toDate
Seattle costs

How much does a insulation cost in Seattle?

Typical insulation in Seattle
≈ $31,300
medium confidencefrom 526 filings
≈ $17,100median ≈ $31,300≈ $60,000
A reference range from comparable filed projects in public records (Seattle Open Data) — not a quote.
Filed reference n = 526

Built from 526 comparable filed projects in Seattle public records (Seattle Open Data), compiled 2026-07-27 — a filed reference, not a measured invoice total.

Excluded before the median is computed: placeholder and nominal-value filings, filings whose figure is a fee rather than a cost, commercial work types, non-residential properties, apartment-building and high-rise work, and low-confidence category matches.

Honesty is the point. We show the full range and the sample size — a reference, never a single promised number.
Have a insulation quote? Check if it's fair →

Insulation projects filed in Seattle typically run about $31,300, with most between $17,100 and $60,000, based on 526 filings (Seattle public records, Seattle Open Data).

These are comparable filed projects in Seattle — 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 insulation 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 insulation in Seattle?

Most insulation projects in Seattle run $17,100 to $60,000, with a median around $31,300, based on 526 filings of comparable filed work (Seattle public records, Seattle Open Data).

What is the insulation figure for Seattle based on?

Built from 526 comparable filed projects in Seattle public records (Seattle Open Data), compiled 2026-07-27 — a filed reference, not a measured invoice total. Excluded before the median is computed: placeholder and nominal-value filings, filings whose figure is a fee rather than a cost, commercial work types, non-residential properties, apartment-building and high-rise work, and low-confidence category matches.

How recent is this data?

These figures reflect comparable insulation projects filed in Seattle public records (Seattle Open Data), compiled as of 2026-07-27. They refresh as new filings are published.

What affects the cost of a insulation?

Scope, materials, finishes, the age and condition of the home, and site access. The spread above ($17,100–$60,000) reflects that range — your project can land anywhere in it.

Keep up with everything happening in Seattle

toDate keeps you current on what's changing around you — projects, construction, closures, openings, safety. Join the Seattle waitlist and be first when it opens near you.

No spam. One email when we launch near you.

Already want it live? See projects near you in the app →