SAM REGISTERED NYS DOL LICENSED SERVING MARCELLUS & ONONDAGA COUNTY
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Self-Performed NYS DOL Licensed Serving Onondaga County

Septic Systems in Marcellus, NY

New installs, tank replacements, leach field work, perc tests. NYSDOH 75-A compliant. Serving Marcellus and Onondaga County.

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Serving MARCELLUS · ONONDAGA COUNTY · Central New York
Septic Work in Marcellus typically runs
$1,500
to
$28,000
Real range based on scope, site conditions, and access. Written fixed-price quote on every job.
$1,500
Start From
5.0★
117 Reviews
48hr
Quote Turnaround
100%
Self-Performed
What You Need to Know

Pricing. Process. Everything.

Click through to see what a Backwell septic systems job in Marcellus includes.

$1.5K-$6K
Tank repairs, risers, distribution box
$8K-$15K
Tank-only replacement
$8K-$15K
Conventional or chamber install
$22K-$28K
Engineered mound, high water table
Perc test and site eval
NYSDOH 75-A compliant design
County permit handling
Tank install or replacement
Drain field install or repair
Distribution box work
As-built drawing
Inspection coordination

From signed contract to mobilization is typically 2-5 weeks depending on permits. Active equipment time on your property runs days to weeks based on scope. We share a clear schedule with the written estimate.

NYS DOL Public Work registered, OSHA 30, NYSDEC SWPPP compliant, EPA Lead-Safe Certified, SAM Federal Contractor (CAGE 16AD7). GL and WC certificates available on request.

Yes. We pull town, county, and state permits as the scope requires. You sign one document, we chase every approval and inspection.

Yes. Free on-site walk and written fixed-price estimate. No obligation. We do not work on hourly or cost-plus for residential work - you get a number you can plan against.

Local Knowledge

Why Marcellus chooses Backwell.

Local crew, local soil, local permit office.

The Marcellus Reality

Working in Marcellus and the rest of Onondaga County means handling the local permit office, soil conditions, and infrastructure. We've worked here for years and know the playbook.

Service Area

Marcellus, Onondaga County, and surrounding Central New York. Free estimates throughout the region. Onondaga, Oswego, Madison, Oneida, Cayuga, Cortland, Wayne, Jefferson counties.

Also Serving

Across CNY.

Geography & Site Conditions in Marcellus, NY (Onondaga County)

Marcellus occupies the Ninemile Creek valley in southwestern Onondaga County, where the creek drops off the Appalachian Plateau toward the Onondaga lowland through a deeply cut gorge. Upland soils are predominantly Honeoye silt loam and Mardin channery silt loam, with Lordstown channery silt loam on the steeper plateau slopes and Palmyra gravelly loam on the outwash benches along the creek.

Ninemile Creek drains north into Onondaga Lake, and its downstream remediation work imposes additional permitting and monitoring requirements on earthwork that affects the creek corridor. Commercial site work in Marcellus regularly involves shallow shale and siltstone bedrock on the plateau-edge parcels, steep-cut stabilization along the gorge walls, and fragipan-driven perched water on the higher silt loam uplands. Stormwater permitting ties into the Onondaga Lake watershed. Frost depth and slope stability both push detail on pavement, utility, and culvert work in and around the village. Projects in the creek corridor routinely require coordination with the Ninemile Creek remediation program. Subsurface investigation is commonly required before grading plans are finalized on plateau-edge parcels.

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