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Budget planning guide

Septic System Installation cost in Boston, MA

A transparent starter-scope range for homeowners planning septic system installation in Boston, MA. Review the assumptions, then use the project estimator for your own scope.

Starter-scope range

$18,330–$25,870

Planning midpoint: $21,560

The planning model applies a higher regional cost factor for this market.

What the model includes

Starter scope and assumptions

Adjust quantities for your project

Septic Tank (1500 gal)

1 each × $4,480

$4,480

Drain Field & Gravel

200 linear ft × $49

$9,800

Excavation & Backfill

1 lump sum × $2,520

$2,520

Labor & Permits

40 hr × $119

$4,760

This is a budgeting example based on a defined starter scope, not a quote or a live survey of local bids. Actual pricing depends on measurements, site conditions, material choices, permits, contractor availability, and the final scope.

Local guides

Compare starter scopes by city

New York, NYLos Angeles, CAChicago, ILHouston, TXPhoenix, AZPhiladelphia, PASan Antonio, TXSan Diego, CA

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