Deck Permit in Montgomery County, Maryland
By Mario Bailey Last verified 2026-06-17 · 2 official sources
Quick answer
A building permit is required for all decks supported by footings in Montgomery County regardless of height above grade. Applications must be submitted electronically through the DPS eServices system. Single-span single-level decks without roofs or hot tubs may use the county Residential Deck Details form in lieu of full construction plans. Fast Track processing is available for eligible projects.
Permit required?
Yes, a permit is required.
When a permit is usually needed
Before constructing any footing-supported deck regardless of height above grade
Permit cost and what affects it
Fees are set by the locality and are not published here. See the official fee schedule or contact the office for current amounts.
Permit costs generally depend on the project valuation, the scope of work, and the inspections required. Ask the office how the fee is calculated for your specific project.
Where to apply
Montgomery County Department of Permitting Services
- 2425 Reedie Drive 7th Floor Wheaton MD 20902
- Phone: 240-777-0311
Frequently asked questions
- Do you need a deck permit in Montgomery County?
- A building permit is required for all decks supported by footings in Montgomery County regardless of height above grade. Applications must be submitted electronically through the DPS eServices system. Single-span single-level decks without roofs or hot tubs may use the county Residential Deck Details form in lieu of full construction plans. Fast Track processing is available for eligible projects. Always confirm with the Montgomery County Department of Permitting Services before starting.
- How much does a deck permit cost in Montgomery County?
- Fees are set by Montgomery County and are not published here. See the official fee schedule for current amounts.
- How long does a deck permit take in Montgomery County?
- Processing time for a deck permit in Montgomery County varies by workload and project scope. Contact the Montgomery County Department of Permitting Services for a current estimate.
- Where do you apply for a deck permit in Montgomery County?
- You can apply through the Montgomery County permit portal or contact the Montgomery County Department of Permitting Services directly. The links are listed on this page.
Official sources
Last verified: 2026-06-17 Report an error on this page