7 verified septic companies across 3 cities in Washington County. Compare ratings, services, and request free quotes from local providers.
Washington County, Rhode Island is home to a mix of coastal communities, rural farmland, and suburban neighborhoods where private septic systems are the norm rather than the exception. This directory lists 7 verified septic companies operating across 3 cities and towns in the county, giving property owners a straightforward way to compare local providers. Much of Washington County sits along the southern Rhode Island coast, where sandy and silty soils, a relatively high seasonal water table near tidal areas, and older housing stock combine to make routine septic maintenance especially important. Communities like Charlestown, North Kingstown, and South Kingstown include a significant number of homes that rely entirely on on-site wastewater systems, and many of those systems require attention before or after the busy summer season when coastal properties see heavier use. Whether a homeowner needs a routine pump-out, a pre-sale inspection, or a full system evaluation, the companies listed here serve Washington County residents directly.
Charlestown, RI
⭐ 4.8 (10 reviews)
# Westerly Sanitation Westerly Sanitation is a family and locally owned septic service provider based in Charlestown, Rhode Island, serving Westerly and surrounding areas. With over 50 years of experience since 1970, the company specializes in comprehensive septic tank maintenance, cleaning, repair, and installation services. Their expertise extends to grease trap cleaning and preventative maintenance solutions designed to protect residential and commercial properties from system failures. The company distinguishes itself through 24/7 emergency septic services, same-day service availability, and free estimates on all work. Westerly Sanitation offers competitive pricing and manufacturer's warranty options on installations. With a 4.8-star Google rating based on customer reviews, the team combines extensive knowledge and technical expertise to evaluate individual needs and deliver prompt, efficient solutions tailored to keep septic systems operating reliably. Their commitment to quality, locally owned service makes them a trusted resource for septic emergencies and routine system maintenance throughout the Rhode Island area.
Charlestown, RI
⭐ 4.8 (4 reviews)
All-Ready Septic Service LLC provides residential septic system services in Charlestown, Rhode Island. Operating since 2008, the company specializes in septic tank pumping, septic system cleaning, and holding tank pumping for homes. Their licensed and insured professionals offer same-day estimates, free inspections, and 24-hour emergency services for issues like overflowing septic tanks. The company conducts thorough system inspections to identify and resolve problems. For holding tanks, they pr
South Kingstown, RI
⭐ 5.0 (13 reviews)
WE DIG Excavation, operating as Wilcox Excavation and Development Investment Group LLC, is a family-owned full-service excavation contractor serving Rhode Island, Massachusetts, and Connecticut. Founded in 1990 by Paul Wilcox Sr. and Byron Wilcox Sr., the company brings over three decades of experience to residential and commercial projects of all sizes. WE DIG specializes in septic system installation, including drain-field, pressurized, and alternative systems, with more than 500 systems successfully installed across Rhode Island. Their comprehensive services also include site work excavation, lot clearing, demolition, earthwork, foundations, underground utilities, drainage systems, retaining walls, driveways, and paving. The company is fully licensed and insured and is now led by second-generation contractors Paul Jr., James, and Mark Wilcox. With a large fleet of machinery and extensive experience in both residential and commercial applications, WE DIG is recognized as a leader in Rhode Island excavation, delivering quality results with a strong commitment to customer satisfaction, integrity, and sustainable construction practices.
South Kingstown, RI
⭐ 4.9 (8 reviews)
Timpson Excavating Inc is a septic service provider based in South Kingstown, Rhode Island. The company has established a strong reputation in the local community, earning a Google rating of 4.9 stars across eight customer reviews. With a focus on reliable excavation and septic solutions, Timpson Excavating Inc serves the South Kingstown area and surrounding regions. Their consistent customer satisfaction ratings reflect their commitment to quality workmanship and professional service in the septic and excavation industry.
North Kingstown, RI
⭐ 4.5 (15 reviews)
Diversified Services is a landscape materials yard serving North Kingstown, Rhode Island and the surrounding area. Established in 1987, the company supplies construction and landscaping materials to RINLA members, contractors, stonemasons, landscapers, landscape designers, landscape architects, and private homeowners. The company offers lawn stones and boulders, mulch, topsoil, and other landscape materials. Diversified Services positions itself as Rhode Island's landscape sourcing center, provi
North Kingstown, RI
⭐ 4.5 (2 reviews)
LMD Septic Repair is a septic service provider based in North Kingstown, Rhode Island, offering repair and maintenance solutions for residential septic systems. With a Google rating of 3.3 stars across multiple customer reviews, the company serves the local community with septic system expertise. LMD Septic Repair addresses common septic concerns and helps homeowners maintain proper system function. As a registered service provider in the Rhode Island area, the company is available to assist property owners with their septic repair needs and system evaluations.
Charlestown, RI
⭐ 4.3 (11 reviews)
# Sacco Enterprises Inc Sacco Enterprises Inc is a fully licensed and insured septic service company based in Charlestown, Rhode Island, with over 45 years of industry experience. Established in 1972 by Peter J. Sacco, the family-owned and operated business has become a preferred provider for septic system installation and repair throughout Rhode Island and Eastern Connecticut. The company offers comprehensive septic system services alongside excavation, grading, and full residential and commercial construction solutions. Sacco Enterprises is fully equipped to handle all stages of septic projects, from initial installation to repairs and maintenance. Their team is known for delivering cost-effective solutions while maintaining professional standards and attention to detail. With a commitment to reliable workmanship and customer service, Sacco Enterprises serves homeowners and businesses seeking experienced contractors for septic system needs and broader home construction projects in the Rhode Island and Connecticut regions.
Washington County, Rhode Island encompasses a range of property types, from densely settled suburban neighborhoods in North Kingstown to more rural and seasonal properties closer to the coastline in Charlestown. Many homes in the county were built before modern septic codes were standardized, meaning older conventional gravity-fed systems are common, though pump-to-grade and low-pressure-dose systems are also found where soil conditions or lot topography require them. Coastal and near-coastal properties face particular challenges, including shallow depth to groundwater and restrictive soil layers that can limit drain field performance. Seasonal use patterns matter as well — properties that sit vacant through winter and then receive heavy use in summer can stress systems that might otherwise function adequately under steady, year-round loads. Homeowners with older systems or properties near water bodies are generally advised to schedule inspections and pump-outs on a consistent schedule rather than waiting for signs of failure.
In Rhode Island, septic system permitting and oversight fall primarily under the jurisdiction of the Rhode Island Department of Environmental Management, which administers the state's Rules Establishing Minimum Standards Relating to Location, Design, Construction, and Maintenance of Individual Sewage Disposal Systems. Local health departments and town building offices in Washington County also play a role in the permitting and inspection process, particularly for new construction or system alterations. Rhode Island requires that septic systems be inspected at the point of sale for most residential properties, and this inspection must be conducted by a licensed inspector and reported to the appropriate authority before a transfer is finalized. Homeowners seeking to repair, replace, or expand a septic system generally need to obtain a permit before work begins. For current rules, fee schedules, and application forms, property owners should contact their local town hall or the Rhode Island Department of Environmental Management directly. Always verify current requirements with your local health department.
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