Across 170 permits filed since 2025-04-29, the median is $15,000; half of projects fall between $6,750 and $26,000. Figures are permit valuations reported to building departments. National cost guides answer this question with averages from other markets; these numbers are what homeowners in Milford, CT actually reported when they pulled permits.
Recent filings
- Construct replacement rear deck, Trex composite decking// Deck size: 10' X 5'// same size & location as the existingCity of Milford · 2026-10-27$6,421
- Construct replacement deck// Deck size: 27' X 10'// same size & location as the existingCity of Milford · 2026-10-26$19,712
- Strip and remove existing shingles on home to decking: 1 layers 19.00 sq Install lifetime Architectural Shingles. Duration Color: Williamsburg Grey Current Ventilation on the house : Soffit/ Ridge . Ventilation is properly working and will City of Milford · 2026-10-23$22,000
How to read these numbers
Permit valuations are the project cost the applicant reports to the building department. They skew slightly low — nobody rounds up for the permit fee — and scope varies, so the middle-half range is the honest picture: half of all deck permits in Milford, CT came in between $6,750 and $26,000. We exclude permits under $1,000, jobs filed as whole-house construction, and counties whose building departments don't reliably report valuations.
Same project, other places
Deck in New JerseyDeck in New YorkDeck in ConnecticutDeck on Long Island