can help prevent flooding at inconvenient times. Check out our Preventive Maintenance Program to assist you to keeping these lines clear.

Our sewer and drain repair experts can quickly remove clogs and restore drainage. If more than one of your floor drains are simultaneously clogged, there may be a bigger problem that our sewer and drain replacement technicians can evaluate and handle for you..


water dropDown Spouts and Exterior drainage systems

Down spoutDownspout drains reroute water from the roof gutters away from your home. As gutters become full of leaves and sediment, so do the downspout drains which causes a backup. Dennis Diffley & Sons Inc. sewer and drain repair professionals can clean your downspouts and any exterior system connecting pipes to restore adequate drainage around the home. Taking action now can avoid the problems that could cause more serious basement water seepage and mold related problems that would require more extensive services in the future to remedy the situation. Give us a call at 401-737-0560 to set up an appointment for a free analysis to discuss your drainage system and how our Preventive Maintenance Program can keep you worry free.

water dropfast-serviceWe Provide Fast and Courteous Service

We are Conveniently Located for Fast Service. Our central location allows us to give prompt service to all of Rhode Island. In most cases we can be at your home or business within the hour. We know that when your drain is backed up it can impact your plans and the way your whole house or business operates. That is why we try to be as fast as we can so that you can get back to normal functioning as fast as possible. Just give us a call and we will be there before you know it!


bluedrop picWe Offer Quality Service at Affordable Ratessave_money

Our primary focus at Dennis Diffley & Sons Inc. is on providing every client with high quality and exceptional service facilitated by cutting edge technology, prompt appointments, competitive prices and outstanding customer service. Being a leader in the drain cleaning profession we seek to set an example of quality service at an affordable price. We also provide our clients with free estimates on all of our services.


bluedrop picWe Offer Preventive Maintenance Programs

preventive_maintenanceDennis Diffley & Sons Inc. offers a variety of Preventive Maintenance Programs that will keep your drains clear and flowing without interuption. We know that a backed up drain or flooding caused by an overflow can be a major disruption for you. Therefore we suggest you sign up for our preventive maintenace schedule that will help you avoid any future distruption of your activites at home or at your place of business . Just give us a call at 401-737-0560 to set up a regular scheduled maintenance of your drain lines if you have a problem line or one that has a lot of use. We will design a regular maintenance program that fits your needs.



bluedrop picDrain Cleaning Services We Provide:




Dennis Diffley & Sons Inc.

2650 Warwick Ave Warwick, R.I.







Residential |Commercial |Industrial|Municipal

Proudly Serving All Of Rhode Island since 1976



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