Skip to main content
Permit rules
Rockville, MD · Deck cost · 2026

How much does a deck cost in Rockville, MD?

Wood or composite deck with railings and stairs. Priced against Maryland material costs, a typical DIY deck in Rockville runs about $3,524 in materials — 8% above the national average. These are estimates only, not a quote — enter your real dimensions in the free calculator for a shopping list matched to your build.

Estimates only — not a quote.

Rockville cost breakdown

EstimateLowTypicalHigh
Rockville (DIY materials)$2,995$3,524$4,757
National average$2,774$3,263$4,405

Priced from the Maryland material index — 8% above the national average. Based on a common-size deck; enter your own dimensions for an exact number.

DIY vs. hiring a pro in Rockville

DIY materials estimate: $3,524. A contractor in the Rockville market (materials plus about 81 labor hours at ~$63/hr) estimates to $8,373–$11,227. Estimated DIY savings: $5,991 (63%).

Permits in Rockville

A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 30 in frost depth.

Outside city limits, Montgomery County is typically the permitting authority.

Free planner

Get your exact Rockville price

The planner opens pre-filled with the same typical deck behind the numbers above — change any answer to match your build and the price updates instantly.

Start planning — pre-filled

Frequently asked questions

How much does a deck cost in Rockville, MD?

Materials typically run $2,995–$4,757 for a common-size project using Rockville-area pricing. That is an estimate, not a quote — our free calculator prices your exact dimensions.

Is it cheaper to DIY or hire a contractor in Rockville?

DIY materials estimate to about $3,524. A local contractor estimates to $8,373–$11,227 at the Rockville-area labor rate of roughly $63/hr, so DIY could save an estimated $5,991 (63%).

Do I need a permit for a deck in Rockville?

A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 30 in frost depth. Montgomery County and the City of Rockville rules can be stricter than the state baseline — run the free permit lookup for your ZIP before buying materials.

Why is Rockville deck pricing different from the national average?

We apply a regional material cost index for the Rockville market — currently 8% higher than the national average. Labor is indexed separately at about $63/hr for the contractor comparison.

Other projects in Rockville

Deck cost in nearby cities

Looking at the whole state? Deck cost in Maryland.