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How much does a sewer water cost in Marin County (94904)?

Typical sewer water in Marin County (94904)
≈ $6,200
low confidencefrom 49 filings
≈ $4,400median ≈ $6,200≈ $20,000
A reference range from comparable filed projects in public records — not a quote.
Honesty is the point. We show the full range and the sample size — a reference, never a single promised number.
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Sewer water projects filed in Marin County (94904) typically run about $6,200, with most between $4,400 and $20,000, based on 49 filings (Marin County public records, DataSF).

These are comparable filed projects in Marin County (94904) — a typical reference range, not a quote. Your project can land anywhere in the spread depending on scope, materials, and access.

Where the money goes

A typical share of a sewer water budget — an illustrative industry breakdown, not measured for this project.

What moves the price

Materials & finishes
The biggest swing — basic vs premium
Labor & crew
Local rates and how many trades are involved
Scope found on-site
Older homes surface surprises once walls open
Filing & timeline
Reviews and inspections add weeks, not just cost

Common questions

What's the typical range for a sewer water in Marin County (94904)?

Most sewer water projects in Marin County (94904) run $4,400 to $20,000, with a median around $6,200, based on 49 filings of comparable filed work (Marin County public records, DataSF).

How does Marin County (94904) compare to citywide sewer water costs?

the 94904 median ($6,200) runs about 17% above the Marin County citywide median ($5,300) for sewer water projects.

How recent is this data?

These figures reflect comparable sewer water projects filed in Marin County public records (DataSF), compiled as of 2026-06-03. They refresh as new filings are published.

What affects the cost of a sewer water?

Scope, materials, finishes, the age and condition of the home, and site access. The spread above ($4,400–$20,000) reflects that range — your project can land anywhere in it.

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