Deck Installation Cost in Germantown, MD
Based on 1,023 deck installation building permits filed in Germantown between 2015 and 2026, the typical declared project value is $9,027, with most landing between $5,000 and $15,924. These are real records from Germantown's public building-permit data, declared job values, not contractor estimates or AI guesses.
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Deck Installation values over time in Germantown
Median declared value moved from $10,400 in 2021 to $16,728 in 2026, up 61% over that span. Each year below is computed from the filings that actually cleared in Germantown.
Recent deck installation permits in Germantown
Actual filings from Germantown's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| 2026-06-12 | $25,000 | SCOPE NEW TREATED DECK WITH COMPOSITE DECKING ,VINYL RAILING, STEPS TO GRADE, AND TREATED |
| 2026-06-12 | $8,000 | Construct a new 127 sf single level deck at rear of the home using MOCO deck details.,New |
| 2026-06-09 | $22,377 | Build a single level deck apprx. 244 sq ft with (2) 4' wide landings and 16 steps with rai |
| 2026-06-04 | $29,000 | Tear off and replace the floor, railing, and steps.,Repair Existing Deck |
| 2026-06-03 | $10,723 | Remove and replace open 19'x14' deck with 2 sets of stairs. |
| 2026-05-13 | $19,600 | Construct a 14'x12' deck with stairs down to grade. Will use composite decking material, w |
| 2026-05-11 | $9,000 | Replace existing deck.,Repair Existing Deck |
| 2026-05-11 | $13,500 | ,Install a new 18'11"" wide x 14' deep deck connected to the existing deck. (See Sketch),N |
| 2026-05-07 | $23,000 | CONSTRUCT COMPOSITE DECK W/ STEPS ,New Deck |
| 2026-05-04 | $8,500 | Deck Build - approximately 8'x10' with no stairs,New Deck |
| 2026-05-01 | $6,891 | REMOVE AND REPLACE A 10.5'DX12W OPEN DECK NO STEPS 120 SQ FT. |
| 2026-04-29 | $40,300 | CONSTRUCT 568 SQ/FT COMPOSITE DECK WITH STEPS,New DeckDECK 653 CUSTOMER HAD 568 |
| 2026-04-29 | $15,000 | Construct a 12' x 14' deck with steps to grade,New Deck |
| 2026-04-28 | $20,500 | CONSTRUCT 20X18 COMPOSITE DECK NO STEPS |
| 2026-04-20 | $18,000 | NEW TREATED DECK WITH COMPOSITE DECKING AND VINYL RAIL.,New Deck |
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Add your price →How to read these numbers
A permit's declared value is the job cost the owner or contractor stated when they pulled the permit. It tracks the real cost of the work but can run a bit under what was actually paid, since it often leaves out some labor and finish costs. Treat the range as a grounded starting point. What deck installation actually costs in Germantown comes down to home size, materials, and scope.
Where this comes from
Every figure is pulled from Germantown's public building-permit records and classified by the work described. Nothing is estimated or AI-generated. How the data works. The moment a Germantown homeowner adds a real receipt, this page upgrades to show what neighbors actually paid next to these permit values.
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