15 verified septic companies across 5 cities in Kitsap County. Compare ratings, services, and request free quotes from local providers.
Kitsap County, Washington is a largely peninsular region bordered by Puget Sound on multiple sides, and its geography shapes how residential septic systems are built, maintained, and regulated. This directory lists 15 verified septic service companies operating across 5 cities and towns in the county, including Poulsbo, Port Orchard, and Olalla. Because much of Kitsap County sits outside municipal sewer service areas, a significant share of homes rely on on-site septic systems as their primary means of wastewater treatment. The area's dense tree cover, frequent rainfall, and seasonally saturated soils make routine maintenance especially important for system longevity. Kitsap County Public Health manages on-site sewage permitting and oversight, giving residents a clear local point of contact for inspections and compliance questions. Whether a property owner needs a routine pump-out or a full system evaluation, the companies listed here serve communities throughout the county.
Poulsbo, WA
⭐ 5.0 (30 reviews)
All In Septic and Excavation is a trusted septic and excavation company located in Poulsbo, Washington, serving customers throughout Kitsap and Jefferson Counties. With over 50 years of combined experience, their trained and certified technicians provide a comprehensive range of services including septic tank pumping, repairs, replacements, maintenance, screen cleanings, and electronic tank locating. The company also offers camera scoping, grease trap cleanings, and a full suite of inspection services covering routine inspections, home sale loans, and building clearances. In addition to septic work, All In Septic and Excavation handles excavation projects including grading and driveway work. They offer free phone and email estimates, along with senior and military discounts. Customers can reach their team by phone at 360-598-4800, with additional lines serving Bainbridge Island and Kingston. The office operates Monday through Friday from 7:30 am to 4:30 pm. Those in need of dependable, experienced septic and excavation services in the greater Poulsbo area are encouraged to contact All In Septic and Excavation for prompt, professional assistance.
Port Orchard, WA
⭐ 5.0 (26 reviews)
# Gettin It Done Septics — Port Orchard, Washington Gettin It Done Septics is a family-owned septic service company operating in Port Orchard, Washington, with over 30 years of industry experience. Specializing in septic system installation and repair, the company serves homeowners and builders with reliable, quality workmanship at competitive rates. Whether handling new septic system installations for residential construction projects or addressing repair needs for existing systems, Gettin It Done Septics brings expertise and honest service to every job. The company maintains a 5.0 Google rating based on 26 customer reviews, reflecting consistent customer satisfaction. Gettin It Done Septics handles projects of all sizes, from minor repairs to complete system installations, and offers free estimates for prospective clients. With three decades of hands-on experience in septic system design, installation, and maintenance, the team understands the unique septic needs of Washington homeowners and provides dependable solutions backed by quality craftsmanship.
Poulsbo, WA
⭐ 5.0 (25 reviews)
Indigo Septic Design Co. is a reputable septic services company based in Poulsbo, Washington, serving Kitsap County and the surrounding region. With more than 25 years of experience in the industry, their certified team offers a comprehensive range of septic solutions including inspection, monitoring, maintenance, remediation, repair, and system design. Whether property owners need routine upkeep or more complex remediation and design work, Indigo Septic Design Co. brings the expertise and professionalism needed to get the job done right. Their long-standing presence in the community reflects a commitment to quality service and customer satisfaction. Located at 17280 Hallman Rd NW in Poulsbo, WA, the company is easily reachable by phone at (360) 779-5233 or by email at [email protected]. For homeowners and businesses in Kitsap County looking for an experienced, well-established septic service provider with a proven track record, Indigo Septic Design Co. is a trusted local choice.
Olalla, WA
⭐ 5.0 (14 reviews)
4 Sight Septic Inc is a family-owned business with over 12 years of experience, providing high-quality septic system services in the Olalla, WA area. They are licensed and bonded, ensuring protection for their customers. The company specializes in a range of septic services, including regular septic maintenance, septic repairs, and pre-sale septic inspections for properties. They also offer drain field camera scoping, utilizing the latest technology to diagnose and prevent future septic problems. 4 Sight Septic Inc is committed to customer satisfaction, aiming to complete services usually within a business day. They emphasize their experience and competence, offering affordable prices for their comprehensive septic solutions. Customers can request service or call for more information on their offerings.
Port Orchard, WA
⭐ 5.0 (2 reviews)
Final Vision Inc. is a locally owned and operated company serving Kitsap County, WA, and surrounding areas since 2006. They specialize in land development, offering expert services in excavation, tree removal, septic installation, demolition, and dumpster services. With a commitment to quality and customer satisfaction, their experienced team handles projects of all sizes with precision and efficiency. Whether preparing land for a new build or needing comprehensive site development solutions, Final Vision Inc. is dedicated to turning clients' visions into reality. Their process includes detailed consultations, comprehensive project planning, thorough site preparation, expert construction and development, and a final quality inspection to ensure all standards are met.
Bremerton, WA
⭐ 4.8 (26 reviews)
A+ Onsite, LLC is a licensed, bonded, and insured septic service company serving Kitsap and Mason Counties, including Bremerton, Port Orchard, and Poulsbo, Washington. With over a decade of experience, the company offers a comprehensive range of septic solutions including site development, septic system design, new system installation, routine septic tank pumping, maintenance, and repair. Their certified technicians hold deep knowledge of Washington State regulations and local health jurisdictional codes for Kitsap, Mason, and Pierce Counties. A+ Onsite handles everything in-house using their own licensed crews and equipment, ensuring quality control from start to finish. The company specializes in conventional, mound, and aerobic septic system designs suited to challenging properties and difficult soil conditions. Customers work directly with the owner rather than a call center, and free consultations are available. A+ Onsite is a reliable choice for homeowners and developers seeking experienced, straightforward septic services throughout the greater Kitsap Peninsula region. They can be reached at 360-830-4765.
