We specialize in full-service cesspool conversions, designed specifically for Hawaiʻi’s properties and Department of Health (DOH) regulations. From your first site visit to final inspection and property restoration, we handle every detail so you don’t have to. No guesswork. No back-and-forth with multiple vendors. Just one experienced team guiding your project from start to finish with care, professionalism, and local expertise.
Complete Cesspool Conversion, Done the Right Way.
What We Do
We begin every project with a thorough on-site assessment to determine the most effective system type and location. We look at all the factors- lot size, topography, access, and regulatory requirements.*
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Land use and SMA screening
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Property layout & setback analysis
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Soil testing (as needed)
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DOH-compliant system recommendations
*We also assess existing site conditions, such as trees, fencing, landscaping, driveways, and utilities, so the recommended system fits your property with minimal disruption. From there, we provide clear system recommendations tailored to your needs.
Whether handled in-house or through our trusted partners, we develop a tailored plan for your property that meets all county and state requirements.
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Final system drawings for permitting & construction
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Additional drawings as necessary for site details such as landscaping, access, or utilities
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Septic or aerobic treatment unit (ATU) design
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Sewer tie-in plans (if applicable)
We manage the entire permitting process, from application to final approval. This includes sma coordination when required, building permits, and any other agency approvals needed to complete the job.
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DOH permit submission and tracking
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SMA approvals (where applicable)
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Compliance with Priority 1 deadlines
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As-built reports & Department of Health system registration
Our experienced team installs your new system efficiently and safely, with minimal disruption to your home or landscape.
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Leach field or dispersal system installation
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Sewer tie-in, when available
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Excavation & trenching
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Septic tank or ATU placement
We locate your existing cesspool (buried or visible) and ensure it’s legally decommissioned per DOH standards.
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Locating hidden cesspools
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Pumping (if necessary)
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Collapse, fill, & seal per code
We handle all final approvals and provide you with a full documentation package for your records or future resale.
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DOH and County inspection coordination
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Compliance verification
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Completion photos & permit documentation
Once work is complete, we restore your property with care and attention to detail, often leaving it better than we found it.
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Backfilling, regrading & compacting
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Rock wall, fence or gate removal & rebuild
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Driveway, landscape, & hardscape repair
You’ll have a dedicated point of contact from start to finish. We keep you informed every step of the way and manage all contractors, timelines, and logistics.
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Clear timelines & updates
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Homeowner coordination
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Inspector & subcontractor management
”Zendo and his team were professional, honest, and respectful of our property. They took care of the permits, answered every question, and left our yard looking better than before.
David K.Waimea