
Excavation Services
demolition, driveways, excavation, foundations, paving prep, retaining walls
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Septic Systems in Connecticut
Conventional, chamber, mound and aerobic systems installed to the approved design, with the health department inspection before backfill.
Project guide
Septic contractors install and replace the tank, distribution box and drain field that treat wastewater on properties without sewer. Nothing goes in the ground until a soil evaluation or percolation test has been done and the county or state health department has approved a system design; the installer builds to that design and the inspector looks at the open trenches before they are covered. Conventional gravel-and-pipe drain fields are the least expensive where soil drains well, but heavy clay, high water tables and small lots push jobs toward chambers, sand mounds, drip dispersal or an aerobic treatment unit, each with a different price and maintenance schedule. Most states license septic installers separately from general contractors, and many require a pumping and inspection record at property sale.
GradeLine lists 130 septic systems contractors that serve Connecticut.Compare their work and equipment, then confirm availability and service area before requesting a quote.
Listed businesses are based in Bethel, Coventry Lake, Danbury, Ridgefield, Oxford, Somers, though most crews travel well beyond their home city.
A conventional gravity system on well-draining soil typically runs $5,000 to $12,000 installed. Chamber and pressure-dosed systems land in the $8,000 to $18,000 range, and mound or aerobic treatment systems commonly cost $15,000 to $35,000 because of the extra fill, pumps and electrical work. The soil evaluation and design usually add $500 to $2,000 up front.
Ranges are national and approximate; regional labor rates, material prices and site conditions move them in both directions.
A conventional gravity system on well-draining soil typically runs $5,000 to $12,000 installed. Chamber and pressure-dosed systems land in the $8,000 to $18,000 range, and mound or aerobic treatment systems commonly cost $15,000 to $35,000 because of the extra fill, pumps and electrical work. The soil evaluation and design usually add $500 to $2,000 up front.
Pull together any existing septic permit or as-built drawing, the plot plan showing the well, house and property lines, the bedroom count, and any recent inspection or pumping record.
The main cost items are system type and size, which the design sets by bedroom count and the soil evaluation; depth to seasonal high water table or rock, the amount of fill or sand required, and haul distances; tank material and access, pump and alarm components, and the cost of the design, permit and inspections. A site visit helps the crew see which ones apply.
Every state requires a permit for new or replacement septic systems, issued by the county or state health department after a soil evaluation and design review. Setbacks from wells, streams and property lines are fixed by code, and the system must be inspected before the trenches are backfilled.
Directory
130 contractors found

demolition, driveways, excavation, foundations, paving prep, retaining walls
No reviews yet

Coventry Lake, CTCapitol County
demolition, erosion control, excavation, foundations, grading, hauling trucking
No reviews yet

Danbury, CTWestern Connecticut County
demolition, driveways, erosion control, excavation, foundations, grading

Ridgefield, CTFairfield County
demolition, driveways, excavation, foundations, grading, septic systems

Oxford, CT
driveways, excavation, foundations, grading, hauling trucking, septic systems

demolition, erosion control, excavation, foundations, grading, paving prep

driveways, excavation, foundations, grading, hauling trucking, retaining walls

Litchfield, CTLitchfield County
driveways, erosion control, excavation, foundations, grading, land clearing

driveways, excavation, foundations, grading, land clearing, pond water management

New Milford, CTLitchfield County
driveways, excavation, foundations, grading, land clearing, pond water management

Brookfield, CTFairfield County
excavation, foundations, grading, septic systems, site prep, trenching underground

New Britain, CTHartford County
excavation, foundations, grading, hauling trucking, land clearing, retaining walls

Windsor Locks, CTHartford County
driveways, excavation, foundations, grading, land clearing, septic systems

Meriden, CTSouth Central Connecticut County
excavation, septic systems, site prep, trenching underground

Torrington, CTLitchfield County
driveways, excavation, foundations, grading, pond water management, retaining walls
41 years in business

demolition, driveways, excavation, hauling trucking, pond water management, septic systems

Bethel, CTWestern Connecticut County
concrete flatwork, demolition, driveways, erosion control, excavation, foundations
65 years in business

East Haddam, CTMiddlesex County
excavation, grading, septic systems, site prep
40 years in business

demolition, excavation, grading, septic systems, site prep

Washington, CTLitchfield County
driveways, excavation, foundations, grading, hauling trucking, septic systems
25 years in business
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