Port Orchard, WA
⭐ 4.8 (13 reviews)
Port Orchard, WA
⭐ 4.7 (64 reviews)
Express Septic Service is a family-run business with over 30 years of experience, proudly serving Kitsap, Pierce, and North Mason counties. They are licensed, bonded, and insured, offering comprehensive septic solutions for both commercial and residential clients. Their services include septic tank pumping, monitoring, and maintenance, ensuring the longevity of septic systems. They also specialize in drainfield maintenance, repairs, restoration, and hydrojetting. Additionally, Express Septic Service provides riser retrofitting to bring septic tank lids to the surface, simplifying access. They are certified by Kitsap, Pierce, and Mason county health departments, demonstrating their commitment to professional and reliable service. Customers can expect reasonable prices, honest hard work, and excellent service from this dedicated team.
Seabeck, WA
⭐ 4.7 (7 reviews)
Seabeck, WA
⭐ 4.6 (16 reviews)
Poulsbo, WA
⭐ 4.6 (9 reviews)
Brent Nuckols Construction Inc is a family-owned septic services company based in Poulsbo, Washington, serving Kitsap County for over 30 years. The company specializes in septic design, installation, and maintenance for residential new construction and repair projects. Their licensed septic designer, Don Greenfield, brings more than 15 years of experience designing systems tailored to each property, with a focus on efficient, economical, and environmentally sound solutions. As certified monitoring and maintenance providers for Kitsap County, Brent Nuckols Construction includes the first year of monitoring and maintenance with every installation. Beyond septic systems, the company also offers site work services including land clearing, foundation digging, utility trenching, backfill, and material delivery. With decades of hands-on experience across all phases of residential construction and land development, the team is well-positioned to coordinate seamlessly with other contractors on larger building projects. Brent Nuckols Construction is committed to delivering consistent, high-quality workmanship and attentive customer service at competitive pricing. Contact them at 360-697-3478 to request a quote.
Bremerton, WA
⭐ 4.5 (256 reviews)
Dano's Septic Service is a septic system maintenance and repair company serving the Bremerton, Washington area. With a Google rating of 4.5 stars based on 229 customer reviews, the company has established a reputation for reliable service in the local community. Dano's Septic Service handles septic tank pumping, inspections, and repairs for residential and commercial clients. The business is well-regarded by customers in the Bremerton region and maintains consistent positive feedback across multiple platforms. For septic system needs in the Bremerton area, Dano's Septic Service is available to assist homeowners and property managers with professional septic maintenance and emergency services.
Poulsbo, WA
⭐ 4.5 (2 reviews)
Olalla, WA
⭐ 4.3 (6 reviews)
Poulsbo, WA
⭐ 3.3 (18 reviews)
Nathan Cleaver & Associates is a full-service septic company operating under the Nathan Cleaver Group, which includes Nathan Cleaver Septic Design, Inc. and NCA. The group offers end-to-end septic solutions, managing every phase of a project from on-site feasibility analysis and system design to permit submittal, plan certification, quality installation, and final inspection and testing. NCA additionally specializes in land and site preparation, road construction, and excavation services. The team emphasizes honesty, affordability, and best-in-class workmanship on projects of all sizes, from minor repairs to major installations. Nathan Cleaver & Associates is committed to simplifying the septic installation process by navigating the required steps on behalf of clients and minimizing hassle throughout. Their knowledgeable service technicians handle both residential and commercial needs, ensuring thorough quality control from start to finish. Customers can expect transparent communication and competitive pricing backed by a team that understands the full scope of septic system requirements.
Kitsap County's housing stock spans a wide range of ages, from mid-twentieth-century homes on larger rural lots to newer subdivisions developed in the 1990s and 2000s. Many older properties outside of Bremerton and other incorporated areas rely on conventional gravity-fed septic systems, where effluent moves by slope from the tank to a drain field. In areas with shallower soils or higher seasonal water tables — conditions common across parts of the Kitsap Peninsula — pump-up systems and pressure-distribution designs are more prevalent. Alternative systems, including mound systems and drip-irrigation designs, appear on lots where soil percolation rates or setback requirements make conventional systems impractical. The wet Western Washington climate means drain fields can experience stress during the rainiest months, making fall inspections a practical choice for homeowners who want to identify problems before winter precipitation peaks.
In Kitsap County, on-site septic systems are regulated under Washington State's rules for on-site sewage systems, with local permitting and inspection authority delegated to Kitsap Public Health District. Homeowners or contractors must obtain a permit from the health district before installing a new system, replacing a failing one, or making significant modifications. At the point of sale, many real estate transactions in Kitsap County require a septic inspection to assess system condition, though the specific requirements can vary depending on the age and type of system. Washington State also maintains an on-site sewage program at the state level that sets minimum design and construction standards applicable across all counties. Homeowners can research applicable rules by contacting Kitsap Public Health District directly or reviewing materials through the Washington State Department of Health. Always verify current requirements with your local health department.
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