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Addition Project Costs in Plymouth, MA

Planning addition work in Plymouth? Here is what recent Plymouth homeowners actually declared on their building permits — real public-record values, not quotes.

$32,595
Median project value
$10,000–$84,500
Typical range
89
Permits analyzed

Figures are owner-declared project values from public Plymouth building-permit records — a useful benchmark, not a substitute for a contractor quote.

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FAQ

How much does addition work cost in Plymouth, MA?

Across 89 recent Plymouth building permits that declared a value, the median addition project value is $32,595, with a typical range of $10,000 to $84,500. These are owner-declared values from public permit records, not quotes.

Where does this addition cost data come from?

Every figure is the declared project value on a real building permit filed with the Plymouth building department — public records MassPermits aggregates, not estimates.