Across 75 permits filed since 2025-03-11, the median is $10,000; half of projects fall between $4,800 and $16,000. 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 Litchfield County, CT actually reported when they pulled permits.
Recent filings
- Strip shingles down to decking, inspect decking make sure its a solid nailable surface, add ice and water barrier 6 feet up from the eaves, valleys and chimney, add drip edge and rake edge all around, add 4 inch seam tape to all seams of deTown of Watertown · 2026-09-01$9,200
- replace an existing deck from 23'x35' to a smaller size 16'x23' trex deck with new piers, handrails, stairs etc.Town of Watertown · 2026-09-01$10,000
- Construct a 4' wide by approximately 15' long ADA compatible ramp that ties into the existing deck at the Watertown Senior Center. The materials utilized for the proposed ramp will match the existing deck as close as possible. The length ofTown of Watertown · 2026-08-27$124,987
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 Litchfield County, CT came in between $4,800 and $16,000. 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
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