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Sample septic estimate

Septic tank replacement estimate example

A tank swap on a field that is assumed good. Say that assumption out loud.

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What the septic contractor typed

"replace cracked 1000 gal concrete tank w new 1000 gal, pump and dispose old, new risers and lids to grade, new inlet outlet baffles, reconnect to existing field, permit incl, rough grade"

What the customer got
Septic Pros LLC
Proposal #2474 · September 13, 2026
Prepared for Sara Ellis
Scope of work
• Replace the cracked 1,000-gallon concrete tank with a new 1,000-gallon tank.
• Pump and dispose of the old tank contents.
• New risers and lids to grade.
• New inlet and outlet baffles.
• Reconnect to the existing drain field.
• Permit included. Rough grade only.
Total
$6,400
Timeline
2 days, plus inspection
Payment
50% upfront, 50% on passed inspection
Warranty: 1 year on workmanship, manufacturer warranty on the tank · Deposit at signing: $3,200
Type your full name to accept this proposal. This is a legally binding electronic signature.
Full name
Accept and pay $3,200 deposit

Example figures for a typical septic tank replacement job. Not a quote. Every line on the estimate came from the notes above. Nothing was added.

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