Town report through 2026-10-13. Holliston gives us its permits as a dated report, not a live feed: the figures here cover the town’s own report up to 2026-10-13 and change only when the next report is added.
What Holliston owners actually declared on 42 recent insulation building permits in our dataset — public-record values, not quotes.
Owner-declared values from public building-permit records, residential-scale projects only (commercial and out-of-scale outliers excluded) — a benchmark, not a substitute for a contractor quote.
Exact addresses, the permit holder where the town lists one, and a sortable file — plus a free sample so you can see the quality first.
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Across 42 recent Holliston building permits that declared a value, the median insulation project value is $7,600, with a typical range of $5,000 to $11,655. These are owner-declared values from public permit records, not quotes.
Every figure is the declared project value on a real building permit filed with the Holliston building department — public records MassPermits aggregates, not estimates.